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:
Mar. 26, 2013
Filed:
Jun. 16, 2009
Applicants:
Eiji Kambara, Kawasaki, JP;
Akihiro Kitazaki, Kawasaki, JP;
Inventors:
Eiji Kambara, Kawasaki, JP;
Akihiro Kitazaki, Kawasaki, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F 9/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing a carbon fiber, comprising a step of dissolving or dispersing [I] a compound containing Co element; [II] a compound containing at least one element selected from the group consisting of Ti, V, Cr, and Mn; and [III] a compound containing at least one element selected from the group consisting of W and Mo in a solvent to obtain a solution or a fluid dispersion, a step of impregnating a particulate carrier with the solution or the fluid dispersion to prepare a catalyst, and a step of bringing a carbon source into contact with the catalyst in a vapor phase.