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. 01, 2022
Filed:
Mar. 30, 2018
Applicant:
Hangzhou Solipharma Co., Ltd., Zhejiang, CN;
Inventors:
Xiaohong Sheng, Zhejiang, CN;
Xiaoxia Sheng, Zhejiang, CN;
Assignee:
Hangzhou Solipharma Co., Ltd., Zhejiang, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 407/12 (2006.01); C07C 55/08 (2006.01); C07C 57/145 (2006.01); C07D 275/03 (2006.01);
U.S. Cl.
CPC ...
C07D 407/12 (2013.01); C07C 55/08 (2013.01); C07C 57/145 (2013.01); C07D 275/03 (2013.01); C07B 2200/13 (2013.01);
Abstract
Provided are a fruquintinib and a saccharin salt or eutectic crystal, a fruquintinib and a malonic acid eutectic crystal or a fruquintinib and a maleic eutectic crystal, a preparation method therefor, a pharmaceutical composition containing thereof, and uses thereof in preparing drugs for treating and/or preventing diseases related to abnormal angiogenesis, such as cancer, tumors, macular degeneration, chronic inflammation and the like.