TREA

Alan D. Douglas

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  • Towanda, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing tungstosilicic acid
    • Patent number 4,889,703
    • Issue date Dec 26, 1989
    • GTE Products Corporation
    • Kenneth T. Reilly
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for converting cobalt to cobalt metal powder
    • Patent number 4,816,069
    • Issue date Mar 28, 1989
    • GTE Products Corporation
    • Alan D. Douglas
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Process for extracting tungsten from alkali metal tungstate solutions
    • Patent number 4,759,915
    • Issue date Jul 26, 1988
    • GTE Products Corporation
    • Tai K. Kim
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of tungsten and rhenium
    • Patent number 4,604,265
    • Issue date Aug 5, 1986
    • GTE Products Corporation
    • Alan D. Douglas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Production of ammonium tetrathiomolybdate
    • Patent number 4,604,278
    • Issue date Aug 5, 1986
    • GTE Products Corporation
    • Kenneth T. Reilly
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Controllable nitrate fusion
    • Patent number 4,603,043
    • Issue date Jul 29, 1986
    • GTE Products Corporation
    • Alan D. Douglas
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Recovery of tungsten and rhenium
    • Patent number 4,599,222
    • Issue date Jul 8, 1986
    • GTE Products Corporation
    • Alan D. Douglas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Separation of tungsten from rhenium
    • Patent number 4,599,223
    • Issue date Jul 8, 1986
    • GTE Products Corporation
    • Alan D. Douglas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of tungsten and rhenium
    • Patent number 4,584,185
    • Issue date Apr 22, 1986
    • GTE Products Corporation
    • Alan D. Douglas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of rhenium
    • Patent number 4,557,906
    • Issue date Dec 10, 1985
    • GTE Products Corporation
    • Alan D. Douglas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of rhenium
    • Patent number 4,521,381
    • Issue date Jun 4, 1985
    • GTE Products Corporation
    • Alan D. Douglas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...