Patent · US Expired

Method of preparing ceramic-coated dental prosthetic constructions

US4358271A · kind A · utility

6Cited by

7References

1Claims

0Family size

Assignee

Heraeus Edelmetalle GmbH · DE

Inventors

Franz Sperner
Heidi Brink, deceased · Zöblitz, DE

Key dates

Filing date	Feb 11, 1981
Grant date	Nov 9, 1982
Priority date	—
Expiry date	Feb 11, 2001

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K6/844
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An improved method for preparing a dental prosthetic construction such as a crown or bridge is described by applying a dental ceramic composition to a base of a precious metal silver-containing alloy, drying it and firing the same. In accordance with the improvement, the firing is conducted in a reducing atmosphere.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.