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:
Feb. 10, 2026
Filed:
Apr. 29, 2021
Applicant:
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang, CN;
Inventors:
Weiwei Feng, Lianyungang, CN;
Yanlong Liu, Lianyungang, CN;
Huihui Zhang, Lianyungang, CN;
Fei Liu, Lianyungang, CN;
Bin Wang, Lianyungang, CN;
Yiyan Yao, Lianyungang, CN;
Zhilin Chen, Lianyungang, CN;
Jinlei Zhu, Lianyungang, CN;
Chenghui Lu, Lianyungang, CN;
Assignee:
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Lianyungang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61P 35/02 (2006.01); C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); A61P 35/02 (2018.01); C07B 2200/13 (2013.01);
Abstract
A crystal of a trifluoromethyl/chloro disubstituted sulfonamide selective BCL-2 inhibitor, specifically related to a crystal of a compound of formula I, a preparation method therefor, and use thereof in preventing and treating diseases related to anti-apoptotic protein BCL-2, such as cancers.