Patent ID: 9714475
Date: 2017-07-25
CPC Classifications: A47J,B21C,B65D,C23C,C25D

Claim:
1. Process of obtaining a cooking vessel, consisting of the following steps: Production of a container with an exterior surface made of aluminum and an interior surface, Performance of hard anodization on at least the exterior surface of the container, wherein at least one coloring step is performed on the anodized exterior surface after the hard anodization is performed, and wherein said coloring step uses at least one water-soluble anthraquinone organic dye, the process further including a step in which a PTFE coating is applied to the interior surface of the container, and wherein the step in which hard anodization is performed on the exterior surface of the container occurs after said step in which said PTFE coating is applied to the interior surface of the container.