Porous and spherical calcium phosphate particle comprising...

Details Porous and spherical calcium phosphate particle comprising... Porous and spherical calcium phosphate particle comprising...

2004-03-25

2008-03-25

Le, H. T (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S688000, C428S689000, C428S704000

Reexamination Certificate

active

07348060

ABSTRACT:
A porous and spherical calcium phosphate particle which is substituted with a metal ion or has a metal ion carried on the surface thereof, and has a particle diameter of 0.1 to 100 μm. The calcium phosphate particle is a novel functional particle which is useful, for example, as a material for use in gas chromatography allowing the separation of a chemical substance of a trace amount with high accuracy.

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