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:
Oct. 27, 1987
Filed:
Apr. 08, 1986
Applicant:
Inventors:
Yasuo Kurachi, Kodaira, JP;
Katsuhiko Arai, Iruma, JP;
Hiroaki Wada, Tokyo, JP;
Yoji Watabe, Hachioji, JP;
Sanae Irako, Higashimurayama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423345 ; 423439 ;
Abstract
In a method of producing silicon carbide by heating starting materials comprising siliceous material and carbonaceous material in a non-oxidizing atmosphere, those ingredients contained in gases evolved upon heating and solidified at a low temperature into impurities for silicon carbide are eliminated from the atmosphere during heating.