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. 10, 2023
Filed:
Dec. 30, 2019
Applicant:
Jenkem Technology Co., Ltd. (Tianjin), Tianjin, CN;
Inventors:
Yanli Xiong, Tianjin, CN;
Jinliang Wang, Tianjin, CN;
Zewang Feng, Tianjin, CN;
Lihui Zheng, Tianjin, CN;
Xuan Zhao, Tianjin, CN;
Assignee:
JENKEM TECHNOLOGY CO., LTD. (TIANJIN), Tianjin, CN;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 65/48 (2006.01); A61K 47/60 (2017.01); A61K 45/06 (2006.01);
U.S. Cl.
CPC ...
C08G 65/48 (2013.01); A61K 47/60 (2017.08); A61K 45/06 (2013.01); C08G 2650/30 (2013.01); C08G 2650/50 (2013.01);
Abstract
The disclosure provides a multi-arm multi-claw polyethylene glycol derivative suitable for click chemistry reactions of general formula I, wherein R is a polyethylene glycol residue having a linear-chain structure, a Y-type structure or a multi-branched structure, R, Rand Rare linking groups, P is an terminal group of non-azido non-alkynyl group, D is —Nor —C≡CH, l is selected from an integer of 1 to 20, and m is selected from an integer of 0 to 19.