ClassID:

121643

D01F6/74 - CPC Classification

Classification description:

Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles

Recent Application in this class:
#1
20250122650
2025-04-17

Graphitization of Electrospun Polyimide Nanofiber

#2
20250084565
2025-03-13

THERMALLY INSULATING AEROGEL COMPOSITE FIBER

#3
20240254662
2024-08-01

AEROGEL FIBER

#4
20240240365
2024-07-18

Graphitization of Electrospun Polyimide Nanofiber

#5
20240018694
2024-01-18

POLYPHENYLENE SULFIDE MONOFILAMENT AND METHOD OF PRODUCING THE SAME, AND FIBER PACKAGE

#6
20230263253
2023-08-24

FIBERS FOR ARTIFICIAL HAIR AND HEADDRESS PRODUCT

#7
20230167588
2023-06-01

METHOD OF PREPARING CARBON COMPOSITE FIBER AND CARBON COMPOSITE FIBER

#8
20230059885
2023-02-23

High-whiteness polyimide microfiber and preparation method thereof and use

#9
20220064462
2022-03-03

Polymer filaments comprising an aqueous-soluble imide polymer and use thereof as a sacrificial printing material in additive manufacturing

#10
20220033996
2022-02-03

Spun ABPBI fibers and process for preparing the same

#11
20210262121
2021-08-26

METHOD OF MXENE FIBER AND MXENE FIBER MANUFACTURED THEREFROM

#12
20210102321
2021-04-08

MELTBLOWN NONWOVEN FABRIC

#13
20200384159
2020-12-10

Electrospinning with sacrificial template for patterning fibrous constructs

#14
20200378036
2020-12-03

Carbon-Fiber Precursor Fiber, Carbon Fiber, and Method for Producing Carbon Fiber

#15
20200056305
2020-02-20

Method for producing a polybenzimidazole carbon fiber

#16
20190390369
2019-12-26

Electrospinning Polyimide Nanofiber High-Temperature Filter Material

#17
20190359773
2019-11-28

METHOD FOR PRODUCING A POLYBENZAZOL POLYMER (P)

#18
20190328250
2019-10-31

METHOD OF MANUFACTURING NERVE ELECTRODE

#19
20190226122
2019-07-25

COLORED ORGANIC FIBER, CLOTH, AND GARMENTS, AND METHOD FOR PRODUCING CLOTH

#20
20190181409
2019-06-13

HIGH TEMPERATURE MELT INTEGRITY BATTERY SEPARATORS VIA SPINNING

#21
20190177483
2019-06-13

METHOD FOR PRODUCING POLYIMIDES

#22
20180282907
2018-10-04

POLYMIDE FIBER AND PREPARATION METHOD THEREOF

#23
20180251916
2018-09-06

Phosphonated PBI fiber

#24
20180251915
2018-09-06

Method of making a phosphonated PBI fiber

#25
20180251914
2018-09-06

POLYMIDE FIBER AND PREPARATION METHOD THEREOF

#26
20180245245
2018-08-30

Sulfur and alkali metal containing imidazole fiber having ionically bound halides

#27
20180244891
2018-08-30

Sulfur-containing imidazole fiber having ionically bonded halides

#28
20180187353
2018-07-05

NONWOVEN FABRIC AND METHOD FOR PRODUCING THE SAME

#29
20180155854
2018-06-07

Polymer-based nanostructured materials with tunable properties and methods of making thereof

#30
20180155498
2018-06-07

Thermoplastic (co)polyimides and synthesis methods

#31
20180105957
2018-04-19

Process for making composites comprising rigid-rod polymers and graphene nanoparticles

#32
20180094362
2018-04-05

NANOFIBER STRUCTURE

#33
20180002838
2018-01-04

Synthetic threads and materials and garments produced therewith

#34
20170370024
2017-12-28

SEMI-METALLIC, STRONG CONDUCTIVE POLYMER MICROFIBER, METHOD AND FAST RESPONSE RATE ACTUATORS AND HEATING TEXTILES

#35
20170349699
2017-12-07

Polyphenylene fibers and corresponding fabrication methods

#36
20170342214
2017-11-30

Polyimide solution, heat-resistant non-woven fabric, and method for manufacturing same

