TREA

Matthey Rustenburg Refiners (Pty) Limited

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  • Johannesburg, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interseparation of platinum group metals
    • Patent number 5,879,644
    • Issue date Mar 9, 1999
    • Matthey Rustenburg Refiners (PTY) Limited
    • Richard A. Grant
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for the separation of rhodium and/or iridium from solution
    • Patent number 5,478,376
    • Issue date Dec 26, 1995
    • Matthey Rustenburg Refiners (Pty) Limited
    • Richard A. Grant
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of platinum group metals from scrap and residues
    • Patent number 4,451,290
    • Issue date May 29, 1984
    • Matthey Rustenburg Refiners (Proprietary) Limited
    • John Hill
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of precious metals from leach residues
    • Patent number 4,448,604
    • Issue date May 15, 1984
    • Matthey Rustenburg Refiners (Pty) Limited
    • Joseph G. Day
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Solvent extraction of platinum group metals
    • Patent number 4,382,067
    • Issue date May 3, 1983
    • Matthey Rustenburg Refiners (Pty.) Ltd.
    • Richard A. Grant
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Solvent extraction process for the selective extraction of palladium
    • Patent number 4,331,634
    • Issue date May 25, 1982
    • Matthey Rustenburg Refiners (Pty) Limited
    • Kenneth J. Shanton
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Refining of metals
    • Patent number 4,260,139
    • Issue date Apr 7, 1981
    • Matthey Rustenburg Refiners (Pty.) Limited
    • Raymond E. Oliver
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for separating cobalt and nickel by solvent extraction
    • Patent number 4,210,625
    • Issue date Jul 1, 1980
    • Matthey Rustenburg Refiners (Proprietary) Limited
    • Douglas S. Flett
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Electrochemical destruction of stable complexes
    • Patent number 4,201,636
    • Issue date May 6, 1980
    • Matthey Rustenburg Refiners (Pty) Limited
    • John J. MacGregor
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Treatment of effluents
    • Patent number 4,162,950
    • Issue date Jul 31, 1979
    • Matthey Rustenburg Refiners (Proprietary) Limited
    • John J. MacGregor
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Treatment of material with hydrogen chloride
    • Patent number 4,145,187
    • Issue date Mar 20, 1979
    • Matthey Rustenburg Refiners (Pty.) Ltd.
    • Raymond E. Oliver
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Treatment of effluents
    • Patent number 4,127,458
    • Issue date Nov 28, 1978
    • Matthey Rustenburg Refiners (Proprietary) Limited
    • John J. MacGregor
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Refining of metals
    • Patent number 4,086,084
    • Issue date Apr 25, 1978
    • Matthey Rustenburg Refiners (Pty) Ltd.
    • Raymond Edward Oliver
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Separation of metals
    • Patent number 4,002,469
    • Issue date Jan 11, 1977
    • Matthey Rustenburg Refiners (Pty) Ltd.
    • Raymond Edward Oliver
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Treatment of material with hydrogen chloride
    • Patent number 3,998,926
    • Issue date Dec 21, 1976
    • Matthey Rustenburg Refiners (Pty) Ltd.
    • Raymond Edward Oliver
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Refining of noble group metals
    • Patent number 3,979,207
    • Issue date Sep 7, 1976
    • Matthey Rustenburg Refiners (Proprietary)
    • John James MacGregor
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Separation of noble metals
    • Patent number 3,967,956
    • Issue date Jul 6, 1976
    • Matthey Rustenburg Refiners (Proprietary) Limited
    • John Blunden Payne
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for the separation and purification of platinum, rhodium an...
    • Patent number 3,960,549
    • Issue date Jun 1, 1976
    • Matthey Rustenburg Refiners, Limited
    • John James MacGregor
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...