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. 08, 2012
Filed:
Mar. 08, 2007
Jiayi Shan, Tokyo, JP;
Takayuki Tsukada, Tokyo, JP;
Fuminori Munekane, Tokyo, JP;
Hodogaya Chemical Co., Ltd, Tokyo, JP;
Abstract
Disclosed is a fine carbon fibrous structure which comprises carbon fibers and granular parts, wherein at least two granular parts connect by at least one of the carbon fibers; wherein the fine carbon fibrous structure have a D/Dratio of 1.3 to 10, wherein the Dis the median diameter of outer diameters of the carbon fibers and the Dis the area-based circle-equivalent median diameter of the particles; wherein the granular parts have a Dof 0.05 to 0.4 μm; wherein the carbon fibers have a median length of not more than 20 μm; wherein the granular parts are produced in a growth process of the carbon fibers; and wherein at least a graphene layer which exists on and constitutes the surface of each granular part is continued on a graphene layer which exists on and constitutes the surface of the carbon fiber which connects between the granular parts.