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Claims  |
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What is claimed is:
1. A photographic element comprising at least one alkali-permeable layer
containing a photographic light-sensitive silver halide having associated
therewith a BEND compound having the formula:
##STR34##
wherein w, x, y, z, n and m are positive integers of 1 or 2; ENuP is an
electron-accepting nucleophilic precursor group; R.sup.1 is an organic
group providing a cyclic group to which ENuP and E are attached optionally
through R.sup.2 and R.sup.3 ; R.sup.2 and R.sup.3 are bivalent organic
groups containing from 1-3 atoms in the bivalent linkage; E and Q provide
an electrophilic cleavage group where E is an electrophilic group and Q is
a bivalent group providing a monoatom linkage between E and X.sup.2 and
which can be displaced from E by the nucleophilic group provided by ENuP,
and Q is an amino group, an oxygen atom, a selenium atom or a sulfur atom;
X.sup.1 is a substituent on at least one of R.sup.1, R.sup.2 and R.sup.3,
and one of X.sup.1 or Q--X.sup.2 is a ballasting group of sufficient size
to render said compound immobile in an alkali-permeable layer of a
photographic element, and one of X.sup.1 and Q--X.sup.2 is an image
dye-providing material or a photographic reagent.
2. A photographic element according to claim 1 wherein ENuP is a nitro
group.
3. A photographic element according to claim 2 comprising an
alkali-permeable layer containing a blue-sensitive silver halide having
associated therewith a BEND compound of said formula wherein
(--Q--X.sup.2) is a diffusible yellow-dye moiety, an alkali-permeable
layer containing a green-sensitive silver halide having associated
therewith a BEND compound of said formula wherein (--Q--X.sup.2) is a
diffusible magenta-dye moiety, and an alkali-permeable layer containing a
red-sensitive silver halide having associated therewith a BEND compound of
said formula wherein (--Q-- X.sup.2) is a diffusible cyan-dye moiety.
4. A photographic element according to claim 2 wherein each of said silver
halide emulsions has associated therewith an alkali-labile electron-donor
precursor.
5. A photographic element according to claim 3 wherein each of said silver
halide emulsions has associated therewith a hydrolyzable precursor for an
electron donor which has a redox t1/2 with said BEND compound of at least
5 seconds.
6. A photographic element according to claim 3 wherein each of said silver
halide emulsions has associated therewith a substantially immobile
hydrolyzable precursor for an electron donor.
7. A photographic element according to claim 1 wherein ENuP is an oxo group
and Q is an amino group.
8. A photographic element according to claim 1 wherein E is a carbonyl
group or sulfonyl.
9. A photographic element according to claim 1 wherein R.sup.1 is an
organic group which provides a cyclic aromatic group to which ENuP and E
are attached.
10. A photographic element according to claim 1 wherein said silver halide
has associated therewith an electron donor which has a redox t1/2 of from
5 seconds to 30 minutes with said BEND.
11. A photographic element comprising a support and at least one layer
thereon containing a photographic, light-sensitive silver halide having
associated therewith a BEND compound having the formula:
##STR35##
where ENuP is an electron-accepting precursor for an hydroxylamine
nucleophilic group; A represents a group containing the atoms necessary to
form an aromatic ring with the remainder of said formula; W is an
electron-withdrawing group; R.sup.12 is a hydrogen atom, an alkyl group or
an aryl group; R.sup.3 is a bivalent organic group containing from 1-3
atoms in the bivalent linkage; m and q are positive integers of 1 or 2; p
and r are positive integers of 1 or greater with [(R.sup.12).sub.q-1 W]
being a substituent on any portion of the aromatic-ring structure of A; E
and Q provide an electrophilic cleavage group where E is an electrophilic
center and Q is a bivalent group providing a monoatom linkage between E
and X.sup.2 wherein said bivalent group can be an oxygen atom, a sulfur
atom, a selenium atom or a nitrogen atom which provides an amino group; n
is an integer of 1-3; X.sup.2, together with Q, is either an image
dye-providing material or a photographic reagent; X.sup.1 is a ballasting
group; and at least one of X.sup.1 and R.sup.12 is present in said
compound and is of a size sufficient to render said compound immobile.
12. A photographic element according to claim 11 wherein n and m are 1, Q
is an amino group, E is a carbonyl group, Q--X.sup.2 is an image
dye-providing moiety, and ENuP is a nitro group.
13. A photographic element according to claim 12 wherein n and m are 1 and
A represents a group containing the atoms necessary to form a carbocyclic
aromatic ring to which ENuP and E are attached.
