Patent · US Active

Cationically hardenable dental composition, process of production and use thereof

US8921475B2 · kind B2 · utility

0Cited by

15References

12Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Joachim W. Zech · Kaufering, DE
Thomas Klettke · Dießen, DE
Sebastian Zeller · Erbach, DE
Bernd Kuppermann · Herrsching am Ammersee, DE
Hendrik Grupp · Herrsching am Ammersee, DE

Key dates

Filing date	Jul 19, 2010
Grant date	Dec 30, 2014
Priority date	—
Expiry date	Jul 19, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K6/891
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to a hardenable dental composition comprising component (A) comprising a cationically hardenable compound, component (B) comprising an initiator being able to initiate the hardening reaction of the cationically hardenable compound, and component (C) comprising a filler, wherein the filler comprises a filler body and a filler surface, the filler surface comprising side groups with polar moieties. The invention also relates to a process of producing the dental composition, to the use of the dental composition as dental impression material and to a method of taking an impression of dental tissue.

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