ClassID:

126843

D21H13/24 - CPC Classification

Classification description:

Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material; Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds Polyesters

Recent Application in this class:
#1
20260103846
2026-04-16

PACKAGING MATERIAL AND A POUCHED PRODUCT FOR ORAL USE

#2
20250320662
2025-10-16

Fiber paper and preparation method therefor

#3
20250179700
2025-06-05

PLANT-BASED NONWOVEN FABRIC

#4
20250092605
2025-03-20

LIQUID CRYSTAL POLYMER POWDER, LIQUID CRYSTAL POLYMER FILM, AND METHOD OF PRODUCING SAME

#5
20240294421
2024-09-05

MAT AND GYPSUM BOARDS SUITABLE FOR WET OR HUMID AREAS

#6
20230416957
2023-12-28

POLYESTER STAPLE YARN FOR WET NON-WOVEN FABRIC, WET NON-WOVEN FABRIC COMPRISING SAME, AND PREPARATION METHOD THEREFOR

#7
20230321611
2023-10-12

NONWOVEN FABRIC FOR SEPARATION MEMBRANE AND METHOD OF PRODUCING THE SAME

#8
20230272585
2023-08-31

Fibrous Structures and Methods for Making Same

#9
20230228003
2023-07-20

Fibrous Elements and Fibrous Structures Employing Same

#10
20230217987
2023-07-13

SMOKING ARTICLE INCLUDING BIODEGRADABLE CIGARETTE PAPER

#11
20230203757
2023-06-29

A PACKAGING MATERIAL AND A POUCHED PRODUCT FOR ORAL USE

#12
20230142418
2023-05-11

WET NON-WOVEN FABRIC, PREPARATION METHOD THEREFOR AND WATER TREATMENT MEMBRANE CONTAINING WET NON-WOVEN FABRIC

#13
20230127264
2023-04-27

ABRASIVE BACKING AND METHOD OF MAKING SAME

#14
20230085774
2023-03-23

COMPOSITION FOR MANUFACTURING PAPER AND METHOD FOR MANUFACTURING PAPER HAVING IMPROVED WET STRENGTH

#15
20230074973
2023-03-09

Water-dispersible composite structure and method of producing the same

#16
20230071802
2023-03-09

Ply fibrous product

#17
20230069108
2023-03-02

ASSEMBLIES OF FIBERS AND INORGANIC PARTICLES

#18
20220190403
2022-06-16

HEAT INSULATING MATERIAL COMPOSITION, HEAT INSULATING MATERIAL, AND METHOD FOR MANUFACTURING SAME

#19
20220127792
2022-04-28

Fibrous sheet with improved properties

#20
20220090325
2022-03-24

Fibrous structures comprising three or more regions

#21
20220049427
2022-02-17

Reinforced paper for packaging of medical devices

#22
20220033595
2022-02-03

METHOD FOR PRODUCING HEAT-RESISTANT RESIN COMPOSITE AND HEATRESISTANT RESIN COMPOSITE

#23
20220025558
2022-01-27

Printing Base Material Having Excellent Weathering Resistance

#24
20220022529
2022-01-27

Paper Sheet and Method of Making It

#25
20220016868
2022-01-20

Molded ceiling material for vehicle and production method therefor

#26
20210363699
2021-11-25

Papers comprising aerogel powder and aramid polymer fibrils

#27
20210310196
2021-10-07

Water-dispersible composite structure and method of producing the same

#28
20210230808
2021-07-29

Nonwoven web composition, method to prepare the composition and articles thereof

#29
20210198823
2021-07-01

Absorbent material

#30
20210123189
2021-04-29

Filter paper

#31
20210102341
2021-04-08

METHOD FOR PRODUCING INORGANIC PARTICLE COMPOSITE FIBERS

#32
20210016213
2021-01-21

WET NON-WOVEN FABRIC FOR FILTER, FILTER MEDIUM FOR FILTER, AND FILTER

#33
20200403202
2020-12-24

SINGLE-LAYER LITHIUM ION BATTERY SEPARATORS EXHIBITING HIGH LOW-SHRINKAGE RATES AT HIGH TEMPERATURES

#34
20200370246
2020-11-26

Fibrous sheet with improved properties

#35
20200325631
2020-10-15

