Metal sheet treatment method and metal sheet treated with this method
US12305286B2 · kind B2 · utility
0Cited by
1References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 12, 2020 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Oct 12, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C28/34
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a steel substrate coated on at least one of its faces with a metallic coating based on zinc or its alloys wherein the metallic coating is itself coated with a conversion layer comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.