Patent · US Active

Dental root canal filling material

US8044113B2 · kind B2 · utility

3Cited by

1References

12Claims

0Family size

Assignee

Dentsply International Inc. · US

Inventor

Joachim E. Klee · Radolfzell, DE

Key dates

Filing date	Dec 17, 2004
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Feb 1, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K6/54
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A dental root canal sealing composition curable in the absence of a polymerisation initiator, which comprises (i) an amino terminated prepolymer having a viscosity at 23° C. of less than 100 Pas. (ii) a compound capable of undergoing polyaddition with the aminoterminated prepolymer (i); (iii) 40 to 85 wt.-% of a filler for providing a minimum radioopacity of at least 3 mm/mm Al.

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