Patent ID: 9580362
Date: 2017-02-28
CPC Classifications: C04B,Y10T

Claim:
1. A process for coating ceramic substrates comprising: applying, as a base coat layer to the substrate, a powder coating composition, and curing the applied composition; and applying, as a further layer, a liquid coating composition, and curing the applied liquid composition by exposure to heat, wherein the liquid coating composition used for making the further layer comprises at least one acrylic resin and/or at least one polyester resin, wherein the powder coating composition comprises at least one polyester having carboxy- and/or hydroxy-functional groups, and wherein the acrylic resin is a hydroxylated acrylic resin with a hydroxyl number of from 10 to 300 mg KOH/g and the polyester resin is a hydroxylated polyester with a hydroxyl number of from 10 to 300 mg KOH/g.