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:
Dec. 19, 2023
Filed:
Sep. 04, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Eugene Oh, Daejeon, KR;
Youngjin Yi, Daejeon, KR;
Juhan Kim, Daejeon, KR;
Ji Eun Kim, Daejeon, KR;
Jun Won Choi, Daejeon, KR;
Won Jae Lee, Daejeon, KR;
Ye Hoon Im, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/164 (2017.01); C01B 32/162 (2017.01); D01F 9/127 (2006.01);
U.S. Cl.
CPC ...
C01B 32/164 (2017.08); C01B 32/162 (2017.08); D01F 9/1272 (2013.01); C01P 2004/51 (2013.01); D10B 2401/063 (2013.01);
Abstract
The present invention relates to a method for preparing a carbon nanotube fiber which is a continuous array of carbon nanotube. The present invention enables minimization of rotational flow inside a tube reactor and thus can facilitate enhanced tensile strength of the prepared carbon nanotube fiber.