14. A photographic element according to claim 11 wherein P is 2 or greater,
W is a sulfonyl group, ENuP is a nitro group, R.sup.12 is a ballasting
group and A represents a group containing the atoms necessary to form a
6-membered carbocyclic aromatic ring with the remainder of said formula.
15. A photographic element according to claim 11 comprising an
alkali-permeable layer containing a blue-sensitive silver halide having
associated therewith a BEND compound of said formula wherein
(--Q--X.sup.2) is a diffusible yellow-dye moiety, an alkali-permeable
layer containing a green-sensitive silver halide having associated
therewith a BEND compound of said formula wherein (--Q--X.sup.2) is a
diffusible magenta-dye moiety, and an alkali-permeable layer containing a
red-sensitive silver halide having associated therewith a BEND compound of
said formula wherein (--Q--X.sup.2) is a diffusible cyan-dye moiety.
16. A photographic element according to claim 15 wherein ENuP is a nitro
group and p is an integer of 3 or greater.
17. A photographic element according to claim 15 wherein each of said
silver halide emulsions has associated therewith a hydrolyzable precursor
for an electron donor which has a redox t1/2 with said BEND compound of
greater than 5 seconds.
18. A photographic element according to claim 15 wherein each of said
silver halide emulsions has associated therewith a substantially immobile
hydrolyzable precursor for an electron donor.
19. A photographic element according to claim 18 wherein each --Q--X.sup.2)
is an azo dye and each of n and m is 1.
20. A photographic element according to claim 11 wherein each of said
silver halide emulsions has associated therewith a hydrolyzable
electron-donor precursor.
21. A photographic element comprising a support having thereon at least one
layer containing a photographic, light-sensitive silver halide having
associated therewith a BEND compound having the formula:
##STR36##
wherein ENuP is an electron-accepting nucleophilic precursor for an
hydroxy nucleophilic group; E is carbonyl or thiocarbonyl; Q is a bivalent
group providing a monoatom linkage between E and R.sup.9 wherein said
monoatom is a nonmetallic atom of Group VA or VIA of the periodic table in
its minus 2 or minus 3 valence state; G.sup.1 is an imido group or any of
the groups specified for ENuP; R.sup.7 is a bivalent alkylene group
containing from 1-3 atoms in the bivalent linkage; n is a positive integer
of 1 or 2; R.sup.9 can be an aromatic group containing from 6-20 carbon
atoms or an alkylene group containing 1-12 carbon atoms; R.sup.8 can be an
alkyl group containing from 1-40 carbon atoms, an aryl group containing
from 6-20 carbon atoms, or the substituent X.sup.1 ; R.sup.6, R.sup.4 and
R.sup.5 can each be monoatom groups which can be hydrogen atoms, halogen
atoms or polyatomic groups which can be alkyl groups, aryl groups,
carbonyl groups, sulfamyl groups, sulfonamido groups or the sbustituent
X.sup.1, and the substituents for R.sup.6 and R.sup.5 or R.sup.4 and
R.sup.5 when on adjacent positions on the ring may be taken together to
form a 5- or 6-membered ring with the remainder of the molecule with the
provision that, when R.sup.9 is an alkylene group, R.sup.6 and R.sup.4 are
polyatomic groups, and when G.sup.1 is a substituent defined for ENuP, an
adjacent R.sup.6 or R.sup.4 can be the group:
##STR37##
X.sup.1 is provided in at least one of the substituent positions and is a
ballasting group of sufficient size to render said compound immobile in an
alkali-permeable layer of the photographic element, or is a
photographically useful moiety which is an image dye-providing material or
a photographic reagent; X.sup.3 is a group which, together with Q and
R.sup.9, can be a ballasting group or photographically useful group as
defined for X.sup.1, provided one of X.sup.1 and --Q--R.sup.9 --X.sup.3)
is said ballasting group and one of X.sup.1 and --Q--R.sup.9 --X.sup.3) is
said photographically useful group.
22. A photographic element according to claim 21 wherein ENuP is an oxo
group.
23. A photographic element according to claim 21 wherein G.sup.1 is an oxo
group and R.sup.4 is said group:
##STR38##
and each --Q--R.sup.9 --X.sup.3) is an image dye-providing moiety.
24. A photographic element according to claim 21 wherein --Q--R.sup.9
--X.sup.3) is an image dye-providing material.
25. A photographic element according to claim 21 wherein R.sup.6, R.sup.4
and R.sup.5 are polyatomic substituents and R.sup.9 is an alkylene group.
26. A photographic element according to claim 21 wherein Q is an oxygen
atom, R.sup.9 is an aromatic group and ENuP is an oxo group.
