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. 27, 2002
Filed:
Dec. 20, 1999
Applicant:
Inventors:
Mohammad Salman, Gurgaon, IN;
Vijay Kumar Kaul, New Delhi, IN;
J. Suresh Babu, Gurgaon, IN;
Naresh Kumar, Gurgaon, IN;
Assignee:
Ranbaxy Laboratories Limited, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 6/116 ;
U.S. Cl.
CPC ...
C07C 6/116 ;
Abstract
The present invention relates to a process for the preparation of 13-cis isomer of Vitamin A acid, commonly known as isotretinoin, in a single step.
Salman, Mohammad. (2002). Process for the preparation of isotretinoin (U.S. Patent No. 6441226). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6441226
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile