Metal finishes

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United States of America Patent

PATENT NO 6989087
APP PUB NO 20040040859A1
SERIAL NO

10433834

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of forming a surface finish of trivalent chromium on metal or plastics substrates by electrodeposition from an aqueous plating solution of trivalent chromium ions in which the trivalent chromium is deposited on a layer of silver or silver alloy whereby the color and/or corrosion resistance of the trivalent chromium is comparable to surface finishes of hexavalent chromium. The invention avoids the health and safety risks associated with the electrodeposition of hexavalent chromium surface finishes.

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Patent Owner(s)

Patent OwnerAddress
KOHLER MIRA LTDGLOUCESTERSHIRE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farr, John Peter George Handsworth, GB 1 1
Lansdell, Paul Averell William Coleford, GB 1 1

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