Patents by Inventor Desong Du

Desong Du 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).

  • Environmentally friendly impregnation systems for fiber surface treatment and preparation methods thereof and an impregnation treatment method
    Patent number: 12552920
    Abstract: The invention discloses an environmentally friendly impregnation system for fiber surface treatment and a preparation method thereof, and an impregnation treatment method. The environmentally friendly impregnation system for fiber surface treatment of the invention includes hydroxyacrylic resin, amino resin, epoxy resin, blocked isocyanate, accelerator, rubber latex, and deionized water. Depending on the type of fiber and its application, the invention allows for the selection of one-step impregnation treatment or two-step impregnation treatment. The invention can effectively replace the use of toxic raw materials and intermediates in traditional RFL impregnation system, reducing harm to human health and the environment while achieving the adhesion level of RFL treatment.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: February 17, 2026
    Assignee: Beijing University of Chemical Technology
    Inventors: Ming Tian, Desong Du, Nanying Ning, Wencai Wang, Liqun Zhang, Bing Yu
  • Environmentally Friendly Impregnation Systems for Fiber Surface Treatment and Preparation Methods Thereof and an Impregnation Treatment Method
    Publication number: 20240368388
    Abstract: The invention discloses an environmentally friendly impregnation system for fiber surface treatment and a preparation method thereof, and an impregnation treatment method. The environmentally friendly impregnation system for fiber surface treatment of the invention includes hydroxyacrylic resin, amino resin, epoxy resin, blocked isocyanate, accelerator, rubber latex, and deionized water. Depending on the type of fiber and its application, the invention allows for the selection of one-step impregnation treatment or two-step impregnation treatment. The invention can effectively replace the use of toxic raw materials and intermediates in traditional RFL impregnation system, reducing harm to human health and the environment while achieving the adhesion level of RFL treatment.
    Type: Application
    Filed: September 1, 2022
    Publication date: November 7, 2024
    Inventors: Ming Tian, Desong Du, Nanying Ning, Wencai Wang, Liqun Zhang, Bing Yu