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.:

US 8192714 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 05, 2012

Filed:

Aug. 03, 2009
Applicants:

Kazuchika Ohta, Nagano, JP;

Ick-soo Kim, Nagano, JP;

Byoung-suhk Kim, Nagano, JP;

Jongchul Park, Seoul, KR;

Inventors:

Kazuchika Ohta, Nagano, JP;

Ick-Soo Kim, Nagano, JP;

Byoung-Suhk Kim, Nagano, JP;

Jongchul Park, Seoul, KR;

Assignee:

Shinshu University, Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/12 (2006.01); B01J 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for manufacturing carbon nanotubes of the present invention includes the steps of: preparing at least one metal selected from a group consisting of iron, cobalt and nickel and an organic compound: and forming carbon nanotubes by using the organic compound as a carbon source, wherein the metal and the organic compound are put into a heating vessel having a substance capable of converting electromagnetic energy into heat, and the organic compound is brought into contact with the metal in a state where the inside of the heating vessel is heated at a temperature of 600° C. to 900° C. by applying the electromagnetic energy to the heating vessel so as to form the carbon nanotubes.


Find Patent Forward Citations

Ohta, Kazuchika. (2012). Method for manufacturing carbon nanotubes (U.S. Patent No. 8192714). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8192714

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