Patents by Inventor Peiyu XIE

Peiyu XIE 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).

  • CRYSTALLINE FORM OF FLUVATINIB OR FLUVATINIB METHANESULFONATE AND PREPARATION METHOD THEREFOR
    Publication number: 20230106064
    Abstract: Disclosed in the present invention is a crystalline form of fluvatinib or fluvatinib methanesulfonate, and a preparation method therefor. The crystalline form I of the fluvatinib has characteristic diffraction peaks as shown in FIG. 1. The crystalline form of the fluvatinib methanesulfonate may take multiple forms, including seven crystalline forms, forms I-VII, wherein crystalline form III has characteristic diffraction peaks as shown in FIG. 9. Said crystalline forms are suited to manufacturing processes for fluvatinib methanesulfonate formulations.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 6, 2023
    Applicants: CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD, YAOPHARMA CO., LTD.
    Inventors: Shuai HE, Yang ZHANG, Qiang LIU, Zhengxia CHEN, Meibi DAI, Bin FAN, Peiyu XIE