TREA

Arnold M. Schaffer

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Regenerating zeolitic cracking catalyst
    • Patent number RE37842
    • Issue date Sep 17, 2002
    • Phillips Petroleum Company
    • Brent J. Bertus
    • 208 - Mineral oils: processes and products
  • Information Patent Grant

    Regenerating zeolitic cracking catalyst
    • Patent number RE37789
    • Issue date Jul 16, 2002
    • Phillips Petroleum Company
    • Brent J. Bertus
    • 208 - Mineral oils: processes and products
  • Information Patent Grant

    Regenerating zeolitic cracking catalyst
    • Patent number 5,358,630
    • Issue date Oct 25, 1994
    • Phillips Petroleum Company
    • Brent J. Bertus
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cracking catalyst and process
    • Patent number 4,765,884
    • Issue date Aug 23, 1988
    • Phillips Petroleum Company
    • Darrell W. Walker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL