ClassID:

121694

D01F9/225 - CPC Classification

Classification description:

Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material; Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles from stabilised polyacrylonitriles

Recent Application in this class:
#1
20250347034
2025-11-13

SYSTEMS AND METHODS FOR CONTROLLING CLOSED DIE TOOLING MOVEMENT DURING HEAT TREATMENT OF FIBEROUS PREFORM

#2
20250333881
2025-10-30

CARBON FIBER BUNDLE

#3
20250320637
2025-10-16

CARBON FIBER BUNDLE AND METHOD FOR PRODUCING THE SAME

#4
20250270741
2025-08-28

FLEXIBLE IGNITION RESISTANT NON-ELECTRICALLY CONDUCTIVE BIREGIONAL FIBERS, ARTICLES MADE FROM NON- NON-ELECTRICALLY CONDUCTIVE BIREGIONAL FIBERS, AND METHODS OF MANUFACTURE

#5
20250230583
2025-07-17

PROCESS FOR PREPARING A CARBON FIBER PRECURSOR

#6
20250122649
2025-04-17

Precursor Stabilisation Process

#7
20240401245
2024-12-05

METHOD FOR PRODUCING CARBON FIBER AND CARBON FIBER PRODUCED USING SAME

#8
20240400767
2024-12-05

HYBRID CARBON NANOFIBERS PRODUCTS AND METHODS OF FABRICATING THE SAME

#9
20240360596
2024-10-31

PROCESS FOR PREPARING A CARBON FIBER PRECURSOR

#10
20240309562
2024-09-19

CARBON FIBRE MANUFACTURING

#11
20240301587
2024-09-12

A PROCESS FOR PRODUCING POLYACRYLONITRILE-BASED FIBER HAVING CONTROLLED MORPHOLOGY

#12
20240125009
2024-04-18

Precursor stabilisation process

#13
20240117529
2024-04-11

A PROCESS FOR PRODUCING POLYMER FIBER AND POLYMER FIBER MADE THEREFROM

#14
20240035205
2024-02-01

PRODUCTION METHOD FOR PRECARBONIZED FIBER BUNDLE, PRODUCTION METHOD FOR CARBON FIBER BUNDLE, AND PRECARBONIZATION FURNACE

#15
20240026575
2024-01-25

High strength and high modulus carbon fibers

#16
20230295842
2023-09-21

METHOD OF MAKING POLYACRYLONITRILE BASED CARBON FIBERS AND POLYACRYLONITRILE BASED CARBON FIBER FABRIC

#17
20230235485
2023-07-27

POLYACRYLONITRILE-BASED STABILIZED FIBER, CARBON FIBER, AND MANUFACTURING METHOD THEREFOR

#18
20230082504
2023-03-16

Method for producing carbon fiber

#19
20220290337
2022-09-15

Method for producing carbon fiber bundle

#20
20220282405
2022-09-08

Flexible ignition resistant non-electrically conductive biregional fibers, articles made from non-non-electrically conductive biregional fibers, and methods of manufacture

#21
20220235493
2022-07-28

Plasticized melt spinning process using ionic liquids for production of polyacrylonitrile fibers

#22
20220205144
2022-06-30

Method for producing carbon fiber and carbon fiber produced using same

#23
20220195627
2022-06-23

Process for preparing carbon fibers from low polydispersity polyacrylonitrile

#24
20220186405
2022-06-16

Acrylonitrile-based fiber bundle manufacturing method

#25
20220170183
2022-06-02

Carbon fiber bundle and production method thereof

#26
20220089875
2022-03-24

Treatment agent for carbon fiber precursor and carbon fiber precursor

#27
20220001338
2022-01-06

Porous carbon fiber and fluid separation membrane

#28
20210403624
2021-12-30

PROCESS FOR THE PRODUCTION OF POLYACRYLONITRILE-BASED POLYMERS WITH HIGH CONVERSION

#29
20210395531
2021-12-23

Methods of Using N-Containing Compounds with Carbon Black to Replace Pan and Form Carbon Fibers

