Coloring ceramics by way of ionic or complex-containing solutions

US6709694B1 · kind B1 · utility

Assignee

• 3M ESPE AG · DE

Inventors

• Daniel Suttor · Erlangen, DE
• Holger Hauptmann · Sindelsdorf, DE
• Robert Schnagl · Landsberg, DE
• Sybille Frank · Hanerau-Hademarschen, DE

Key dates

• Filing date: Sep 26, 2001
• Grant date: Mar 23, 2004
• Expiry date: Sep 26, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/9661
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

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.