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US 6,586,114 B1Granted
Coated article having a dark copper color
AssigneeVapor Technologies, Inc.
InventorBryce Randolph Anton
Life of this patent
Estimating the term…
Abstract
An article, particularly a metallic article, is coated with a multi-layer coating having the color or appearance of dark copper. The coating comprises a chromium, refractory metal or refractory metal alloy adhesion promoting layer, a titanium-zirconium alloy nitride or titanium-zirconium alloy carbonitride protective and color layer, and a titanium-zirconium alloy oxide or titanium-zirconium oxynitride color enhancing layer.
Claims12
An article having on at least a portion of its surface a multi-layer dark copper colored protective coating comprising;
- an adhesion promoting layer selected from the group consisting of chromium, refractory metal or refractory metal alloy;
- color layer selected from the group consisting of titanium-zirconium alloy nitride and titanium-zirconium alloy carbonitride;
- color enhancing layer comprised of zirconium-titanium alloy oxide or reaction products of zirconium-titanium alloy, oxygen and nitrogen.
Dependencies are inferred from the claim text.