ClassID:

121612

D01F6/18 - CPC Classification

Classification description:

Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide

Recent Application in this class:
#1
20260035496
2026-02-05

AQUEOUS PHOTO-INIFERTER POLYMERIZATION OF POLYACRYLONITRILE AND COPOLYMERS THEREOF

#2
20260027545
2026-01-29

COMPOSITIONS AND METHODS FOR FIBROUS POLYMER-MODIFIED LAYERED DOUBLE HYDROXIDE

#3
20250369158
2025-12-04

PROCESS FOR PREPARING A CARBON FIBER PRECURSOR

#4
20250270738
2025-08-28

PROCESS FOR MAKING PURE, BLENDED, AND COAXIAL FIRE-RESISTANT NANOFIBERS

#5
20250236991
2025-07-24

METHOD OF FORMING A FIBER, A FIBER, AND AN ARTICLE COMPRISING ONE OR MORE STRANDS OF FIBERS

#6
20250230583
2025-07-17

PROCESS FOR PREPARING A CARBON FIBER PRECURSOR

#7
20250122649
2025-04-17

Precursor Stabilisation Process

#8
20250075376
2025-03-06

PROCESS FOR PREPARING A CARBON FIBER PRECURSOR

#9
20240392498
2024-11-28

WATER-REPELLENT POLYACRYLONITRILE-BASED ARTIFICIAL HAIR FIBER, METHOD FOR PRODUCING SAME, AND HEAD DECORATION PRODUCT

#10
20240376665
2024-11-14

WATER-REPELLENT POLYACRYLONITRILE-BASED SYNTHETIC HAIR FIBER, METHOD FOR PRODUCING SAME, AND HEADDRESS PRODUCT

#11
20240368830
2024-11-07

ANTIBACTERIAL POLYACRYLONITRILE-BASED SYNTHETIC FIBER, METHOD FOR PRODUCING SAME, AND HEADDRESS PRODUCT

#12
20240360596
2024-10-31

PROCESS FOR PREPARING A CARBON FIBER PRECURSOR

#13
20240344578
2024-10-17

CARBON FIBER CRYSTAL ORIENTATION IMPROVEMENT BY POLYMER MODIFICATION, FIBER STRETCHING AND OXIDATION FOR BRAKE APPLICATION

#14
20240304779
2024-09-12

COMPOSITE FIBER INKS AND ELECTRODES AND APPLICATIONS OF SAME

#15
20240301587
2024-09-12

A PROCESS FOR PRODUCING POLYACRYLONITRILE-BASED FIBER HAVING CONTROLLED MORPHOLOGY

#16
20240125009
2024-04-18

Precursor stabilisation process

#17
20240060215
2024-02-22

COMPOSITE FIBER AND METHOD OF MANUFACTURING SAME

#18
20230349075
2023-11-02

SHARK SKIN BIOMIMETIC FABRICS FOR FUNCTIONAL CLOTHING

#19
20230235485
2023-07-27

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

#20
20230129865
2023-04-27

CARBON FIBER PRECURSOR, METHOD OF PRODUCING CARBON FIBER PRECURSOR, METHOD OF PRODUCING STABILIZED FIBER, AND METHOD OF PRODUCING CARBON FIBER

#21
20230105003
2023-04-06

ADDITIVE FOR FIBER STRENGTHENING

#22
20230087492
2023-03-23

CARBON FIBER, MANUFACTURING METHOD THEREOF, AND CARBON FIBER COMPOSITE MATERIAL

#23
20230022309
2023-01-26

WATER WASHING DEVICE FOR CARBON FIBER FILAMENT AND METHOD OF WATER WASHING

#24
20230001618
2023-01-05

CARBON-FIBER FUEL TANK

#25
20220389631
2022-12-08

FIBER MOLDED BODY FOR SOUND ABSORBING/SOUND INSULATION MATERIALS

#26
20220389630
2022-12-08

METHOD FOR PRODUCING FIBER MOLDED BODY, FIBER MOLDED BODY, SOUND-ABSORBING MATERIAL, VEHICLE INTERIOR MATERIAL AND MICROFIBER

