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:
May. 21, 2002
Filed:
Apr. 25, 2000
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 1/710 ; C12P 1/04 ; C12N 1/20 ;
U.S. Cl.
CPC ...
C12P 1/710 ; C12P 1/04 ; C12N 1/20 ;
Abstract
A method for producing an optically active 1-(4-t-butylphenyl)-5-oxo-3-pyrrolidine carboxylic acid and/or an enantiomeric ester thereof which includes treating an ester of (±)-1-(4-t-butylphenyl)-5-oxo-3-pyrrolidine carboxylic acid with an esterase derived from 042-24 (FERM BP-5872).