Patent · US Active

Dental composition

US9999576B2 · kind B2 · utility

3Cited by

27References

24Claims

0Family size

Assignee

DENTSPLY DETREY GMBH · DE

Inventors

Joachim E. Klee · Radolfzell, DE
Oliver Elsner · Radolfzell, DE
Sven Pohle · Konstanz, DE
Helmut Ritter · Wuppertal, DE
Dominika Bernert · Wesel, DE

Key dates

Filing date	May 15, 2017
Grant date	Jun 19, 2018
Priority date	—
Expiry date	May 15, 2037

Classification

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

Abstract

An aqueous dental glass ionomer composition comprising (a) a reactive particulate glass, (b) a linear or branched polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the linear or branched polymer comprising acidic groups has a polymer backbone and optionally pendant groups, (c) optionally dispersed nanoparticles comprising grafted linear or branched polymer chains comprising acidic groups, and having a polymer backbone characterized in that a polymer backbone of the linear or branched polymer of component (b) and/or, if present, the grafted linear or branched polymer chains of component (c) are obtainable a process comprising (i) cyclopolymerizing or cyclocopolymerizing one or more compounds of the following formula (I):

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