Patents by Inventor Jiaxue YU

Jiaxue YU 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).

  • Patent number: 12187899
    Abstract: The disclosure relates to a method for improving the alkali resistance and oxidation resistance of a benzothiazole disperse dye, and belongs to the field of disperse dyes. In the disclosure, 4 kinds of diazo components and 8 kinds of coupling components are used in designing and synthesizing 28 thiazole heterocyclic azo disperse dyes, and the alkali resistance and oxidation resistance of the disperse dyes are improved. Structure confirmation is performed on the synthetic disperse dyes, and the alkali resistance, oxidation resistance and other dyeing properties of the disperse dyes are tested.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: January 7, 2025
    Assignees: Qingdao University, Penglai Jiaxin Dye Chemical Co., LTD
    Inventors: Changhai Xu, Xiaoyan Wang, Jiaxue Yu, Liang He, Mingtao Qiu, Xinting Zhao, Jinmei Du, Jinglin Tang
  • Publication number: 20210363354
    Abstract: The disclosure relates to a method for improving the alkali resistance and oxidation resistance of a benzothiazole disperse dye, and belongs to the field of disperse dyes. In the disclosure, 4 kinds of diazo components and 8 kinds of coupling components are used in designing and synthesizing 28 thiazole heterocyclic azo disperse dyes, and the alkali resistance and oxidation resistance of the disperse dyes are improved. Structure confirmation is performed on the synthetic disperse dyes, and the alkali resistance, oxidation resistance and other dyeing properties of the disperse dyes are tested.
    Type: Application
    Filed: August 3, 2021
    Publication date: November 25, 2021
    Inventors: Changhai XU, Xiaoyan WANG, Jiaxue YU, Liang HE, Mingtao QIU, Xinting ZHAO, Jinmei DU, Jinglin TANG