Mixing component for dental glass ionomer cements

US4360605A · kind A · utility

Assignee

• ESPE Fabrik Pharmazeutischer Praparate GmbH · DE

Inventors

• Werner Schmitt · Starnberg, DE
• Robert Purrmann · Starnberg, DE
• Peter Jochum · Meiningen, AT
• Oswald Gasser · Hanerau-Hademarschen, DE

Key dates

• Filing date: Aug 5, 1980
• Grant date: Nov 23, 1982
• Expiry date: Aug 5, 2000

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K6/889
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Dental glass ionomer cements are obtained by using as a mixing component for preparing the final cement mixture either a liquid mixing component comprising an aqueous solution of a certain maleic acid-acrylic acid-copolymer and optionally usual additives or a solid, powdery mixing component comprising a powder mixture of a glass ionomer cement powder and the maleic acid-acrylic acid-copolymer in solid form and optionally usual additives.