Patents by Inventor David Hamilton Harris

David Hamilton Harris 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).

  • ZSM-5 additive activity enhancement by improved zeolite and phosphorus interaction
    Patent number: 10799855
    Abstract: A catalytic additive comprising an intermediate pore zeolite, such as ZSM-5 is treated so as to improve propylene yields when the additive is included in a FCC catalytic inventory by first treating the zeolite with a phosphorus compound to incorporate the phosphorus in the zeolite, and mixing the P-treated zeolite with a matrix component comprising kaolin and another phosphorus-containing compound.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: October 13, 2020
    Assignee: BASF Corporation
    Inventors: Xingtao Gao, David Hamilton Harris
  • ZSM-5 ADDITIVE ACTIVITY ENHANCEMENT BY IMPROVED ZEOLITE AND PHOSPHORUS INTERACTION
    Publication number: 20140206526
    Abstract: A catalytic additive comprising an intermediate pore zeolite, such as ZSM-5 is treated so as to improve propylene yields when the additive is included in a FCC catalytic inventory by first treating the zeolite with a phosphorus compound to incorporate the phosphorus in the zeolite, and mixing the P-treated zeolite with a matrix component comprising kaolin and another phosphorus-containing compound.
    Type: Application
    Filed: January 23, 2014
    Publication date: July 24, 2014
    Applicant: BASF Corporation
    Inventors: Xingtao Gao, David Hamilton Harris