Multilayer corrosion system
US12410525B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Dec 17, 2021 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Dec 17, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L58/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An article including a substrate having on at least a portion of its surface a multilayer coating. The multilayer coating including at least one layer of electroless nickel overlying the portion of the surface, at least one layer of electrolytic nickel overlying the layer of electroless nickel, and at least one layer of an electrolytic tin-nickel overlying the layer of electrolytic nickel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.