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John H. Tait

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  • Stafford, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 9,610,558
    • Issue date Apr 4, 2017
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 9,221,920
    • Issue date Dec 29, 2015
    • Chevron Philips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 8,765,884
    • Issue date Jul 1, 2014
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 8,569,433
    • Issue date Oct 29, 2013
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 8,303,899
    • Issue date Nov 6, 2012
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 8,128,877
    • Issue date Mar 6, 2012
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Energy efficient polyolefin process
    • Patent number 8,017,701
    • Issue date Sep 13, 2011
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    System and method for deinventory of polymerization reactor
    • Patent number 7,999,044
    • Issue date Aug 16, 2011
    • Chevron Phillips Chemical Company LP
    • John D. Hottovy
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Monomer recovery by returning column overhead liquid to the reactor
    • Patent number 7,629,421
    • Issue date Dec 8, 2009
    • Chevron Phillips Chemical Company LP
    • John H. Tait
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer transfer within a polymerization system
    • Patent number 7,517,947
    • Issue date Apr 14, 2009
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Polymer transfer within a polymerization system
    • Patent number 7,109,290
    • Issue date Sep 19, 2006
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Slurry polymerization reactor having large length/diameter ratio
    • Patent number 7,033,545
    • Issue date Apr 25, 2006
    • Chevon Phillips Chemical Company, LP
    • Scott E. Kufeld
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process and apparatus for separating diluent from polymer solids
    • Patent number 6,953,553
    • Issue date Oct 11, 2005
    • Thomas A. Reid
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process and apparatus for separating diluent from polymer solids
    • Patent number 6,838,531
    • Issue date Jan 4, 2005
    • Chevron Phillips Chemical Company, LP
    • Thomas A. Reid
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Temperature controlling system for olefin polymerization reactors
    • Patent number 6,753,387
    • Issue date Jun 22, 2004
    • Chevron Phillips Chemical Company LP
    • John H. Tait
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Solids concentration in slurry polymerization
    • Patent number 6,420,497
    • Issue date Jul 16, 2002
    • Phillips Petroleum Company
    • Scott E. Kufeld
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY EFFICIENT POLYOLEFIN PROCESS
    • Publication number 20160101399
    • Publication date Apr 14, 2016
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ENERGY EFFICIENT POLYOLEFIN PROCESS
    • Publication number 20140256889
    • Publication date Sep 11, 2014
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ENERGY EFFICIENT POLYOLEFIN PROCESS
    • Publication number 20140024788
    • Publication date Jan 23, 2014
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ENERGY EFFICIENT POLYOLEFIN PROCESS
    • Publication number 20130056899
    • Publication date Mar 7, 2013
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ENERGY EFFICIENT POLYOLEFIN PROCESS
    • Publication number 20120139149
    • Publication date Jun 7, 2012
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ENERGY EFFICIENT POLYOLEFIN PROCESS
    • Publication number 20110300025
    • Publication date Dec 8, 2011
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    System and Method for Deinventory of Polymerization Reactor
    • Publication number 20100056707
    • Publication date Mar 4, 2010
    • Chevron Phillips Chemical Company LP
    • John D. Hottovy
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Monomer recovery by returning column overhead liquid to the reactor
    • Publication number 20070142576
    • Publication date Jun 21, 2007
    • John H. Tait
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYMER TRANSFER WITHIN A POLYMERIZATION SYSTEM
    • Publication number 20060287442
    • Publication date Dec 21, 2006
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Energy efficient polyolefin process
    • Publication number 20060063896
    • Publication date Mar 23, 2006
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polymer transfer within a polymerization system
    • Publication number 20050272914
    • Publication date Dec 8, 2005
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Process and apparatus for separating diluent from polymer solids
    • Publication number 20050034968
    • Publication date Feb 17, 2005
    • Thomas A. Reid
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process and apparatus for separating diluent from polymer solids
    • Publication number 20040116597
    • Publication date Jun 17, 2004
    • Thomas A. Reid
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Slurry Polymerization reactor having large length / diameter ratio,...
    • Publication number 20030229187
    • Publication date Dec 11, 2003
    • Scott E. Kufeld
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Solids concentration in slurry polymerization
    • Publication number 20030109651
    • Publication date Jun 12, 2003
    • Scott E. Kufeld
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...