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Process for the purification of mandelic acid N,N-diethylamide
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Document Number
US Patent 5149873
Issued Date
September 22, 1992
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Inventors
HaKansson; Christer L.
(Vikingsgatan,SE)
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Karlsson; Bengt L.
(Stenbocksgatan,SE)
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Abstract
A process for the purification of mandelic acid N,N-diethylamide, DEM, by forming a crystalline adduct of DEM with a calcium halide and water.
Patent Report
Tags:
process
purification
mandelic
acid
nndiethylamide
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Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
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Number of Claims:
9
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Owner
Rexolin Chemicals AB
(Helsingborg,SE)
Published
September 22, 1992
Application Number
07/649,401
Filed
February 1, 1991
US Classification
564/170
Int'l Classification
C07C 231/00 (20060101) C07C 231/24 (20060101) C07C 235/00 (20060101) C07C 235/34 (20060101)
Examiner
Elmore; Carolyn
Attorney/Law Firm
Baker; William L.
Lemack; Kevin S.
USPTO Field of Search
564/170
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