N-alkylaziridine prepolymers as a dental material

US7276545B2 · kind B2 · utility

Assignee

• 3M ESPE AG · DE

Inventors

• Gunther Eckhardt · Frieding, DE
• Guenther Lechner · Herrsching am Ammersee, DE
• Erich Wanek · Kaufering, DE

Key dates

• Filing date: May 29, 2002
• Grant date: Oct 2, 2007
• Expiry date: Oct 12, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/33306
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Mixtures of chain-extended N-alkylaziridino prepolymers are disclosed herein. The disclosed mixtures of chain-extended N-alkylaziridino prepolymers can be used in combination with additional materials to make curable formulations that can be used, for example, as dental materials such as impression compounds.