#37
20170327973
2017-11-16

Carbon-Fiber Precursor Fiber, Carbon Fiber, and Method for Producing Carbon Fiber

#38
20170283990
2017-10-05

Polyimide fiber and method for producing polyimide fiber

#39
20170191191
2017-07-06

Polyetherimide-based fiber, method for manufacturing same, and fiber structure containing same

#40
20170189866
2017-07-06

Mixed Matrix Hollow Fiber Membranes

#41
20170152612
2017-06-01

POLYBENZIMIDAZOLE CARBON FIBER AND METHOD FOR MANUFACTURING SAME

#42
20170072105
2017-03-16

Electrospinning with sacrificial template for patterning fibrous constructs

#43
20170037543
2017-02-09

COLORED ORGANIC FIBER, CLOTH, AND GARMENTS, AND METHOD FOR PRODUCING CLOTH

#44
20170030009
2017-02-02

POROUS SUPPORT, PREPARATION METHOD THEREFOR, AND REINFORCED MEMBRANE CONTAINING SAME

#45
20170009383
2017-01-12

Phosphonated PBI fiber

#46
20160348281
2016-12-01

Process of making battery separators via spinning

#47
20160305044
2016-10-20

FIBERS, COMPOSITION FOR PRODUCING FIBERS, AND BIOMATERIAL CONTAINING FIBERS

#48
20160177062
2016-06-23

Polyimide resin composition, and (polyimide resin)-fiber composite material

#49
20160168329
2016-06-16

Polyimide resin

#50
20160145782
2016-05-26

Flame retardant nonwoven fabric, formed product, and composite stack

#51
20160145774
2016-05-26

Manufacturing method for transparent fiber

#52
20150337461
2015-11-26

Crystallizable Polyetherimides, Method of Manufacture, and Articles Derived Therefrom

#53
20150322593
2015-11-12

Precursor fiber for carbon fibers, carbon fiber, and method for producing carbon fiber

#54
20150315725
2015-11-05

Flame-retardant fiber, method for producing same, fabric using flame-retardant fiber, and resin composite material using flame-retardant fiber

#55
20150239856
2015-08-27

4-(5-amino-6-hydroxybenzoxazol-2-yl) ammonium benzoate and preparation method and use thereof

#56
20150218730
2015-08-06

Composites comprising rigid-rod polymers and graphene nanoparticles and process for making the same

#57
20150167199
2015-06-18

Method for producing article

#58
20150144844
2015-05-28

Composites incorporated a conductive polymer nanofiber network

#59
20150114582
2015-04-30

Sheets and fibrids comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole

#60
20150113714
2015-04-30

Fiber comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole

#61
20150087750
2015-03-26

Method for producing cellulose nanofiber, cellulose nanofiber, master batch, and resin composition

#62
20150079376
2015-03-19

Polyetherimides, methods of manufacture, and articles formed therefrom

#63
20150069654
2015-03-12

Method of producing an amorphous polyetherimide fiber and heat-resistant fabric

#64
20150021812
2015-01-22

Process for preparing yarn derived from aramid copolymer fiber having low residual sulfur

#65
20140357834
2014-12-04

Aramid copolymer yarn having low residual sulfur

#66
20140357831
2014-12-04

Method of making polybenzimidazole

#67
20140356611
2014-12-04

Sulfur and alkali metal containing imidazole fiber having ionically bound halides

#68
20140356610
2014-12-04

Sulfur-containing imidazole fiber having ionically bonded halides

#69
20140213739
2014-07-31

Solventless process for the preparation of amine functional polyetherimide resins with improved melt flow

#70
20140167329
2014-06-19

High temperature melt integrity battery separators via spinning

#71
20130260125
2013-10-03

Polyetherimides, methods of manufacture, and articles formed therefrom

#72
20130183525
2013-07-18

Methods of preparing polyimide fibers with kidney-shaped cross-sections

#73
20130164629
2013-06-27

Polymide blend nanofiber and its use in battery separator

#74
20130108854
2013-05-02

Solventless process for the preparation of amine functional polyetherimide resins with improved melt flow

