Patent ID: 8445065

Claim:
A process for decorating glass or ceramic articles, comprising the following process steps: (1) applying a series of layers on a substrate comprising a glass or ceramic article by: (a) applying a lower layer of a glass frit formulation by printing; (b) applying an image as at least one layer of at least one pigment formulation directly to the lower layer of the glass frit formulation by an inkjet printing operation; (c) applying an upper layer of a glass frit formulation to the layer of at least one pigment formulation by an inkjet printing operation; (d) applying a protective layer comprising a varnish layer to the upper layer of the glass frit formulation by an inkjet printing operation; (2) heating the glass or ceramic article onto which the layers have been applied to at least a melting temperature of the glass frit particles of the lower and upper layers.