Protective coating
US6974638B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2004 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Jan 9, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12944
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Protective coatings known in the state of art can reveal either good corrosion resistance or good mechanical properties.An inventive protective coating resistant to corrosion at medium and high temperatures essentially consisting of the following elements (in percent by weight): 26 to 30% nickel, 20 to 28% chromium, 8 to 12% aluminium, 0.1 to 3% of at least one reactive element of the rare earths, cobalt balanced, reveals good corrosion resistance combined with good mechanical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.