27. A photographic element according to claim 21 comprising an
alkali-permeable layer containing a blue-sensitive silver halide having
associated therewith a BEND compound of said formula wherein --Q--R.sup.9
--X.sup.3) is a diffusible yellow-dye moiety, an alkali-permeable layer
containing a green-sensitive silver halide having associated therewith a
BEND compound of said formula wherein --Q--R.sup.9 --X.sup.3) is a
diffusible magenta-dye moiety, and an alkali-permeable layer containing a
red-sensitive silver halide having associated therewith a BEND compound of
said formula wherein --Q--R.sup.9 --X.sup.3) is a diffusible cyan-dye
moiety.
28. A photographic element according to claim 21 wherein each of said
silver halide emulsions has associated therewith a hydrolyzable
electron-donor precursor.
29. A photographic element according to claim 21 wherein each of said
silver halide emulsions has associated therewith a hydrolyzable precursor
for an electron donor which has a redox t1/2 with said BEND compound of
greater than 5 seconds.
30. A photographic element according to claim 21 wherein each of said
silver halide emulsions has associated therewith a substantially immobile
hydrolyzable precursor for an electron donor.
31. An image-transfer film unit comprising:
(a) a photographic element comprising a support having at least one
alkali-permeable layer thereon containing a photographic, light-sensitive,
silver halide composition which has associated therewith a BEND compound
having the formula:
##STR39##
where w, x, y, z, n and m are positive integers of 1 or 2; ENuP is an
electron-accepting nucleophilic precursor group; R.sup.1 is an organic
group providing a cyclic group to which ENuP and E are attached optionally
through R.sup.2 and R.sup.3 ; R.sup.2 and R.sup.3 are bivalent organic
groups containing from 1-3 atoms in the bivalent linkage; E and Q provide
an electrophilic cleavage group where E is an electrophilic group and Q is
a bivalent group providing a monoatom linkage between E and X.sup.2 and
which can be displaced from E by the nucleophilic group provided by ENuP,
and Q is an amino group, an oxygen atom or a sulfur atom; X.sup.1 is a
substituent on at least one of R.sup.1, R.sup.2 and R.sup.3, and one of
X.sup.1 or Q--X.sup.2 is a ballasting group of sufficient size to render
said compound immobile in an alkali-permeable layer of a photographic
element, and one of X.sup.1 and Q--X.sup.2 is an image dye-providing
material or a photographic reagent;
(b) an image-receiving layer;
(c) a container means containing an alkaline processing composition; and
(d) either (i) an electron donor which is a silver halide developer or (ii)
an electron donor in combination with an electron transfer agent which is
a silver halide developer.
32. A film unit according to claim 31 wherein Q--X.sup.2 is an image-dye
moiety.
33. A film unit according to claim 31 wherein R.sup.1 is a group containing
the atoms necessary to form a carbocyclic aromatic group with the
remainder of said formula, X.sup.1 is a substituent on R.sup.1 and
Q--X.sup.2 is an image dye-providing moiety.
34. A film unit according to claim 31 wherein said electron donor is a
hydrolyzable electron donor.
35. A film unit according to claim 31 which contains an electron donor
which is a benzisoxazolone compound and an electron-transfer agent which
is a 3-pyrazolidone compound.
36. A film unit according to claim 31 wherein said electron donor is
substantially immobile in the alkali-permeable layers of said film unit.
37. A film unit according to claim 31 wherein said electron donor has a
redox t1/2 of at least 5 seconds and less than 30 minutes with said BEND
compound.
38. A film unit according to claim 31 wherein said photographic element
comprises an alkali-permeable layer containing a blue-sensitive silver
halide having associated therewith a BEND compound of said formula wherein
Q--X.sup.2 is a diffusible yellow-dye moiety, an alkali-permeable layer
containing a green-sensitive silver halide having associated therewith a
BEND compound of said formula wherein said Q--X.sup.2 is a diffusible
magenta-dye moiety, and an alkali-permeable layer containing a
red-sensitive silver halide having associated therewith a BEND compound of
said formula wherein said Q--X.sup.2 is a diffusible cyan-dye moiety.
