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:
Sep. 26, 2000
Filed:
Mar. 25, 1998
Applicant:
Inventors:
Xiu C Wang, Gurnee, IL (US);
Ashok V Bhatia, Libertyville, IL (US);
Azad Hossain, Lindenhurst, IL (US);
Timothy B Towne, Grayslake, IL (US);
Assignee:
Abbott Laboratories, Abbott Park, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
554125 ; 554126 ; 554129 ; 554148 ;
Abstract
The process of the present invention relates to a process for producing 1 3-cis retinoic acid. The process of the present invention involves reacting a Wittig salt in a solvent with a butenolide in the presence of a weak base and a Lewis acid.
Wang, Xiu. (2000). Process for producing 13-cis retinoic acid (U.S. Patent No. 6124485). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6124485
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile