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:
Apr. 21, 2020
Filed:
Feb. 01, 2017
Applicant:
Natco Pharma Limited, Hyderabad, IN;
Inventors:
Pulla Reddy Muddasani, Hyderabad, IN;
Shankar Reddy Budideti, Hyderabad, IN;
Veerababu Madalapu, Hyderabad, IN;
Anitha Gattu, Hyderabad, IN;
Bala Ankireddy Konda, Hyderabad, IN;
Venkaiah Chowdary Nannapaneni, Hyderabad, IN;
Assignee:
NATCO PHARMA LIMITED, Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/519 (2006.01); C07D 487/04 (2006.01); C07D 473/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07D 473/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to an improved process for the preparation of Ibrutinib with high purity and high yields. The present process is cost effective and feasible in large scale production also. The present process avoids the mitsunobu reagent conditions also. The present Invention also relates to a process for the preparation of Crystalline form A and Crystalline form C of Ibrutinib.