WikiPatents - Community Patent Review
Create Free Account  |  License or Sell Your Patent  |  WikiPatents Marketplace  |  WikiPatents Blog
Username:  Password:  
    
Advanced Search
Controlled release powder and process for its preparation    
United States Patent4952402   
Link to this pagehttp://www.wikipatents.com/4952402.html
Inventor(s)Sparks; Randall T. (Gainesville, GA); Geoghegan; Edward J. (Athlone, IE)
AbstractA controlled release powder containing discrete micro-particles for use in edible, pharmaceutical and other controlled release compositions is disclosed. The micro-particles have an average size in the range of from 0.1 to 125 .mu.m. Each of the micro-particles is in the form of a micromatrix of an active ingredient uniformly distributed in at least one non-toxic polymer. The micro-particles have a predetermined release of active ingedient when the dissolution rate thereof is measured according to the Paddle Method of U.S. Pharmacopoeia XX at 37.degree. C. and 75 r.p.m.
   














 Title Information Submit all comments and votes
 
Patent Text Patent PDF Print Page Summary File History
Plain text PDF images Print Summary File History
Inventor     Sparks; Randall T. (Gainesville, GA); Geoghegan; Edward J. (Athlone, IE)
Owner/Assignee     Elan Corporation, p.l.c. (Athlone, IE)
Patent assignment
All assignments
Publication Date     August 28, 1990
Application Number     07/169,447
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     March 17, 1988
US Classification     424/419 424/408 424/417 424/422 424/423 424/426 424/427 424/434 424/437 424/440 424/441 424/456 424/462 424/470 424/494 424/497 427/213.3 428/402.24
Int'l Classification     A61K 009/58 A61K 009/60 A61K 009/68 A61K 009/26 497
Examiner     Page; Thurman K.
Assistant Examiner    
Attorney/Law Firm     Falk; Robert Croskell; Henry Hardy,
Address
Parent Case     This application is a continuation of application Ser. No. 792,801, filed Oct. 30, 1985 abandoned.
Priority Data     Oct 30, 1984[IE]2788/84
USPTO Field of Search     424/484 424/485 424/486 424/487 424/488 424/408 424/417 424/426 424/427 424/422 424/423 424/434 424/437 424/440 424/441 424/456 424/462 424/470 424/494
Patent Tags     controlled release powder its preparation
   
Enter a comma (,) or semicolon (;) between multiple tag words/phrases.
Describe this patent:
 Amusing   
 Clever   
 Complex   
 Efficient   
 Historic   
 Important   
 Innovative   
 Interesting   
 Practical   
 Simple   
[no votes]
Patent WIKI

Share information and news about this patent, including information and news about the technology, inventors, company, ligation and licensing.

 References Submit all comments and votes
 
*references marked with an asterisk below are user-added references
 U.S. References
 
Add a new US reference:  
ReferenceRelevancyCommentsReferenceRelevancyComments
3642978



