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:
Oct. 20, 2020
Filed:
Jul. 03, 2017
Dr. Reddy's Laboratories Limited, Hyderabad, IN;
Andiappan Murugan, Bangalore, IN;
Vipinkumar Shriram Kabra, Bengaluru, IN;
Chinna Saida Reddy Gade, Bengaluru, IN;
Rama Rao Gondu, Andhra Pradesh, IN;
Shravankumar Chandrashekar, Bengaluru, IN;
Krishnamoorthy Pasupathy, Bengaluru, IN;
Anandan Kalaiselvan, Bengaluru, IN;
DR. REDDY'S LABORATORIES LIMITED, Hyderabad, IN;
Abstract
The present application relates to a process for the preparation of crystalline form A of palbociclib having specific surface area more than 2 m/g comprising one-pot process for the preparation of compound of formula (IV). The present application further relates to the preparation of acid-addition salts of palbociclib and their use for the synthesis of crystalline form A of palbociclib having specific surface area more than 2 m/g.