ClassID:

121578

D01F1/08 - CPC Classification

Classification description:

Addition of substances to the spinning solution or to the melt for forming hollow filaments

Recent Application in this class:
#1
20260055536
2026-02-26

FIBER AND METHOD OF FORMING THE SAME

#2
20250270740
2025-08-28

TUFTED CARPET INCLUDING POLYETHYLENETEREPHTHALATE BULKED CONTINUOUS FILAMENT

#3
20250129521
2025-04-24

HOLLOW FIBRES

#4
20250109529
2025-04-03

HOLLOW FIBRES

#5
20250027231
2025-01-23

JET ASSISTED WET SPINNING OF PHOTOPOLYMERIZABLE MATERIAL

#6
20240035213
2024-02-01

MULTI-LAYER MELTBLOWN NON-WOVEN FABRIC AND PREPARATION METHOD THEREOF

#7
20230416948
2023-12-28

COMPOSITE FIBER CAPABLE OF CHANGING COLORS BY VARIOUS EXTERNAL STIMULI AND MANUFACTURING METHOD THEREOF

#8
20230323569
2023-10-12

COMPOSITE FIBER, HOLLOW FIBER AND MULTIFILAMENT

#9
20230191336
2023-06-22

Method for preparing block copolymer hollow fiber membrane by melt spinning-stretching and selective swelling

#10
20230112741
2023-04-13

Foamable Continuous Filaments

#11
20220378984
2022-12-01

HIGH STRENGTH BIOMEDICAL MATERIALS

#12
20220228296
2022-07-21

Device for polymer materials fabrication using gas flow and electrostatic fields

#13
20220002911
2022-01-06

Hollow porous fibers

#14
20210308627
2021-10-07

Dual-layer membrane and method for preparing same

#15
20210283863
2021-09-16

Architecture-, Geometry-, and Microstructure-Controlled Processing of Carbon Fibers and Nanofibers via Pyrolysis of Multicomponent Hot-Drawn Precursors

#16
20210214860
2021-07-15

Method for preparing microporous PVA fiber

#17
20210069981
2021-03-11

Non-solid core filament for 3-D printing

#18
20200141029
2020-05-07

REDUCED DENSITY SYNTHETIC FIBER UTILIZING HOLLOW MICROCAPSULES

#19
20200093965
2020-03-26

High strength biomedical materials

#20
20200071853
2020-03-05

TUFTED CARPET INCLUDING POLYETHYLENETEREPHTHALATE BULKED CONTINUOUS FILAMENT

#21
20200071850
2020-03-05

Hollow Fiber Structure of Aerogel and Method for Manufacturing the Hollow Fiber Structure

#22
20190374909
2019-12-12

METHOD FOR PRODUCING A POLYPHENYLSULFONE POROUS HOLLOW FIBER MEMBRANE

#23
20190374672
2019-12-12

Technique for forming porous fibers

#24
20190217253
2019-07-18

Self-coiling hollow fibre membrane

#25
20180313002
2018-11-01

POROUS CARBON NANOFIBERS AND MANUFACTURING THEREOF

#26
20180291530
2018-10-11

Multi-stage drawing technique for forming porous fibers

#27
20180291528
2018-10-11

Method for forming porous fibers

#28
20180236411
2018-08-23

COMPOSITE BIOCOMPATIBLE ARTICLES MADE FROM DOPED POLYSULPHONE FILAMENTS AND A PROCESS FOR MAKING THE SAME

#29
20180192731
2018-07-12

Composite soles

#30
20180179668
2018-06-28

Hollow porous fibers

#31
20180169590
2018-06-21

Hollow fiber membrane, and method for producing hollow fiber membrane

#32
20180051394
2018-02-22

Reel changing device and reel changing method

#33
20180047984
2018-02-15

Carbonaceous structure and method for preparing the same, electrode material and catalyst including the carbonaceous structure, and energy storage device including the electrode material

#34
20170306537
2017-10-26

Porous Polyolefin Material Containing a Butene Polymer

#35
20170216780
2017-08-03

High toughness hollow fiber membranes based on vinylidene fluoride polymers

#36
20170182223
2017-06-29

High strength biomedical materials

#37
20170173219
2017-06-22

High strength biomedical materials

#38
20170125174
2017-05-04

Bamboo-inspired nanostructure design for flexible, foldable and twistable energy storage devices

#39
20170121854
2017-05-04

Use of a foamable polymer filament, and foamed fabric

#40
20160362541
2016-12-15

Porous carbon material, composite material reinforced with carbon material, porous carbon material precursor, porous carbon material precursor production method, and porous carbon material production method

#41
20160201227
2016-07-14

Porous carbon nanofibers and manufacturing thereof

#42
20160130731
2016-05-12

Porous polyolefin fibers

#43
20160122484
2016-05-05

Polyolefin film for use in packaging

#44
20160115291
2016-04-28

Polyolefin material having a low density

#45
20160114071
2016-04-28

Absorbent article containing a porous polyolefin film

#46
20160101208
2016-04-14

Absorbent article containing a nonwoven web formed from a porous polyolefin fibers

#47
20160038887
2016-02-11

Polysulfone membrane having high selectivity

#48
20150345055
2015-12-03

Nonwoven fabric structure and method for producing the same

#49
20150292115
2015-10-15

Preparation method for multifunctional polyester fibre

#50
20150157514
2015-06-11

Fleece for sustained release of an active substance

#51
20150056471
2015-02-26

ORDERED POROUS NANOFIBERS, METHODS, AND APPLICATIONS

#52
20150038320
2015-02-05

Inorganic fiber and process for manufacturing same

#53
20140291887
2014-10-02

Method for making gas-separation membranes having improved flux and selectivity

#54
20140087255
2014-03-27

Composite anode active material, anode and lithium battery each including the composite anode active material, method of preparing the composite anode active material

#55
20130196405
2013-08-01

POROUS FIBER, METHODS OF MAKING THE SAME AND USES THEREOF

#56
20130040121
2013-02-14

Thermally Expandable Crimped Hollow Fibers and Methods of Using Same

#57
20120204322
2012-08-16

Highly functional polyethylene fibers, woven or knit fabric, and cut-resistant glove

#58
20110151257
2011-06-23

Synthetic yarn

#59
20100294980
2010-11-25

Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof

#60
20100247909
2010-09-30

Manufacturing process of porous carbon nanofiber using a volatile organic matter

#61
20100021660
2010-01-28

Artificial lawn for artificial grass sports field

#62
20090297850
2009-12-03

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

#63
20090297822
2009-12-03

Porous multilayered hollow-fiber membrane and process for producing the same

#64
20090286078
2009-11-19

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

#65
20090252900
2009-10-08

Artificial grass fibre and artificial lawn thereof

#66
20090182097
2009-07-16

Method of making a high molecular weight, monoesterified polyimide polymer

#67
20080272520
2008-11-06

Nonwoven fabric and process for producing the same

#68
20070287008
2007-12-13

Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof

#69
20070059233
2007-03-15

Carbon material having high surface area and conductivity and preparation method thereof

#70
20070026228
2007-02-01

Temperature regulating cellulosic fibers and applications thereof

#71
20060286886
2006-12-21

Nonwoven fabric and process for producing the same

#72
17460841
2021-12-21

Method of forming polymer hollow fiber

#73
17460809
2022-01-11

Multi-angle spinneret with upper and lower body structure

#74
17460777
2022-01-11

Multi-angle spinneret for forming hollow fiber

#75
17198413
2021-10-12

Method of forming hollow fiber using multi-angle spinneret