#27
20220282403
2022-09-08

A METHOD OF PREPARING POLY(ACRYLONITRILE) FIBERS AND POLY(ACRYLONITRILE) FIBERS OBTAINABLE THEREWITH

#28
20220274091
2022-09-01

Flow-through aerosol capture device

#29
20220243364
2022-08-04

Integrated and improved process for the production of acrylic fibers

#30
20220186405
2022-06-16

Acrylonitrile-based fiber bundle manufacturing method

#31
20220186403
2022-06-16

Charged nanofibers and methods for making

#32
20220089496
2022-03-24

HIERARCHICAL ORGANIC-INORGANIC COMPOSITES SYNTHESIZED BY ELECTROSPINNING FIBERS WITHIN A NON-CONDUCTIVE AND A CONDUCTIVE PRE-CERAMIC GEL

#33
20220025552
2022-01-27

METHOD OF PRODUCING POLY(ALKYL CYANOACRYLATE) BASED NANO/MICROFIBERS AND USES THEREOF

#34
20210395924
2021-12-23

Method of producing precursor fiber for carbon fiber and carbon fiber

#35
20210189604
2021-06-24

POLY(ACRYLONITRILE-CO-METHYL ACRYLATE) COMPOSITIONS INCLUDING A HINDERED AMINE LIGHT STABILIZER AND METHODS OF MAKING AND USING THE SAME

#36
20210130984
2021-05-06

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

#37
20210115597
2021-04-22

CARBON FIBER AND METHOD OF PRODUCING SAME

#38
20210062372
2021-03-04

Carbon fiber bundle and method of producing carbon fiber bundle

#39
20210040647
2021-02-11

SYNTHETIC FIBER WITH ADDITION OF NATURAL MATERIAL AND METHOD OF ITS PRODUCTION

#40
20210025082
2021-01-28

METHOD OF MANUFACTURING ACRYLONITRILE FIBER BUNDLE AND METHOD OF MANUFACTURING CARBON FIBER BUNDLE

#41
20200407885
2020-12-31

FIBER PRODUCTION METHOD AND CARBON FIBER PRODUCTION METHOD

#42
20200377837
2020-12-03

Biocompatible three-dimensional network and use thereof as a cell support

#43
20200299863
2020-09-24

Continuous wet-spinning process for the fabrication of PEDOT:PSS fibers with high electrical conductivity, thermal conductivity and Young's modulus

#44
20200283932
2020-09-10

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

#45
20200263330
2020-08-20

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

#46
20200248339
2020-08-06

Precursor stabilisation process

#47
20200190705
2020-06-18

CARBON FIBER BUNDLE AND METHOD OF MANUFACTURING SAME

#48
20200190701
2020-06-18

Method for producing acrylonitrile-based fiber

#49
20200141028
2020-05-07

Fiber production method and carbon fiber production method

#50
20200079930
2020-03-12

Additive for fiber strengthening

#51
20200046472
2020-02-13

Method of manufacturing a dental cord

#52
20200002850
2020-01-02

Carbon fiber precursor acrylic fiber, carbon fiber, and method for producing same

#53
20190390370
2019-12-26

Method of producing acrylic fiber bundle and method of producing carbon fiber bundle

#54
20190293139
2019-09-26

Carbon fiber crystal orientation improvement by polymer modification, fiber stretching and oxidation for brake application

#55
20190292685
2019-09-26

Spinnerets and spinneret arrays for electrospinning and electrospinning machines

#56
20190276569
2019-09-12

Process for the production of polyacrylonitrile

#57
20190233985
2019-08-01

FIBER AND WADDING

#58
20190233975
2019-08-01

ACRYLONITRILE SWOLLEN FIBER FOR CARBON FIBER, PRECURSOR FIBER BUNDLE, STABILIZED FIBER BUNDLE, CARBON FIBER BUNDLE AND PRODUCTION METHODS THEREOF

