Dental care products comprising carbonate-substituted fluoro-hydroxyapatite particles

US9433569B2 · kind B2 · utility

Assignee

• Coswell S.p.A. · IT

Inventors

• Paolo Gualandi · Castelmaggiore, IT
• Andrea Gualandi · Funo di Argelato, IT
• Jacopo Gualandi · Funo di Argelato, IT
• Ismaela Foltran · Vittorio Veneto, IT
• Elisabetta Foresti · Pietrasanta, IT
• Marco Lelli · Monghidoro, IT
• Marco Marchetti · Grottammare, IT
• Filippo Pierini · Bologna, IT
• Norberto Roveri · Bologna, IT
• Stefania Vecchiotti · Grottammare, IT
• Isidoro Giorgio Lesci · Casalecchio, IT

Key dates

• Filing date: May 26, 2011
• Grant date: Sep 6, 2016
• Expiry date: Aug 7, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A dental care product comprising carbonate-substituted fluoro-hydroxyapatite particles having the formula: Ca(10-z-y-m)ZnxSryMm(PO4)(6-z)(CO3)z(OH)2-wFw wherein M is selected from the group comprising Mg, Se, K and mixtures thereof; x is a number comprised between 0 and 0.02; y is a number comprised between 0.0010 and 0.015; m is a number between 0 and 0.5; z is a number comprised between 0.0010 and 0.010 and w is a number comprised between 0.000002 and 0.0001; wherein said fluoro-hydroxyapatite particles have a crystallinity degree CD comprised between 50 and 85%.