Method for obtaining a cooking vessel having a colored hard anodized outer face
US10039405B2 · kind B2 · utility
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3References
21Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 5, 2012 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Nov 25, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a method for obtaining a cooking vessel having the following steps: producing a bowl having an outer face made of aluminum and an inner face, carrying out hard anodization of at least the outer face of the bowl. According to the method, at least one coloring step is carried out on the anodized outer face after hard anodization, said coloring step employing at least one water-soluble inorganic pigment. Also provided is a culinary article or an electric cooking appliance comprising a cooking vessel obtained by the above method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.