TREA

Hans-Joachim Graf

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  • Stratford, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blend of EPDM and SBR using an EPDM of different origin as a compat...
    • Patent number 6,800,691
    • Issue date Oct 5, 2004
    • Cooper Technology Services, LLC
    • Hans-Joachim Graf
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    EPDM compounds for dynamic applications
    • Patent number 6,693,145
    • Issue date Feb 17, 2004
    • Cooper Technology Services, LLC
    • Hans-Joachim Graf
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preventing discoloration in an elastomer rubber
    • Patent number 6,653,386
    • Issue date Nov 25, 2003
    • Cooper Technology Services, LLC
    • Hans-Joachim Graf
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Accelerator combinations
    • Patent number 5,830,817
    • Issue date Nov 3, 1998
    • Rhein-Chemie Rheinau GmbH
    • Hans-Joachim Graf
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents