Patents by Inventor Wangzhou CHI

Wangzhou CHI 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).

  • HUPERZINE B CRYSTAL AND PREPARATION AND APPLICATION THEREOF
    Publication number: 20250084082
    Abstract: The present invention provides a huperzine B crystal and a preparation thereof. Specifically, the present invention provides a crystal form A of the huperzine B crystal. An X-ray diffraction pattern of the crystal form A has the following 2? angular characteristic absorption peak: 9.56±0.2, 13.90±0.2, 14.88±0.2, 16.00±0.2, 25.39±0.2, and 28.78±0.2.
    Type: Application
    Filed: July 13, 2022
    Publication date: March 13, 2025
    Inventors: Delong XIE, Wangzhou CHI, Yonggang LI, Xuhua HU, Bo GU, Dongyan SUN, Zhiqiang LIU, Baosheng YIN