Coated article having a dark copper color
US6586114B1 · kind B1 · utility
3Cited by
13References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2002 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Jul 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.