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:
Aug. 10, 1993
Filed:
Jan. 24, 1992
Applicant:
Inventors:
Azfar A Choudhury, Orangeburg, SC (US);
Abbas Kadkhodayan, Orangeburg, SC (US);
Deepak R Patil, Orangeburg, SC (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ;
U.S. Cl.
CPC ...
562401 ; 548531 ; 549 71 ; 549499 ; 558414 ; 560-9 ; 560 56 ; 560 59 ; 560 61 ; 560100 ; 560102 ; 560105 ; 560125 ; 560126 ; 560128 ; 560147 ;
Abstract
A process for the separation of a racemic mixture of certain aliphatic carboxylic acids or esters thereof is disclosed. The process comprises:
Choudhury, Azfar. (1993). Preparation of optically active aliphatic carboxylic acids (U.S. Patent No. 5235100). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5235100
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile