Patents by Inventor Chengrong X. Wang

Chengrong X. Wang 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).

  • Hydrocarbon fluids with improved pour point
    Patent number: 8377859
    Abstract: The addition of alkyl salicylic acids and esters represented by Formula I where R1?H or C12 to C22 linear alkyl group; R2?H or linear C12 to C22 carbonyl group; and R3=linear C12 to C22 alkyl group reduces the pour point of a hydrocarbon base oil. Thus, both a method for reducing the pour point of hydrocarbon oils and lubricating composition containing pour point reducing salicylates are provided. The hydrocarbon base oil in such method and composition preferably is a Group III base oil.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: February 19, 2013
    Assignee: Exxonmobil Research and Engineering Company
    Inventors: Marc-Andre Poirier, Jacob J. Habeeb, Chengrong X. Wang
  • Hydrocarbon fluids with improved pour point
    Publication number: 20090029889
    Abstract: The addition of alkyl salicylic acids and esters represented by Formula I where R1?H or C12 to C22 linear alkyl group; R2?H or linear C12 to C22 carbonyl group; and R3=linear C12 to C22 alkyl group reduces the pour point of a hydrocarbon base oil. Thus, both a method for reducing the pour point of hydrocarbon oils and lubricating composition containing pour point reducing salicylates are provided. The hydrocarbon base oil in such method and composition preferably is a Group III base oil.
    Type: Application
    Filed: July 22, 2008
    Publication date: January 29, 2009
    Inventors: Marc-Andre Poirier, Jacob J. Habeeb, Chengrong X. Wang