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:
Jul. 10, 1990
Filed:
Mar. 20, 1989
Applicant:
Inventors:
Masakazu Adachi, Nagoya, JP;
Kaname Fukao, Inuyama, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 65 ; 264 66 ; 264 67 ;
Abstract
A non-oxide ceramic sintered body is produced by calcining, before sintering, a non-oxide ceramic shaped body in an atmosphere having a particular partial oxygen pressure.