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:
May. 08, 2001
Filed:
Nov. 06, 1998
Applicant:
Inventors:
Yoshio Ota, Ogaki, JP;
Tetsushi Iwashita, Ogaki, JP;
Toshihiro Kasuga, Aichi-Ken, JP;
Yoshihiro Abe, Nisshin, JP;
Assignee:
Yabashi Industries Co., Ltd., Ogaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 2/526 ;
U.S. Cl.
CPC ...
C01B 2/526 ;
Abstract
A process for producing hydroxyapatite fibers is disclosed. The process comprises the steps of preparing a mixture of (1) calcium metaphosphate fibers and (2) calcium oxide, calcium hydroxide and/or calcium carbonate powder; heating the mixture to convert the calcium metaphosphate to hydroxyapatite; and removing calcium oxide in the heat-treated mixture by dissolving off from the resulting mixture.