ClassID:

127066

D21H25/04 - CPC Classification

Classification description:

After-treatment of paper not provided for in groups  -  Physical treatment, e.g. heating, irradiating

Sub-classes:
Recent Application in this class:
#1
20260042947
2026-02-12

HIGHLY WEAR-RESISTANT WET PAPER-BASED FRICTION MATERIAL, PREPARATION METHOD AND USE THEREOF

#2
20260028777
2026-01-29

A SCK PAPER COMPRISING BCTMP AND RECYCLED PULP

#3
20260022520
2026-01-22

METHOD FOR ACYLATING A HYDROXYLATED SOLID MATERIAL

#4
20250376808
2025-12-11

BIODEGRADABLE BARRIER COATING

#5
20250188682
2025-06-12

ROLLED ABSORBENT PAPER PRODUCTS AND METHODS FOR MAKE SAME

#6
20250109554
2025-04-03

METHOD FOR POST-PROCESSING OF A PRODUCT, ESPECIALLY PAPER OR PAPERBOARD, WHICH HAS BEEN FABRICATED FROM PULP CONTAINING LIGNIN

#7
20250109553
2025-04-03

METHOD OF CONTROLLING SHEET MANUFACTURING APPARATUS

#8
20250092605
2025-03-20

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

#9
20250052006
2025-02-13

MOISTURE/OIL RESISTANT COMPOSITE MATERIALS

#10
20250027273
2025-01-23

Coating Agent for Paper Base Material

#11
20250019898
2025-01-16

SUBAMBIENT DAYTIME COOLING ENABLED BY HIERARCHICALLY ARCHITECTED ALL-INORGANIC METAPAPER WITH ENHANCED THERMAL DISSIPATION

#12
20250019559
2025-01-16

BIODEGRADABLE FUNCTIONAL BIOBASED COATING

#13
20240397996
2024-12-05

Laser-Etched Aerosol-Generating Article Wrapper, Aerosol-Generating Articles Comprising Such, and Their Method of Manufacture

#14
20240369163
2024-11-07

ROLL END AIR FITTING ADAPTER AND METHOD OF USING SAME

#15
20240052571
2024-02-15

Moisture/oil resistant composite materials

#16
20230416989
2023-12-28

CARBON FIBER PAPER, FLEXIBLE ROLLABLE CARBON PAPER MADE FROM THE CARBON FIBER BASE PAPER AND THE PREPARATION METHODS AND SYSTEMS THEREOF

#17
20230416988
2023-12-28

A METHOD FOR PREPARING MODIFIED PULP

#18
20230357991
2023-11-09

Biopolymer composition and its use as a powder coating

#19
20230332357
2023-10-19

LOW CELLULOSIC NON-WOOD FIBER PRODUCTS AND METHODS OF MAKING THE SAME

#20
20230220627
2023-07-13

Water & Oil Impermeable Paper Products, Paper Bags and the Process for Manufacturing the Same

#21
20230212824
2023-07-06

METHOD AND APPARATUS FOR CONDITIONING OF CARDBOARD

#22
20230167608
2023-06-01

WATER DISPERSIBLE SHEET AND METHOD TO MANUFACTURE WATER DISPERSIBLE SHEET

#23
20230131315
2023-04-27

PROCESS FOR PRODUCTION OF NANO-COATED SUBSTRATE

#24
20230103146
2023-03-30

METHOD AND MACHINE FOR PRODUCING A FIBROUS WEB WHICH CAN BE ELONGATED IN THE TRANSVERSE DIRECTION

#25
20230085774
2023-03-23

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

#26
20220412007
2022-12-29

Formed body producing method

#27
20220333311
2022-10-20

Decay-resistant paper

#28
20220152561
2022-05-19

PREPARATION AND USE OF CELLULOSE NANOFIBER MEMBRANE

#29
20210254285
2021-08-19

CELLULOSE MATERIALS AND METHODS OF MAKING AND USING THE SAME

#30
20210180255
2021-06-17

Cellulose-silicon oxide composite superhydrophobic material and preparation method thereof

