Multicorrosion protection system for decorative parts with chrome finish

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United States of America Patent

PATENT NO 11566338
APP PUB NO 20210054520A1
SERIAL NO

17091277

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Abstract

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The invention relates to a corrosion protection layer system for metal surfaces, said layer system comprising as the two top most layers: a) a discontinuous nickel-phosphorus layer and b) a chromium layer plated from a trivalent chromium electrolyte solution, as well as to a method of producing such a layer system. The inventive layer system is capable to combine the good corrosion resistance of the nickel-phosphorus layer against sodium chloride with the protective power of the chromium layer from the trivalent plating process against magnesium and calcium salts, especially without the need for any post-treatment.

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Patent Owner(s)

Patent OwnerAddress
ENTHONE GMBH40764 LANGENFELD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kiefer, Ronny Klotze, DE 2 1
Konigshofen, Andreas Leverkusen, DE 11 19

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