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:
Nov. 18, 2025
Filed:
Apr. 29, 2020
Msn Laboratories Private Limited, R&d Center, Hyderabad, IN;
Thirumalai Rajan Srinivasan, Hyderabad, IN;
Thirumalai Rajan Srinivasan, Hyderabad, IN;
Eswaraiah Sajja, Hyderabad, IN;
Satyanarayana Revu, Hyderabad, IN;
Rajeshwar Reddy Sagyam, Hyderabad, IN;
Srinivasulu Rangineni, Hyderabad, IN;
Ravichandran Srinivasan, Hyderabad, IN;
Venkata Narasayya Saladi, Hyderabad, IN;
Naveen Ragam, Hyderabad, IN;
MSN Laboratories Private Limited, R&D Center, Hyderabad, IN;
Abstract
The present invention relates to novel crystalline forms of butanedioic acid 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl) pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide of formula-la and process for preparation thereof. The present invention also relates to a process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d] pyrimidine-6-carboxamide. Further, the present application also relates to acid addition salts of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d] pyrimidine-6-carboxamide and process for the preparation thereof.