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. 27, 2026
Filed:
Dec. 29, 2021
Applicants:
Shanghai Haiyan Pharmaceutical Technology Co., Ltd., Shanghai, CN;
Yangtze River Pharmaceutical Group Co., Ltd., Taizhou, CN;
Inventors:
Zhenya Zeng, Shanghai, CN;
Chao Kan, Shanghai, CN;
Qingfu Gao, Shanghai, CN;
Yixiao Feng, Shanghai, CN;
Bo Wu, Shanghai, CN;
Xingsong Zhang, Shanghai, CN;
Youhong MA, Shanghai, CN;
Kejun Sun, Shanghai, CN;
Assignees:
SHANGHAI HAIYAN PHARMACEUTICAL TECHNOLOGY CO., LTD., Shanghai, CN;
YANGTZE RIVER PHARMACEUTICAL GROUP CO., LTD, Taizhou, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01);
Abstract
An oxaspiro substituted pyrrolopyrazole derivative, an intermediate thereof, and a preparation method therefor.
Quick Actions:
Zeng, Zhenya. (2026). Oxaspiro substituted pyrrolopyrazole derivative, intermediate thereof, and preparation method therefor (U.S. Patent No. 12774282). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774282
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile