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

US10799429B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Kai U. Claussen · Munich, DE
• Johannes M. Leykauff · Weilheim, DE
• Christine Lienau · Dießen, DE
• Reinhold Hecht · Kaufering, DE
• Peter Braun · Landsberg am Lech, DE
• Markus Mikulla · Cham, DE

Key dates

• Filing date: Feb 16, 2017
• Grant date: Oct 13, 2020
• Expiry date: Jun 12, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K6/898
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention 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 A, phyllo silicate(s), Paste B comprising water, poly-acid, non acid-reactive filler B, optionally chelating agent. The invention also relates to a hardenable composition obtainable by combining the pastes of the kit or parts and to the use of such a composition as or for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.