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Ceramic Particle Group and Method for Production Thereof and Use Thereof 実績あり

外国特許コード F110004851
整理番号 K02014WO
掲載日 2011年7月22日
出願国 大韓民国
出願番号 20077008452
公報番号 20070053337
公報番号 100898218
出願日 平成19年4月13日(2007.4.13)
公報発行日 平成19年5月23日(2007.5.23)
公報発行日 平成21年5月18日(2009.5.18)
国際出願番号 JP2005016837
国際公開番号 WO2006030782
国際出願日 平成19年4月13日(2007.4.13)
国際公開日 平成18年3月23日(2006.3.23)
優先権データ
  • 特願2004-267404 (2004.9.14) JP
  • 特願2005-041348 (2005.2.17) JP
発明の名称 (英語) Ceramic Particle Group and Method for Production Thereof and Use Thereof 実績あり
発明の概要(英語) 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.
© KIPO & WIPO 2007
特許請求の範囲(英語) [claim1]

[1] particulate of ceramic particles forces the ceramic particles in the

Ceramic particles of particle size is 10 nm ~ ceramic particles to 700 nm range and coefficient of variation of the particle size of the ceramic particles in less than 20%.

[2] particulate of ceramic particles forces the ceramic particles in the

Primary and primary particles consisting of or above single crystals consisting of single crystals in the Ionic interaction set of particle mass to the primary grain only, and

Ceramic particles to taking a majority percentage of single crystalline primary particles included in above-mentioned ceramic particles.

Claim 2 is not less than 70% percentage of single crystalline primary particles contained in [3] above ceramic particles that characterized the mentioned ceramic particles.

[4] these ceramic particle diameter is 10 nm-to claim to be in the range of 700 nm to feature 2 or 3 mentioned ceramic particles.

Coefficient of variation of particle size [5] above ceramic particles is 20% or less, claim 2 or 4!, in either paragraph (1) of ceramic particles.

Claims to features [6] these ceramic particles on the calcium phosphate ceramics particles

1 a! , And 5 of (1) to the power of ceramic particles.

Claim 1 characterized by hydroxyapatite sintered particles [7] these ceramic particles are!, and 6 of in force paragraph 1 of ceramic particles.

Fabrication of ceramic particles [8] Oh, the

Before sintering ceramic materials power the mixing process to mix to mediate fusion wear additive particles between the primary particles and

Fabrication of ceramic particles containing particles obtained by the mixing process wherein sintering the sintering process to feature.

[9] these mixing process of side chains on carboxyl, sulfate and sulfonic acid, phosphate, Hoth Hong acid base or amino based solution containing macromolecular compounds having either and these primary particles and mixes,

Claim 8 to further process the addition of metallic salts, fabrication of ceramic particles.

[10] these compounds are POLYACRYLIC acid, polymethacrylate, polyglutamic acid, ethylene sulfonic acid, polymethyl alkylate sulphonate acid ester, polyacryloilaminomethy lphosphon acid, polypeptide a swarm power options that are at least one or more substances. to claim 9 to feature ceramic particles in fabrication.

[11] on the record melt prevention material, above sintering process sintering temperature, non-volatile to be characterized to claim 8 and not 10 or paragraph (1) fabrication of ceramic particles.

[12] in addition, the above sinter process follows on claim 8 to feature removal process to remove record melt prevention material, including, in either paragraph (1) of the 11 fabrication of ceramic particles.

[13] above removal process is on to claim 12 including process record melt protection sealant to dissolve in the solvent to feature ceramic particles in fabrication.

Solvent [14] above removal process is on record melting self-bonding inhibitor, and ceramic particles non-claim 13 that the solubility in solvents that characterized the fabrication of ceramic particles in.

The feature to a substance dissolves in aqueous solvents above melt at inhibitor [15] on that claim 13 fabrication of ceramic particles.

[16] on record melt prevention material, calcium carbonate is characterized to claim 15 Serra Mick particles in fabrication.

To contain the primary particle generation process to produce the primary particles [17] these mixing process prior to claim 8 and not 16 one or paragraph (1) manufacture of ceramic particles in.

The primary particles produced by [18] these primary particles formation process of particle size ΙΟηπ! ~ 500 ETA claim 17 features to be within the range of m, manufacturing method of ceramic particles.

Features requires that the coefficient of variation of the primary particles consisting of primary particles produced by [19] above primary particle formation processes of particle size in less than 20% claim 17 or 18 se biocomposite particles in fabrication.

[20] claim 1 wherein a!, and for HPLC packing material characteristics to be using ceramic particles in either paragraph (1) of the 7.

[21] claim 1 or paragraph (1) or 7 to be using ceramic particles in to dental materials or materials.

Characteristics to be using ceramic particles in claim 1 or paragraph (1) or 7 cosmetic additives, building materials, or industrial materials.
  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • FURUZONO TSUTOMU
  • OKADA MASAHIRO
国際特許分類(IPC)
参考情報 (研究プロジェクト等) PRESTO Nanostructure and Material Property AREA
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