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.

Date of Patent:
Oct. 27, 2020

Filed:

Aug. 25, 2017
Applicant:

Crystal Pharmaceutical (Suzhou) Co., Ltd., Suzhou, CN;

Inventors:

Minhua Chen, Suzhou, CN;

Yanfeng Zhang, Suzhou, CN;

Kaiqiang Yan, Suzhou, CN;

Qiyue Liu, Jiangsu, CN;

Xiaoyu Zhang, Suzhou, CN;

Jiaoyang Li, Suzhou, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/12 (2006.01);
U.S. Cl.
CPC ...
C07D 403/12 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present disclosure relates to novel crystalline forms of an androgen receptor antagonist drug (ODM-201 represented by formula (I)), preparation method thereof and use thereof. The crystalline form B or the crystalline form C of ODM-201 provided by the present disclosure has low hygroscopicity, good stability, high solubility, excellent flowability, optimal particle size with uniform distribution, which provides a new choice for the preparation of drugs containing ODM-201 and is of great value for drug development.


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