#31
20210002829
2021-01-07

ROLLED ABSORBENT PAPER PRODUCTS AND METHODS FOR MAKING SAME

#32
20200362507
2020-11-19

Superficially treated flexible materials suitable for filtering and separating immiscible liquids

#33
20200305278
2020-09-24

PROCESS FOR MANUFACTURING A FUNCTIONAL FLEXIBLE CELLULOSIC SUBSTRATE, SETUP FOR IMPLEMENTING SAID PROCESS

#34
20200181846
2020-06-11

METHOD AND DEVICE FOR PRODUCING NANO FILMS

#35
20200173109
2020-06-04

Method of manufacturing a film having low oxygen transmission rate values

#36
20200157743
2020-05-21

Method for strengthening and reinforcing ancient books

#37
20190390410
2019-12-26

Method and device for protecting paper sheet

#38
20190311161
2019-10-10

MARKING PAPER PRODUCTS

#39
20190276621
2019-09-12

Method for making a film comprising MFC

#40
20190276619
2019-09-12

Method for forming a film comprising nanocellulose

#41
20190245214
2019-08-08

Method for producing roll-type gas diffusion layer having excellent spreading property

#42
20190218721
2019-07-18

Functionalizing cellulosic and lignocellulosic materials

#43
20190153662
2019-05-23

Textiles and methods and systems for producing textiles

#44
20190077186
2019-03-14

Method and apparatus for manufacturing printing paper for decorative boards and method for manufacturing laminated structure

#45
20190062998
2019-02-28

Cellulose materials and methods of making and using same

#46
20190061270
2019-02-28

Laminate of aramid paper sheet and polyimide film and method for producing same

#47
20180336375
2018-11-22

Marking paper products

#48
20180334777
2018-11-22

Method for production of porous moldings

#49
20180320317
2018-11-08

Paper products and methods and systems for manufacturing such products

#50
20180281493
2018-10-04

Printing paper without ink

#51
20180272753
2018-09-27

Partially dried inkjet media fusers

#52
20180271259
2018-09-27

Hair-coloring predictive test system and method

#53
20180142418
2018-05-24

Method and system for manufacturing a coated paperboard and a coated paperboard

#54
20180065092
2018-03-08

Preparation and use of cellulose nanofiber membrane

#55
20180058009
2018-03-01

HIGH GLOSS METAL EFFECT PAPERS AND BOARDS

#56
20170362776
2017-12-21

PRODUCTION OF PAPER AND BOARD

#57
20170305178
2017-10-26

Thermal sublimation paper, method for the production thereof and use thereof

#58
20170284024
2017-10-05

Process to manufacture low weight high quality paper for use as a support layer of a release liner with a belt assembly

#59
20170268174
2017-09-21

Method of manufacturing paper sheet

#60
20170266693
2017-09-21

Method for improving the water tolerance of bio-based CNF-films

#61
20170241080
2017-08-24

Method for the Continuous Coating of a Cellulose-Based Fibrous Substrate Web with Fatty Acid Chloride

#62
20170145176
2017-05-25

METHOD FOR APPLICATION OF A SILICON DIOXIDE LAYER

#63
20170106367
2017-04-20

Fluid flow device with flow control and method for making the same

#64
20170067207
2017-03-09

Method for production and use of nanocellulose and its precursors

#65
20170008226
2017-01-12

Methods for lowering melt viscosity and improving heat-sealability of polyester and for manufacturing a heat-sealed container or package

#66
20160375708
2016-12-29

Inkjet printing apparatus and manufacturing method for absorbent substrate

#67
20160361781
2016-12-15

Support needles for laser cutting of paperboard

#68
20160355961
2016-12-08

Method for producing a wet-laid nonwoven fabric

#69
20160333528
2016-11-17

FUNCTIONALIZING CELLULOSIC AND LIGNOCELLULOSIC MATERIALS

#70
20160331044
2016-11-17

Process of applying a conductive composite, transfer assembly having a conductive composite, and a garment with a conductive composite

