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Carl Walter Von Hellens

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  • Brights Grove, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrogenated nitrile rubber compositions with improved processability
    • Patent number 7,235,601
    • Issue date Jun 26, 2007
    • Lanxess Inc.
    • Frederic Guerin
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nitrite compositions
    • Patent number 7,030,193
    • Issue date Apr 18, 2006
    • Bayer Inc.
    • Frederic Guerin
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Covulcanization of polymers
    • Patent number 6,794,452
    • Issue date Sep 21, 2004
    • Bayer Inc.
    • Carl Walter von Hellens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the production of hydrogenated nitrile rubber
    • Patent number 6,602,962
    • Issue date Aug 5, 2003
    • Bayer Inc.
    • Paul Nguyen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Silica-containing rubber compositions
    • Patent number 6,407,153
    • Issue date Jun 18, 2002
    • Bayer Inc.
    • Carl Walter von Hellens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber compositions and method of making them
    • Patent number 6,380,291
    • Issue date Apr 30, 2002
    • Bayer Inc.
    • Carl Walter von Hellens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents