(Meth)acylic acid derivatives containing urethane groups

US4952241A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jurgen Reiners · Leverkusen, DE
• Wolfgang Podszun · Neunburg vorm Wald, DE
• Jens Winkel · Cologne, DE
• Carlhans Suling · Odenthal, DE
• Gerhard Klein · Monheim, DE

Key dates

• Filing date: Jul 13, 1989
• Grant date: Aug 28, 1990
• Expiry date: Jul 13, 2009

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S525/92
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The new (meth)acrylic acid derivatives containing urethane groups can be prepared by reaction of a (meth)acrylic acid ester with diisocyanates and subsequent reaction with polyols. The compounds can be used for dental materials.