#59
20190226124
2019-07-25

Carbon fiber bundle and method of manufacturing same

#60
20190156810
2019-05-23

FIBER FOR SOUND ABSORBING/INSULATING MATERIAL, USE OF SAID FIBER, MANUFACTURING METHOD FOR FIBER FOR SOUND ABSORBING/INSULATING MATERIAL, AND FIBER-MOLDED PRODUCT FOR SOUND ABSORBING/INSULATING MATERIAL

#61
20190145752
2019-05-16

Highly stretchable strain sensor for human motion monitoring

#62
20190040549
2019-02-07

CARBON FIBER BUNDLE THAT DEVELOPS HIGH MECHANICAL PERFORMANCE

#63
20190040276
2019-02-07

Flame-retardant acrylonitrile polymer for fibre manufacture

#64
20190002309
2019-01-03

Surfactant-assisted synthesis of surface-functionalized nanoparticle-polymer electrospun composites

#65
20180313002
2018-11-01

POROUS CARBON NANOFIBERS AND MANUFACTURING THEREOF

#66
20180282905
2018-10-04

Strong and tough continuous nanofibers

#67
20180265648
2018-09-20

Simplified process for the production of acrylic fibers

#68
20180245244
2018-08-30

PILE FABRIC

#69
20180209072
2018-07-26

Charged nanofibers

#70
20180119311
2018-05-03

ACRYLIC FIBER AND METHOD FOR MANUFACTURING SAME

#71
20180051391
2018-02-22

Spinning nozzle, process for producing fibrous mass, fibrous mass, and paper

#72
20180038014
2018-02-08

Acrylonitrile-containing fiber dyeable with disperse dyes, method for producing same, and fiber product containing same

#73
20180015423
2018-01-18

3D polymer nanofiber membrane composed of 1D individual polymer nanofibers which are quasi-aligned and cross-laminated like grid structure with functions of controlling pore distribution and size, and manufacturing method thereof

#74
20180002834
2018-01-04

Method for producing filaments of polyacrylonitrile and extrusion head for carrying out said method

#75
20170362742
2017-12-21

Manufacture of intermediate modulus carbon fiber

#76
20170233897
2017-08-17

GLOSSY PILLING-RESISTANT ACRYLIC FIBER, METHOD FOR PRODUCING SAME, AND SPUN YARN AND KNITTED FABRIC CONTAINING SAID ACRYLIC FIBER

#77
20160369426
2016-12-22

Use, stabilization and carbonization of polyacrylonitrile/carbon composite fibers

#78
20160355780
2016-12-08

DEFINED THREE DIMENSIONAL MICROENVIRONMENT FOR CELL CULTURE

#79
20160273130
2016-09-22

HIGH-SHRINKAGE ACRYLIC FIBER, SPUN YARN CONTAINING THE SAME, AND STEP PILE FABRIC USING THE SPUN YARN

#80
20160201236
2016-07-14

Flame-retardant fabric, method for producing same and fireprotective clothes comprising same

#81
20160201227
2016-07-14

Porous carbon nanofibers and manufacturing thereof

#82
20160184778
2016-06-30

Functionalization of nanofibrous microfiltration membranes for water purification

#83
20160153121
2016-06-02

Flame resistant polymer, polymer solution, flame resistant fiber, carbon fiber, and methods of producing same

