Randomly patterned cookware
AssigneeE. I. Du Pont de Nemours and Company
InventorsKenneth Batzar, Sharon Adolph McMenamin
Life of this patent
Estimating the term…
Abstract
Patterned cookware coatings can be obtained with colors not readily available from reflective pigments by additive color mixing of interference colors using oxide coated mica.
Claims6
An article having a surface which comprises a multi-layer, non-stick coating, which is heat resistant by being stable at temperatures above 300.degree. C., on a substrate wherein the multi-layer coating comprises (1) a primer adhered to the substrate, (2) a non-stick heat-resistant light-transmitting topcoat, and (3) optionally one or more intermediate coats, with the topcoat adhered to any intermediate coats which are adhered through (4) a discontinuous layer to the primer, or in the absence of intermediate coats, the topcoat being adhered directly to the primer, with the coating under the topcoat having a first color, wherein the discontinuous layer comprises globules and is present on and covers no more than about 80% of the area of the coating under the topcoat, said globules containing particles having at least two different colors, which are visibly different than said first color as seen through said topcoat and mix additively to form the visible color.
Dependencies are inferred from the claim text.