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:
Dec. 30, 2025
Filed:
Jan. 19, 2021
Applicant:
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Jiangsu, CN;
Inventors:
Xiquan Zhang, Lianyungang, CN;
Ling Yang, Lianyungang, CN;
Hongjiang Xu, Lianyungang, CN;
Wei Song, Lianyungang, CN;
Xiaofang Zou, Lianyungang, CN;
Xianju Wang, Lianyungang, CN;
Assignee:
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Lianyungang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4709 (2006.01); A61K 31/42 (2006.01); A61K 31/4706 (2006.01); A61K 31/519 (2006.01); A61K 31/655 (2006.01); A61P 19/02 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4709 (2013.01); A61K 31/42 (2013.01); A61K 31/4706 (2013.01); A61K 31/519 (2013.01); A61K 31/655 (2013.01); A61P 19/02 (2018.01);
Abstract
A quinoline derivative for treating rheumatoid arthritis and a use thereof in preparing a pharmaceutical composition for treating rheumatoid arthritis. In particular, a use of the quinoline derivative 1-[[[4-(4-Fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinoline-7-yl]oxy]methyl]cyclopropanamine in treating rheumatoid arthritis.