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).

  • 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