Dupont-Mitsui Fluorochemicalson patents non-stick coating

February 15, 2012

US 7,858,188 B2
Dupont-Mitsui Fluorochemicals Co. Ltd. has obtained a patent for a structure comprised of a substrate and a non-stick coating applied to the substrate. The coating is comprised of an undercoat and an overcoat wherein the undercoat is comprised of a primer layer and a midcoat layer, the primer layer adheres to the substrate and is free from the presence of ceramic particles of inorganic film hardener having an average particle size of at least 14 micrometers, the primer layer is comprised of a non-fluoropolymer containing polymer binder, and the midcoat layer has diamond particles, and the midcoat diamond particles are present only in the midcoat layer.

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