#75
20130018148
2013-01-17

Copolymer fibers and processes for making same

#76
20130014329
2013-01-17

Copolymer fibers and processes for making same

#77
20130012681
2013-01-10

2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS

#78
20120285673
2012-11-15

NANOSTRUCTURED COMPOSITE POLYMER THERMAL/ELECTRICAL INTERFACE MATERIAL AND METHOD FOR MAKING THE SAME

#79
20120280177
2012-11-08

ORGANIC FIBER FOR SOLAR PANEL AND PHOTOLUMINESCENT ELEMENT AND MATERIAL FOR PREPARING THE SAME

#80
20120241115
2012-09-27

Polyimide short fibers and heat-resistant paper comprising same

#81
20120228797
2012-09-13

Methods of continuously manufacturing polymide fibers

#82
20120224897
2012-09-06

Fuser topcoat comprising electrospun non-woven polymer nanofabrics

#83
20120128976
2012-05-24

Thermoset resin fibres

#84
20120122011
2012-05-17

Nano-fibers for electrical power generation

#85
20120067208
2012-03-22

Method of making a crosslinked fiber membrane from a high molecular weight, monoesterified polyimide polymer

#86
20120048107
2012-03-01

Methods of preparing a crosslinked fiber membrane

#87
20120015184
2012-01-19

Amorphous polyetherimide fiber and heat-resistant fabric

#88
20110316181
2011-12-29

PROCESS OF MAKING ASYMMETRIC POLYBENZOXAZOLE MEMBRANES

#89
20110290112
2011-12-01

High permeance polyimide membranes for air separation

#90
20110269857
2011-11-03

POLYMER AND METHOD OF PREPARING THE SAME

#91
20110266503
2011-11-03

Spinning, doping, dedoping and redoping polyaniline fiber

#92
20110263729
2011-10-27

Fiber or foil from polymers with high Tand process for their manufacture

#93
20110144297
2011-06-16

RAPID THERMAL CONVERSION OF A POLYAMIC ACID FIBER TO A POLYIMIDE FIBER

#94
20110048229
2011-03-03

Solvent-resistant asymmetric hollow fiber gas separation membrane, and method for production thereof

#95
20100331467
2010-12-30

Flame retardant composition, flame-retardant resin composition and molded product and fiber made of flame-retardant resin composition

#96
20100269318
2010-10-28

Thermoplastically processible aminoplastic resin, thermoset microfibre non-wovens, and process and plant for their production

#97
20100233451
2010-09-16

Polybenzazole fiber and pyridobisimidazole fiber

#98
20100229517
2010-09-16

Method of making polyimide fiber assembly

#99
20100227984
2010-09-09

HYDROLYSIS-RESISTANT POLY (p-PHENYLENEBENZOBISOXAZOLE) (PBO) FIBERS

#100
20100222544
2010-09-02

POLYAZOLE FIBER AND PROCESS FOR THE PRODUCTION THEREOF

#101
20100210814
2010-08-19

Fusion free hydrolysis of polyphosphoric acid in spun multifilament yarns

#102
20100203787
2010-08-12

Thermoset resin fibres

#103
20100184961
2010-07-22

Methods and compositions related to chromatin-associated proteins and other factors

#104
20100184945
2010-07-22

Process for hydrolyzing polyphosphoric acid in a spun yarn

#105
20100184944
2010-07-22

Process for removing phosphorous from a fiber or yarn

#106
20100184943
2010-07-22

Process for removing cations from polyareneazole fiber

#107
20100178830
2010-07-15

Polyimide nonwoven fabric and process for production thereof

#108
20100145004
2010-06-10

Rigid-rod copolymer compositions and the polymeric fibers fabricated from those compositions for enhanced flame resistance

