Polymerizable dental materials

US5354785A · kind A · utility

Assignee

• Ivoclar AG · LI

Inventors

• Volker Rheinberger · Vaduz, LI
• Ulrich Salz · Gettorf, DE
• Kurt Grabher · Feldkirch, AT

Key dates

• Filing date: Nov 2, 1992
• Grant date: Oct 11, 1994
• Expiry date: Nov 2, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K3/40
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Polymerizable dental materials, suitable as underfilling material, comprising at least one polymerizable monomer or prepolymer, a setting catalyst and inorganic fillers comprise as filler, a glass powder comprising of 40-75 wt-% CaO, 5-30 wt-% B.sub.2 O.sub.3 and 5-35 wt-% SiO.sub.2.