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Robert R. McElvain

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reactor jacket design
    • Patent number 11,969,725
    • Issue date Apr 30, 2024
    • Chevron Phillips Chemical Company LP
    • Anurag Gupta
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nitrogen conservation in polymerization processes
    • Patent number 11,623,176
    • Issue date Apr 11, 2023
    • Chevron Phillips Chemical Company LP
    • Lei Ji
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Reactor jacket design
    • Patent number 11,478,768
    • Issue date Oct 25, 2022
    • Chevron Phillips Chemical Company LP
    • Anurag Gupta
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nitrogen conservation in polymerization processes
    • Patent number 10,792,609
    • Issue date Oct 6, 2020
    • Chevron Phillips Chemical Company LP
    • Lei Ji
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Polymerization catalyst delivery
    • Patent number 10,611,863
    • Issue date Apr 7, 2020
    • Chevron Phillips Chemical Company LP
    • Anurag Gupta
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Polymerization catalyst delivery
    • Patent number 10,179,826
    • Issue date Jan 15, 2019
    • Chevron Phillips Chemical Company LP
    • Anurag Gupta
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Treater regeneration
    • Patent number 9,687,815
    • Issue date Jun 27, 2017
    • Chevron Phillips Chemical Company LP
    • Ralph W. Romig
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • 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

    Treater regeneration
    • Patent number 9,289,748
    • Issue date Mar 22, 2016
    • Chevron Phillips Chemical Company LP
    • Ralph W. Romig
    • 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

    System and method for measuring pressure and flow in a loop reactor
    • Patent number 8,202,949
    • Issue date Jun 19, 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

    Apparatus and method for removing polymer solids from slurry loop r...
    • Patent number 7,547,750
    • Issue date Jun 16, 2009
    • Chevron Phillips Chemical Company LP
    • Robert R McElvain
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    REACTOR JACKET DESIGN
    • Publication number 20230046752
    • Publication date Feb 16, 2023
    • Chevron Phillips Chemical Company LP
    • Anurag Gupta
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    REACTOR JACKET DESIGN
    • Publication number 20200346179
    • Publication date Nov 5, 2020
    • Chevron Phillips Chemical Company LP
    • Anurag Gupta
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Nitrogen Conservation in Polymerization Processes
    • Publication number 20200306684
    • Publication date Oct 1, 2020
    • Chevron Phillips Chemical Company LP
    • Lei Ji
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Nitrogen Conservation in Polymerization Processes
    • Publication number 20190336906
    • Publication date Nov 7, 2019
    • Chevron Phillips Chemical Company LP
    • Lei Ji
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    Polymerization Catalyst Delivery
    • Publication number 20190106515
    • Publication date Apr 11, 2019
    • Chevron Phillips Chemical Company LP
    • Anurag GUPTA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polymerization Catalyst Delivery
    • Publication number 20180319909
    • Publication date Nov 8, 2018
    • Chevron Phillips Chemical Company LP
    • Anurag GUPTA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Treater Regeneration
    • Publication number 20160361705
    • Publication date Dec 15, 2016
    • Chevron Phillips Chemical Company LP
    • Ralph W. Romig
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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 Measuring Pressure and Flow in a Loop Reactor
    • Publication number 20100056732
    • Publication date Mar 4, 2010
    • Chevron Phillips Chemical Company LP
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Apparatus and method for removing polymer solids from slurry loop r...
    • Publication number 20070078237
    • Publication date Apr 5, 2007
    • Chevron Phillips Chemical Company, LP
    • Robert R. McElvain
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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

    Slotted slurry take off
    • Publication number 20030083444
    • Publication date May 1, 2003
    • Robert R. McElvain
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...