#30
20210381133
2021-12-09

METHOD FOR MANUFACTURING PRECURSOR FIBER BUNDLE, METHOD FOR MANUFACTURING CARBON FIBER BUNDLE, AND CARBON FIBER BUNDLE

#31
20210355610
2021-11-18

METHOD AND DEVICE FOR STABILIZING PRECURSOR FIBERS OR FILMS FOR PRODUCING CARBON FIBERS OR FILMS

#32
20210348305
2021-11-11

METHOD OF MANUFACTURING STABILIZED FIBER BUNDLE, AND METHOD OF MANUFACTURING CARBON FIBER BUNDLE

#33
20210310158
2021-10-07

Method for producing flame-proof fiber bundle, and method for producing carbon fiber bundle

#34
20210222330
2021-07-22

Stabilized fiber bundle and method of manufacturing carbon fiber bundle

#35
20210198816
2021-07-01

System for producing carbon fibers from multipurpose commercial fibers

#36
20210189598
2021-06-24

NOVEL CARBON NANOFIBER AND METHOD OF MANUFACTURE

#37
20210130984
2021-05-06

Method for manufacturing acrylonitrile based fiber bundle and method for manufacturing carbon fiber bundle

#38
20210108340
2021-04-15

Method of stabilizing precursor fiber for preparing carbon fiber and method of preparing carbon fiber using the same

#39
20210087717
2021-03-25

Stabilized fiber, method of producing the same, and method of producing carbon fiber

#40
20210062372
2021-03-04

Carbon fiber bundle and method of producing carbon fiber bundle

#41
20210054539
2021-02-25

Optimized process for the preparation of a spinning solution for the production of acrylic fibers precursors of carbon fibers and the relative carbon fibers

#42
20200399790
2020-12-24

Method and device for stabilizing precursor fibers for the production of carbon fibers

#43
20200385892
2020-12-10

CARBON FIBER BUNDLE AND METHOD FOR PRODUCING THE SAME

#44
20200378035
2020-12-03

Method for making high strength and high modulus carbon fibers

#45
20200378034
2020-12-03

Method of producing carbon fiber

#46
20200263330
2020-08-20

Method for manufacturing oxidized fiber bundle, method for manufacturing carbon fiber bundle, and joining apparatus

#47
20200263327
2020-08-20

Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof

#48
20200248339
2020-08-06

Precursor stabilisation process

#49
20200190701
2020-06-18

Method for producing acrylonitrile-based fiber

#50
20200056306
2020-02-20

APPARATUS FOR MANUFACTURING CARBON FIBER BY USING MICROWAVES

#51
20200056303
2020-02-20

Carbon nanofiber and method of manufacture

#52
20200002543
2020-01-02

Methods of Using N-Containing Compounds with Carbon Black to Replace Pan and Form Carbon Fibers

#53
20190382925
2019-12-19

Method of producing carbon fibers from multipurpose commercial fibers

#54
20190375870
2019-12-12

Method of preparing acrylonitrile-based polymer for producing carbon fiber

#55
20190360127
2019-11-28

Apparatus for thermally-stabilizing carbon material precursor and method for thermally-stabilizing carbon material precursor using the same

#56
20190360126
2019-11-28

Continuous method for producing a thermally stabilized multifilament thread, multifilament thread, and fiber

#57
20190292056
2019-09-26

Carbon material precursor, carbon material precursor composition containing the same, and method for producing carbon material using these

#58
20190226124
2019-07-25

Carbon fiber bundle and method of manufacturing same

#59
20190194829
2019-06-27

COAGULATED YARN AND MANUFACTURING METHOD THEREOF, CARBON FIBER PRECURSOR FIBER, AND METHOD OF MANUFACTURING CARBON FIBER

#60
20190153628
2019-05-23

Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof

#61
20190145752
2019-05-16

Highly stretchable strain sensor for human motion monitoring

#62
20190136417
2019-05-09

Carbon fiber bundle

#63
20190100856
2019-04-04

Melt spinnable copolymers from polyacrylonitrile, method for producing fibers or fiber precursors by means of melt spinning, and fibers produced accordingly

