Patent · US Active

Anti-microbial dental impression material

US8933147B2 · kind B2 · utility

0Cited by

87References

17Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Thomas Klettke · Dießen, DE
Oliver Kappler · Weilheim, DE
Ingo R. Haeberlein · Weilheim, DE

Key dates

Filing date	Nov 9, 2006
Grant date	Jan 13, 2015
Priority date	—
Expiry date	Mar 22, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K6/90
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to plastics which are self-disinfecting. The invention relates in particular to polyether or silicone based dental plastics and impression materials in which a biocidal material is incorporated. The dental impression material ace. to the invention comprises at least a polymerizable base paste BP and a non-aqueous catalyst paste CP, wherein the base paste BP comprises about 0.001 to about 10% by weight of a water-stable anti-microbial agent. Preferred anti-microbial agents are selected from the group consisting of Hexitidin, Cetypyridininumcloride (CPC), Chlorhexidine and its derivates (CHX) and Triclosan.

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