ClassID:

127067

D21H25/06 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260125853
2026-05-07

FIBER-BASED MATERIALS CONTAINING GRAPHENE OXIDE

#2
20260029350
2026-01-29

METHOD FOR PREPARING ULTRAVIOLET (UV)-DEGRADABLE AND FUNCTIONALIZED CELLULOSE PAPER-BASED COLORIMETRIC SENSOR, AND APPLICATION THEREOF

#3
20250361678
2025-11-27

METHOD FOR MANUFACTURING A BARRIER SUBSTRATE, AND A BARRIER SUBSTRATE

#4
20250313711
2025-10-09

ULTRAVIOLET LASER PRINTING PAPER, PRINTED MATTER AND MANUFACTURING METHOD THEREFOR, PROCESSED OBJECT, AND INK COMPOSITION

#5
20250283277
2025-09-11

Coating layer for paper and board using dissolved cellulose

#6
20250154724
2025-05-15

METHOD FOR PRODUCING LAMINATE AND METHOD FOR PRODUCING MOLDED ARTICLE

#7
20250098882
2025-03-27

ZEIN COATED OR IMPREGNATED PAPER STRAWS AND RELATED TUBLAR ARTICLE

#8
20250075434
2025-03-06

METHOD AND DEVICE FOR ACYLATING A MOVING HYDROXYLATED MATERIAL

#9
20250043155
2025-02-06

FORMALDEHYDE-FREE HIGHLY WATER AND ABRASION RESISTANT OVERLAY FOR BUILDING PRODUCTS

#10
20240410113
2024-12-12

HIGH DURABILITY CARDBOARD PRODUCT AND METHOD FOR THE MANUFACTURING THEREOF

#11
20240344272
2024-10-17

BIOWAX POLYHYDROXYALKANOATE DISPERSIONS AS BIO-BASED BARRIER COATINGS

#12
20240209573
2024-06-27

METHOD FOR MANUFACTURING A BARRIER FILM, AND A BARRIER FILM

#13
20240191435
2024-06-13

METHOD FOR MANUFACTURING A BARRIER FILM, AND A BARRIER FILM

#14
20240175215
2024-05-30

WATER RESISTANT AND REPULPABLE COMPOSITIONS

#15
20240044081
2024-02-08

Preparation method of double-layer carbon-paper base paper with high uniformity and gradient pores

#16
20240035232
2024-02-01

ADDITIVE COMPOSITIONS AND METHODS FOR PAPERMAKING WITH HIGH-KAPPA FURNISHES

#17
20230392321
2023-12-07

COATED PAPERBOARD CONTAINERS HAVING AN AQUEOUS BARRIER COATING

#18
20230332356
2023-10-19

LAMINATED ARTICLE AND MOLDED ARTICLE

#19
20230243092
2023-08-03

MANUFACTURING PROCEDURE FOR A DECORATIVE FOIL

#20
20230219732
2023-07-13

A PROCESS FOR PRODUCING A PACKAGING MATERIAL

#21
20230193559
2023-06-22

A METHOD FOR PRODUCING A FILM COMPRISING NANOCELLULOSE, AND A FILM COMPRISING NANOCELLULOSE

#22
20230095967
2023-03-30

Paper precoat process

#23
20220412009
2022-12-29

CELLULOSIC LAMINAR ELEMENT, METHOD FOR OBTAINING SAID ELEMENT AND RECEPTACLE MADE USING SAID CELLULOSIC LAMINAR ELEMENT

#24
20220396405
2022-12-15

Biodegradable container

#25
20220073787
2022-03-10

Dielectric heating of foamable compositions

#26
20220056644
2022-02-24

A METHOD FOR SEALING PAPERBOARD

#27
20220034041
2022-02-03

ASYMMETRICALLY SILICA-IMPREGNATED NONWOVEN FABRICS AND METHODS FOR PRODUCING SAID NONWOVENS AND USE THEREOF

#28
20210381171
2021-12-09

Hot-press gas grafting hydrophobization apparatus, and eco-friendly oil-absorbing low- weight paper manufactured using same