#64
20190040551
2019-02-07

Method for manufacturing carbon fibers and fiber joining method

#65
20190002293
2019-01-03

Biobased carbon fibers and carbon black and methods of making the same

#66
20180171511
2018-06-21

Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same

#67
20180155855
2018-06-07

Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof

#68
20180127895
2018-05-10

PROCESS FOR THE PREPARATION OF CARBON FELT ELECTRODES FOR REDOX FLOW BATTERIES AND PROCESS FOR PRODUCING REDOX FLOW BATTERIES

#69
20180051399
2018-02-22

Carbon fiber and method for producing carbon fiber

#70
20170362742
2017-12-21

Manufacture of intermediate modulus carbon fiber

#71
20170362441
2017-12-21

Methods of using N-containing compounds with carbon black to replace pan and form carbon fibers

#72
20170275786
2017-09-28

High strength and high modulus carbon fibers

#73
20170275405
2017-09-28

MELT SPINNABLE COPOLYMERS FROM POLYACRYLONITRILE, METHOD FOR PRODUCING FIBERS OR FIBER PRECURSORS BY MEANS OF MELT SPINNING, AND FIBERS PRODUCED ACCORDINGLY

#74
20170191194
2017-07-06

Method of producing carbon fibers from multipurpose commercial fibers

#75
20170167055
2017-06-15

Carbon fiber compositions and methods of making

#76
20170114478
2017-04-27

Carbon fiber composition including graphene nano-powder and fabrication method for carbon fiber using the same

#77
20170067187
2017-03-09

Carbon fibers, and production method therefor

#78
20170002482
2017-01-05

Process of making polyacrylonitrile fibers

#79
20160369426
2016-12-22

Use, stabilization and carbonization of polyacrylonitrile/carbon composite fibers

#80
20160348283
2016-12-01

Nanocarbon composite carbon fiber with low cost and high performance and their preparation method

#81
20160326672
2016-11-10

PAN-BASED CARBON FIBER AND PRODUCTION METHOD THEREFOR

#82
20160312390
2016-10-27

Low z high performance carbon composite materials

#83
20160258082
2016-09-08

Low temperature stabilization process for production of carbon fiber having structural order

#84
20160244893
2016-08-25

Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same

#85
20160186365
2016-06-30

Densification of polyacrylonitrile fiber

#86
20160160396
2016-06-09

Continuous carbonization process and system for producing carbon fibers

#87
20160151959
2016-06-02

Process for steam drawing carbon-fiber precursor acrylic fiber bundle

#88
20160016345
2016-01-21

Polyacrylonitrile/cellulose nano-structure fibers

#89
20150315727
2015-11-05

Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same

#90
20150299908
2015-10-22

Method for production of carbon fiber bundle

#91
20150243451
2015-08-27

Method for preparing carbon nanofiber composite and carbon nanofiber composite prepared thereby

#92
20150114262
2015-04-30

Carbon fiber bundle and method of producing carbon fiber bundle

#93
20150110705
2015-04-23

Carbon fiber precursor acrylic fiber bundle, method for thermally oxidizing part thereof, thermal oxidation oven, and process for producing carbon fiber bundle

#94
20150094401
2015-04-02

Carbon fiber bundle and method of producing carbon fibers

#95
20150037509
2015-02-05

Process of melt-spinning polyacrylonitrile fiber

#96
20150035196
2015-02-05

Gel spinning process for producing a pan-based precursor fiber

#97
20150035183
2015-02-05

Process of making pan-based carbon fiber

#98
20150024200
2015-01-22

Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same

#99
20140302315
2014-10-09

Lignin/polyacrylonitrile-containing dopes, fibers, and methods of making same

#100
20140265038
2014-09-18

Magneto-carbonization method for production of carbon fiber, and high performance carbon fibers made thereby

