Method for obtaining a cooking vessel having a colored hard-anodized outer face
US9714475B2 · kind B2 · utility
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11References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 4, 2013 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Oct 3, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/16
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Provided is a method for obtaining a cooking vessel comprising the following steps: producing a container having an aluminum outer face and an inner face, carrying out hard anodization of at least the outer face of the container. At least one coloring step is carried out on the anodized outer face following hard anodization, said coloring step employing at least one water-soluble anthraquinone organic dye. 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.