Patents by Inventor Chung Sing Li

Chung Sing Li 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).

  • Aryldifluoromethylphosphonic acids with sulfur-containing substituents as PTP-1B inhibitors
    Publication number: 20020091104
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme.
    Type: Application
    Filed: March 21, 2001
    Publication date: July 11, 2002
    Inventors: Chung Sing Li, Christopher Bayly, Jacques Yves Gauthier, Yves Leblanc, Cheuk Kun Lau, Patrick Roy, Michel Therien, Zhaoyin Wang, Claude Dufresne, Rejean Fortin