ClassID:

85181

C01B2202/30 - CPC Classification

Classification description:

Structure or properties of carbon nanotubes; Nanotubes characterized by their properties Purity

Recent Application in this class:
#1
20260054988
2026-02-26

Catalyst, Catalyst Precursor, Production Process, and Resulting High Purity and Controlled Morphology Carbon Nanotubes

#2
20250214843
2025-07-03

METHOD FOR PRODUCING CARBON NANOTUBES

#3
20250214075
2025-07-03

Method for Catalyst Recovery from Carbon Nanotubes and Use of Recycled Catalyst for CNT Production thereof

#4
20250160190
2025-05-15

Carbon Nanotube Based Radio Frequency Devices

#5
20250033972
2025-01-30

CARBON MATERIAL AND METHOD FOR MANUFACTURING SAME

#6
20250002348
2025-01-02

CARBON NANOTUBE COMPOSITION, CATALYST FOR MANUFACTURING CARBON NANOTUBES, METHOD OF MANUFACTURING CARBON NANOTUBES, AND CARBON NANOTUBES

#7
20240363262
2024-10-31

CARBON NANOTUBE-TO-METAL ASSEMBLIES

#8
20240343583
2024-10-17

AQUEOUS CARBON NANOTUBE DISPERSION

#9
20240228293
2024-07-11

PREPARING METHOD OF CATALYST FOR PREPARING LOW-DIAMETER CARBON NANOTUBE AND PREPARING METHOD OF CARBON NANOTUBE USING SAME

#10
20240132357
2024-04-25

PREPARING METHOD OF CATALYST FOR PREPARING LOW-DIAMETER CARBON NANOTUBE AND PREPARING METHOD OF CARBON NANOTUBE USING SAME

#11
20230339758
2023-10-26

METHOD FOR THE PURIFICATION OF RAW CARBON NANOTUBES

#12
20230102474
2023-03-30

IRON REMOVAL FROM CARBON NANOTUBES AND METAL CATALYST RECYCLE

#13
20220397498
2022-12-15

METHOD FOR PROCESSING SCANNING ELECTRON MICROSCOPE SPECIMEN

#14
20220203320
2022-06-30

Preparation method and preparation system of carbon nanotubes

#15
20220106191
2022-04-07

Carbon nanotube acid purification

#16
20220077392
2022-03-10

Carbon nanotube based radio frequency devices

#17
20210331924
2021-10-28

Method for producing carbon nanotubes

#18
20210198109
2021-07-01

Ultra-long chiral carbon nanotube, method for preparing the same, application thereof, and high-performance photoelectric device

#19
20210107791
2021-04-15

Method for the purification of raw carbon nanotubes

#20
20210078862
2021-03-18

Carbon nanotube growth method

#21
20200109072
2020-04-09

Methods of synthesizing three-dimensional heteroatom-doped carbon nanotube macro materials and compositions thereof

#22
20200062595
2020-02-27

Methods and devices for synthesis of carbon nanotubes

#23
20190322531
2019-10-24

CARBON MATERIAL AND METHOD FOR MANUFACTURING SAME

#24
20190225516
2019-07-25

Methods of synthesizing three-dimensional heteroatom-doped carbon nanotube macro materials and compositions thereof

#25
20190189249
2019-06-20

Control of trion density in carbon nanotubes for electro-optical and opto-electric devices

#26
20190161628
2019-05-30

Fibrous carbon nanostructure dispersion liquid

#27
20190062163
2019-02-28

Vertically aligned multi-walled carbon nanotubes

#28
20190002288
2019-01-03

Fibrous carbon nanostructure dispersion liquid

#29
20180305211
2018-10-25

Carbon Materials Comprising Carbon Nanotubes and Methods of Making Carbon Nanotubes

#30
20180297848
2018-10-18

DEVICE FOR MANUFACTURING ORIENTED CARBON NANOTUBE AGGREGATES

#31
20180175439
2018-06-21

Conductive material for secondary battery, and secondary battery containing same

#32
20170313586
2017-11-02

Carbon nanotube and process for producing the carbon nanotube, and lithium ion secondary battery using the carbon nanotube

#33
20170022587
2017-01-26

Carbon-based nanotube/metal composite and methods of making the same

#34
20160325998
2016-11-10

Catalyst for synthesizing multi-wall carbon nanotubes, method for producing catalyst, and multi-wall carbon nanotubes synthesized by catalyst

#35
20150318069
2015-11-05

Aggregate of carbon nanotubes, and production method therefor

#36
20150093576
2015-04-02

Carbon Nanotubes and Method for Preparing the Same

#37
20140170316
2014-06-19

Device for manufacturing and method for manufacturing oriented carbon nanotube aggregates

#38
20140140916
2014-05-22

System for producing carbon nanotubes from combustion engine exhausts

#39
20130309473
2013-11-21

Carbon materials comprising carbon nanotubes and methods of making carbon nanotubes

#40
20130095314
2013-04-18

Immobilized carbon nanotubes on various surfaces

#41
20130040798
2013-02-14

Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation

#42
20130022531
2013-01-24

Filter and process of use to produce carbon nanotubes from automotive exhausts

#43
20120238021
2012-09-20

Methods of synthesizing three-dimensional heteroatom-doped carbon nanotube macro materials and compositions thereof

#44
20120138148
2012-06-07

Injector for large amount of aerosol powder for synthesis of carbon nanotubes

#45
20120122020
2012-05-17

Single-walled carbon nanotube and aligned single-walled carbon nanotube bulk structure, and their production process, production apparatus and application use

#46
20110127472
2011-06-02

Carbon nanotube assembly and electrically conductive film

#47
20110117365
2011-05-19

Single-walled carbon nanotube and aligned single-walled carbon nanotube bulk structure, and their production process, production apparatus and application use

#48
20110000198
2011-01-06

FILTER AND PROCESS OF USE TO PRODUCE CARBON NANOTUBES FROM AUTOMOTIVE EXHAUSTS

#49
20100303675
2010-12-02

Apparatus for high-efficiency synthesis of carbon nanostructure

#50
20100102281
2010-04-29

CONDUCTIVE FILM AND METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS AND METHOD FOR MANUFACTURING THE SAME

#51
20100080749
2010-04-01

Carbon nanotubes, a method of preparing the same and an element using the same

#52
20100062229
2010-03-11

Aligned single-walled carbon nanotube aggregate, bulk aligned single-walled carbon nanotube aggregate, powdered aligned single-walled carbon nanotube aggregate, and production method thereof

#53
20090326278
2009-12-31

Modified carbon nanoparticles, method for the production thereof and use thereof

#54
20090320571
2009-12-31

Dispersion and separation of nanostructured carbon in organic solvents

#55
20090252887
2009-10-08

System and method for growing nanotubes with a specified isotope composition via ion implantation using a catalytic transmembrane

#56
20090208403
2009-08-20

Novel catalyst to manufacture carbon nanotubes and hydrogen gas

#57
20090134363
2009-05-28

Method for synthesis of carbon nanotubes

#58
20090124705
2009-05-14

Carbon nanotube powder, carbon nanotubes, and processes for their production

#59
20090088582
2009-04-02

Crosslinked carbon nanotube

#60
20080318049
2008-12-25

Single-walled carbon nanotube and aligned single-walled carbon nanotube bulk structure, and their production process, production apparatus and application use

#61
20080175786
2008-07-24

Method for preparing single walled carbon nanotubes

#62
20080107587
2008-05-08

Method for manufacturing single-walled carbon nanotubes

#63
20080049380
2008-02-28

Carbon nanotube film, production process thereof and capacitor using the same

#64
20080008643
2008-01-10

Dispersion and separation of nanostructured carbon in organic solvents

#65
20070258880
2007-11-08

Carbon nanotube structure-selective separation and surface fixation

#66
20070248528
2007-10-25

Method for the Preparation of High Purity Carbon Nanotubes Using Water

#67
20070184267
2007-08-09

Macromolecules auto-assembled and photopolymerised around carbon nanotubes, a method for production and application thereof

#68
20070157347
2007-07-05

Carbon nanotube functionalized with osmium clusters and process for preparing same

#69
20070037370
2007-02-15

Method for high-efficiency synthesis of carbon nanostructure

#70
20060239893
2006-10-26

Method for preparing single walled carbon nanotubes

#71
20060057037
2006-03-16

Producing apparatus and producing method for manufacturing carbon structure

#72
20060005381
2006-01-12

Process for producing carbon nanotubes by arc discharge

#73
20050284337
2005-12-29

Coating composition for electric part and process for forming coating film

#74
20050277675
2005-12-15

Nanocarbon solubilizer, method for purifying same, and method for producing high-purity nanocarbon

#75
20050271648
2005-12-08

Carbon nanotube structure and production method thereof

#76
20050214196
2005-09-29

Method of manufacturing hydrophilic carbon nanotubes

#77
20050061249
2005-03-24

Carbon nanotube manufacturing apparatus and method, and gas decomposer for use in the manufacturing apparatus and method

#78
20050037150
2005-02-17

Sharp end, multi-layer carbon nano-tube radial aggregate and method of manufacturing the aggregate

#79
17749696
2024-09-24

Systems and methods of making carbon nanotubes