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. 19, 1992
Filed:
Dec. 28, 1988
Applicant:
Inventors:
Yoshio Sohda, Kawasaki, JP;
Yasuzi Ido, Yokohama, JP;
Toshinori Nakamura, Kobe, JP;
Takeshi Suemitsu, Kobe, JP;
Assignees:
Kawasaki Heavy Industries, Ltd., Hyogo, JP;
Nippon Oil Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
264 292 ; 264 291 ; 264 295 ; 264500 ; 264510 ;
Abstract
A carbon/carbon composites is produced by impregnating a tow of carbon filaments with a carbonaceous pitch, placing the impregnated tow in an open container, then subjecting it to a heat treatment under hot isostatic pressing.