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. 15, 1990
Filed:
Feb. 15, 1989
Applicant:
Inventors:
Toshihiko Tani, Aichi, JP;
Shigetaka Wada, Mie, JP;
Assignee:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ;
U.S. Cl.
CPC ...
501 90 ; 501 95 ; 501 99 ;
Abstract
A high-toughness silicon carbide composite ceramic comprising silicon carbide, 5 to 50 vol % of graphite whiskers, and sintering aid, and a method for producing the composite ceramic. The composite ceramic has high-temperature strength and fracture toughness value, and also has electrical conductivity.