Rod-shaped apatite crystals having a specific length-to-width ratio

US7320728B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Ralf Noerenberg · Büttelborn, DE
• Hans-Josef Sterzel · Schifferstadt, DE
• Volker Koch · Reckersdorf, DE

Key dates

• Filing date: Nov 7, 2006
• Grant date: Jan 22, 2008
• Expiry date: Nov 7, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B25/455
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features The invention furthermore describes dispersions which contain such rod-shaped apatite crystals, and a process for the preparation of the dispersions or of the apatite crystals.