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George Richard Chapman, Jr.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Process aid for melt processable polymers
    • Patent number 7,449,520
    • Issue date Nov 11, 2008
    • DuPont Performance Elastomers
    • George Richard Chapman, Jr.
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process aid for melt processable polymers
    • Patent number 7,446,148
    • Issue date Nov 4, 2008
    • DuPont Performance Elastomers L.L.C.
    • George Richard Chapman, Jr.
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process aid for melt processable polymers
    • Patent number 7,390,848
    • Issue date Jun 24, 2008
    • DuPont Performance Elastomas LLC
    • George Richard Chapman, Jr.
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process aid for melt processable polymers
    • Patent number 7,001,951
    • Issue date Feb 21, 2006
    • DuPont Dow Elastomers, L.L.C.
    • George Richard Chapman, Jr.
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process aid for melt processable polymers
    • Patent number 6,894,118
    • Issue date May 17, 2005
    • DuPont Dow Elastomers L.L.C.
    • George Richard Chapman, Jr.
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process aid for melt processable polymers
    • Patent number 6,875,814
    • Issue date Apr 5, 2005
    • DuPont Dow Elastomers L.L.C.
    • George Richard Chapman, Jr.
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...