Patents by Inventor Wenzhan YU

Wenzhan YU 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).

  • Hydrophilic polyester and a block copolymer thereof
    Patent number: 10814004
    Abstract: The invention belongs to the field of macromolecules and biomedical materials, and relates to a polymer, a block copolymer comprising the polymer as a segment, methods for preparing the polymer and for preparing the block copolymer, a micelle particle or a vesicle particle prepared from the block copolymer, and a composition comprising the polymer, the block copolymer, the micelle particle and/or the vesicle particle. The polymer provided in the invention can be used as a novel biomedical material in in the fields such as pharmaceutical formulations, immunological formulations, and gene delivery reagents.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: October 27, 2020
    Assignee: Yingu Pharmaceutical Co., Ltd.
    Inventors: Yuanyuan Pan, Shuqiang Zhao, Wenzhan Yu
  • A HYDROPHILIC POLYESTER AND A BLOCK COPOLYMER THEREOF
    Publication number: 20190231879
    Abstract: The invention belongs to the field of macromolecules and biomedical materials, and relates to a polymer, a block copolymer comprising the polymer as a segment, methods for preparing the polymer and for preparing the block copolymer, a micelle particle or a vesicle particle prepared from the block copolymer, and a composition comprising the polymer, the block copolymer, the micelle particle and/or the vesicle particle. The polymer provided in the invention can be used as a novel biomedical material in in the fields such as pharmaceutical formulations, immunological formulations, and gene delivery reagents.
    Type: Application
    Filed: December 6, 2016
    Publication date: August 1, 2019
    Applicant: YINGU PHARMACEUTICAL CO., LTD.
    Inventors: Yuanyuan PAN, Shuqiang ZHAO, Wenzhan YU