Primer composition for dental metal/plastic composite structure

US5049190A · kind A · utility

Assignee

• KULZER GMBH · DE

Inventors

• Roland Gobel · Jena, DE
• Hans-Jurgen Tiller · Jena, DE
• Rudolf Musil · Jena, DE
• Dieter Schodel · Wiesbaden, DE
• Albert L. Schmidt · Hopkinton, US
• Brigitte Magnus · Jena, DE

Key dates

• Filing date: Oct 24, 1989
• Grant date: Sep 17, 1991
• Expiry date: Oct 24, 2009

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K6/802
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Firmly adhering, durable dental metal/plastic composite structures that are stable in the presence of moisture can be made from dental alloys and plastics, if an adhesion promoting layer having a concentration gradient and comprising silicon dioxide and metal oxide, particularly chromium oxide, is disposed between them.