Patents by Inventor Tony Crain

Tony Crain 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).

  • Acidic activator-supports and catalysts for olefin polymerization
    Patent number: 7790820
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: September 7, 2010
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Michael D. Jensen, Gil R. Hawley, Max P. McDaniel, Tony Crain, Elizabeth A. Benham, Joel L. Martin, Qing Yang
  • ACIDIC ACTIVATOR-SUPPORTS AND CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20100029872
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.
    Type: Application
    Filed: October 15, 2009
    Publication date: February 4, 2010
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Michael D. Jensen, Gil R. Hawley, Max P. McDaniel, Tony Crain, Elizabeth A. Benham, Joel L. Martin, Qing Yang
  • Acidic activator supports and catalysts for olefin polymerization
    Patent number: 7629284
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: December 8, 2009
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Michael D. Jensen, Gil R. Hawley, Max P. McDaniel, Tony Crain, Elizabeth A. Benham, Joel L. Martin, Qing Yang
  • ACIDIC ACTIVATOR SUPPORTS AND CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20080026934
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.
    Type: Application
    Filed: August 27, 2007
    Publication date: January 31, 2008
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY
    Inventors: Michael Jensen, Gil Hawley, Max McDaniel, Tony Crain, Elizabeth Benham, Joel Martin, Qing Yang
  • Acidic activator-supports and catalysts for olefin polymerization
    Patent number: 7294599
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: November 13, 2007
    Assignee: Chevron Phillips Chemical Co.
    Inventors: Michael D. Jensen, Gil R. Hawley, Max P. McDaniel, Tony Crain, Elizabeth A. Benham, Joel L. Martin, Qing Yang
  • Dual metallocene catalysts for polymerization of bimodal polymers
    Publication number: 20070197374
    Abstract: This invention relates to catalyst compositions, methods, and polymers encompassing at least one first Group 4 metallocene compound comprising bridging ?5-cyclopentadienyl-type ligands, in combination with at least one second Group 4 metallocene with non-bridging ?5-cyclopentadienyl-type ligands, typically in combination with at least one cocatalyst, and at least one activator. The compositions and methods disclosed herein provide ethylene polymers with a bimodal molecular weight distribution.
    Type: Application
    Filed: February 22, 2006
    Publication date: August 23, 2007
    Inventors: Qing Yang, Kumudini Jayaratne, Michael Jensen, Max McDaniel, Joel Martin, Matthew Thorn, Jerry Lanier, Tony Crain
  • Acidic activator-supports and catalysts for olefin polymerization
    Publication number: 20050288178
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.
    Type: Application
    Filed: June 25, 2004
    Publication date: December 29, 2005
    Inventors: Michael Jensen, Gil Hawley, Max McDaniel, Tony Crain, Elizabeth Benham, Joel Martin, Qing Yang