The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2008
Filed:
Mar. 25, 2004
Applicants:
Junzo Tanaka, Ibaraki, JP;
Toshiyuki Ikoma, Ibaraki, JP;
Tetsushi Taguchi, Ibaraki, JP;
Inventors:
Assignee:
National Insititute for Materials Science, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01);
U.S. Cl.
CPC ...
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.