Bioactive glass composition

US9168272B2 · kind B2 · utility

Assignee

• Queen Mary & Westfield College · GB

Inventors

• Robert Graham Hill · Downpatrick, GB
• Delia Brauer · Jena, DE
• David G. Gillam · London, GB
• Natalia Karpukhina · London, GB
• Andrew John Bushby · London, GB
• Mohammad Mneimne · London, GB

Key dates

• Filing date: Jun 24, 2011
• Grant date: Oct 27, 2015
• Expiry date: Jul 21, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03C10/16
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A bioactive glass composition comprising one or more glasses comprising Si02, P205 and a fluoride, the Si02 content being less than 40 mole %, the P205 content being at least 4 mole %, and the fluoride content being greater than 1 mole %. The bioactive glass or glass-ceramic can be used in a number of medical applications, including dental applications such as toothpaste.