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:
Jan. 07, 2025
Filed:
Dec. 13, 2019
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang, CN;
Wenyuan Qian, Nanjing, CN;
Hongjian Wang, Nanjing, CN;
Ming Zhang, Nanjing, CN;
Fei Liu, Lianyungang, CN;
Lei Xing, Lianyungang, CN;
Zhongyuan Hu, Lianyungang, CN;
Yahui Guo, Lianyungang, CN;
Yanlong Liu, Lianyungang, CN;
Huihui Zhang, Lianyungang, CN;
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Lianyungang, CN;
Abstract
Provided is a salt of an Syk inhibitor and a crystalline form thereof, and more specifically, provided are 5-fluoro-1-methyl-3-((5-(4-(oxetan-3-yl)piperazine-1)-yl)pyridin-2-yl)amino)-6-(1H-pyrazol-3-yl)quinoline-2(1H)-ketamine hydrochloride, a crystalline form thereof, a preparation method therefor, a pharmaceutical composition thereof and a use thereof. The hydrochloride of the compound represented by formula I and the crystalline form thereof have good salt-forming properties, high stability and low hygroscopicity, have advantages in terms of physical properties, safety and metabolic stability, and have value in prepared medicines.