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Geoffrey Holden

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymeric composition
    • Patent number 4,904,731
    • Issue date Feb 27, 1990
    • Shell Oil Company
    • Geoffrey Holden
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymeric composition
    • Patent number 4,894,417
    • Issue date Jan 16, 1990
    • Shell Oil Company
    • Geoffrey Holden
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Articles resistant to attack by fatty substances, made from polysty...
    • Patent number 4,188,432
    • Issue date Feb 12, 1980
    • Shell Oil Company
    • Geoffrey Holden
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...