#71
20160265164
2016-09-15

Paper products and methods and systems for manufacturing such products

#72
20160230339
2016-08-11

High gloss metal effect papers

#73
20160207039
2016-07-21

Method for making hydrophobic barriers requiring UV-light treatment

#74
20160153143
2016-06-02

Medical nonwoven fabric, and preparation method thereof

#75
20160069029
2016-03-10

Tissue product comprising bamboo

#76
20160040359
2016-02-11

Functionalizing cellulosic and lignocellulosic materials

#77
20160002856
2016-01-07

Fibrous sheet disintegrating in water, process for manufacturing said fibrous sheet, use of said fibrous sheet for the manufacture of a core

#78
20150330023
2015-11-19

Method, system and apparatus for processing fibril cellulose and fibril cellulose material

#79
20150225902
2015-08-13

Functionalizing cellulosic and lignocellulosic materials

#80
20150211189
2015-07-30

Substrate for wallboard joint tape and process for making same

#81
20150136349
2015-05-21

Method for producing fiber webs and production line for producing fiber webs

#82
20150118431
2015-04-30

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

#83
20150111997
2015-04-23

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

#84
20150047799
2015-02-19

Paper products and methods and systems for manufacturing such products

#85
20150030811
2015-01-29

Nonwoven fabric having a grooved surface and heat-expanded particles and production method for the nonwoven fabric

#86
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

#87
20140367063
2014-12-18

Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet

#88
20140367060
2014-12-18

Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet

#89
20140360689
2014-12-11

Superamphiphobic paper

#90
20140345818
2014-11-27

Method and apparatus for manufacturing lignocellulosic materials with improved properties

#91
20140304863
2014-10-09

Marking paper products

#92
20140299789
2014-10-09

Marking paper products

#93
20140299788
2014-10-09

Marking paper products

#94
20140299284
2014-10-09

Marking paper products

#95
20140298929
2014-10-09

Marking paper products

#96
20140290886
2014-10-02

Sheet manufacturing apparatus

#97
20140284010
2014-09-25

Tissue product comprising bamboo

#98
20140220318
2014-08-07

Digital overlay

#99
20140060764
2014-03-06

METHOD FOR DRYING A FIBROUS WEB IN A DRYING DEVICE, AND DRYING DEVICE

#100
20130264019
2013-10-10

Method for forming an anisotropic conductive paper and a paper thus formed

#101
20130236647
2013-09-12

Machine and treatment process via chromatogenous grafting of a hydroxylated substrate

#102
20130228299
2013-09-05

Method for producing crepe paper that is smooth on one side

#103
20130146238
2013-06-13

Funtionalizing cellulosic and lignocellulosic materials

#104
20130076844
2013-03-28

Large-particle inkjet printing on semiporous paper

#105
20130071678
2013-03-21

Tissue Product comprising bamboo

#106
20120285647
2012-11-15

Marking paper products

#107
20120285639
2012-11-15

Funtionalizing Cellulosic and Lignocellulosic Materials

#108
20120270458
2012-10-25

MEDICAL NONWOVEN FABRIC, AND PREPARATION METHOD THEREOF

#109
20120216975
2012-08-30

Glass Mat with Synthetic Wood Pulp

#110
20120211553
2012-08-23

PROCESS FOR THE APPLICATION OF BRILLIANT METALLIC INKS TO PAPER OR PAPERBOARD

#111
20120205426
2012-08-16

Process For The Application Of Brilliant Metallic Inks To Paper Or Paperboard

#112
20120089075
2012-04-12

Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet

#113
20120045587
2012-02-23

Papermaking additives for roll release improvement

#114
20120035526
2012-02-09

Fibrous sheet disintegrating in water, process for manufacturing said fibrous sheet, use of said fibrous sheet for the manufacture of a core