#101
20140212663
2014-07-31

Polyacrylonitrile-based copolymer, polyacrylonitrile-based precursor fiber for carbon fiber, carbon fiber bundles, process for producing stabilized fiber bundles, and process for producing carbon fiber bundles

#102
20140151914
2014-06-05

Process for manufacturing carbon fibers

#103
20130295811
2013-11-07

Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof

#104
20130136914
2013-05-30

Preparation method for hollow carbon fiber

#105
20130133819
2013-05-30

Preparation method for hollow carbon fiber using supercritical fluid

#106
20130113130
2013-05-09

Method for preparing carbon fiber and precursor fiber for carbon fiber

#107
20130101494
2013-04-25

Hydrophilic silicone copolymers useful in carbon fiber production

#108
20120288434
2012-11-15

Method for preparing polyacrylonitrile-based polymer for preparation of carbon fiber using microwave and method for preparing carbon fiber using the same

#109
20120181162
2012-07-19

Method for Stabilizing Carbon-Containing Fibre and Method for Producing Carbon Fibre

#110
20120137446
2012-06-07

STABILIZATION OF POLYACRYLONITRILE PRECURSOR YARNS

#111
20120126442
2012-05-24

PROCESSES FOR PRODUCING POLYACRYLONITRILE-BASE PRECURSOR FIBERS AND CARBON FIBERS

#112
20120003471
2012-01-05

Lignin/polyacrylonitrile-containing dopes, fibers, and methods of making same

#113
20110160369
2011-06-30

Pan-based carbon fibers and fabrication method thereof and precursor raw material thereof

#114
20110158895
2011-06-30

High modulus graphitized carbon fiber and method for fabricating the same

#115
20110121227
2011-05-26

Carbon nanotube fibers/filaments formulated from metal nanoparticle catalyst and carbon source

#116
20110104489
2011-05-05

HOLLOW CARBON FIBRES AND PROCESS FOR THEIR PRODUCTION

#117
20110104041
2011-05-05

METHODS AND SYSTEMS FOR HCN REMOVAL

#118
20110059314
2011-03-10

Process of making polyacrylonitrile fibers

#119
20100272978
2010-10-28

CARBON FIBERS AND FILMS AND METHODS OF MAKING SAME

#120
20100266827
2010-10-21

CARBON FIBER AND COMPOSITE MATERIAL USING THE SAME

#121
20100260658
2010-10-14

Method of producing pre-oxidation fiber and carbon fiber

#122
20100254887
2010-10-07

Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same

#123
20100252438
2010-10-07

Carbon fiber strand and process for producing the same

#124
20100143713
2010-06-10

Carbon fiber, process for production of polyacrylonitrile-base precursor fiber for carbon fiber production, and process for production of carbon fiber

#125
20100112322
2010-05-06

CARBON FIBERS AND FILMS AND METHODS OF MAKING SAME

#126
20090277772
2009-11-12

Process for Continous Production of Carbon Fibres

#127
20090263295
2009-10-22

Apparatus and method for oxidation and stabilization of polymeric materials

#128
20090224420
2009-09-10

Process for preparing superior carbon fiber

#129
20090110628
2009-04-30

Method for preparing porous fabrics

#130
20080118427
2008-05-22

Carbon fibers having improved strength and modulus and an associated method and apparatus for preparing same

#131
20070196648
2007-08-23

Carbon fiber, process for production thereof, prepregs, and golf club shafts

#132
20070184348
2007-08-09

Carbon fiber

#133
20050100501
2005-05-12

Macroscopic fiber comprising single-wall carbon nanotubes and acrylonitrile-based polymer and process for making the same

#134
17809059
2023-05-09

Method for fabricating a hybrid carbon nanofiber product