39. An image-transfer film unit comprising:
(a) A photographic element comprising a support having at least one
alkali-permeable layer thereon containing a photographic, light-sensitive
silver halide emulsion which has associated therewith a BEND compound
having the formula:
##STR40##
wherein ENuP is an electron-accepting precursor for an hydroxylamine
nucleophilic group; A represents a group containing the atoms necessary to
form an aromatic ring with the remainder of said formula; W is an
electron-withdrawing gorup; R.sup.12 is a hydrogen atom, an alkyl group or
an aryl group; R.sup.3 is a bivalent organic group containing from 1-3
atoms in the bivalent linkage; m and q are positive integers of 1 or 2; p
and r are positive integers of 1 or greater, with [(R.sup.12).sub.q-1 W]
being a substituent on any portion of the aromatic-ring structure of A; E
and Q provide an electrophilic cleavage group where E is an electrophilic
center and Q is a bivalent group providing a monoatom linkage between E
and X.sup.2 wherein said bivalent group can be an oxygen atom, a sulfur
atom, a selenium atom or a nitrogen atom which provides an amino group; n
is an integer of 1-3; X.sup.2, together with Q, is either an image
dye-providing material or a photographic reagent; X.sup.1 is a ballasting
group; and at least one of X.sup.1 and R.sup.12 is present in said
compound and is of a size sufficient to render said compound immobile;
(b) an image-receiving layer;
(c) a container means containing an alkaline processing composition; and
(d) an electron donor in combination with an electron-transfer agent which
is a silver halide developer.
40. A film unit according to claim 39 wherein n and m are 1, Q is an amino
group, E is a carbonyl group, Q--X.sub.2 is an image dye-providing moiety,
and ENuP is a nitro group.
41. A film unit according to claim 39 wherein n and m are 1 and A
represents a group containing the atoms necessary to form a carbocyclic
aromatic ring to which ENuP and E are attached.
42. A film unit according to claim 39 wherein p is 2 or greater, W is a
sulfonyl group, ENuP is a nitro group, X.sup.1 is a ballasting group and A
represents a group containing the atoms necessary to form a 6-membered
carbocyclic aromatic ring with the remainder of said formula.
43. A film unit according to claim 39 wherein said photographic element
comprises an alkali-permeable layer containing a blue-sensitive silver
halide having associated therewith a BEND compound of said formula wherein
said Q--X.sup.2 is a diffusible yellow-dye moiety, an alkali-permeable
layer containing a green-sensitive silver halide having associated
therewith a BEND compound of said formula wherein Q--X.sup.2 is a
diffusible magenta-dye moiety, and an alkali-permeable layer containing a
red-sensitive silver halide having associated therewith a BEND compound of
said formula wherein Q--X.sup.2 is a diffusible cyan-dye moiety.
44. A film unit according to claim 43 wherein each of said silver halide
emulsions has associated therewith a hydrolyzable electron-donor
precursor.
45. A film unit according to claim 43 wherein each of said silver halide
emulsions has associated therewith a hydrolyzable precursor for an
electron donor which has a redox t1/2 with said BEND compound of greater
than 5 seconds.
46. A film unit according to claim 43 wherein said electron donor has the
formula:
##STR41##
wherein A represents a group containing the atoms necessary to form a 5-
to 7-membered aromatic ring with the remainder of said formula; R.sup.10
represents a hydrogen atom or one or more organic groups containing from
1-30 carbon atoms; and R.sup.11 is an alkyl group containing from 1-30
carbon atoms or an aryl group containing from 6-30 carbon atoms.
47. An image-transfer film unit comprising:
(a) a photographic element comprising a support having at least one
alkali-permeable layer thereon containing a photographic, light-sensitive
silver halide composition which has associated therewith a BEND compound
having the formula:
##STR42##
wherein ENuP is an electron-accepting nucleophilic precursor for an
hydroxy nucleophilic group; E is carbonyl or thiocarbonyl; Q is a bivalent
group providing a monoatom linkage between E and R.sup.9 wherein said
monoatom is a nonmetallic atom of Group VA or VIA of the periodic table in
its minus 2 or minus 3 valence state; G.sup.1 is an imino group or any of
the groups specified for ENuP; R.sup.7 is a bivalent alkylene group
containing from 1-3 atoms in the bivalent linkage; n is a positive integer
of 1 or 2; R.sup.9 can be an aromatic group containing from 6-20 carbon
atoms or an alkylene group containing 1-12 carbon atoms; R.sup.8 can be an
alkyl group containing from 1-40 carbon atoms, an aryl group containing
from 6-20 carbon atoms, or the substituent X.sup.1 ; R.sup.6, R.sup.4 and
R.sup.5 can each be monoatom groups which can be hydrogen atoms, halogen
atoms or polyatomic groups which can be alkyl groups, aryl groups,
carbonyl groups, sulfamyl groups, sulfonamido groups or the substituent
X.sup.1, and the substituents for R.sup.6 and R.sup.5 or R.sup.4 and
R.sup.5 when on adjacent positions on the ring may be taken together to
form a 5- or 6-membered ring with the remainder of the molecule with the
provision that, when R.sup.9 is an alkylene group, R.sup.6 and R.sup.4 are
polyatomic groups, and when G.sup.1 is a substituent defined for ENuP, an
adjacent R.sup.6 or R.sup.4 can be the group:
##STR43##
X.sup.1 is provided in at least one of the substituent positions and is
a ballasting group of sufficient size to render said compound immobile in
an alkali-permeable layer of the photographic element, or is a
photographically useful moiety which is an image dye-providing material or
a photographic reagent; X.sup.3 is a group which, together with Q and
R.sup.9, can be a ballasting group or a photographically useful group as
defined for X.sup.1, provided one of X.sup.1 and --Q--R.sup.9 --X.sup.3)
is said ballasting group and one of X.sup.1 and --Q--R.sup.9 --X.sup.3) is
said photographically useful group;
(b) an image-receiving layer;
(c) a container means containing an alkaline processing composition; and
(d) either (i) an electron donor which is a silver halide developer or (ii)
an electron donor in combination with an electron-transfer agent which is
a silver halide developer.
