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. 27, 2020
Filed:
Jan. 24, 2018
Applicant:
Crystal Pharmaceutical (Suzhou) Co., Ltd., Suzhou, Jiangsu, CN;
Inventors:
Minhua Chen, Suzhou, CN;
Yanfeng Zhang, Suzhou, CN;
Lie Chen, Suzhou, CN;
Chaohui Yang, Suzhou, CN;
Nan Xia, Suzhou, CN;
Xiaoyu Zhang, Suzhou, CN;
Chunxiang Huang, Suzhou, CN;
Assignee:
Crystal Pharmaceutical (Suzhou) Co., Ltd., Suzhou, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); A61P 31/16 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); A61P 31/16 (2018.01); C07B 2200/13 (2013.01);
Abstract
The present disclosure relates to novel crystalline forms of VX-787, processes for preparation thereof and use thereof. VX-787 is a viral-protein inhibitor drug. The present disclosure provides crystalline form CS1, crystalline form CS2, crystalline form CS3, and crystalline form CS4 of compound (I) hydrochloride. The present disclosure also provides crystalline form CS3 and crystalline form CS9 of compound (I).free form.