Patents by Inventor Wang Frank Chen-Yu

Wang Frank Chen-Yu 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).

  • Hindered cyclic polyamines and their salts for acid gas scrubbing process
    Publication number: 20090297414
    Abstract: Hindered cyclic polyamines and their salts are absorbents useful in acid gas treatment processes.
    Type: Application
    Filed: July 21, 2006
    Publication date: December 3, 2009
    Inventors: Michael Siskin, Alan R. Katritzky, Edmund John Mozeleski, Wang Frank Chen-Yu