Patents by Inventor YONGBING YUAN

YONGBING YUAN 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: 20240400458
    Abstract: A method for preparing modified calcined kaolin particles with surface amphiphilicity. The method includes the steps of drying and sieving the calcined kaolin particles, adding ethanol, and stirring to obtain a suspension A, preparing an ethanol solution of a vinyl silane coupling agent, and stirring for a period of time at a certain temperature to obtain a solution B, dripping the solution B into the solution A, and stirring for a period of time at a certain temperature to obtain a suspension C, reducing the temperature of the suspension C, introducing nitrogen, adding a certain amount of sulfhydryl compound, stirring for a period of time at a certain temperature to obtain a suspension D, filtering, washing and drying to obtain the modified calcined kaolin particles.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Inventors: YONGBING YUAN, XINYU TANG, JUNKANG SHI, CONGSHAN ZHOU, SHUQIN ZHENG, LIJUN LI, AN LI, JUNDONG XU