US 2024/0189196 A1 · INITIATOR SYSTEM WITH POLYMERIZABLE THIOUREA COMPONENT, DENTAL COMPOSITION AND USE THEREOF

Abstract

The invention relates to an initiator system for curing a dental composition, the initiator system comprising a hydroperoxide component, a transition metal component, a polymerizable thiourea component, the polymerizable thiourea component comprising a thiourea moiety which is attached to a (meth)acrylate moiety through a C3-11 alkyl chain. The invention also relates to a dental composition comprising such an initiator system, and curable components, in particular curable components comprising acidic moieties.

Claims15

Dependent claims

An initiator system for curing a dental composition, the initiator system comprising

a hydroperoxide component,
a transition metal component comprising ions of Cu, Ti, V, Cr, Mn, Fe, Co, Ni, Zn or mixtures thereof,
a polymerizable thiourea component, the polymerizable thiourea component comprising a thiourea moiety which is attached to a (meth)acrylate moiety through a C3-11 alkyl chain.

Dependencies are inferred from the claim text.

Facts

Application

18/556,708Filed 28 Mar 2022

Priority

EP 21171076.929 Apr 2021

Published

13 Jun 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

A61K 6/61
Comprising organic or organo-metallic additives: cationic, anionic or redox initiators
A61K 6/30
Preparations for dentistry: compositions for temporarily or permanently fixing teeth or palates, e.g. primers for dental adhesives
A61K 6/62
Comprising organic or organo-metallic additives: photochemical radical initiators
A61K 6/887
Comprising natural or synthetic resins: compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

Initiator system with polymerizable thiourea component, dental composition and use thereof

Life of this patent

Initiator system with polymerizable thiourea component, dental composition and use thereof

Life of this patent

Abstract

Claims15