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:
Jul. 12, 2005
Filed:
Oct. 04, 2004
Applicants:
Hitoshi Nishino, Kawachinagano, JP;
Haruyuki Nakaoka, Kishiwada, JP;
Katsuhide Okimi, Sakai, JP;
Ryoichi Nishida, Ikoma, JP;
Takeo Matsui, Yawata, JP;
Inventors:
Hitoshi Nishino, Kawachinagano, JP;
Haruyuki Nakaoka, Kishiwada, JP;
Katsuhide Okimi, Sakai, JP;
Ryoichi Nishida, Ikoma, JP;
Takeo Matsui, Yawata, JP;
Assignee:
Osaka Gas Company Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01B001/04 ; C01B031/02 ;
U.S. Cl.
CPC ...
Abstract
Disclosed are an iron-carbon composite in which 10 to 90% of the internal space of a nanoflake carbon tube or a nested multi-walled carbon nanotube is filled with iron carbide or iron; a carbonaceous material containing such iron-carbon composites; and a process for preparing the same. The iron-carbon composite is useful for electron emitting materials and other applications.