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. 28, 1985
Filed:
Feb. 10, 1984
Applicant:
Inventor:
George C Buzby, Jr, Blue Bell, PA (US);
Assignee:
American Home Products Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548491 ;
Abstract
Described herein is a process for separating the enantiomers of (+)-2,3-dihydroindole-2-carboxylic acid, which process utilizes (+) or (-)-ephedrine as the resolving agent. The resolved acids are useful as intermediates in the preparation of angiotensin converting enzyme inhibitors.