48. A film unit according to claim 49 wherein --Q--R.sup.9 --X.sup.3) is an
image-dye moiety.
49. A film unit according to claim 49 wherein ENuP is an oxo group.
50. A flm unit according to claim 49 wherein G.sup.1 is an oxo group and
R.sup.4 is said group:
##STR44##
and each --Q--R.sup.9 --X.sup.3) is an image dye-providing moiety.
51. A film unit according to claim 47 wherein R.sup.6, R.sup.4 and R.sup.5
are polyatomic substituents and R.sup.9 is an alkylene group.
52. A film unit according to claim 47 wherein Q is an oxygen atom, R.sup.9
is an aromatic group and ENuP is an oxo group.
53. A film unit according to claim 47 wherein said photographic element
comprises an alkali-permeable layer containing a blue-sensitive silver
halide having associated therewith a BEND compound of said formula wherein
--Q--R.sup.9 --X.sup.3) is a diffusible yellow-dye moiety, an
alkali-permeable layer containing a green-sensitive silver halide having
associated therewith a BEND compound of said formula wherein --Q--R.sup.9
--X.sup.3) is a diffusible magenta-dye moiety, and an alkali-permeable
layer containing a red-sensitive silver halide having associated therewith
a BEND compound of said formula wherein --Q--R.sup.9 --X.sup.3) is a
diffusible cyan-dye moiety.
54. A film unit according to claim 53 wherein each of said silver halide
emulsions has associated therewith a hydrolyzable electron-donor
precursor.
55. A film unit according to claim 53 wherein each of said silver halide
emulsions has associated therewith an electron donor which is a
benzisoxazolone compound and said film unit contains an electron-transfer
agent which is a 3-pyrazolidone compound.
56. A film unit according to claim 53 wherein each of said BEND compounds
contains at least two dye moieties and ENuP and G are oxo groups.
57. An image-transfer film unit comprising:
(a) a photographic element containing a support having coated thereon, in
order:
(i) an image dye-receiving layer;
(ii) a white reflective layer;
(iii) an opaque layer having sufficient opacity, together with said
reflective layer, to preclude adverse exposure through said layers during
normal roomlight processing of the film unit; and
(iv) a layer containing a silver halide emulsion having associated
therewith a BEND compound having the formula:
##STR45##
where w, x, y, z, n and m are positive integers of 1 or 2; ENuP is an
electron-accepting nucleophilic precursor group; R.sup.1 is an organic
group providing a cyclic group to which ENuP and E are attached optionally
through R.sup.2 and R.sup.3 ; R.sup.2 and R.sup.3 are bivalent organic
groups containing from 1-3 atoms in the bivalent linkage; E and Q provide
an electrophilic cleavage group where E is an electrophilic group and Q is
a bivalent group providing a monoatom linkage between E and X.sup.2 and
which can be displaced from E by the nucleophilic group provided by ENuP,
and Q is an amino group, an oxygen atom or a sulfur atom; X.sup.1 is a
substituent on at least one of R.sup.1, R.sup.2 and R.sup.3, and one of
X.sup.1 or Q--X.sup.2 is a ballasting group of sufficient size to render
said compound immobile in an alkali-permeable layer of a photographic
element, and one of X.sup.1 and Q--X.sup.2 is an image dye-providing
material;
(b) an image dye-receiving layer;
(c) a container means containing an alkaline processing composition; and
(d) either (i) an electron donor which is a silver halide developer or (ii)
an electron donor in combination with an electron-transfer agent which is
a silver halide developer.
58. An image-transfer film unit according to claim 57 wherein said
processing composition contains an opacifying material which forms an
opaque layer which precludes adverse exposure through said layer during
normal roomlight processing when spread in a uniform layer over said
photographic element and wherein said film unit comprises a superposed
transparent cover sheet.
59. An image-transfer film unit according to claim 57 wherein said film
unit contains an electron-transfer agent in combination with an electron
donor which is a hydrolyzable electron donor.
