Method for obtaining a cooking vessel having a colored hard-anodized outer face
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United States of America Patent
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Jul 25, 2017
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app pub date -
Mar 4, 2013
filing date -
Mar 7, 2012
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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.
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