Patents by Inventor Daoyong Chen

Daoyong Chen 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).

  • Publication number: 20260184837
    Abstract: A polyurethane composition includes from 50 wt % to 98 wt % of an isocyanate component, based on a total weight of the polyurethane composition, the isocyanate component including, from 7 wt % to 55 wt % of a first isocyanate-terminated prepolymer derived from a siloxane-caprolactone block copolymer polyol, based on a total weight of the isocyanate component, and from 45 wt % to 93 wt % of a second isocyanate-terminated prepolymer derived from a polyester polyol, based on the total weight of the isocyanate component. The polyurethane composition further includes from 2 wt % to 50 wt % of an isocyanate-reactive component, based on the total weight of polyurethane composition, the isocyanate-reactive component including a chain extender.
    Type: Application
    Filed: July 21, 2022
    Publication date: July 2, 2026
    Inventors: Yanbin Fan, Jun Ma, Daoyong Chen, Xiayun Huang, Adam L. Grzesiak, Hongyu Chen
  • Patent number: 7166306
    Abstract: A method for preparation of block copolymeric nanoparticles is disclosed. The method is a single-step preparation in which block copolymeric nanoparticles are produced directly from a solution of crosslinkable block copolymer in a carrier medium. The block copolymeric nanoparticles thus formed have at least one crosslinked polymeric phase.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: January 23, 2007
    Assignee: Rohm and Haas Company
    Inventors: Daoyong Chen, Ming Jiang, Huisheng Peng
  • Publication number: 20030229185
    Abstract: A method for preparation of block copolymeric nanoparticles is disclosed. The method is a single-step preparation in which block copolymeric nanoparticles are produced directly from a solution of crosslinkable block copolymer in a carrier medium. The block copolymeric nanoparticles thus formed have at least one crosslinked polymeric phase.
    Type: Application
    Filed: February 4, 2003
    Publication date: December 11, 2003
    Inventors: Daoyong Chen, Ming Jiang, Huisheng Peng
  • Patent number: D1017763
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: March 12, 2024
    Assignee: CHONGQING LIDONG MACHINERY & ELECTRIC CO., LTD
    Inventors: Qiping Zhang, Zhongbing Zhu, Daoyong Chen, Guolin Lu
  • Patent number: D1073857
    Type: Grant
    Filed: February 4, 2024
    Date of Patent: May 6, 2025
    Inventors: ZhongBing Zhu, DaoYong Chen, QiPing Zhang, GuoLin Lu
  • Patent number: D1087873
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: August 12, 2025
    Inventors: ZhongBing Zhu, DaoYong Chen, QiPing Zhang, GuoLin Lu