Patents by Inventor Klaus Peter Hlrth

Klaus Peter Hlrth 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).

  • 3-(Piperazinylbenzylidenyl)-2-indolinone compounds and derivatives as protein tyrosine kinase inhibitors
    Publication number: 20030069421
    Abstract: The present invention relates to novel 3-(piperazinyl-benylidenyl)-2-indolinone compounds and derivatives and physiologically acceptable salts thereof which are expected to modulate the activity of protein tyrosine kinases and therefore to be useful in the prevention and treatment of protein tyrosine kinase related cellular disorders such as cancer.
    Type: Application
    Filed: July 24, 2002
    Publication date: April 10, 2003
    Applicant: SUGEN, Inc.
    Inventors: Peng Cho Tang, Li Sun, Gerald McMahon, Laura Kay Shawver, Klaus Peter Hlrth