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:
Nov. 12, 1991
Filed:
Jul. 03, 1989
Applicant:
Inventors:
Makoto Ogiso, Tokyo, JP;
Tetsuro Ogawa, Tokyo, JP;
Takeshi Ichitsuka, Tokyo, JP;
Masahide Inoue, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 16 ; 623 16 ;
Abstract
A bone prosthetic material composed of calcium phosphate group granules which have open cells with an average pore size of 0.01-(10 .mu.m).sup.2 over a surface density of at least one per 10 .mu.m.sup.2. The prosthetic material is prepared by mixing organic inflammable particles with a calcium based powder, granulating and then firing the mixture.