Patents by Inventor LIHUI ZHENG

LIHUI ZHENG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi-arm multi-claw polyethylene glycol derivative suitable for click chemistry reactions
    Patent number: 11780963
    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, R1, R2 and R3 are linking groups, P is an terminal group of non-azido non-alkynyl group, D is —N3 or —C?CH, l is selected from an integer of 1 to 20, and m is selected from an integer of 0 to 19.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: October 10, 2023
    Assignee: JENKEM TECHNOLOGY CO., LTD. (TIANJIN)
    Inventors: Yanli Xiong, Jinliang Wang, Zewang Feng, Lihui Zheng, Xuan Zhao
  • MULTI-ARM MULTI-CLAW POLYETHYLENE GLYCOL DERIVATIVE SUITABLE FOR CLICK CHEMISTRY REACTIONS
    Publication number: 20200140611
    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, R1, R2 and R3 are linking groups, P is an terminal group of non-azido non-alkynyl group, D is —N3 or —C?CH, l is selected from an integer of 1 to 20, and m is selected from an integer of 0 to 19.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 7, 2020
    Inventors: YANLI XIONG, JINLIANG WANG, ZEWANG FENG, LIHUI ZHENG, XUAN ZHAO