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. 03, 1988
Filed:
Jun. 18, 1985
Applicant:
Inventors:
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C01B / ;
U.S. Cl.
CPC ...
501 88 ; 423345 ; 501 89 ; 501 90 ;
Abstract
A process for producing a normal sintered cubic silicon carbide which comprises sintering cubic silicon carbide powder made up of crystallites of more than 480 .ANG. in size determined from the reflection in the (4 2 0) plane measured by the powder X-ray diffraction method.