Title:
ヒドロキシアパタイトの製造方法
Document Type and Number:
Japanese Patent JP7373330
Kind Code:
B2
Abstract:
To provide a high quality hydroxyapatite with extremely low residue of proteins and unfired carbons, etc., and a manufacturing method of a hydroxyapatite capable of mass production of the hydroxyapatite by a simple process.SOLUTION: The manufacturing method of a hydroxyapatite involves a firing step of firing a livestock-derived bone raw material at a temperature of 600°C or over and 900°C or under, and a pulverization step of pulverization of the bone raw material after firing to produce a powder of 50% cumulative volume particle diameter (D) of 0.8 μm or over and 100 μm or under. An embodiment where the livestock-derived bone raw material is a steamed and dried bone powder derived from livestock, a fired bone powder derived from livestock, a bone ash derived from livestock, a raw bone derived from livestock, or processed product of these is desired. An embodiment where the firing is performed under an oxygen-containing atmosphere is desired.SELECTED DRAWING: None
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Inventors:
Reio Yoshihara
Takashi Yoshida
Yoshiki Ito
Hitoshi Takanashi
Hisao Kakegawa
Takashi Yoshida
Yoshiki Ito
Hitoshi Takanashi
Hisao Kakegawa
Application Number:
JP2019166326A
Publication Date:
November 02, 2023
Filing Date:
September 12, 2019
Export Citation:
Assignee:
DOWA Ecosystem Co., Ltd.
East Japan Co., Ltd.
East Japan Co., Ltd.
International Classes:
C01B25/32; A61L27/12; A61L27/36
Domestic Patent References:
| JP1224214A | ||||
| JP7277712A | ||||
| JP9278425A | ||||
| JP2015182901A | ||||
| JP2012514573A | ||||
| JP2002307075A | ||||
| JP52064199A | ||||
| JP2018118896A |
Foreign References:
| CN102824655A | ||||
| CN104477868A | ||||
| CN106082155A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Koichi Hirota
Yoshihiro Ryu
Naoko Matsuda
Tadahiko Ito
Koichi Hirota
Yoshihiro Ryu
Naoko Matsuda