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Erwin Marka
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Geneva, CH
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last 30 patents
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Patent Grant
Aqueous solution of monovalent gold and ammonium sulfite complex, p...
Patent number
4,192,723
Issue date
Mar 11, 1980
Systemes de Traitements de Surfaces S.A.
Pierre Laude
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Gold and gold alloy deposition
Patent number
4,062,736
Issue date
Dec 13, 1977
Oxy Metal Industries Corporation
Andre R. Meyer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Gold sulfite baths containing organophosphorous compounds
Patent number
4,012,294
Issue date
Mar 15, 1977
Oxy Metal Industries Corporation
Salvatore Losi
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR