Dental materials based on cyclopolymerizable crosslinkers

US11793732B2 · kind B2 · utility

Assignee

• Ivoclar Vivadent AG · LI

Inventors

• Iris Lamparth · Grabs, CH
• Norbert Moszner · Eschen, LI
• Robert Liska · Schleinbach, AT
• Christian Gorsche · Wien, AT
• Yohann Catel · Sevelen, CH
• Gernot Peer · Wien, AT

Key dates

• Filing date: Feb 3, 2021
• Grant date: Oct 24, 2023
• Expiry date: Jan 30, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2602/48
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Dental material which comprises at least one compound of formula I, in which R1 is a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon radical, wherein the aliphatic or aromatic hydrocarbon radical can be substituted or unsubstituted and wherein aliphatic hydrocarbon radicals can be interrupted by one or more urethane groups, ester groups, oxygen atoms and/or sulfur atoms; X, Y, Z independently of each other in each case are —COOR2, —CON(R3R4)—, an aromatic C6-C10 hydrocarbon radical or CN, wherein R2, R3, R4 in each case independently of each other is hydrogen, a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon radical, wherein the aliphatic or aromatic hydrocarbon radical can be substituted or unsubstituted and wherein aliphatic hydrocarbon radicals can be interrupted by one or more oxygen atoms, and m is 2 or 3.