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:
Jul. 07, 2026
Filed:
May. 28, 2020
Beijing Tiangang Auxiliary Co., Ltd., Beijing, CN;
Jingjing An, Beijing, CN;
Wei Chen, Beijing, CN;
Yongnian Gao, Beijing, CN;
Jing Li, Beijing, CN;
Gang Liu, Beijing, CN;
BEIJING TIANGANG AUXILIARY CO., LTD., Beijing, CN;
Abstract
The present invention discloses a polymerized high-molecular-weight sterically hindered amine having a general formula I, the sterically hindered amine has the advantages of high molecular weight, difficult migration in polymer products, good thermal stability, etc., and can stabilize and/or be flame retardant to organic substances sensitive to light, heat or oxidation, and furthermore, can be made to have better compatibility with different types of polymer materials by changing substituents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile