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Harold R. Penton

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  • Baton Rouge, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aryloxy-alkoxy-allylphenoxy substituted polyphosphazenes
    • Patent number 4,602,048
    • Issue date Jul 22, 1986
    • Ethyl Corporation
    • Harold R. Penton
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Mammary implant
    • Patent number 4,592,755
    • Issue date Jun 3, 1986
    • Ethyl Corporation
    • Harold R. Penton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Aryloxy-alkoxy substituted polyphosphazenes
    • Patent number 4,567,229
    • Issue date Jan 28, 1986
    • Ethyl Corporation
    • F. Alexander Pettigrew
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyphosphazene process
    • Patent number 4,514,550
    • Issue date Apr 30, 1985
    • Ethyl Corporation
    • Harold R. Penton
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...