TREA

Christopher E. Wittner

Follow

Person

  • Bartlesville, OK, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Aqueous methods for titanating a chromium/silica catalyst with an a...
    • Patent number 12,077,627
    • Issue date Sep 3, 2024
    • Chevron Phillips Chemical Company LP
    • Anand Ramanathan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dual catalyst system for producing LLDPE and MDPE copolymers with l...
    • Patent number 12,031,022
    • Issue date Jul 9, 2024
    • Chevron Phillips Chemical Company LP
    • Errun Ding
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dual catalyst system for producing LLDPE and MDPE copolymers with l...
    • Patent number 11,339,279
    • Issue date May 24, 2022
    • Chevron Phillips Chemical Company LP
    • Errun Ding
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst systems containing a bridged metallocene
    • Patent number 9,040,642
    • Issue date May 26, 2015
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bridged metallocene catalyst systems with switchable hydrogen and c...
    • Patent number 9,040,643
    • Issue date May 26, 2015
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bridged metallocene catalyst systems with switchable hydrogen and c...
    • Patent number 8,637,616
    • Issue date Jan 28, 2014
    • Chevron Philips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst systems containing a bridged metallocene
    • Patent number 8,609,793
    • Issue date Dec 17, 2013
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer compositions for rotational molding applications
    • Patent number 8,492,498
    • Issue date Jul 23, 2013
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Compositions that can produce polymers
    • Patent number 7,763,561
    • Issue date Jul 27, 2010
    • Chevron Phillips Chemical Company LP
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Compositions that can produce polymers
    • Patent number 7,601,665
    • Issue date Oct 13, 2009
    • Chevron Phillips Chemical Company, LP
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organometal compound catalyst
    • Patent number 7,547,754
    • Issue date Jun 16, 2009
    • Chevron Phillips Chemical Company, LP
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organometal compound catalyst
    • Patent number 7,417,097
    • Issue date Aug 26, 2008
    • Phillips Petroleum Company
    • Youlu Yu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization catalysts
    • Patent number 7,109,277
    • Issue date Sep 19, 2006
    • Phillips Petroleum Company
    • Gil R. Hawley
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organometal compound catalyst
    • Patent number 6,878,785
    • Issue date Apr 12, 2005
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organometal compound catalyst
    • Patent number 6,833,338
    • Issue date Dec 21, 2004
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polymers
    • Patent number 6,831,141
    • Issue date Dec 14, 2004
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization catalysts
    • Patent number 6,667,274
    • Issue date Dec 23, 2003
    • Phillips Petroleum Company
    • Gil R. Hawley
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Propylene polymerization process
    • Patent number 6,573,344
    • Issue date Jun 3, 2003
    • Phillips Petroleum Company
    • Gil R. Hawley
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organometal compound catalyst
    • Patent number 6,548,442
    • Issue date Apr 15, 2003
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organometal catalyst compositions
    • Patent number 6,524,987
    • Issue date Feb 25, 2003
    • Phillips Petroleum Company
    • Kathy S. Collins
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polymers using a composition comprising an or...
    • Patent number 6,316,553
    • Issue date Nov 13, 2001
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Compositions that can produce polymers
    • Patent number 6,300,271
    • Issue date Oct 9, 2001
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Compositions that can produce polymers
    • Patent number 6,107,230
    • Issue date Aug 22, 2000
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Dual Catalyst System for Producing LLDPE and MDPE Copolymers with L...
    • Publication number 20240301185
    • Publication date Sep 12, 2024
    • Chevron Phillips Chemical Company LP
    • Errun Ding
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    AQUEOUS METHODS FOR TITANATING A CHROMIUM/SILICA CATALYST WITH AN A...
    • Publication number 20240084052
    • Publication date Mar 14, 2024
    • Chevron Phillips Chemical Company LP
    • Anand Ramanathan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    AQUEOUS METHODS FOR TITANATING A CHROMIUM/SILICA CATALYST WITH AN A...
    • Publication number 20230340166
    • Publication date Oct 26, 2023
    • Chevron Phillips Chemical Company LP
    • Anand Ramanathan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Dual Catalyst System for Producing LLDPE and MDPE Copolymers with L...
    • Publication number 20220267579
    • Publication date Aug 25, 2022
    • Chevron Phillips Chemical Company LP
    • Errun Ding
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Dual Catalyst System for Producing LLDPE and MDPE Copolymers with L...
    • Publication number 20210309841
    • Publication date Oct 7, 2021
    • Chevron Phillips Chemical Company LP
    • Errun Ding
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Bridged Metallocene Catalyst Systems With Switchable Hydrogen and C...
    • Publication number 20140107301
    • Publication date Apr 17, 2014
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Catalyst Systems Containing a Bridged Metallocene
    • Publication number 20140057777
    • Publication date Feb 27, 2014
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CATALYST SYSTEMS CONTAINING A BRIDGED METALLOCENE
    • Publication number 20120232229
    • Publication date Sep 13, 2012
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polymer Compositions for Rotational Molding Applications
    • Publication number 20120214954
    • Publication date Aug 23, 2012
    • Chevron Phillips Chemical Company LP
    • Richard M. BUCK
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    BRIDGED METALLOCENE CATALYST SYSTEMS WITH SWITCHABLE HYDROGEN AND C...
    • Publication number 20120088890
    • Publication date Apr 12, 2012
    • Chevron Phillips Chemical Company LP
    • Richard M. Buck
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    COMPOSITIONS THAT CAN PRODUCE POLYMERS
    • Publication number 20100280199
    • Publication date Nov 4, 2010
    • Chevron Phillips Chemical Company LP
    • MAX P. MCDANIEL
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    COMPOSITIONS THAT CAN PRODUCE POLYMERS
    • Publication number 20080058199
    • Publication date Mar 6, 2008
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Organometal compound catalyst
    • Publication number 20070197752
    • Publication date Aug 23, 2007
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Organometal compound catalyst
    • Publication number 20060287447
    • Publication date Dec 21, 2006
    • Youlu Yu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Compositions that can produce polymers
    • Publication number 20050197470
    • Publication date Sep 8, 2005
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Organometal compound catalyst
    • Publication number 20050137366
    • Publication date Jun 23, 2005
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polymerization catalysts
    • Publication number 20040067844
    • Publication date Apr 8, 2004
    • Gil R. Hawley
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Organometal compound catalyst
    • Publication number 20030232716
    • Publication date Dec 18, 2003
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Organometal compound catalyst
    • Publication number 20030171511
    • Publication date Sep 11, 2003
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Organometal catalyst compositions
    • Publication number 20030162651
    • Publication date Aug 28, 2003
    • Kathy S. Collins
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for producing polymers
    • Publication number 20020007023
    • Publication date Jan 17, 2002
    • Max P. McDaniel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL