ClassID:

121622

D01F6/38 - CPC Classification

Classification description:

Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising unsaturated nitriles as the major constituent

Recent Application in this class:
#1
20250341031
2025-11-06

MELT SPINNING LIGNIN/ACRYLIC FIBERS

#2
20250215619
2025-07-03

CARBON FIBER WITH IMPROVED TENSILE PROPERTIES FORMED FROM PAN-BASED FIBER WITH CERTAIN CHEMICAL SIGNATURE

#3
20250011511
2025-01-09

POLYMER FOR THE PRODUCTION OF CARBON FIBERS AND CARBON FIBERS MADE THEREFROM

#4
20240125008
2024-04-18

Method of preparing PAN-based carbon fibers

#5
20230357960
2023-11-09

Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same

#6
20230357959
2023-11-09

Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same

#7
20230233967
2023-07-27

AIR FILTRATION MATERIAL, FILTERS COMPRISING THE SAME AND METHOD FOR MANUFACTURING THE SAME

#8
20230160108
2023-05-25

High-speed process for producing acrylic fibers and relative apparatus

#9
20230059080
2023-02-23

NANOFIBER FOR AIR FILTER COMPRISING RANDOM COPOLYMER HAVING ZWITTERIONIC FUNCTIONAL GROUP AND METHOD FOR MANUFACTURING SAME

#10
20220380946
2022-12-01

Single-step process for the production of a carbon fiber precursor

#11
20210381133
2021-12-09

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

#12
20210284774
2021-09-16

Polymer for the production of carbon fibers and carbon fibers made therefrom

#13
20210164130
2021-06-03

Acrylic fiber for artificial hair, and head decoration product including same

#14
20210130984
2021-05-06

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

#15
20210062372
2021-03-04

Carbon fiber bundle and method of producing carbon fiber bundle

#16
20200317977
2020-10-08

ARTICLES CONTAINING FUNCTIONAL POLYMERIC PHASE CHANGE MATERIALS AND METHODS OF MANUFACTURING THE SAME

#17
20200291158
2020-09-17

Method for producing thermally stable melt-spinnable pan copolymers, pan copolymers, molded bodies made thereof, and a method for producing said molded bodies

#18
20200263327
2020-08-20

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

#19
20200190701
2020-06-18

Method for producing acrylonitrile-based fiber

#20
20200157264
2020-05-21

Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same

#21
20190360126
2019-11-28

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

#22
20190344490
2019-11-14

Extruded polyacrylonitrile copolymer

#23
20190194829
2019-06-27

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

#24
20190186051
2019-06-20

Method for producing a multifilament yarn

#25
20190153628
2019-05-23

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

#26
20190153194
2019-05-23

Carbon fiber precursor composition and method for preparing carbon fiber precursor

#27
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

#28
20180265648
2018-09-20

Simplified process for the production of acrylic fibers

#29
20180258210
2018-09-13

Method of forming a composite nanoparticle for nanofibers from a poly-(acrylonitrile-co-itaconic acid) poly 3-methoxythipohene (P(AN-co-IA)-PMOT) nano composite solution

#30
20180155855
2018-06-07

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

#31
20180116322
2018-05-03

Acrylic fiber for artificial hair, manufacturing method therefor and head accessory containing same

#32
20180038014
2018-02-08

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

#33
20180014594
2018-01-18

Acrylic fiber for artificial hair, method for producing same, and head decoration product comprising same

#34
20170362742
2017-12-21

Manufacture of intermediate modulus carbon fiber

#35
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

#36
20170189914
2017-07-06

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#37
20170167055
2017-06-15

Carbon fiber compositions and methods of making

#38
20170002482
2017-01-05

Process of making polyacrylonitrile fibers

#39
20160376151
2016-12-29

Partially cyclized polyacrylonitrile polymer, polyacrylonitrile flame-resistant polymer, polyacrylonitrile flame-resistant fiber, carbon fiber, and preparation methods thereof

#40
20160201236
2016-07-14

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

#41
20160177157
2016-06-23

Articles containing functional polymeric phase change materials and methods of manufacturing the same

#42
20160151959
2016-06-02

Process for steam drawing carbon-fiber precursor acrylic fiber bundle

#43
20150376391
2015-12-31

Process for the production of acrylic fibers

#44
20150259480
2015-09-17

PROCESS FOR PRODUCING ACRYLONITRILE-BASED POLYMER SOLUTION, SHEARING DEVICE, PROCESS FOR PRODUCING ACRYLONITRILE-BASED FIBER, AND PROCESS FOR PRODUCING CARBON FIBER

#45
20150252501
2015-09-10

ADVANCED OXIDATION METHOD FOR PRODUCING HIGH-DENSITY OXIDIZED POLYACRYLONITRILE FIBERS

#46
20150240386
2015-08-27

Method for manufacturing pile fabric

#47
20150191854
2015-07-09

HALOGEN-CONTAINING FLAME-RETARDANT FIBERS, METHOD FOR PRODUCING SAME, AND FLAME-RETARDANT FIBER PRODUCT USING SAME

#48
20150137415
2015-05-21

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#49
20150114262
2015-04-30

Carbon fiber bundle and method of producing carbon fiber bundle

#50
20150110957
2015-04-23

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#51
20150094401
2015-04-02

Carbon fiber bundle and method of producing carbon fibers

#52
20150044125
2015-02-12

Acrylic-fiber finish for carbon-fiber production, acrylic fiber for carbon-fiber production, and carbon-fiber production method

#53
20140364307
2014-12-11

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

#54
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

#55
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

#56
20130295811
2013-11-07

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

#57
20130281650
2013-10-24

Process of Making Polyacrylontrile Fibers

#58
20130216830
2013-08-22

Porous electrospun fiber and preparation method thereof

#59
20130130028
2013-05-23

METHOD FOR PREPARING CARBON FIBER PRECURSOR

#60
20130101494
2013-04-25

Hydrophilic silicone copolymers useful in carbon fiber production

#61
20130082425
2013-04-04

Process of using metal-coated nanofibres

#62
20120322332
2012-12-20

ADVANCED OXIDATION METHOD FOR PRODUCING HIGH-DENSITY OXIDIZED POLYACRYLONITRILE FIBERS

#63
20120319315
2012-12-20

Polyacrylonitrile-based polymer solution, preparing method of the same, carbon fiber precursor, manufacturing method of the same and manufacturing method of carbon fiber using the same

#64
20120318731
2012-12-20

BIOFUNCTIONALIZED MICROFILTRATION OR ULTRAFILTRATION MEMBRANE

#65
20120256355
2012-10-11

Method of preparing nanofibers via electro-blown spinning

#66
20120248641
2012-10-04

Acrylonitrile-silazane copolymers, especially in fiber form, process for preparation thereof and use thereof

#67
20120097035
2012-04-26

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#68
20110201240
2011-08-18

Metal coated nano fibres

#69
20110196091
2011-08-11

Modified polyacrylonitrile fiber and method of preparing the same

#70
20110160369
2011-06-30

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

#71
20110130503
2011-06-02

Acrylonitrile copolymer and method for producing the same, acrylonitrile copolymer solution and polyacrylonitrile precursor fiber for carbon fiber and method for producing the same

#72
20110124810
2011-05-26

MODIFIED POLYACRYLONITRILE FIBER AND METHOD OF PREPARING THE SAME

#73
20110059314
2011-03-10

Process of making polyacrylonitrile fibers

#74
20100324221
2010-12-23

Antistatic acrylic fiber and a method for manufacturing the same

#75
20100015869
2010-01-21

Articles containing functional polymeric phase change materials and methods of manufacturing the same

#76
20100013127
2010-01-21

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

#77
20090325449
2009-12-31

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

#78
20090278074
2009-11-12

Stable Suspensions Containing Microcapsules and Methods for Preparation Thereof

#79
20090259010
2009-10-15

MODIFIED POLYACRYLONITRILE FIBER AND METHOD OF PREPARING THE SAME

#80
20090243143
2009-10-01

MODIFIED POLYACRYLONITRILE FIBER AND METHOD OF PREPARING THE SAME

#81
20090224420
2009-09-10

Process for preparing superior carbon fiber

#82
20080217807
2008-09-11

COMPOSITE FIBER FILTER COMPRISING NAN0-MATERIALS, AND MANUFACTURING METHOD AND APPARATUS THEREOF

#83
20080118672
2008-05-22

Acrylic fiber having excellent appearance properties and pile fabric

#84
20070298210
2007-12-27

Pile Fabric With Height Difference and Method for Manufacturing the Same

#85
20070218281
2007-09-20

Metal coated nano fibres

#86
20070215847
2007-09-20

Flame Retardant Synthetic Fiber and Flame Retardant Textile Product Using the Same

#87
20070155901
2007-07-05

Acrylic shrinkable fiber

#88
20070074353
2007-04-05

Step pile fabric and process for producing the same

#89
20060134413
2006-06-22

Amidines as initiators for converting acrylic fibers into carbon fibers

#90
20050131125
2005-06-16

Discoloration inhibitor for metals

#91
20050100501
2005-05-12

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

#92
20050067732
2005-03-31

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

#93
20050019562
2005-01-27

Highly shrinkable acrylic fiber, pile compositions containing the same and napped fabrics made by using the compositions