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CERAMIC PARTICLE GROUP AND METHOD FOR PRODUCTION THEREOF AND USE THEREOF achieved

Foreign code F110004011
File No. K02014WO
Posted date Jul 8, 2011
Country EPO
Application number 05783179
Gazette No. 1808411
Gazette No. 1808411
Date of filing Sep 13, 2005
Gazette Date Jul 18, 2007
Gazette Date Oct 23, 2013
International application number WO2005JP16837
Date of international filing Sep 13, 2005
Priority data
  • P2004-267404 (Sep 14, 2004) JP
  • P2005-041348 (Feb 17, 2005) JP
Title CERAMIC PARTICLE GROUP AND METHOD FOR PRODUCTION THEREOF AND USE THEREOF achieved
Abstract

Provided are a ceramic particle group dispersed in a solvent in a state of primary particles of single crystal, a method for production thereof and a use thereof. One embodiment is a method for producing a sintered particle (ceramic particle) group of hydroxyapatite (HAp), which comprises a step of subjecting a system wherein calcium carbonate is present between primary particles of hydroxyapatite (HAp) to sintering and then dissolving calcium carbonate with water to remove calcium carbonate. A hydroxyapatite (HAp) sintered particle group produced by the above method is a nanometer size particle group having a particle diameter of about 70 to about 120 nm, and is a particle group having a uniform particle diameter (coefficient of variation: 12%), and further 96% of the particle group is dispersed as a single crystal particle.

  • Applicant
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • Inventor
  • FURUZONO, TSUTOMU
  • OKADA, MASAHIRO
IPC(International Patent Classification)
Reference ( R and D project ) PRESTO Nanostructure and Material Property AREA
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