Patent · US Expired

ZrO.sub.2 -containing glass-ceramic

US5925180A · kind A · utility

54Cited by

7References

4Claims

0Family size

Assignee

Ivoclar AG · LI

Inventors

Martin Frank · Wittlich, DE
Volker Rheinberger · Vaduz, LI
Wolfram Hoeland · Shipka, BG

Key dates

Filing date	Sep 3, 1997
Grant date	Jul 20, 1999
Priority date	—
Expiry date	Sep 3, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C10/0009
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A ZrO.sub.2 -containing glass ceramic is described, the main crystalline phase of which is formed by ZrO.sub.2 and which has at least one further crystalline phase, and which can be used in particular in dentistry.

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