#84
20160151959
2016-06-02

Process for steam drawing carbon-fiber precursor acrylic fiber bundle

#85
20160145772
2016-05-26

POLYACRYLONITRILE-BASED PRECURSOR FIBER FOR CARBON FIBER, AND PRODUCTION METHOD THEREFOR

#86
20160115339
2016-04-28

Methods for the production of poly(cyanoacrylate) fibers

#87
20160069000
2016-03-10

Micro and nanofibers of polysaccharide based materials

#88
20160016345
2016-01-21

Polyacrylonitrile/cellulose nano-structure fibers

#89
20150376815
2015-12-31

Process for producing a fibrous bundle via a spinning nozzle

#90
20150376391
2015-12-31

Process for the production of acrylic fibers

#91
20150252501
2015-09-10

ADVANCED OXIDATION METHOD FOR PRODUCING HIGH-DENSITY OXIDIZED POLYACRYLONITRILE FIBERS

#92
20150243451
2015-08-27

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

#93
20150114262
2015-04-30

Carbon fiber bundle and method of producing carbon fiber bundle

#94
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

#95
20150059578
2015-03-05

Selective water vapour transport membranes comprising a nanofibrous layer and methods for making the same

#96
20150044464
2015-02-12

Method for preparing a nanofiber or non-woven mat

#97
20150037509
2015-02-05

Process of melt-spinning polyacrylonitrile fiber

#98
20150035197
2015-02-05

Process of melt-spinning polyacrylonitrile fiber

#99
20150035196
2015-02-05

Gel spinning process for producing a pan-based precursor fiber

#100
20150035183
2015-02-05

Process of making pan-based carbon fiber

#101
20140364307
2014-12-11

Metal adsorption acrylic fiber, non-woven fabric, sheet-like product, and uses thereof as metal adsorbent

#102
20140302315
2014-10-09

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

#103
20140162063
2014-06-12

Method of fabricating a continuous nanofiber

#104
20140123713
2014-05-08

Apparatus for pressure steam treatment of carbon fiber precursor acryl fiber bundle and method for producing acryl fiber bundle

#105
20140115848
2014-05-01

Method for producing carbon-fiber-precursor acrylic fiber bundle

#106
20140106167
2014-04-17

METHOD FOR HYBRID DRY-JET GEL SPINNING AND FIBER PRODUCED BY THAT METHOD

#107
20130338281
2013-12-19

Carbon-fiber-precursor acrylic fiber bundle with oil composition adhering thereto, process for producing the same, oil composition for carbon-fiber-precursor acrylic fiber, and oil composition dispersion for carbon-fiber-precursor acrylic fiber

#108
20130264733
2013-10-10

Polyacrylonitrile fiber manufacturing method and carbon fiber manufacturing method

#109
20130168312
2013-07-04

FILTERATION MATERIAL FOR DESALINATION

#110
20130130028
2013-05-23

METHOD FOR PREPARING CARBON FIBER PRECURSOR

#111
20130113130
2013-05-09

Method for preparing carbon fiber and precursor fiber for carbon fiber

#112
20120322332
2012-12-20

ADVANCED OXIDATION METHOD FOR PRODUCING HIGH-DENSITY OXIDIZED POLYACRYLONITRILE FIBERS

#113
20120256355
2012-10-11

Method of preparing nanofibers via electro-blown spinning

#114
20120171488
2012-07-05

Method for producing sheets including fibrous aerogel

#115
20120137638
2012-06-07

Packaged carbon fiber precursor tow, and method and device for manufacturing same

#116
20120126442
2012-05-24

PROCESSES FOR PRODUCING POLYACRYLONITRILE-BASE PRECURSOR FIBERS AND CARBON FIBERS

#117
20120088104
2012-04-12

ACRYLONITRILE SWOLLEN FIBER FOR CARBON FIBER, PRECURSOR FIBER BUNDLE, STABILIZED FIBER BUNDLE, CARBON FIBER BUNDLE AND PRODUCTION METHODS THEREOF

#118
20120088103
2012-04-12

CARBON FIBER BUNDLE THAT DEVELOPS HIGH MECHANICAL PERFORMANCE

#119
20120066866
2012-03-22

Process of making a carbon fiber precursor fiber bundle

#120
20120027944
2012-02-02

Process of melt-spinning polyacrylonitrile fiber

#121
20120003471
2012-01-05

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

#122
20110311430
2011-12-22

PROCESS FOR PRODUCTION OF PRECURSOR FIBER FOR PREPARING CARBON FIBER HAVING HIGH STRENGTH AND HIGH ELASTIC MODULUS

#123
20110250449
2011-10-13

Carbon fiber precursor fiber bundle, production method and production device therefor, and carbon fiber and production method therefor