Container for fibrous wipes

#36
20200282362
2020-09-10

REVERSE OSMOSIS MEMBRANE SUPPORT MATERIAL AND PREPARATION METHOD THEREOF

#37
20200270815
2020-08-27

Thermoplastic fiber sheet

#38
20200123712
2020-04-23

Process for producing fibrous board

#39
20200116906
2020-04-16

ELEMENT FOR MANIPULATING LIGHT

#40
20200071882
2020-03-05

CELLULOSE ACETATE FIBER BLENDS FOR THERMAL INSULATION BATTING

#41
20200063346
2020-02-27

Process to produce a paper article comprising cellulose fibers and a staple fiber

#42
20200063295
2020-02-27

Recycled deinked sheet articles

#43
20200010688
2020-01-09

OLEOPHOBIC COATINGS AND WIPES AND APPLICATORS USED TO PRODUCE THEM

#44
20190376011
2019-12-12

NONWOVEN MATERIAL FOR CLEANING AND SANITIZING SURFACES

#45
20190368131
2019-12-05

Fibrous structures comprising three or more regions

#46
20190309456
2019-10-10

Polyester binder fiber

#47
20190247828
2019-08-15

Inorganic fiber sheet, honeycomb molded body and honeycomb filter

#48
20190211509
2019-07-11

Fibrous structures and methods for making same

#49
20190203421
2019-07-04

Functional substance adsorption device for fiber

#50
20190106842
2019-04-11

Method of producing a fibrous web containing natural and synthetic fibres

#51
20190070540
2019-03-07

Filter medium for liquid filter and liquid filter

#52
20190048528
2019-02-14

Porous sheet

#53
20180334778
2018-11-22

Soft tissue comprising synthetic fibers

#54
20180304555
2018-10-25

Porous single resin fiber composite material and method for manufacturing porous single resin fiber composite material

#55
20180280844
2018-10-04

Filter medium having excellent heat resistance

#56
20170362775
2017-12-21

THERMOPLASTIC FIBROUS MATERIALS AND A METHOD OF PRODUCING THE SAME

#57
20170306563
2017-10-26

FINE FIBER PULP FROM SPINNING AND WET LAID FILTER MEDIA

#58
20170305783
2017-10-26

Mat and gypsum boards suitable for wet or humid areas

#59
20170183826
2017-06-29

Fibrous structures and methods for making same

#60
20170167081
2017-06-15

Fibrous structures comprising three or more regions

#61
20170073899
2017-03-16

Element for manipulating light

#62
20170067208
2017-03-09

Method of making a thermoplastic fiber composite material and web

#63
20170016149
2017-01-19

Polyester binder fibers

#64
20160355961
2016-12-08

Method for producing a wet-laid nonwoven fabric

#65
20160194832
2016-07-07

Multilayered structure comprising fine fiber cellulose layer

#66
20160177510
2016-06-23

Wet-laid nonwoven including thermoplastic fiber

#67
20160051920
2016-02-25

Filter material for air filter, method for manufacturing same, and air filter provided with same

#68
20150275434
2015-10-01

Methods of molding non-woven carbon fiber mats and related molded products

#69
20150233060
2015-08-20

Absorbent Article Comprising A Fibrous Structure Comprising Synthetic Fibers And A Hydrophilizing Agent

#70
20150211451
2015-07-30

FILTERING MATERIAL FOR FILTER AND PRODUCTION PROCESS THEREFOR

#71
20150176210
2015-06-25

Additives for papermaking

#72
20150174535
2015-06-25

Nonwoven fabric for semipermeable membrane support

#73
20150167249
2015-06-18

Multilayered structure comprising fine fiber cellulose layer

#74
20150118431
2015-04-30

Process for manufacturing a composite article comprising cellulose pulp fibers and a thermoplastic matrix

