Patents by Inventor Xiaopeng Sang

Xiaopeng Sang 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).

  • Novel tyrosine kinase inhibitors
    Publication number: 20060079518
    Abstract: The present invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase enzymes thereby making them useful as anti-cancer agents. The formula I compounds are also useful for the treatment of other diseases which can be treated by inhibiting tyrosine kinase enzymes.
    Type: Application
    Filed: November 30, 2005
    Publication date: April 13, 2006
    Inventors: Mark Wittman, Neelakantan Balasubramanian, Upender Velaparthi, Kurt Zimmermann, Mark Saulnier, Peiying Liu, Xiaopeng Sang, David Frennesson, Karen Stoffan, James Tarrant, Anne Marinier, Stephan Roy
  • Benzo- and azabenzodithiazole compounds
    Publication number: 20050101646
    Abstract: The present invention provides compounds of formula I or a pharmaceutically acceptable salt, solvate, prodrug or isomer thereof and compounds of the formula or a pharmaceutically acceptable salt, solvate, prodrug or isomer thereof. The compounds of the invention inhibit tyrosine kinase activity of growth factor receptors such as HER1, HER2 and HER4 thereby making them useful as antiproliferative agents. The compounds are also useful for the treatment of other diseases associated with signal transduction pathways operating through growth factor receptors.
    Type: Application
    Filed: September 1, 2004
    Publication date: May 12, 2005
    Inventors: Xiaopeng Sang, Xuhua Du, John Kadow
  • Novel tyrosine kinase inhibitors
    Publication number: 20040044203
    Abstract: The present invention provides compounds of formula I 1
    Type: Application
    Filed: October 2, 2002
    Publication date: March 4, 2004
    Inventors: Mark D. Wittman, Neelakantan Balasubramanian, Upender Velaparthi, Kurt Zimmermann, Mark G. Saulnier, Peiying Liu, Xiaopeng Sang, David B. Frennesson, Karen M. Stoffan, James G. Tarrant, Anne Marinier, Stephan Roy