Carboxamido (meth) acrylic acid esters for treatment of collagen

US5300537A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Muller · Bensberg, DE
• Wolfgang Podszun · Neunburg vorm Wald, DE
• Bernd Alker · Bensberg, DE

Key dates

• Filing date: Oct 19, 1992
• Grant date: Apr 5, 1994
• Expiry date: Oct 19, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J4/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

For bonding dental fillings to dentine, carboxamide group-containing (meth)acrylic acid ester of the formula ##STR1## in which R.sup.1 denotes hydrogen or methyl, PA1 R.sup.2 denotes alkyl (C.sub.1 -C.sub.4) or alkenyl (C.sub.2 -C.sub.4), optionally substituted by hydroxyl, carboxyl, halogen or amino of the formula ##STR2## in which R.sup.4 and R.sup.5 are identical or different and denote hydrogen or lower alkyl, PA1 R.sup.3 denotes hydrogen or has one of the abovementioned meanings of R.sup.2 and PA1 X is a divalent aliphatic (C.sub.1 -C.sub.6) or cycloaliphatic radical (C.sub.3 -C.sub.6), which can optionally contain one or more oxygen, sulphur and/or --NR.sup.4 -bridges, where PA1 R.sup.4 has the abovementioned meaning.