#29
20210309872
2021-10-07

Electrically conductive cellulose-based composite material

#30
20210222371
2021-07-22

Method for producing multi-layer paper

#31
20210214581
2021-07-15

DIELECTRIC HEATING OF FOAMABLE COMPOSITIONS

#32
20210189654
2021-06-24

Fibrous product

#33
20210172120
2021-06-10

COATED SUBSTRATE COMPRISING A SURFACE-TREATED, AQUEOUS-BASED POLYMER COATING AND METHODS OF MAKING AND USING THE SAME

#34
20210047781
2021-02-18

LOTION TREATED TISSUE PRODUCT

#35
20200290332
2020-09-17

High pressure decorative laminate having a top layer of energy cured acrylated urethane polymer

#36
20200232164
2020-07-23

Coated paperboard containers having an aqueous barrier coating

#37
20200190274
2020-06-18

LAMINATES

#38
20200123708
2020-04-23

REINFORCED PAPER, METHOD OF MAKING A REINFORCED PAPER, AND ARTICLE COMPRISING A REINFORCED PAPER

#39
20200109518
2020-04-09

METHOD FOR MANUFACTURING A COMPOSTABLE PLATE

#40
20190360156
2019-11-28

HINGE/TAPER CLAMP ROD HOLDER INSERT

#41
20190337264
2019-11-07

Surfacing materials and method of manufacture

#42
20190330801
2019-10-31

Method for producing paper impregnated by a supercritical-pressure fluid, and impregnated, particularly coloured paper

#43
20190284438
2019-09-19

DIELECTRIC HEATING OF FOAMABLE COMPOSITIONS

#44
20190271115
2019-09-05

Aqueous surface treatment composition for paper and board

#45
20190256265
2019-08-22

Disposable container produced with oxo-biodegradable material and preparing method thereof

#46
20190245214
2019-08-08

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

#47
20190218419
2019-07-18

DIELECTRIC HEATING OF FOAMABLE COMPOSITIONS

#48
20190168217
2019-06-06

Fluid flow device and method for making the same

#49
20190077138
2019-03-14

Surfacing materials and method of manufacture

#50
20180291560
2018-10-11

Method for preparing titanium dioxide-based synthetic paper

#51
20180291559
2018-10-11

Method for preparing active carbon-based special synthetic paper

#52
20180281493
2018-10-04

Printing paper without ink

#53
20180142418
2018-05-24

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

#54
20180135251
2018-05-17

Coated substrate comprising a surface-treated, aqueous-based polymer coating and methods of making and using the same

#55
20180105989
2018-04-19

Hinge/taper clamp rod holder insert

#56
20180080174
2018-03-22

Coating Composition

#57
20170370644
2017-12-28

Nozzle of a device for contact—free treatment of a running fiber web

#58
20170298573
2017-10-19

Water-based coatings for color sampling

#59
20170267820
2017-09-21

LAMINATES

#60
20170175337
2017-06-22

Water-free surface sizing composition and method for treating a paper substrate with same

#61
20170175336
2017-06-22

Method of producing scented tissue paper product

#62
20170106367
2017-04-20

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

#63
20170008227
2017-01-12

Method of use of polylactide and manufacturing a heat-sealed paper or board container or package

#64
20160362841
2016-12-15

Dispersible non-woven article and methods of making the same

#65
20160258113
2016-09-08

Lignin-based waterproof coating

#66
20160204443
2016-07-14

Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell

#67
20160200088
2016-07-14

Creation of a transparent polymer window with a field of lenses in a security paper substrate

