Patents by Inventor Chil-Hung Cheng

Chil-Hung Cheng 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).

  • Patent number: 8846558
    Abstract: The present invention relates to the modification of the internal surfaces of zeolite crystals via treatment with alcohols containing at least four carbon atoms. The modified zeolites possess high thermal stability and the properties of the modified zeolites can be tailored to provide improved performance for use in separations processes.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: September 30, 2014
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Chil-Hung Cheng, Christopher Jones, Sankar Nair, Ronald R. Chance, Benjamin A. McCool, Harry W. Deckman
  • Publication number: 20100016619
    Abstract: The present invention relates to the modification of the internal surfaces of zeolite crystals via treatment with alcohols containing at least four carbon atoms. The modified zeolites possess high thermal stability and the properties of the modified zeolites can be tailored to provide improved performance for use in separations processes.
    Type: Application
    Filed: July 14, 2009
    Publication date: January 21, 2010
    Inventors: Chil-Hung Cheng, Christopher Jones, Sankar Nair, Ronald R. Chance, Benjamin A. McCool, Harry W. Deckman