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Matthey Rustenburg Refiners (Pty) Limited
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Johannesburg, ZA
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Patents Grants
last 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...
Patents Applications
last 30 patents
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