60. An image-transfer film unit according to claim 57 wherein said
photographic element comprises an alkali-permeable layer containing a
blue-sensitive silver halide having associated therewith a BEND compound
of said formula wherein said Q--X.sup.2 is a diffusible yellow-dye moiety,
an alkali-permeable layer containing a green-sensitive silver halide
having associated therewith a BEND compound of said formula wherein said
Q--X.sup.2 is a diffusible magenta-dye moiety, and an alkali-permeable
layer containing a red-sensitive silver halide having associated therewith
a BEND compound of said formula wherein said Q--X.sup.2 is a diffusible
cyan-dye moiety.
61. An image-transfer film unit according to claim 57 which comprises said
electron donor in combination with said electron-transfer agent, wherein
said BEND compound has the formula:
##STR46##
wherein ENuP is an electron-accepting precursor for an hydroxylamine
nucleophilic group; A represents a group containing the atoms necessary to
form an aromatic ring with the remainder of said formula; W is an
electron-withdrawing group; R.sup.12 is a hydrogen atom, an alkyl group or
an aryl group; R.sup.3 is a bivalent organic group containing from 1-3
atoms in the bivalent linkage; m and q are positive integers of 1 or 2; p
and r are positive integers of 1 or greater, with [(R.sup.12).sub.q-1 W]
being a substituent on any portion of the aromatic-ring structure of A; E
and Q provide an electrophilic cleavage group where E is an electrophilic
center and Q is a bivalent group providing a monoatom linkage between E
and X.sup.2 wherein said bivalent group can be an oxygen atom, a sulfur
atom, a selenium atom or a nitrogen atom which provides an amino group; n
is an integer of 1-3; X.sup.2, together with Q, is an image dye-providing
material; X.sup.1 is a ballasting group and at least one of X.sup.1 and
R.sup.12 is present in said compound and is of a size sufficient to render
said compound immobile.
62. An image-transfer film unit according to claim 61 wherein said BEND
compound has the formula:
##STR47##
wherein Q is an amino group; Q--X.sup.2 is an image dye moiety; and
X.sup.1 is a ballasting group of sufficient size to render said BEND
immobile in the alkali-permeable layers of said film unit.
63. An image-transfer film unit according to claim 61 wherein said electron
donor has the formula:
##STR48##
wherein A represents a group containing the atoms necessary to form a
6-membered aromatic ring with the remainder of said formula; R.sup.10
represents a N-alkylcarbamoyl group containing at least 8 carbon atoms;
and R.sup.11 is an alkyl group containing from 1-30 carbon atoms.
64. An image-transfer film unit according to claim 57 wherein said BEND
compound has the formula:
##STR49##
wherein ENuP is an electron-accepting nucleophilic precursor for an
hydroxy nucleophilic group; E is carbonyl or thiocarbonyl; Q is a bivalent
group providing a monoatom linkage between E and R.sup.9 wherein said
monoatom is a nonmetallic atom of Group VA or VIA of the periodic table in
its minus 2 or minus 3 valence state; G.sup.1 is a dialkylamino group, a
sulfonamido group or any of the groups specified for ENuP; R.sup.7 is a
bivalent alkylene group containing from 1-3 atoms in the bivalent linkage;
n is a positive integer of 1 or 2; R.sup.9 can be an aromatic group
containing from 6-20 carbon atoms or an alkylene group containing 1-12
carbon atoms; R.sup.8 can be an alkyl group containing from 1-40 carbon
atoms, an aryl group containing from 6-20 carbon atoms, or the substituent
X.sup.1 ; R.sup.6, R.sup.4 and R.sup.5 can each be monoatom groups which
can be hydrogen atoms, halogen atoms or polyatomic groups which can be
alkyl groups, aryl groups, carbonyl groups, sulfamyl groups, sulfonamido
groups, or the substituent X.sup.1, and the substituents for R.sup.6 and
R.sup.5 or R.sup.4 and R.sup.5 when on adjacent positions on the ring may
be taken together to form a 5- or 6-membered ring with the remainder of
the molecule with the provision that, when R.sup.9 is an alkylene group,
R.sup.6 and R.sup.4 are polyatomic groups, and when G.sup.1 is a
substituent defined for ENuP, an adjacent R.sup.6 or R.sup.4 can be the
group:
##STR50##
X.sup.1 is provided in at least one of the substituent positions and is a
ballasting group of sufficient size to render said compound immobile in an
alkali-permeable layer of the photographic element, or is an image
dye-providing moiety; X.sup.3 is a group which, together with Q and
R.sup.9, can be a ballasting group or an image dye-providing moiety as
defined for X.sup.1, provided one of X.sup.1 and --Q--R.sup.9 --X.sup.3)
is said ballasting group and one of X.sup.1 and --Q--R.sup.9 --X.sup.3) is
said image dye-providing moiety.
