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:
Feb. 21, 2006
Filed:
Oct. 04, 2002
Soichiro Kawakami, Nara, JP;
Tomoya Yamamoto, Fukui, JP;
Hitomi Sano, Kyoto, JP;
Atsushi Tani, Shizuoka, JP;
Soichiro Kawakami, Nara, JP;
Tomoya Yamamoto, Fukui, JP;
Hitomi Sano, Kyoto, JP;
Atsushi Tani, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for producing fullerenes, characterized in that said method includes a step (a) of contacting an aromatic compound-containing starting material with a supercritical fluid or a subcritical fluid in the presence of a transition metal element-containing catalyst at a temperature in a range of from 350 to 800° C. and at a pressure in a range of from 3 to 50 MPa. Said supercritical fluid or said subcritical fluid is formed from one or more kinds of materials selected from the group consisting of an aromatic compound as said starting material, a solvent for said aromatic compound, a solvent for said catalyst, water, dinitrogen monoxide, and ammonia.