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. 07, 2021
Filed:
Aug. 22, 2016
Applicant:
Natco Pharma Limited, Hyderabad, IN;
Inventors:
Durga Prasad Konakanchi, Hyderabad, IN;
Buchappa Gongalla, Hyderabad, IN;
Dharmendher Ragidi, Hyderabad, IN;
Uma Naresh Babu Kotra, Hyderabad, IN;
Kali Satya Bhujanga Rao Adibhatla, Hyderabad, IN;
Venkaiah Chowdary Nannapaneni, Hyderabad, IN;
Assignee:
Natco Pharma Limited, Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/04 (2006.01);
U.S. Cl.
CPC ...
C07D 401/04 (2013.01);
Abstract
The present invention is related to an improved process for the preparation of Pomalidomide with higher yields and high purity. Particularly the present invention relates to form A preparation of Pomalidomide and its purification. wherein the present process doesn't involve use of dioxane solvent and avoids higher temperatures.