65. An image-transfer film unit according to claim 64 wherein said film
unit contains an electron donor which has the formula:
##STR51##
wherein A represents a group containing the atoms necessary to form a 5-
to 6-membered aromatic ring with the remainder of said formula; R.sup.10
represents a hydrogen atom or one or more organic groups containing from
1-30 carbon atoms; R.sup.11 is an alkyl group containing from 1-30 carbon
atoms or an aryl group containing from 6-30 carbon atoms.
66. An image-transfer film unit according to claim 64 wherein said BEND
compound has the formula:
##STR52##
wherein X.sup.3, together with the group:
##STR53##
is an image-dye moiety and X.sup.1 is one or more ballast groups.
67. A process of forming an image record in an photographic element which
comprises at least one layer containing a silver halide emulsion which has
been imagewise-exposed, having associated therewith a BEND compound having
the formula:
##STR54##
wherein w, x, y, z, n and m are positive integers of 1 or 2; ENuP is an
electron-accepting nucleophilic precursor group; R.sup.1 is an organic
group providing a cyclic group to which ENuP and E are attached optionally
through R.sup.2 and R.sup.3 ; R.sup.2 and R.sup.3 are bivalent organic
groups containing from 1-3 atoms in the bivalent linkage; E and Q provide
an electrophilic cleavage group where E is an electrophilic group and Q is
a group providing a monoatom linkage between E and X.sup.2 and which can
be displaced from E by the nucleophilic group provided by ENuP, wherein
said monoatom is a nitrogen atom, an oxygen atom or a sulfur atom; X.sup.1
is a substituent on at least one of R.sup.1, R.sup.2 and R.sup.3, and one
of X.sup.1 or --Q--X.sup.2) is a ballasting group of sufficient size to
render said compound immobile in an alkali-permeable layer of a
photographic element, and one of X.sup.1 and --Q--X.sup.2) is a diffusible
image dye-providing material; said process comprising contacting said
photographic element with an alkaline processing composition in the
presence of an electron donor which is a silver halide developing agent
under conditions where the silver halide is developed as a function of
exposure and said BEND compound is reduced as an inverse function of
silver halide development, and said reduced BEND compound undergoes
intramolecular nucleophilic displacement of said diffusible image
dye-providing material with diffusion of said dye image-providing moiety
away from its original location.
68. A process according to claim 67 wherein said electron donor is an
ascorbic acid, a trihydroxypyrimidine or an hydroxylamine.
69. A process according to claim 67 wherein said photographic element
comprises an alkali-permeable layer containing a blue-sensitive silver
halide having associated therewith a BEND compound of said formula wherein
said --Q--X.sup.2) is a diffusible yellow-dye moiety, an alkali-permeable
layer containing a green-sensitive silver halide having associated
therewith a BEND compound of said formula wherein said --Q--X.sup.2) is a
diffusible magenta-dye moiety, and an alkali-permeable layer containing a
red-sensitive silver halide having associated therewith a BEND compound of
said formula wherein said --Q--X.sup.2) is a diffusible cyan-dye moiety.
70. A process according to claim 67 wherein said dye moieties are azo dye
moieties.
71. A process according to claim 67 wherein said displaced image
dye-providing moiety is washed out of said element leaving a retained
image of dye.
72. A process according to claim 67 wherein said silver halide is bleached
and fixed out of said element after said development step.
73. A process according to claim 67 wherein said BEND compound has the
formula:
##STR55##
wherein ENuP is an electron-accepting nucleophilic precursor for an
hydroxy nucleophilic group; E is carbonyl or thiocarbonyl; Q is a group
providing a monoatom linkage between E and R.sup.9 wherein said monoatom
is a nonmetallic atom of Group VA or VIA of the periodic table in its
minus 2 or minus 3 valence state; G.sup.1 is an imido group or any of the
groups specified for ENuP; R.sup.7 is a bivalent alkylene group containing
from 1-3 atoms in the bivalent linkage; n is a positive integer of 1 or 2;
R.sup.9 can be an aromatic group or an alkylene group; R.sup.8 can be an
alkyl group containing from 1-40 carbon atoms, an aryl group containing
from 6-20 carbon atoms, or the substituent X.sup.1 ; R.sup.6, R.sup.4 and
R.sup.5 can each be monoatom groups which can be hydrogen atoms, halogen
atoms or polyatomic groups which can be alkyl groups, aryl groups,
carbonyl groups, sulfamyl groups, sulfonamido groups or the substituent
X.sup.1, and the substituents for R.sup.6 and R.sup.5 or R.sup.4 and
R.sup.5 when on adjacent positions on the ring may be taken together to
form a 5- or 6-membered ring with the remainder of the molecule with the
provision that, when R.sup.9 is an alkylene group, R.sup.6 and R.sup.4 are
polyatomic groups, and when G.sup.1 is a substituent defined for ENuP, an
adjacent R.sup.6 or R.sup.4 can be the group:
##STR56##
X.sup.1 is provided in at least one of the substituent positions and is a
ballasting group of sufficient size to render said compound immobile in an
alkali-permeable layer of the photographic element, or is an image
dye-providing moiety; X.sup.3 is a group which, together with Q and
R.sup.9, can be a ballasting group or an image dye-providing moiety as
defined for X.sup.1, provided one of X.sup.1 and --Q--R.sup.9 --X.sup.3)
is said ballasting group and one of X.sup.1 and --Q--R.sup.9 --X.sup.3) is
said image dye-providing moiety.
