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:
Sep. 01, 1987
Filed:
Nov. 18, 1985
Applicant:
Inventors:
Tohru Kida, Chigasaki, JP;
Motohiro Yamamoto, Fujisawa, JP;
Assignee:
Tokai Carbon Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423345 ;
Abstract
The present invention provides a process for preparing silicon carbide whiskers. According to the process, carbon black having the following properties (a) to (c) is blended, as a carbonaceous material, with a silicon source material, and the resulting mixture is heated in a non-oxidizing atmosphere at 1,300.degree. to 1,800.degree. C.