Patent · US Active

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

US12138323B2 · kind B2 · utility

0Cited by

12References

13Claims

0Family size

Assignee

Solventum Intellectual Properties Company · US

Inventors

Kai U. Claussen · Munich, DE
Johannes M. Leykauff · Weilheim, DE
Wolf Steiger · Geretsried, DE
Peter Bissinger · Dießen, DE

Key dates

Filing date	Mar 28, 2022
Grant date	Nov 12, 2024
Priority date	—
Expiry date	Mar 28, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F4/40
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.