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. 29, 2008
Filed:
Dec. 23, 2002
Xu LI, Osaka, JP;
Youchang Wang, Osaka, JP;
Takashi Okawa, Osaka, JP;
Akio Harada, Osaka, JP;
Yoshikazu Nakayama, Hirakata-city, Osaka, JP;
Xu Li, Osaka, JP;
Youchang Wang, Osaka, JP;
Takashi Okawa, Osaka, JP;
Akio Harada, Osaka, JP;
Yoshikazu Nakayama, Hirakata-city, Osaka, JP;
Daiken Chemical Co., Ltd., Osaka, JP;
Other;
Abstract
A catalyst for manufacturing carbon substances, such as carbon nanotube that has a diameter of 1000 nm or less, the catalyst containing at least iron, cobalt or nickel of a first element group and tin or indium of a second element group. The catalyst can be formed by at least tin and indium in addition to cobalt or nickel. The former catalyst provides a 2-component type catalyst and a multi-component type catalyst that is composed on the basis of the 2-component type catalyst, and the later catalyst provides a 3-component type catalyst and a multi-component type catalyst that is composed on the basis of the 3-component type catalyst.