Abstract: The present invention relates to an inorganic thermochromic additive for an inorganic ceramic coating composition, comprising a thermally colour-changeable yellow inorganic pigment, a thermally colour-changeable green inorganic pigment, and optionally a white inorganic pigment. It also relates to a thermally colour-changeable ceramic coating composition comprising the inorganic thermochromic additive and the inorganic ceramic coating composition. The present invention further provides a kit for preparing the thermally colour-changeable ceramic coating composition. The present invention further relates to an artefact, in particular a cookware item coated with the thermally colour-changeable ceramic coating composition, and to the use of the thermally colour-changeable ceramic coating composition for coating an artefact, in particular a cookware item.
Type:
Grant
Filed:
September 2, 2015
Date of Patent:
January 21, 2020
Assignees:
Thermolon Korea Co., Ltd., The Cookware Company Global Sourcing Limited