PROCESS FOR THE DEPOSITION OF PLATINUM-RHODIUM LAYERS HAVING IMPROVED WHITENESS
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United States of America Patent
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Issued Date -
Dec 22, 2011
app pub date -
Sep 23, 2009
filing date -
Oct 4, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an electrochemical process for the deposition of coatings comprising an alloy of platinum and rhodium on, in particular, decorative articles. The process of the invention is characterized in that defined conditions are employed under which the electrolytically deposited layer has, contrary to expectations, a high whiteness which comes extraordinarily close to the appearance of silver.
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