#75
20150111997
2015-04-23

Process for manufacturing a composition comprising cellulose pulp fibers and thermoplastic fibers

#76
20150024250
2015-01-22

Base for lithium ion secondary battery separators, method for producing base for lithium ion secondary battery separators, and lithium ion secondary battery separator

#77
20150007955
2015-01-08

Processes to produce short-cut microfibers

#78
20140311695
2014-10-23

Process for making paper and nonwoven articles comprising synthetic microfiber binders

#79
20140311694
2014-10-23

Paper and nonwoven articles comprising synthetic microfiber binders

#80
20140262088
2014-09-18

Methods of molding non-woven carbon fiber mats and related molded products

#81
20140189970
2014-07-10

FLUSHABLE MOIST WIPE OR HYGIENE TISSUE AND A METHOD FOR MAKING IT

#82
20140134496
2014-05-15

Single-layer lithium ion battery separators exhibiting low shrinkage rates at high temperatures

#83
20130306260
2013-11-21

Soy stalk and wheat straw pulp fiber mixtures

#84
20130299108
2013-11-14

SHORT-CUT MICROFIBER-CONTAINING MIXTURE

#85
20130277320
2013-10-24

Processes to produce short cut microfibers

#86
20130269294
2013-10-17

Sterilizable and printable nonwoven packaging materials

#87
20130193086
2013-08-01

Processes to produce short cut microfibers

#88
20130193085
2013-08-01

Processes to produce short cut microfibers

#89
20130192780
2013-08-01

Processes to produce short cut microfibers

#90
20130192779
2013-08-01

Processes to produce short cut microfibers

#91
20130139983
2013-06-06

Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers

#92
20130081770
2013-04-04

METHOD FOR MANUFACTURING ECO-FRIENDLY INORGANIC PAPER

#93
20130042879
2013-02-21

Synthetic microfiber wiping cloths

#94
20120321807
2012-12-20

Method of making tough, flexible mats

#95
20120312488
2012-12-13

Method for forming a fibrous media

#96
20120302120
2012-11-29

SHORT CUT MICROFIBERS

#97
20120251597
2012-10-04

END PRODUCTS INCORPORATING SHORT-CUT MICROFIBERS

#98
20120199299
2012-08-09

Wet strength resins derived from renewable resources

#99
20120199298
2012-08-09

Wet strength resins derived from renewable resources

#100
20120183861
2012-07-19

SULFOPOLYESTER BINDERS

#101
20120181720
2012-07-19

Wet-Laid process to produce a bound nonwoven article

#102
20120180968
2012-07-19

NONWOVEN ARTICLE WITH RIBBON FIBERS

#103
20120178331
2012-07-12

NONWOVEN ARTICLE WITH RIBBON FIBERS

#104
20120177996
2012-07-12

NONWOVEN ARTICLE WITH RIBBON FIBERS

#105
20120175074
2012-07-12

NONWOVEN ARTICLE WITH RIBBON FIBERS

#106
20110244199
2011-10-06

Absorptive fibrous structures

#107
20110220310
2011-09-15

ABSORBENT ARTICLE COMPRISING A FIBROUS STRUCTURE COMPRISING SYNTHETIC FIBERS AND A HYDROPHILIZING AGENT

#108
20110174452
2011-07-21

Base paper of aramid fiber honeycomb core and manufacturing method thereof

#109
20110168625
2011-07-14

Nonwovens produced from multicomponent fibers

#110
20110139386
2011-06-16

WET LAP COMPOSITION AND RELATED PROCESSES

#111
20110126401
2011-06-02

HEAT-RESISTANT NONWOVEN FABRIC

#112
20110100574
2011-05-05

FIBROUS STRUCTURES THAT EXHIBIT CONSUMER RELEVANT PROPERTY VALUES

#113
20100314333
2010-12-16

FLUTABLE FIBER WEBS WITH LOW SURFACE ELECTRICAL RESISTIVITY FOR FILTRATION

#114
20100230061
2010-09-16

Process for Producing Optically Brightened Paper

#115
20100193145
2010-08-05

Polyareneazole/thermoset pulp and methods of making same

#116
20100193144
2010-08-05

Polyareneazole/thermoplastic pulp and methods of making same

#117
20100193116
2010-08-05

METHOD FOR MANUFACTURING A COMPOSITE MATERIAL HAVING REDUCED MECHANOSORPTIVE CREEP, THE COMPOSITE MATERIAL, USE OF THE METHOD AND THE COMPOSITE MATERIAL

