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Fred D. Ehrman

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymerization process
    • Patent number 11,274,170
    • Issue date Mar 15, 2022
    • ExxonMobil Chemical Patents Inc.
    • Corrine L. Brandl
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization process
    • Patent number 10,377,841
    • Issue date Aug 13, 2019
    • ExxonMobil Chemical Patents Inc.
    • David J. Sandell
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    High density polyethylene and articles made therefrom
    • Patent number 7,855,253
    • Issue date Dec 21, 2010
    • Univation Technologies, LLC
    • Porter C. Shannon
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization monitoring and control using improved leading indica...
    • Patent number 7,838,605
    • Issue date Nov 23, 2010
    • Univation Technologies, LLC
    • David Jack Sandell
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization monitoring and control using leading indicators
    • Patent number 7,799,877
    • Issue date Sep 21, 2010
    • Univation Technologies, LLC
    • Kenneth G. Schurzky
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    High density polyethylene
    • Patent number 7,595,364
    • Issue date Sep 29, 2009
    • Univation Technologies, LLC
    • Porter Clarke Shannon
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization monitoring and method of selecting leading indicators
    • Patent number 7,585,923
    • Issue date Sep 8, 2009
    • Univation Technologies, LLC
    • David Jack Sandell
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of reducing gels in polyolefins
    • Patent number 7,393,916
    • Issue date Jul 1, 2008
    • Univation Technologies, LLC
    • Anthony Charles Neubauer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization process and control of polymer composition properties
    • Patent number 7,238,756
    • Issue date Jul 3, 2007
    • Univation Technologies, LLC
    • Fred D. Ehrman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene films
    • Patent number 7,101,629
    • Issue date Sep 5, 2006
    • Univation Technologies, LLC
    • Porter C. Shannon
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene films
    • Patent number 7,090,927
    • Issue date Aug 15, 2006
    • Univation Technologies, LLC
    • Porter C. Shannon
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Methods of producing polyolefins and films therefrom
    • Patent number 6,995,235
    • Issue date Feb 7, 2006
    • Univation Technologies, LLC
    • Fred D. Ehrman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bimodal polyolefin production process and films therefrom
    • Patent number 6,943,134
    • Issue date Sep 13, 2005
    • Univation Technologies, LLC
    • Chi-I Kuo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene films
    • Patent number 6,878,454
    • Issue date Apr 12, 2005
    • Univation Technologies, LLC
    • Porter C. Shannon
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bimodal polyolefin production process and films therefrom
    • Patent number 6,875,828
    • Issue date Apr 5, 2005
    • Univation Technologies, LLC
    • Chi-I Kuo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Reactor wall coating and processes
    • Patent number 6,870,023
    • Issue date Mar 22, 2005
    • ExxonMobil Chemical Patents Inc.
    • Michael E. Muhle
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Methods of polymerizing olefin monomers with mixed catalyst systems
    • Patent number 6,833,416
    • Issue date Dec 21, 2004
    • Univation Technologies, LLC
    • Michael Allen Kinnan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Processes for transitioning between chrome-based and mixed polymeri...
    • Patent number 6,833,417
    • Issue date Dec 21, 2004
    • Univation Technologies, LLC
    • Fred David Ehrman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization process and control of polymer composition properties
    • Patent number 6,828,395
    • Issue date Dec 7, 2004
    • Univation Technologies, LLC
    • Fred D. Ehrman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Gas phase polymerization process
    • Patent number 6,753,390
    • Issue date Jun 22, 2004
    • Univation Technologies, LLC
    • Fred David Ehrman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents