Patent · US Expired

Leucite-containing phosphosilicate glass-ceramic

US5698019A · kind A · utility

106Cited by

6References

15Claims

0Family size

Assignee

Ivoclar AG · LI

Inventors

Martin Frank · Wittlich, DE
Marcel Schweiger · Chur, CH
Volker Rheinberger · Vaduz, LI
Wolfram Hoeland · Shipka, BG

Key dates

Filing date	Jun 30, 1995
Grant date	Dec 16, 1997
Priority date	—
Expiry date	Jun 30, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C10/16
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A leucite-containing phosphosilicate glass-ceramic is described which, in addition to a leucite crystalline phase and at least one further crystalline phase, also contains one or more glass phases.

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