#118
20100187712
2010-07-29

Method and apparatus for forming a fibrous media

#119
20100187171
2010-07-29

Fibrous media

#120
20100173138
2010-07-08

Durable paper

#121
20100136312
2010-06-03

TISSUE

#122
20100133173
2010-06-03

Wet type nonwoven fabric and filter

#123
20100031618
2010-02-11

High dust holding capacity filter media

#124
20090308551
2009-12-17

Absorbent sheet prepared with papermaking fiber and synthetic fiber exhibiting improved wet strength

#125
20090301022
2009-12-10

Process for manufacturing insulated siding

#126
20080311815
2008-12-18

Nonwovens produced from multicomponent fibers

#127
20080311343
2008-12-18

Highly Resilient, Dimensionally Recoverable Nonwoven Material

#128
20080182167
2008-07-31

Separator for installation in batteries and a battery

#129
20080145600
2008-06-19

Honeycomb from paper having flame retardant thermoplastic binder

#130
20080076314
2008-03-27

Wipe and methods for manufacturing and using a wipe

#131
20080044650
2008-02-21

Matte film or sheet

#132
20080029236
2008-02-07

Durable paper

#133
20070298235
2007-12-27

Non-woven fabric for gypsum board and process for producing the same

#134
20070271889
2007-11-29

Nonwoven fibrous mat for MERV filter and method

#135
20070232180
2007-10-04

Absorbent article comprising a fibrous structure comprising synthetic fibers and a hydrophilizing agent

#136
20070232179
2007-10-04

Nonwoven fibrous structure comprising synthetic fibers and hydrophilizing agent

#137
20070232178
2007-10-04

Method for forming a fibrous structure comprising synthetic fibers and hydrophilizing agents

#138
20070212970
2007-09-13

Process for manufacturing insulated siding

#139
20070207693
2007-09-06

Heat-Resistant Nonwoven Fabric

#140
20070197698
2007-08-23

Fiber-treating agent, short polyester fiber made with the same, and nonwoven fabric

#141
20070184244
2007-08-09

Decorative paper comprising electrically charged fibers

#142
20070172687
2007-07-26

Method for producing coated substrates

#143
20070144695
2007-06-28

Polyareneazole/thermoplastic pulp and methods of making same

#144
20070137819
2007-06-21

Polyareneazole/thermoset pulp and methods of making same

#145
20070098986
2007-05-03

Process for producing a nonwoven polyester staple fiber fabric

#146
20070009688
2007-01-11

Glass/polymer reinforcement backing for siding and compression packaging of siding backed with glass/polymer

#147
20070004307
2007-01-04

High intensity flame resistant composites

#148
20060207735
2006-09-21

Creped paper product

#149
20060057379
2006-03-16

Nonwoven fabric of polyester composite fiber

#150
20050245151
2005-11-03

Nonwoven wiping material with improved quaternary salt release properties

#151
20050181692
2005-08-18

Resin-impregnated substrate

#152
20050136779
2005-06-23

Process for reinforcing a hydro-entangled pulp fibre material, and hydro-entangled pulp fibre material reinforced by the process

#153
20050133177
2005-06-23

Method for adding chemicals to a nonwoven material

#154
20050112978
2005-05-26

Method of making tough, flexible mats and tough, flexible mats

#155
20050032452
2005-02-10

Conformable surfacing veil or reinforcement mat

#156
20050025949
2005-02-03

Deformable veil and process for manufacturing same

#157
20050008850
2005-01-13

Glass flake having high thermal conductivity