The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2003
Filed:
Dec. 15, 2000
Applicant:
Inventors:
Marie-Claude Bontoux, Luzinay, FR;
Olivier Favre-Bulle, Lyons, FR;
Assignee:
Rhone-Poulenc Agro, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 1/332 ;
U.S. Cl.
CPC ...
C12P 1/332 ;
Abstract
The invention concerns a method for preparing &agr;-phenylalanine ester with substantially enantiomeric purity of formulae (I) and (II) wherein Alk represents a linear or branched C -C alkyl radical, characterized in that it consists in contacting a mixture of &agr;-phenylalanine ester enantiomers with a lipase, a protease or an esterase.