Patents by Inventor Qingfu GAO

Qingfu GAO 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).

  • Powder coating used for household appliance coiled material and preparation method thereof
    Patent number: 11965114
    Abstract: Provided are a powder coating material for household appliance coiled material and a preparation method thereof. The powder coating material comprises: a polyester resin, a curing agent, a silicate, a filler, a pigment, and an auxiliary agent. The powder coating material for the household appliance coiled material not only can meet the requirements of coating processes of the coiled material, but also has excellent performances such as flexibility, T-bend performance, impact resistance and solvent resistance, while satisfying the requirement for the thick coatings of the household appliance coiled material.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 23, 2024
    Assignee: KINTE MATERIALS SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Qingfu Gao, Jianqun Ouyang, Li Cheng, Xiaohua Yang, Longhe Xiao
  • OXASPIRO SUBSTITUTED PYRROLOPYRAZOLE DERIVATIVE, INTERMEDIATE THEREOF, AND PREPARATION METHOD THEREFOR
    Publication number: 20240109895
    Abstract: An oxaspiro substituted pyrrolopyrazole derivative, an intermediate thereof, and a preparation method therefor.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 4, 2024
    Applicants: SHANGHAI HAIYAN PHARMACEUTICAL TECHNOLOGY CO., LTD., YANGTZE RIVER PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Zhenya ZENG, Chao KAN, Qingfu GAO, Yixiao FENG, Bo WU, Xingsong ZHANG, Youhong MA, Kejun SUN
  • POWDER COATING USED FOR HOUSEHOLD APPLIANCE COILED MATERIAL AND PREPARATION METHOD THEREOF
    Publication number: 20210355328
    Abstract: Provided are a powder coating material for household appliance coiled material and a preparation method thereof. The powder coating material comprises: a polyester resin, a curing agent, a silicate, a filler, a pigment, and an auxiliary agent. The powder coating material for the household appliance coiled material not only can meet the requirements of coating processes of the coiled material, but also has excellent performances such as flexibility, T-bend performance, impact resistance and solvent resistance, while satisfying the requirement for the thick coatings of the household appliance coiled material.
    Type: Application
    Filed: January 10, 2020
    Publication date: November 18, 2021
    Applicant: KINTE MATERIALS SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Qingfu GAO, Jianqun OUYANG, Li CHENG, Xiaohua YANG, Longhe XIAO