#68
20160090696
2016-03-31

Systems and methods for reversing banknote limpness

#69
20150367654
2015-12-24

System and method for forming hydrophobic structures in a porous substrate

#70
20150252193
2015-09-10

Radiation-curable silicone composition

#71
20150122139
2015-05-07

SYSTEM AND METHOD FOR TRANSFERRING IMAGES ONTO SUBSTRATES

#72
20150086803
2015-03-26

Modified phenolic resins for making composite products

#73
20150086712
2015-03-26

Method for coating a paper web

#74
20150068671
2015-03-12

Method for producing a decorated sheet and use thereof

#75
20150068659
2015-03-12

DECORATIVE PAPER

#76
20150044375
2015-02-12

Dispersible nonwoven

#77
20150020985
2015-01-22

Wet strength treated paper and paperboard

#78
20140343172
2014-11-20

Coating composition

#79
20140041577
2014-02-13

Hinge/taper clamp rod holder insert

#80
20140022291
2014-01-23

Method of producing wall covering with relief in a continuous process

#81
20140004340
2014-01-02

LIGHT AND SMOOTH COATING FOR PAPER OR BOARD, OR A PAINT COATING, FORMED USING A COMPOSITE STRUCTURE

#82
20130345415
2013-12-26

Methods for biocompatible derivitization of cellulosic surfaces

#83
20130323620
2013-12-05

Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell

#84
20130269294
2013-10-17

Sterilizable and printable nonwoven packaging materials

#85
20130264007
2013-10-10

Process for production of finely fibrous cellulose composite prepreg sheet, process for production of finely fibrous cellulose composite sheet, and process for production of finely fibrous cellulose composite laminate sheet

#86
20130078437
2013-03-28

Method for producing a decorative film, as well as a decorative panel

#87
20120328772
2012-12-27

Coated paper making apparatus and method

#88
20120285646
2012-11-15

Process for the manufacture of paper products

#89
20110297311
2011-12-08

FILM FOR THE LAMINATION OF GRAPHIC MEDIA AND PRODUCTION METHOD THEREOF

#90
20110171460
2011-07-14

Laminate and Method for the Production Thereof

#91
20110162793
2011-07-07

Apparatus and method for producing waterproof structural corrugated paperboard

#92
20110061791
2011-03-17

Apparatus and method for producing waterproof structural corrugated paperboard

#93
20100239843
2010-09-23

Absorbent sheet exhibiting resistance to moisture penetration

#94
20100234524
2010-09-16

Products

#95
20100147457
2010-06-17

METHOD FOR PRODUCING AN ANTI-ADHESIVE SILICON COATING

#96
20100009168
2010-01-14

COATED PAPER OR BOARD PRODUCT AND PROCESS FOR THE PREPARATION THEREOF

#97
20090142606
2009-06-04

METHOD FOR PREPARING RETICULATED ORGANIC COATINGS ON A BASE

#98
20090017223
2009-01-15

PRE-PREG AND LAMINATE MANUFACTURE

#99
20080292875
2008-11-27

Method for applying one or more layers to a paper substrate

#100
20080233325
2008-09-25

Multi-layered liner, a multi-layered product which includes the release liner and a method for making the release liner

#101
20080199666
2008-08-21

Manufacture of an Impregnated Paper or Non-Woven

#102
20080044644
2008-02-21

Absorbent sheet exhibiting resistance to moisture penetration

#103
20080027154
2008-01-31

UV CURABLE COMPOSITIONS FOR USE IN ADHESION, REPAIR AND ARCHITECTURAL ENHANCEMENT

#104
20080026662
2008-01-31

Flexible Surface Having a UV Curable Waterproofing Composition

#105
20070271889
2007-11-29

Nonwoven fibrous mat for MERV filter and method

#106
20070235152
2007-10-11

On-machine coater

#107
20070160835
2007-07-12

Production method for an absorbent fiber product and corresponding absorbent fiber product

#108
20070154639
2007-07-05

Coated articles and methods of manufacture thereof

#109
20070122603
2007-05-31

Nonwoven fibrous mats and methods

#110
20060254735
2006-11-16

Processes and apparatus for producing cast coated papers

#111
20060252855
2006-11-09

Poly (vinyl alcohol)—based formaldehyde-free curable aqueous composition

#112
20060214320
2006-09-28

Carbon fiber paper construction and manufacturing process

#113
20060182979
2006-08-17

Resin treatment of fibrous sheets

#114
20060057925
2006-03-16

Nonwoven material for low friction bearing surfaces

#115
20060057302
2006-03-16

Process for coating a web with a coating powder

#116
20050214494
2005-09-29

Multi-layered release liner, a multi-layered product which includes the release liner and a method for making the release liner

#117
20050118910
2005-06-02

Base material for laminate and process for producing the same

#118
20050089703
2005-04-28

Tissue paper used for heat-sensitive stencil sheet, heat-sensitive stencil sheet, and method of making the same

#119
20050048207
2005-03-03

Treatment of natural polymer based materials and the products based thereon

#120
19004327
2025-05-20

Conductive carbon paper and preparation method and use thereof