TREA

Edward F. Zaweski

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  • Baton Rouge, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of cyclic ethers
    • Patent number 5,241,085
    • Issue date Aug 31, 1993
    • Ethyl Corporation
    • K. Pushpananda A. Senaratne
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Preparation of cyclic ethers
    • Patent number 5,196,552
    • Issue date Mar 23, 1993
    • Ethyl Corporation
    • K. Pushpananda A. Senaratne
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Antioxidant additive and lubricating oil containing same
    • Patent number 5,180,510
    • Issue date Jan 19, 1993
    • Ethyl Petroleum Additives, Inc.
    • Edward F. Zaweski
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Sulfurized olefin extreme pressure additives
    • Patent number 4,954,274
    • Issue date Sep 4, 1990
    • Edward F. Zaweski
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,652,272
    • Issue date Mar 24, 1987
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Asphaltic compositions
    • Patent number 4,645,538
    • Issue date Feb 24, 1987
    • Ethyl Corporation
    • William E. Wright
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,626,259
    • Issue date Dec 2, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,623,363
    • Issue date Nov 18, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,623,362
    • Issue date Nov 18, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,623,360
    • Issue date Nov 18, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,623,361
    • Issue date Nov 18, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,613,341
    • Issue date Sep 23, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,604,102
    • Issue date Aug 5, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,594,077
    • Issue date Jun 10, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,592,761
    • Issue date Jun 3, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,588,416
    • Issue date May 13, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,588,415
    • Issue date May 13, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,588,417
    • Issue date May 13, 1986
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions
    • Patent number 4,541,838
    • Issue date Sep 17, 1985
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition containing mixed fatty acid ester and amide o...
    • Patent number 4,439,336
    • Issue date Mar 27, 1984
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition
    • Patent number 4,278,555
    • Issue date Jul 14, 1981
    • Ethyl Corporation
    • Edward F. Zaweski
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Improved crankcase lubricant composition
    • Patent number 4,208,293
    • Issue date Jun 17, 1980
    • Ethyl Corporation
    • Edward F. Zaweski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...