Kit of parts for producing a glass ionomer cement, process of production and use thereof

US10548818B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Michael Jahns · Gilching, DE
• Peter Braun · Landsberg am Lech, DE
• Robert F. Peez · Landsberg, DE
• Markus Mikulla · Cham, DE
• Rainer Guggenberger · Hanerau-Hademarschen, DE

Key dates

• Filing date: Jul 18, 2016
• Grant date: Feb 4, 2020
• Expiry date: Sep 26, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K6/818
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The application relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler C, non acid-reactive filler A, Paste B comprising water, polyacid, complexing agent, non acid-reactive filler B, the mean particle size of non acid-reactive filler B being larger than the mean particle size of non acid-reactive filler A, the water content of the composition obtained when mixing Paste A and Paste B being below 20 wt.-%. The application also relates to a device for storing such a kit of parts and the use of the kit of parts and/or the device for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.