Hierarchically structured duplex anodized aluminum alloy
US11299815B2 · kind B2 · utility
0Cited by
9References
11Claims
0Family size
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Key dates
| Filing date | Oct 5, 2020 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Oct 5, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/246
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of growing a hierarchically structured anodized film to an aluminum substrate including growing a Phosphoric Acid Anodizing (PAA) film layer to an aluminum substrate and growing a multiple of Tartaric-Sulfuric Acid Anodizing (TSA) film layers under the Phosphoric Acid Anodizing (PAA) film layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.