Patents by Inventor Guolin GU

Guolin GU 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).

  • High-purity isothiocyanate compound preparation method for industrial production
    Patent number: 11897838
    Abstract: The present invention provides a high-purity isothiocyanate compound preparation method for industrial production. Specifically, in the method, organic amine and CS2 are used as raw materials to prepare the thiocarbamate, and then desulfurization is carried out, and the high-purity isothiocyanate compound is obtained by using purification, post-processing and other methods. The method in the present invention is suitable for industrial production, is simple in the post-processing, has a high yield rate, and allows the product to have a high purity, and is suitable for the production of the isothiocyanate compound in the pharmaceutical industry.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: February 13, 2024
    Assignee: JC (WUXI) COMPANY, INC.
    Inventors: Jingcai Cheng, Guolin Gu, Biao Huang
  • HIGH-PURITY ISOTHIOCYANATE COMPOUND PREPARATION METHOD FOR INDUSTRIAL PRODUCTION
    Publication number: 20200079731
    Abstract: The present invention provides a high-purity isothiocyanate compound preparation method for industrial production. Specifically, in the method, organic amine and CS2 are used as raw materials to prepare the thiocarbamate, and then desulfurization is carried out, and the high-purity isothiocyanate compound is obtained by using purification, post-processing and other methods. The method in the present invention is suitable for industrial production, is simple in the post-processing, has a high yield rate, and allows the product to have a high purity, and is suitable for the production of the isothiocyanate compound in the pharmaceutical industry.
    Type: Application
    Filed: February 27, 2018
    Publication date: March 12, 2020
    Inventors: Jingcai CHENG, Guolin GU, Biao HUANG