TREA

William R. Parrish

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for removing oxygen from natural gas
    • Patent number 6,495,112
    • Issue date Dec 17, 2002
    • Phillips Petroleum Company
    • David V. Duchane
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Olefin monomer separation process
    • Patent number 4,940,833
    • Issue date Jul 10, 1990
    • Phillips Petroleum Company
    • Charles A. Drake
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents