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. 28, 1992
Filed:
Jun. 28, 1988
Applicant:
Inventors:
Mauro A Bertola, Delft, NL;
Marie J De Smet, Gouda, NL;
Arthur F Marx, Delft, NL;
Gareth T Phillips, Kent, GB;
Assignees:
Gist-Brocades N.V., Delft, NL;
Shell Internationale Research Maatschappij B.V., Den Haag, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435136 ; 435141 ; 435196 ; 435280 ; 4352521 ; 4352525 ; 435823 ; 435882 ;
Abstract
A process is provided for the preparation of ibuprofen enriched in R isomer, which comprises subjecting an ester of ibuprofen, to the action of a micro-organism or substances derived thereof, that will stereoselectively hydrolyse the ester to form ibuprofen predominantly having R configuration.