#115
20110244745
2011-10-06

ELECTROSTATIC CHARGE DISSIPATIVE MATERIALS BY VACUUM DEPOSITION OF POLYMERS

#116
20110223401
2011-09-15

FIBROUS PRODUCT HAVING A BARRIER LAYER AND METHOD OF PRODUCING THE SAME

#117
20110174452
2011-07-21

Base paper of aramid fiber honeycomb core and manufacturing method thereof

#118
20110139383
2011-06-16

Functionalizing cellulosic and lignocellulosic materials

#119
20110123790
2011-05-26

Method for Functionalization of Nanoscale Fiber Films

#120
20110083819
2011-04-14

Process for producing bulky paper with concavo-convex pattern

#121
20110067830
2011-03-24

Functionalizing cellulosic and lignocellulosic materials

#122
20100272920
2010-10-28

Radiation Curable System

#123
20100263817
2010-10-21

Process for producing tissue products

#124
20100221449
2010-09-02

Method and apparatus for applying plastic coatings

#125
20100206501
2010-08-19

Paper products and methods and systems for manufacturing such products

#126
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

#127
20100162542
2010-07-01

Method for making lyocell web product

#128
20100030174
2010-02-04

MULTI-PLY FIBROUS STRUCTURES AND PROCESSES FOR MAKING SAME

#129
20100028639
2010-02-04

Method for functionalization of nanoscale fiber films

#130
20090321026
2009-12-31

Paper products and methods and systems for manufacturing such products

#131
20090301506
2009-12-10

Low ignition propensity cigarette and wrapping paper therefor

#132
20090283229
2009-11-19

Functionalizing cellulosic and lignocellulosic materials

#133
20090236064
2009-09-24

Paper comprising PIPD pulp and process for making same

#134
20090159224
2009-06-25

Paper Products Including Surface Treated Thermally Bondable Fibers and Methods of Making the Same

#135
20090120782
2009-05-14

Atmospheric treater with roller confined discharge chamber

#136
20090104397
2009-04-23

Paper Sheet and Paper Sheet Bonding Method

#137
20080295984
2008-12-04

Method for Producing Identification Marks on Paper or Board and a Marked Material Made with the Method

#138
20080289788
2008-11-27

Method of drying mat products

#139
20080236774
2008-10-02

Machine And Method For Producing A Fibrous Web

#140
20080179028
2008-07-31

System and method to control press section dewatering on paper and pulp drying machines using chemical dewatering agents

#141
20080176037
2008-07-24

Transparent paper and method of making same

#142
20080149290
2008-06-26

MANUFACTURING PROCESS OF A PAPER SUBSTRATE INTENDED TO BE VULCANISED OR PARCHMENTISED

#143
20080135195
2008-06-12

Process for producing tissue products

#144
20080128101
2008-06-05

Method of applying a super-absorbent composition to tissue or towel substrates

#145
20080107822
2008-05-08

Treatment of fibrous materials using atmospheric pressure plasma polymerization

#146
20070264442
2007-11-15

Method for making bio-degradable paper board

#147
20070261809
2007-11-15

Method for making bio-degradable paper board

#148
20070261808
2007-11-15

Method for making bio-degradable paper board

#149
20070256805
2007-11-08

Paperboard material with expanded polymeric microspheres

#150
20070128368
2007-06-07

Method for production of functional film, substrate conveyance apparatus, and functional film produced with the method

#151
20070116929
2007-05-24

Embossed release paper for synthetic leather production and support therefor, and synthetic leather using the release paper and process for producing the synthetic leather

#152
20070034345
2007-02-15

PROCESS FOR ORGANOSOLV PULPING AND USE OF A GAMMA LACTONE IN A SOLVENT FOR ORGANOSOLV PULPING

#153
20060237153
2006-10-26

Printing papers

#154
20060169427
2006-08-03

Manufacturing process of a paper substrate intended to be vulcanised or parchmentised

#155
20060162887
2006-07-27

System and method to control press section dewatering on paper and pulp drying machines using chemical dewatering agents

#156
20050252626
2005-11-17

Soft durable tissue

#157
20050233200
2005-10-20

Process to manufacture an ion-permeable and electrically conducting flat material, the material obtained according to the process, and fuel cells

#158
20050230072
2005-10-20

Aramid paper blend

#159
20050136766
2005-06-23

Wet-or dry-use biodegradable collecting sheet

#160
17388176
2023-10-03

Thick-caliper laminated paperboard and methods for making the same