Electroplating bath and method for producing dark chromium layers

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United States of America Patent

PATENT NO 9689081
SERIAL NO

14113247

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Abstract

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The invention relates to methods and plating baths for electrodepositing a dark chromium layer on a workpiece. The trivalent chromium electroplating baths comprise sulphur compounds and the methods for electrodepositing a dark chromium layer employ these trivalent chromium electroplating baths. The dark chromium deposits and workpieces carrying dark chromium deposits are suited for application for decorative purposes.

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Patent Owner(s)

Patent OwnerAddress
ATOTECH DEUTSCHLAND GMBH10553 BERLIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hartmann, Philip Berlin, DE 20 61
Schulz, Klaus-Dieter Falkensee, DE 16 31
Wachter, Philipp Berlin, DE 22 14

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