Patent · US Active

Curable composition, process of production and use thereof

US9216141B2 · kind B2 · utility

0Cited by

62References

22Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Joachim W. Zech · Kaufering, DE
Hendrik Grupp · Herrsching am Ammersee, DE
Thomas Klettke · Dießen, DE

Key dates

Filing date	Aug 23, 2011
Grant date	Dec 22, 2015
Priority date	—
Expiry date	Oct 2, 2031

Classification

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

Abstract

The present disclosure relates to a curable composition to be prepared by mixing a base paste and a catalyst paste, the base paste comprising (A) a hardenable compound comprising at least two aziridine moieties, and (B) a metal containing component containing anions and/or ligands, the metal containing component being present in an amount of about 0.1 to about 5 wt.-%, the metal being selected from Zn, Cu, Co, Ni, Ag and combinations thereof, the anions or ligands being selected from oxide, hydroxyl, (hydro)carbonate, sulphate, nitrate, halide, lactate, benzoate, wolframate, linear or branched aliphatic carboxylic acid anions, ligands having not more than two coordinating moieties and combinations thereof, the catalyst paste comprising (C) a Lewis acid, the composition optionally further comprising (D) a retarder, (E) filler and (F) additive(s). The present disclosure also relates to a kit of parts, the use of a metal containing component and a method of taking a dental impression.

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