#109
20100121017
2010-05-13

POLYBENZAZOLES AND POLYBENZAZOLE PRECURSORS

#110
20100072658
2010-03-25

Process and apparatus for the production of yarn

#111
20100072428
2010-03-25

Spinning, doping, dedoping and redoping polyaniline fiber

#112
20100048853
2010-02-25

Polyetherimide polymer for use as a high heat fiber material

#113
20100003519
2010-01-07

Method of fabricating nano-fibers by electrospinning

#114
20100003485
2010-01-07

NONWOVEN WEB COMPRISING POLYARENAZOLE MICROFIBERS AND PROCESS FOR MAKING SAME

#115
20090318048
2009-12-24

Cut-resistant yarns and method of manufacture

#116
20090311935
2009-12-17

POLYARENAZOLE MICROFILAMENTS AND PROCESS FOR MAKING SAME

#117
20090297850
2009-12-03

HOLLOW FIBER, DOPE COMPOSITION FOR FORMING HOLLOW FIBER, AND METHOD OF MAKING HOLLOW FIBER USING THE SAME

#118
20090286904
2009-11-19

POLYAMIC ACIDS DOPE COMPOSITION, PREPARATION METHOD OF HOLLOW FIBER USING THE SAME AND HOLLOW FIBER PREPARED THEREFROM

#119
20090286078
2009-11-19

POLYIMIDES DOPE COMPOSITION, PREPARATION METHOD OF HOLLOW FIBER USING THE SAME AND HOLLOW FIBER PREPARED THEREFROM

#120
20090282982
2009-11-19

Hollow fiber, dope composition for forming hollow fiber, and method of preparing hollow fiber using the same

#121
20090282601
2009-11-19

Garments comprising a flexible high thermal performance outer shell fabric of polybenzimidazole and polypyridobisimidazole fibers

#122
20090260138
2009-10-22

Thermal performance garments comprising a bleach tolerant outer shell fabric of polypyridobisimidazole and polybenzobisoxazole fibers

#123
20090230366
2009-09-17

Flame retardant composition, flame-retardant resin composition and molded product and fiber made of flame-retardant resin composition

#124
20090182097
2009-07-16

Method of making a high molecular weight, monoesterified polyimide polymer

#125
20090178561
2009-07-16

Method of making a crosslinked fiber membrane from a high molecular weight, monoesterified polyimide polymer

#126
20090127735
2009-05-21

Dope and process for the production of fiber from the dope

#127
20090107842
2009-04-30

Method for manufacturing polyimide-based carbon nanofiber electrode

#128
20090029615
2009-01-29

Crystallizable Polyetherimides, Method of Manufacture, and Articles Derived Therefrom

#129
20090014920
2009-01-15

POLYMER FILAMENTS

#130
20080287647
2008-11-20

Polyareneazole Polymer Fibers Having Pendant Hydroxyl Groups and Cations

#131
20080203610
2008-08-28

Hot surface hydrolysis of polyphosphoric acid in spun yarns

#132
20080203609
2008-08-28

Processes for hydrolysis of polyphoshoric acid in polyareneazole filaments

#133
20080203602
2008-08-28

Method for Producing Duroplastic Fine-Fiber Non-Wovens Having a High Flame-Retardant, Thermal Protective and Sound Insulating Effect

#134
20080188639
2008-08-07

Processes for hydrolyzing polyphosphoric acid in shaped articles

#135
20080179776
2008-07-31

Process for the production of polyarenazole yarn

#136
20080012170
2008-01-17

Process for making a high heat polymer fiber

#137
20080006970
2008-01-10

Filtered polyetherimide polymer for use as a high heat fiber material

#138
20070224422
2007-09-27

Colorfast dyed poly ether imide articles including fiber

#139
20070104948
2007-05-10

Polybenzazole fiber and article comprising the same

#140
20060287475
2006-12-21

Process for the production of polyarenazole polymer

#141
20060280937
2006-12-14

High inherent viscosity polymers and fibers therefrom

#142
20060083923
2006-04-20

Polybenzazole fiber and use thereof

#143
20060073329
2006-04-06

Filler-enhanced polymeric fibers with improved mechanical properties and method for making

#144
20060046049
2006-03-02

Highly durable polybenzazole composition, fiber and film

#145
20060019094
2006-01-26

Polybenzazole fibers and processes for their preparation

#146
20050256296
2005-11-17

Polymer film based on polyazoles, and uses thereof

#147
20050238876
2005-10-27

Process for obtaining a synthetic organic aromatic heterocyclic rod fiber of film with high tensile strength and/or modulus

#148
20050171281
2005-08-04

Copolymerization of polybenzazoles and other aromatic polymers with carbon nanotubes

#149
20050069700
2005-03-31

Manufacture of polyimide-hollow fibres

#150
20050045545
2005-03-03

Polybenzazole fiber