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:
Jul. 20, 2021
Filed:
Sep. 28, 2020
Crystal Pharmaceutical (Suzhou) Co., Ltd., Suzhou, CN;
Minhua Chen, Suzhou, CN;
Yanfeng Zhang, Suzhou, CN;
Xiaoting Zhai, Suzhou, CN;
Jiale Qian, Suzhou, CN;
Yuhao Chen, Suzhou, CN;
Chaohui Yang, Suzhou, CN;
Crystal Pharmaceutical (Suzhou) Co., Ltd., Suzhou, CN;
Abstract
The present disclosure relates to novel crystalline forms of ARN-509 (structure shown in formula I), processes for preparation of the novel crystalline forms, pharmaceutical composition of the novel crystalline forms, and uses of the novel crystalline forms for preparing drug products of androgen receptor antagonists and for treating prostate cancer. The crystalline forms of ARN-509 provided by the present disclosure have one or more improved properties compared with the prior art, and is of great value to the future optimization and development of drugs.