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:
May. 06, 2025
Filed:
Apr. 20, 2020
Beijing Konruns Pharmaceutical Co., Ltd., Beijing, CN;
Xiaohua Sun, Beijing, CN;
Long Wang, Beijing, CN;
Hongzhen Yang, Beijing, CN;
Huaizhong Hu, Beijing, CN;
Beijing Konruns Pharmaceutical Co., Ltd., Beijing, CN;
Abstract
The present disclosure relates to the field of pharmaceutical technology, providing three crystalline forms, i.e., a crystalline form AB, a crystalline form M and a crystalline form F, of the compound 6-[[4-[2-fluoro-4-[[1-[(4-fluorophenyl)aminoformyl]cyclopropanecarbonyl]-amino]phenoxy]-6-methoxy-7-quinolyl]oxy]hexanoic acid for treatment of diseases related to protein kinases AXL and/or VEGFR2. The present disclosure also provides methods for preparing these three crystalline forms and pharmaceutical compositions comprising these three crystalline forms. The crystalline form AB, the crystalline form M and the crystalline form F of the present disclosure all have good chemical stability, and the preparation processes of the three crystalline forms of the present disclosure are simple for implementation with high product yield and purity, allowing stable and mass production that facilitates promotion and application.