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.

Date of Patent:
Apr. 25, 2017

Filed:

Jan. 10, 2014
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Kwang-Hyun Chang, Daejeon, KR;

Jin-Do Kim, Daejeon, KR;

Kwang-Woo Yoon, Suwon-si, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/04 (2006.01); B01J 8/10 (2006.01); B01J 8/00 (2006.01); B01J 8/02 (2006.01); B01J 8/24 (2006.01); C01B 31/02 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); B01D 45/12 (2006.01);
U.S. Cl.
CPC ...
B01J 8/10 (2013.01); B01D 45/12 (2013.01); B01J 8/006 (2013.01); B01J 8/0055 (2013.01); B01J 8/025 (2013.01); B01J 8/24 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01B 31/024 (2013.01); B01J 2208/0053 (2013.01); B01J 2208/00176 (2013.01); B01J 2208/00274 (2013.01); B01J 2208/00548 (2013.01);
Abstract

Disclosed are an apparatus and method for continuously producing carbon nanotubes. More specifically, disclosed are an apparatus for continuously producing carbon nanotubes including i) a reactor to synthesize carbon nanotubes, ii) a separator to separate a mixed gas from the carbon nanotubes transferred from the reactor, iii) a filter to remove all or part of one or more component gases from the separated mixed gas, and iv) a recirculation pipe to recirculate the filtered mixed gas to the reactor for carbon nanotubes. Advantageously, the apparatus and method for continuously producing carbon nanotubes enable rapid processing, exhibit superior productivity and excellent conversion rate of a carbon source, significantly reduce production costs, reduce energy consumption due to decrease in reactor size relative to capacity, and generate little or no waste gas and are thus environmentally friendly.


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Chang, Kwang-Hyun. (2017). Apparatus and method for continuously producing carbon nanotubes (U.S. Patent No. 9630160). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9630160

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