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. 24, 1977
Filed:
Aug. 05, 1974
Applicant:
Inventors:
Kazuo Kobayashi, Kawaguchi, JA;
Shiroh Ohmori, Kawaguchi, JA;
Tetsuhiko Hasuda, Kawaguchi, JA;
Minoru Shiraishi, Kawaguchi, JA;
Satoshi Arai, Kawaguchi, JA;
Assignee:
Agency of Industrial Science & Technology, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
428402 ; 210 40 ; 210D / ; 252421 ; 252445 ; 264 291 ; 264 44 ; 423445 ;
Abstract
Disclosed are graphitized hollow spheres and a method for the manufacture thereof which comprises coating a spherical core of foamed polystyrene with carbonaceous powder and a binder, heating the coated core under controlled conditions to decompose the spherical core of foamed polystyrene, and further heating the resultant carbonaceous body at a high temperature.