Patent · US Expired

Use of branched polyacids in dental compounds

US7456232B2 · kind B2 · utility

2Cited by

19References

19Claims

0Family size

Assignee

3M ESPE AG · DE

Inventors

Markus Mikulla · Cham, DE
Guenther Lechner · Herrsching am Ammersee, DE
Klaus-Peter Stefan · Hanerau-Hademarschen, DE
Gabriele Rackelmann · Gilching, DE
Gunther Eckhardt · Frieding, DE

Key dates

Filing date	Nov 19, 2001
Grant date	Nov 25, 2008
Priority date	—
Expiry date	Aug 28, 2023

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K6/889
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to dental compounds that contain at least one polyacid or at least one polyacid and at least one salt of at least one polyacid. The polyacids used have at least one branch point in the polymer structure and are water-soluble and not cross-linked and their repeat units consist to at least 80 mole % of acrylic acid segments.

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