TREA

Mark E. Harr

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  • New Philadelphia, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phenol-free phosphites
    • Patent number 7,470,735
    • Issue date Dec 30, 2008
    • Dover Chemical Corporation
    • Donald R. Stevenson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Phosphite ester additive compositions
    • Patent number 7,320,764
    • Issue date Jan 22, 2008
    • Dover Chemical Corporation
    • Donald R. Stevenson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Phosphite ester additive composition
    • Patent number 6,824,711
    • Issue date Nov 30, 2004
    • Dover Chemical Corporation
    • Don R. Stevenson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    PHOSPHITE ESTER ADDITIVE COMPOSITIONS
    • Publication number 20040183054
    • Publication date Sep 23, 2004
    • DOVER CHEMICAL CORPORATION
    • Donald R. STEVENSON
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PHENOL-FREE PHOSPHITES
    • Publication number 20040180999
    • Publication date Sep 16, 2004
    • DOVER CHEMICAL CORPORATION
    • Donald R. STEVENSON
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Phosphite ester additive compositions
    • Publication number 20030001136
    • Publication date Jan 2, 2003
    • Don R. Stevenson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...