Patents by Inventor Yaqi CAO

Yaqi CAO 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).

  • SALT FORM AND CRYSTAL FORM OF JAK INHIBITOR, PREPARATION METHOD THEREFOR, AND USE THEREOF
    Publication number: 20230295160
    Abstract: Provided in the present invention are a salt form and a crystal form of a JAK inhibitor, a preparation method therefor, and the use thereof. An X-ray powder diffraction pattern of a crystal form A of a compound as shown in formula I has characteristic diffraction peaks at the 2? angles of 5.9°±0.2°, 7.4°±0.2°, 11.6°±0.2°, 21.7°±0.2° and 23.8°±0.2°.
    Type: Application
    Filed: August 12, 2021
    Publication date: September 21, 2023
    Inventors: Ming CHENG, Yaqi CAO, Junen SUN, Yu PU, Jianping JIANG, Wenbo ZHANG