Patents by Inventor Yingqi TANG

Yingqi TANG 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).

  • Preparation method of self-thixotropic polyurethane curing agent, self-thixotropic polyurethane curing agent and application thereof
    Patent number: 12187838
    Abstract: A preparation method for a self-thixotropic polyurethane curing agent includes the following steps: mixing an isocyanate and a crystalline polyester diol and/or polyether diol, reacting at a temperature between 70° C.-110° C., after a reaction, cooling to room temperature and standing still for more than 12 h to obtain the self-thixotropic polyurethane curing agent.
    Type: Grant
    Filed: December 28, 2023
    Date of Patent: January 7, 2025
    Assignee: SHENZHEN FEIYANG PROTECH CORP., LTD
    Inventors: Poli Zhao, Shankai Luo, Jun Xue, Xiaoyong Qiu, Wenfeng Bai, Yingqi Tang
  • PREPARATION METHOD OF SELF-THIXOTROPIC POLYURETHANE CURING AGENT, SELF-THIXOTROPIC POLYURETHANE CURING AGENT AND APPLICATION THEREOF
    Publication number: 20240376249
    Abstract: A preparation method for a self-thixotropic polyurethane curing agent includes the following steps: mixing an isocyanate and a crystalline polyester diol and/or polyether diol, reacting at a temperature between 70° C.-110° C., after a reaction, cooling to room temperature and standing still for more than 12 h to obtain the self-thixotropic polyurethane curing agent.
    Type: Application
    Filed: December 28, 2023
    Publication date: November 14, 2024
    Inventors: Poli ZHAO, Shankai LUO, Jun XUE, Xiaoyong QIU, Wenfeng BAI, Yingqi TANG