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:
Mar. 04, 2025
Filed:
Apr. 03, 2020
Guangzhou Baiyunshan Pharmaceutical Holdings Co., Ltd. Baiyunshan Pharmaceutical General Factory, Guangdong, CN;
Jiansong Wang, Guangdong, CN;
Zhifei Fu, Shanghai, CN;
Zhibo Luo, Guangdong, CN;
Miaorong Luo, Shanghai, CN;
Yang Zhang, Shanghai, CN;
Yalei Cai, Shanghai, CN;
Wu Zhu, Shanghai, CN;
Jian Li, Shanghai, CN;
Shuhui Chen, Shanghai, CN;
Yingxia Bao, Guangdong, CN;
Wei Wang, Guangdong, CN;
Zhoufan Xie, Guangdong, CN;
Abstract
Disclosed are a series of compounds with a nitrogen-containing spiro structure and an application thereof in the preparation of an RET kinase inhibitor. Specifically, disclosed is a compound as shown in formula (II) or a pharmaceutically acceptable salt thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile