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:
Aug. 12, 1997
Filed:
Jun. 01, 1995
Applicant:
Inventors:
Mikio Sakaguchi, Wakayama, JP;
Kazuhiro Otsuka, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
264 297 ; 264 12 ; 264 291 ; 264661 ; 501 90 ; 501 99 ; 423345 ; 423346 ;
Abstract
A process for producing a carbon-filled ceramic composite material comprising a ceramic matrix and a carbon domain dispersed therein with a carbon domain diameter of from 0.01 to 30 .mu.m and a carbon domain area ratio of from 5 to 70%; comprising the steps of mixing ceramic powder, sintering aids and a carbon source, calcining the mixture at 300.degree.-600.degree. C., granulating the mixture, molding and sintering.