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US 6,709,694 B1Granted
Coloring ceramics by way of ionic or complex-containing solutions
Assignee3M Espe AG
InventorsDaniel Suttor, Holger Hauptmann, Robert Schnagl, Sybille Frank
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Abstract
The invention relates to the coloring of ceramics by means of ionic or complex-containing solutions. Solutions preferred for this contain defined concentrations of at least one of the salts or complexes of the rare earth elements or the elements of the subgroups. The invention also relates to a kit, which comprises at least one stock bottle with such a coloring solution, a receptacle for the coloring as well as optionally a screen.
Claims14
A process for coloring translucent dental ceramics which comprises:
- providing a pre-sintered dental ceramic;
- applying at least one of a metal ion coloring solution or metal complex coloring solution to the pre-sintered ceramic to form an intermediate product;
- and
- sintering the intermediate product to form a translucent, colored dental ceramic.
1 more element
Dependencies are inferred from the claim text.