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:
Nov. 30, 2021
Filed:
Apr. 09, 2020
Applicant:
Korea Institute of Science and Technology, Seoul, KR;
Inventors:
Seokhoon Ahn, Seoul, KR;
Se Gyu Jang, Seoul, KR;
Myung Jong Kim, Seoul, KR;
Hun-Su Lee, Seoul, KR;
Soul-Hee Lee, Seoul, KR;
Min Sung Kang, Seoul, KR;
Sangseok Lee, Seoul, KR;
Yongho Joo, Seoul, KR;
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/064 (2006.01);
U.S. Cl.
CPC ...
C01B 21/0648 (2013.01); C01P 2004/13 (2013.01); C01P 2006/80 (2013.01);
Abstract
Disclosed is a method of purifying boron nitride nanotubes through a simplified process. Specifically, the method includes preparing a starting solution containing boron nitride nanotubes (BNNTs), a dispersant and a solvent, centrifuging the starting solution or allowing the starting solution to stand to collect a supernatant, adding an acid to the supernatant and filtering a resulting product.