Decoration for ceramics having the appearance of gold

Details Decoration for ceramics having the appearance of gold Decoration for ceramics having the appearance of gold

1978-08-30

1981-04-14

Smith, Ronald H.

Coating processes

Heat decomposition of applied coating or base material

Coating decomposed to form metal

106 114, 106 115, 106 128, B05D 302

Patent

active

042620406

ABSTRACT:
A decorative coating for application to ceramics contains no metallic gold but has the appearance of gold after firing. The coating is formed by dissolving solvent-soluble metallo-organic compounds of palladium, silver, and a fluxing agent in a vehicle. A weight ratio of palladium to silver of between 1:1 and 12:1 is used and the total content of palladium and silver in the coating as applied will range between 1 and 12 weight percent, the balance being fluxing agents and vehicle. When applied to opaque or translucent ceramic bodies and fired in the usual manner for such decorations, the appearance obtained previously only with decorations containing substantial amounts of metallic gold is simulated.

REFERENCES:
patent: 3216834 (1965-11-01), Fitch
patent: 3271193 (1966-09-01), Boykin
patent: 3345199 (1967-10-01), Fitch

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