Patents by Inventor Miaomiao ZHAO

Miaomiao ZHAO 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).

  • FUSED BICYCLIC DERIVATIVE, PHARMACEUTICALLY ACCEPTABLE SALT, CRYSTAL FORM THEREOF AND PREPARATION METHOD THEREFOR
    Publication number: 20250145641
    Abstract: Provided are a fused bicyclic derivative, a pharmaceutically acceptable salt, a crystal form thereof and a preparation method therefor. Specifically, provided are a hydrochloride, a mesylate, an acetate and a tartrate of the compound of formula (I), and a preparation method therefor and a crystal form thereof.
    Type: Application
    Filed: September 16, 2022
    Publication date: May 8, 2025
    Inventors: Tingting SHANG, Miaomiao ZHAO, Junran YANG, Zhenxing DU, Lin WANG, Qiyun SHAO, Jun FENG, Feng HE
  • CRYSTAL FORM OF 1,2,3-TRIAZOLO[1,5-A]PYRAZINES DERIVATIVE AND PREPARATION METHOD FOR CRYSTAL FORM
    Publication number: 20220081446
    Abstract: The present invention provides a crystal form of a 1,2,3-triazolo[1,5-a]pyrazines derivative and a preparation method for the crystal form. Specifically, the present invention provides a crystal form of a compound (S)-N5-(3,4-difluorophenyl)-6-methyl-N3-((R)-1,1,1-trifluoropropan-2-yl)-6,7-dihydro-[1,2,3]triazolo[1,5-c]pyrazine-3,5(4H)-dimethylformamide and a preparation method for the crystal form. The prepared crystal form has good stability and clinical application value.
    Type: Application
    Filed: January 22, 2020
    Publication date: March 17, 2022
    Applicants: Jiangsu Hengrui Medicine Co., Ltd., Shanghai Hengrui Pharmaceutical Co., Ltd.
    Inventors: Long HAN, Qiyun SHAO, Jun FENG, Feng HE, Yahui MA, Miaomiao ZHAO, Zhenxing DU, Jie WANG