[0 after 0 votes]
3115441



[0 after 0 votes]
3341416



[0 after 0 votes]
3432593



[0 after 0 votes]
3488418



[0 after 0 votes]
3520970



[0 after 0 votes]
3539465



[0 after 0 votes]
3567650



[0 after 0 votes]
3576759



[0 after 0 votes]
3594326



[0 after 0 votes]
3594470



[0 after 0 votes]
3629392



[0 after 0 votes]
3634586



[0 after 0 votes]
3639306



[0 after 0 votes]
2928770



[0 after 0 votes]
3657144



[0 after 0 votes]
3691090



[0 after 0 votes]
3703576



[0 after 0 votes]
3714065



[0 after 0 votes]
3725556



[0 after 0 votes]
3732172



[0 after 0 votes]
3775537



[0 after 0 votes]
3780195



[0 after 0 votes]
3821422



[0 after 0 votes]
3835221



[0 after 0 votes]
3859228



[0 after 0 votes]
3860733



[0 after 0 votes]
3860733



[0 after 0 votes]
3891570



[0 after 0 votes]
3909444



[0 after 0 votes]
3922338



[0 after 0 votes]
4818542
DeLuca
424/491
Apr,1989

[0 after 0 votes]
4678516
Alderman
514/781
Jul,1987

[0 after 0 votes]
4605550
Trill
424/487
Aug,1986

[0 after 0 votes]
4590825
Vaughn
81/451
May,1986

[0 after 0 votes]
4587118
Hsiao
424/459
May,1986

[0 after 0 votes]
4489055
Couvreur
424/1.37
Dec,1984

[0 after 0 votes]
4415547
Yu
424/469
Nov,1983

[0 after 0 votes]
4389330
Tice
427/213.36
Jun,1983

[0 after 0 votes]
4384975
Fong
427/213.36
May,1983

[0 after 0 votes]
4321253
Beatty
424/495
Mar,1982

[0 after 0 votes]
4293539
Ludwig
424/489
Oct,1981

[0 after 0 votes]
4254100
Keller
424/499
Mar,1981

[0 after 0 votes]
4230687
Sair
424/485
Oct,1980

[0 after 0 votes]
4223006
Taskis
424/487
Sep,1980

[0 after 0 votes]
4221862
Naito
430/536
Sep,1980

[0 after 0 votes]
4205060
Monsimer
424/495
May,1980

[0 after 0 votes]
4182778
Hall
426/72
Jan,1980

[0 after 0 votes]
4101651
Kobayashi
424/489
Jul,1978

[0 after 0 votes]
4083949
Benedikt
424/459
Apr,1978

[0 after 0 votes]
4016254
Seager
424/497
Apr,1977

[0 after 0 votes]
3959457
Speaker
424/1.25
May,1976

[0 after 0 votes]
3954959
Pedersen
424/497
May,1976

[0 after 0 votes]
3951851
Kitajima
427/213.3
Apr,1976

[0 after 0 votes]
3943063
Morishita
427/213.36
Mar,1976

[0 after 0 votes]
3728445
Bardani
424/465
Apr,1973

[0 after 0 votes]
 Foreign References
 Other References
 Market Review Submit all comments and votes
   
Market Size
Estimate the gross annual revenues of the relevant market sector:
> $10B
$5B - $10B
$2B - $5B
$500M - $2B
$100M - $500M
$10M - $100M
$1M - $10M
$500K - $1M
$100K - $500K
< $100K
[No votes]
$0
 
$0   $2.5B   $5B   $7.5B   $10B
Market Share
Estimate the percentage of the relevant market sector this invention will capture:
75% - 100%
50% - 74.99%
25% - 49.99%
10 - 24.99%
5 - 9.99%
2 - 4.99%
1 - 1.99%
< 1%
[No votes]
0.0%
 
0%   25%   50%   75%   100%
Reasonable Royalty
What percentage of gross sales should the inventor or assignee be paid?
75% - 100%
50% - 74.99%
25% - 49.99%
10 - 24.99%
5 - 9.99%
2 - 4.99%
1 - 1.99%
< 1%
[No votes]
0.0%
 
0%   25%   50%   75%   100%
Public's "Guesstimation" of Royalty Value
Market SizeN/A[No votes]
xMarket ShareN/A[No votes]
xReasonable RoyaltyN/A[No votes]

N/A

License Availablity
If you are NOT the owner or assignee, answer here:
Yes, license is available for purchase

No, license is not currently available



[No votes]
License Availablity
If you ARE the owner or assignee, answer here:
Yes, license is available for purchase

No, license is not currently available



[No votes]
Competitive Advantage
Does this invention have a significant competitive advantage over similar technologies?
Yes

No



[No votes]
Most helpful competitive advantage comment
[No comments]

Commercial Alternatives
Are there viable commercial alternatives for this invention?
Yes

No



[No votes]
Most helpful commercial alternative comment
[No comments]