Chromium-free pickle for plastic surfaces

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United States of America Patent

PATENT NO 9752074
APP PUB NO 20160024381A1
SERIAL NO

14702020

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Abstract

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A pickling solution for the surface pre-treatment of plastic surfaces in preparation for metallization, the solution comprising a source of Mn(VII) ions; and an inorganic acid; wherein the pickling solution is substantially free of chromium (VI) ions, alkali ions, and alkaline-earth ions.

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Patent Owner(s)

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CITIBANK N A388 GREENWICH STREET NEW YORK NY 10013

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Prinz, Ulrich Solingen, DE 7 46
Schildmann, Mark Peter Solingen, DE 4 38
Werner, Christoph Düsseldorf, DE 29 299

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