Patent ID: 7795163
Filing Date: 2010-09-14
Classification: C03C,H05B,Y10T

Abstract:
1. A decorated glass ceramic panel with a cooking surface, said cooking surface being provided with a black decoration by means of a burned-in decorative paint, wherein said decorative paint is applied to said cooking surface to form said black decoration, said glass ceramic panel has a black color and said decorative paint on the cooking surface contains a colorless zinc-containing glass flux and at least one partially coated pigment; wherein said at least one partially coated pigment consists of 20 to 40% by weight of a black pigment and 60 to 80% by weight of a zinc-free boro-alumino-silicate glass, said zinc-free boro-alumino-silicate glass coating said black pigment; wherein said black pigment has a grain size of at most 5μ, and a grain size distribution characterized by a D wherein said colorless zinc-containing glass flux consists, in percent by weight, of: wherein said decorative paint consists of said at least one partially coated pigment and said colorless zinc-containing glass flux; and wherein said decorative paint contains said at least one partially coated pigment in an amount of from 9 to 10 percent by weight.