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Vapor Tech. patents Decorative and protective coating

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

Patent No. U.S. 7,179,546 B1
Vapor Technologies, Inc. has received a patent for an article having on at least a portion of its surface a multi-layer coating having the appearance of brass, nickel and stainless steel comprised of a base­coat layer; an oxide containing strike layer comprised of a refractory metal and a low percentage of refractory oxide rendering a nano-size refractory metal crystals or oriented refractory metal phase with the refractory oxide acting as precipitation hardening particles; a chrome layer intermediate the basecoat layer and the oxide strike layer; a stack layer comprised of alternative layers of refractory metal, substoichimetric refractory nitride and stoichiometric refractory nitride; an intermediate refractory oxide layer between the oxide strike layer and the stack layer; and a refractory nitride color layer.

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