Patent ID: 8569533

Claim:
A bright noble metal preparation for firing onto ceramic/porcelain surfaces at a minimum temperature of 900° C. for forming a very bright noble metal film comprising: at least one organic noble metal compound, including an organic gold compound; at least one flux of organic metal compounds; and at least one carrier, wherein the bright noble metal preparation is rhodium-free, wherein the preparation contains Cr in the form of at least one organic compound, the Cr content being 0.01 to 1.0 mole of Cr per mole of noble metal and at least one additional element selected from the group consisting of Si and Ni in the form of organic compounds, such that the total content of Si, Cr, and Ni is 0.2 to 2.0 mole per mole of noble metal, the noble metal content being in a range of 6 to 20 wt. % based on the preparation.