Preparation method of non-agglomeration nano-grade hydroxy apatite
Title：
Preparation method of non-agglomeration nano-grade hydroxy apatite
Application Number：
 200510115265
Application Date：
 2005/11/15
Announcement Date：
 2006/06/14
Pub. Date：
Publication Number：
 1785797
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C01B 25/32
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Yang Lei, Ning Xiaoshan, Jia Wenwen
Key Words：
 Preparation method, non-agglomeration, nano-grade, hydroxy apatite
Abstract：
 The present invention discloses a method for preparing coacervationless nano-grade hydroxyapatite with biological activity and biological compatibility. It is characterized by that in the solution mixing process the starch as barrier agent is added, and a calcining treatment process is used to remove starch so as to obtain coacervationless nano-grade powder body.
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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