74. An image-transfer process comprising contacting an imagewise-exposed
photographic element with an alkaline processing composition in the
presence of an electron-transfer agent which is a silver halide developer,
wherein said photographic element comprises at least one layer containing
a silver halide emulsion having associated therewith an electron donor and
a BEND compound having the formula:
##STR57##
where w, x, y, z, n and m are positive integers of 1 or 2; ENuP is an
electron-accepting nucleophilic precursor group; R.sup.1 is an organic
group providing a cyclic group to which ENuP and E are attached optionally
through R.sup.2 and R.sup.3 ; R.sup.2 and R.sup.3 are bivalent organic
groups containing from 1-3 atoms in the bivalent linkage; E and Q provide
an electrophilic cleavage group where E is an electrophilic group and Q is
a group providing a monoatom linkage between E and X.sup.2 and which can
be displaced from E by the nucleophilic group provided by ENuP, wherein
said monoatom is a nitrogen atom, an oxygen atom or a sulfur atom; X.sup.1
is a substituent on at least one of R.sup.1, R.sup.2 and R.sup.3, and one
of X.sup.1 or Q--X.sup.2 is a ballasting group of sufficient size to
render said compound immobile in an alkali-permeable layer of a
photographic element and one of X.sup.1 and Q--X.sup.2 is an image
dye-providing material; said process being carried out under conditions
where (a) said electron-transfer agent develops said silver halide as a
function of exposure to provide oxidized electron-transfer agent, (b) said
oxidized electron-transfer agent reacts with said electron donor to
destroy an imagewise pattern of electron donor, (c) the inverse pattern of
electron donor remaining transfers electrons to the BEND compound,
reducing it to provide a nucleophilic group on said BEND compound, (d)
said reduced BEND compound undergoes intramolecular nucleophilic
displacement of the diffusible image dye-providing moiety, and (e) said
diffusible image dye-providing moiety is transferred away from its
original location.
75. An image-transfer process according to claim 74 wherein said
photographic element comprises an alkali-permeable layer containing a
blue-sensitive silver halide having associated therewith a BEND compound
of said formula wherein --Q--X.sup.2) is a diffusible yellow-dye moiety,
an alkali-permeable layer containing a green-sensitive silver halide
having associated therewith a BEND compound of said formula wherein
--Q--X.sup.2) is a diffusible magenta-dye moiety, and an alkali-permeable
layer containing a red-sensitive silver halide having associated therewith
a BEND compound of said formula wherein --Q--X.sup.2) is a diffusible
cyan-dye moiety.
76. An image-transfer process according to claim 74 wherein said
electron-transfer agent is a pyrazolidone compound and said electron donor
is a hydrolyzable electron donor.
77. An image-transfer process according to claim 74 wherein said electron
donor is a compound of the formula:
##STR58##
wherein A represents a group containing the atoms necessary to form a 5-
to 6-membered aromatic ring with the remainder of said formula; R.sup.10
represents a hydrogen atom or one or more organic groups containing from
1-30 carbon atoms; and R.sup.11 is an alkyl group containing from 1-30
carbon atoms or an aryl group containing from 6-30 carbon atoms.
78. An image-transfer process according to claim 74 wherein said electron
donor is a hydrolyzable electron donor which has a redox t1/2 with said
BEND of at least 5 seconds and no more than 30 minutes.
79. An image-transfer process according to claim 74 wherein said BEND
compound has the formula:
##STR59##
wherein ENuP is a nitro group; A represents a group containing the atoms
necessary to form an aromatic ring with the remainder of said formula; W
is an electron-withdrawing group; R.sup.12 is a hydrogen atom | | |
