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:
Jan. 30, 2018
Filed:
May. 21, 2014
Applicant:
Dr. Reddy's Laboratories Limited, Hyderabad, IN;
Inventors:
Anna Fryszkowska, Cambridge, GB;
Michael Siegfried Quirmbach, Basel, CH;
Srikanth Sarat Chandra Gorantla, Hyderabad, IN;
Sanjay Reddy Alieti, Hyderabad, IN;
Srinivas Reddy Poreddy, Nalgonda, IN;
Naresh Kumar Reddy Dinne, Mahaboob Nagsar, IN;
Upadhya Timmanna, Hyderabad, IN;
Vilas Dahanukar, Hyderabad, IN;
Assignee:
DR. REDDY'S LABORATORIES LIMITED, Hyderabad, IN;
Primary Examiner:
Int. Cl.
CPC ...
C12P 33/00 (2006.01); C12P 1/00 (2006.01); C12P 7/02 (2006.01); C12P 7/22 (2006.01); C07J 1/00 (2006.01);
U.S. Cl.
CPC ...
C07J 1/0011 (2013.01); C12P 33/00 (2013.01);
Abstract
The present application relates to a regioselective and stereoselective processes for the preparation of dehydroepi-androsterone (DHEA) and processes for its intermediates.