Invention Grant
- Patent Title: Method of purifying carbon nanotubes
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Application No.: US15694213Application Date: 2017-09-01
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Publication No.: US10703632B2Publication Date: 2020-07-07
- Inventor: Yeon Hwa La , Ji Min Kim , Min Ji Sung , Woong Chul Shin
- Applicant: SK INNOVATION CO., LTD. , SK GLOBAL CHEMICAL CO., LTD.
- Applicant Address: KR Seoul
- Assignee: SK INNOVATION CO., LTD.
- Current Assignee: SK INNOVATION CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: Abelman, Frayne & Schwab
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@37a0f1ee
- Main IPC: C01B32/17
- IPC: C01B32/17 ; B82Y30/00 ; B82Y40/00
Abstract:
Disclosed is a method of purifying carbon nanotubes, including treating carbon nanotubes with an inert gas at a high temperature in a low vacuum in a reactor and obtaining ultrapure carbon nanotubes, wherein the ultrapure carbon nanotubes contain 50 ppm or less of each metal remaining therein.
Public/Granted literature
- US20180065855A1 METHOD OF PURIFYING CARBON NANOTUBES Public/Granted day:2018-03-08
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