Patents by Inventor Heyong Gao

Heyong Gao 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).

  • APPLICATION OF ALGINATE OLIGOSACCHARIDES
    Publication number: 20240261310
    Abstract: The present invention provides an alginate oligosaccharide or a pharmaceutically acceptable salt thereof in preparation of a drug for treatment of acute kidney injury, wherein the alginate oligosaccharide is an alginate disaccharide, an alginate trisaccharide, or an alginate tetrasaccharide. Studies have found that the alginate disaccharide, the alginate trisaccharide, and the alginate tetrasaccharide all show significant protective effects on animal models of acute kidney injury induced by ischemia-reperfusion (I/R), endotoxin phosphorus lipopolysaccharides (LPS) and anti-tumor drug cisplatin.
    Type: Application
    Filed: May 14, 2021
    Publication date: August 8, 2024
    Inventors: Zhende Liu, Heyong Gao
  • Camptothecin derivatives and their use
    Patent number: 8685997
    Abstract: New camptothecin derivatives with the following structure of the formula (I), their use and the pharmaceutical compositions containing the same. The compounds of the present invention have good anti-tumor activities and good solubility in water, and can be used in development of medicines.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: April 1, 2014
    Assignee: Shanghai Institute of Materia Medica, Chinese Academy of Sciences
    Inventors: Wei Lu, Jian Ding, Heyong Gao, Liping Lin, Yi Chen
  • CAMPTOTHECIN DERIVATIVES AND THEIR USE
    Publication number: 20090325996
    Abstract: New camptothecin derivatives with the following structure of the formula (I), their use and the pharmaceutical compositions containing the same. The compounds of the present invention have good anti-tumor activities and good solubility in water, and can be used in development of medicines.
    Type: Application
    Filed: January 17, 2007
    Publication date: December 31, 2009
    Inventors: Wei Lu, Jian Ding, Heyong Gao, Liping Lin, Yi Chen