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:
Oct. 19, 2021
Filed:
Jul. 25, 2019
Applicant:
Guangzhou Ocusun Ophthalmic Biotechnology Co., Ltd., Guangdong, CN;
Inventors:
Yizhi Liu, Guangdong, CN;
Yandong Wang, Guangdong, CN;
Xiaolin Li, Shanghai, CN;
Zhi Luo, Shanghai, CN;
Haiying He, Shanghai, CN;
Jian Li, Shanghai, CN;
Shuhui Chen, Shanghai, CN;
Assignee:
GUANGZHOU OCUSUN OPHTHALMIC BIOTECHNOLOGY CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 9/00 (2006.01);
U.S. Cl.
CPC ...
C07J 9/00 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a crystal form of a compound of formula (I) and an application thereof in preparing a drug for treating an ophthalmic disease.