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William Y. Lam

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  • Ballwin, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composition containing a mannich base of a partially sulfurized hin...
    • Patent number 5,166,439
    • Issue date Nov 24, 1992
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fuel compositions containing phenolic antioxidants
    • Patent number 5,045,089
    • Issue date Sep 3, 1991
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Reduced ash content lubricants
    • Patent number 5,026,493
    • Issue date Jun 25, 1991
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Phenolic antioxidant composition
    • Patent number 5,009,802
    • Issue date Apr 23, 1991
    • Ethyl Corporation
    • William Y. Lam
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel compositions containing sulfur-bridged phenolic antioxidants
    • Patent number 5,004,481
    • Issue date Apr 2, 1991
    • Ethyl Corporation
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricant compositions
    • Patent number 4,957,643
    • Issue date Sep 18, 1990
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Sulfur-bridged phenolic antioxidants
    • Patent number 4,946,610
    • Issue date Aug 7, 1990
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricating oil composition
    • Patent number 4,927,552
    • Issue date May 22, 1990
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Dithiocarbanate lubricant compositions
    • Patent number 4,885,365
    • Issue date Dec 5, 1989
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Norbornyl dithiocarbamates
    • Patent number 4,876,375
    • Issue date Oct 24, 1989
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricant composition
    • Patent number 4,836,942
    • Issue date Jun 6, 1989
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricating compositions
    • Patent number 4,639,324
    • Issue date Jan 27, 1987
    • Ethyl Petroleum Additives, Inc.
    • William Y. Lam
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...