Dental material

US5889132A · kind A · utility

Assignee

• Ivoclar AG · LI

Inventors

• Volker Rheinberger · Vaduz, LI
• Norbert Moszner · Eschen, LI
• Ulrich Salz · Gettorf, DE
• Herbert Wolter · Höchberg, DE
• Werner Storch · Höchberg, DE
• Helma Baeuerlein · Würzburg, DE

Key dates

• Filing date: May 2, 1997
• Grant date: Mar 30, 1999
• Expiry date: May 2, 2017

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K6/896
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A dental material is described which is characterized by a content of silicic acid condensates of norbornene or mercapto silanes, and which, after thiol-ene polymerisation with suitable reactants, shows only slight polymerisation shrinkage and produces polymerisates with high mechanical strength.