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:
Jun. 15, 2021
Filed:
Jan. 18, 2019
Applicant:
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Jiangsu, CN;
Inventors:
Yuanshan Yao, Shanghai, CN;
Bin Chen, Shanghai, CN;
Feng Gao, Shanghai, CN;
Yuan Chen, Shanghai, CN;
Ran Xu, Shanghai, CN;
Chengshuai Yang, Shanghai, CN;
Sheng Zhang, Shanghai, CN;
Jian Li, Shanghai, CN;
Shuhui Chen, Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 409/06 (2006.01);
U.S. Cl.
CPC ...
C07D 409/06 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed are a crystal form of an indole derivative (compound 1) and a pharmaceutical composition and preparation method thereof. The crystal form is used to prepare a drug for treating a disease related to a CRTH2 receptor.