#124
20110243831
2011-10-06

CARBON FIBER PRECURSOR FIBER BUNDLE, PRODUCTION METHOD AND PRODUCTION DEVICE THEREFOR, AND CARBON FIBER AND PRODUCTION METHOD THEREFOR

#125
20110196091
2011-08-11

Modified polyacrylonitrile fiber and method of preparing the same

#126
20110038788
2011-02-17

Carbon-fiber precursor fiber, carbon fiber, and processes for producing these

#127
20110012296
2011-01-20

Method for producing carbon nanofiber supporting metal fine particle

#128
20100324221
2010-12-23

Antistatic acrylic fiber and a method for manufacturing the same

#129
20100278716
2010-11-04

Dispersion containing flame-resistant polymer, flame-resistant fiber, and carbon fiber

#130
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

#131
20100086762
2010-04-08

Solution containing flame-resistant polymer and carbon molding

#132
20100013127
2010-01-21

Manufacturing device and the method of preparing for the nanofibers via electro-blown spinning process

#133
20100003515
2010-01-07

Polyacrylonitrile polymer, method of producing the same, method of producing precursor fiber used for producing carbon fiber, carbon fiber and method of producing the same

#134
20090325449
2009-12-31

Manufacturing device and the method of preparing for the nanofibers via electro blown spinning process

#135
20090253328
2009-10-08

Process for manufacturing organic fibers containing inorganic component and nonwoven fabric containing the same

#136
20090243143
2009-10-01

MODIFIED POLYACRYLONITRILE FIBER AND METHOD OF PREPARING THE SAME

#137
20090214862
2009-08-27

Solution spinning process for the production of a textile fiber material with a permanent repellent action

#138
20090130301
2009-05-21

Apparatus and method for producing electrically conducting nanostructures by means of electrospinning

#139
20090102100
2009-04-23

FIBER FORMATION BY ELECTRICAL-MECHANICAL SPINNING

#140
20090094764
2009-04-16

Glycol based pigment preparation for mass dyeing of polyacrylonitrile fibers

#141
20090053953
2009-02-26

PROCESS FOR THE PRODUCTION OF ACRYLIC FIBRE FOR FABRICS WITH A LOW PILLING FORMATION AND ACRYLIC FIBRES THUS OBTAINED

#142
20080307971
2008-12-18

Filter Medium, Process for Producing the Same, Method of Use Thereof, and Filter Unit

#143
20080299389
2008-12-04

Flame resistant fiber, carbon fiber and production method thereof

#144
20080299160
2008-12-04

Method of Manufacture of Polymer Composites

#145
20080152574
2008-06-26

Oil Agent for Precursor Fiber of Carbon Fiber, Carbon Fiber and Production Method of the Carbon Fiber

#146
20070183960
2007-08-09

Carbon fiber precursor fiber bundle, production method and production device therefor, and carbon fiber and production method therefor

#147
20070142515
2007-06-21

Solution containing flame-resistant polymer and carbon molding

#148
20070126143
2007-06-07

Solution spinning process for the production of a textile fiber material with a permanent repellent action

#149
20070071972
2007-03-29

Textile fibers having soft hand characteristics and methods of making thereof

#150
20060183834
2006-08-17

Polymer for carbon fiber precursor

#151
20060134413
2006-06-22

Amidines as initiators for converting acrylic fibers into carbon fibers

#152
20050251931
2005-11-17

Aqueous liquid formulations of pyrazoline brighteners

#153
20050228110
2005-10-13

Continuous organic and inorganic matrix composite fibrils and methods for their production from carbon nanotubes

#154
20050100501
2005-05-12

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

#155
20050067732
2005-03-31

Manufacturing device and the method of preparing for the nanofibers via electro-blown spinning process