Patents by Inventor Shuwang Zheng

Shuwang Zheng 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).

  • Lycorine derivative, and pharmaceutical composition and use thereof
    Patent number: 11932653
    Abstract: The present invention relates to the technical field of medicine, and particularly to a lycorine derivative of Formula (I), and a pharmaceutically acceptable salt, a preparation method, a pharmaceutical composition and use thereof. The lycorine derivative has obvious antiviral activity and is useful in the treatment of viral diseases such as hand-foot-mouth disease.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: March 19, 2024
    Assignees: SHANDONG DYNE MARINE BIOPHARMACEUTICAL CO., LTD, BEIJING DYNE HIGH-TECH PEDIATRIC PHARMACEUTICAL R&D INSTITUTE CO., LTD.
    Inventors: Xiandao Pan, Yajun Yang, Longying Shen, Wensheng Zheng, Shuwang He, Shiqiang Yan, Yajun Jing
  • Method of impoving taste of natural sweetener and composition thereof
    Publication number: 20090324793
    Abstract: A natural sweetener composition includes a predetermined amount of stevioside, a predetermined amount of dextrin, having a dextrose equivalent value, and a predetermined amount of enzyme, wherein the stevioside, the dextrin and the enzyme are chemically mixed together under a temperature in a range of approximately 40 Celsius degrees to 80 Celsius degrees and for a period of time of approximately 3 hours to 30 hours to form a solution containing a predetermined amount of alpha-glycosyl stevioside, with a conversion rate from the stevioside to the alpha-glycosyl stevioside in a range between approximately 60% to 86%.
    Type: Application
    Filed: June 26, 2008
    Publication date: December 31, 2009
    Inventors: Shuwang Zheng, Guangsan Che, Qiang Huo