Patent · US Active

Compositions curable by ring opening metathesis polymerization at low temperatures and their application in the dental field

US8431625B2 · kind B2 · utility

11Cited by

8References

15Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Thomas Luchterhandt · Pleidelsheim, DE
Peter Bissinger · Dießen, DE
Miriam Hansen · Birkenfeld, DE

Key dates

Filing date	Dec 18, 2007
Grant date	Apr 30, 2013
Priority date	—
Expiry date	Dec 21, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L65/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to a composition which is polymerizable by ring-opening metathesis polymerization (ROMP) comprising at least one monomer that is polymerizable by ROMP, at least one initiator of the Hoveyda-Grubbs type for initiating the ROMP and at least one retarder selected from the group consisting of heterocyclic a means having a ring with at least one N-atom and four or less other atoms constituting the ring bearing the at least one N-atom. The invention further relates to a process for the preparation of a composition which is polymerizable by ROMP, a dental material obtainable by polymerizing a composition according to the invention and the use of a substance selected from the group consisting of heterocyclic amines having a ring with at least one N-atom and five or less atoms constituting the ring bearing the at least one N-atom or of a mixture of two or more of such substances as a retarder in ROMP.

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