TREA

Ralph W. M. Lai

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  • Lexington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dioxime ion exchangers
    • Patent number 4,339,348
    • Issue date Jul 13, 1982
    • Kennecott Corporation
    • Ralph W. M. Lai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Beneficiation of iron ore
    • Patent number 4,301,973
    • Issue date Nov 24, 1981
    • Kennecott Corporation
    • Ralph W. M. Lai
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Cobalt solvent extraction with dioxime ion exchangers
    • Patent number 4,301,124
    • Issue date Nov 17, 1981
    • Kennecott Corporation
    • Ralph W. M. Lai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Flotation and sintering of synthetic manganese carbonate
    • Patent number 4,274,866
    • Issue date Jun 23, 1981
    • Kennecott Copper Corporation
    • Ralph W. M. Lai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Solvent extraction of copper, nickel with methyl hexyl dioxime
    • Patent number 4,248,837
    • Issue date Feb 3, 1981
    • Kennecott Copper Corporation
    • Ralph W. M. Lai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...