TREA

using naphthenic acids

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Industry

  • CPC
  • C22B3/0027
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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B3/00Extraction of metal compounds from ores or concentrates by wet processes

Current Industry

C22B3/0027using naphthenic acids
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery of neodymium/didymium values from bastnaesite ores
    • Patent number 5,338,520
    • Issue date Aug 16, 1994
    • Rhone-Poulenc Chimie
    • Alain Leveque
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for separating metal constituents from ocean floor nodules
    • Patent number 4,042,664
    • Issue date Aug 16, 1977
    • Deepsea Ventures, Inc.
    • Paul H. Cardwell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cyclic process using A.C. for selective recovery of metals from mat...
    • Patent number 4,039,404
    • Issue date Aug 2, 1977
    • Kennecott Copper Corporation
    • Kenneth Julian Richards
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Separation of nickel and cobalt and manganese in solution
    • Patent number 3,984,520
    • Issue date Oct 5, 1976
    • Deepsea Ventures, Inc.
    • Paul H. Cardwell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for separating metal constituents from ocean floor nodules
    • Patent number 3,950,486
    • Issue date Apr 13, 1976
    • Deepsea Ventures, Inc.
    • Paul H. Cardwell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3903236
    • Patent number 3,903,236
    • Issue date Sep 2, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3903235
    • Patent number 3,903,235
    • Issue date Sep 2, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3894927
    • Patent number 3,894,927
    • Issue date Jul 15, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3894139
    • Patent number 3,894,139
    • Issue date Jul 8, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3869360
    • Patent number 3,869,360
    • Issue date Mar 4, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3854851
    • Patent number 3,854,851
    • Issue date Dec 17, 1974
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3380801
    • Patent number 3,380,801
    • Issue date Apr 30, 1968
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3374090
    • Patent number 3,374,090
    • Issue date Mar 19, 1968
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3149134
    • Patent number 3,149,134
    • Issue date Sep 15, 1964
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3055754
    • Patent number 3,055,754
    • Issue date Sep 25, 1962
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents