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:
Aug. 26, 2025
Filed:
Feb. 14, 2020
Applicant:
Cspc Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd., Hebei, CN;
Inventors:
Zhifei Fu, Shanghai, CN;
Miaorong Luo, Shanghai, CN;
Jikui Sun, Shanghai, CN;
Yang Zhang, Shanghai, CN;
Jian Li, Shanghai, CN;
Shuhui Chen, Shanghai, CN;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61K 31/53 (2006.01); A61P 35/00 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61P 35/00 (2018.01); A61K 31/53 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed are the solid form, crystalline form, crystal form A of a compound of formula (I), and a preparation method therefor, crystal form B and a preparation method therefor. Also disclosed are use of the solid form, crystalline form, crystal form A, and crystal form B in the preparation of drugs for the treatment of diseases related to FGFR.