ClassID:

126921

D21H17/55 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Macromolecular organic compounds; Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen Polyamides; Polyaminoamides; Polyester-amides

Recent Application in this class:
#1
20260139438
2026-05-21

WET LAID PAPER AND PAPERBOARD PRODUCTS WITH HIGH WET STRENGTH AND METHOD OF MAKING THE SAME

#2
20260139437
2026-05-21

AN INTERMEDIATE COMPOSITION

#3
20260132573
2026-05-14

STERILIZATION PAPER FOR WRAPPING MEDICAL DEVICES AND METHOD OF MANUFACTURING THE SAME

#4
20260071386
2026-03-12

METHODS OF FORMING PAPER PRODUCTS AND PAPER PRODUCTS FORMED THROUGH THE METHODS

#5
20260055554
2026-02-26

PULP COMPOSITION

#6
20250389086
2025-12-25

A method, a moulded multi-layered fibrous product, and use thereof

#7
20250361680
2025-11-27

Anionic Dry Strength Additives And Methods Thereof

#8
20250075432
2025-03-06

STRENGTHENING AGENTS AND PROCESSES FOR MAKING AND USING SAME

#9
20250052008
2025-02-13

RECYCLABLE PAPER OF HIGH WET STRENGTH

#10
20250043513
2025-02-06

A method for improving grease and oil resistance of a fiber based article

#11
20250034813
2025-01-30

A METHOD FOR IMPROVING GREASE AND OIL RESISTANCE OF A FIBER BASED ARTICLE

#12
20240351318
2024-10-24

IMPREGNATING COATING LAYER FOR INSULATING SHEETSAND MULTILAYER LAMINATES

#13
20240344271
2024-10-17

USE OF MODIFIED LIGNIN AS A WET END STRENGTH ADDITIVE

#14
20240279877
2024-08-22

FIBROUS STERILIZABLE MATERIAL FOR PACKAGING OF MEDICAL DEVICES AND TRAY OBTAINED FROM THE MATERIAL

#15
20240218603
2024-07-04

WET LAID PAPER AND PAPERBOARD PRODUCTS WITH HIGH WET STRENGTH AND METHOD OF MAKING THE SAME

#16
20240175212
2024-05-30

WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND METHOD OF MAKING THE SAME

#17
20240035232
2024-02-01

ADDITIVE COMPOSITIONS AND METHODS FOR PAPERMAKING WITH HIGH-KAPPA FURNISHES

#18
20230407575
2023-12-21

Wet laid disposable absorbent structures with high wet strength and method of making the same

#19
20230407571
2023-12-21

WET LAID PAPER AND PAPERBOARD PRODUCTS WITH HIGH WET STRENGTH AND METHOD OF MAKING THE SAME

#20
20230243102
2023-08-03

COMPOSITION FOR IMPROVING SOFTNESS OF TISSUE AND/OR TOWEL PRODUCTS

#21
20230203248
2023-06-29

PROCESS FOR MANUFACTURING WET STRENGTH RESINS

#22
20230127264
2023-04-27

ABRASIVE BACKING AND METHOD OF MAKING SAME

#23
20230122111
2023-04-20

COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE

#24
20220389660
2022-12-08

Aramid pulp and method for manufacturing the same

#25
20220333314
2022-10-20

Paper products incorporating surface enhanced pulp fibers and having decoupled wet and dry strengths and methods of making the same

#26
20220243403
2022-08-04

Method of manufacturing sanitary paper for dog feces and sanitary paper manufactured thereby

#27
20220195672
2022-06-23

Paper strength improvement using metal chelates and synthetic cationic polymers

#28
20220136174
2022-05-05

Methods and apparatus for manufacturing fiber-based produce containers

#29
20220090319
2022-03-24

Process for producing paper or board and a product thereof

#30
20220049429
2022-02-17

Fiber-based food containers

#31
20210404118
2021-12-30

CELLULOSE-BASED MATERIALS AND CONTAINERS MADE THEREFROM

#32
20210310193
2021-10-07

Process for Producing Paper or Paperboard, in Particular Label Paper or Paperboard Suited for Use as Packaging Material for Beverage Containers, and Paper or Paperboard Produced by This Process

#33
20210262169
2021-08-26

Method for manufacturing multi-layered fibrous web and multi-layered fibrous web

#34
20210164166
2021-06-03

Method of producing absorbent structures with high wet strength, absorbency, and softness

#35
20210164162
2021-06-03

METHOD AND APPARATUS FOR MANUFACTURING FIBER MOLDED ARTICLE, AND BINDING RAW MATERIAL AND METHOD FOR MANUFACTURING THE SAME

#36
20210140108
2021-05-13

Aramid-based paper with improved properties

#37
20210039856
2021-02-11

Methods and apparatus for manufacturing high-strength fiber-based beverage holders

#38
20200295328
2020-09-17

Papers useful as thermal insulation and flame barriers for battery cells

#39
20200256016
2020-08-13

Methods and apparatus for manufacturing fiber-based produce containers

#40
20200240080
2020-07-30

Lightweight Paper Board

#41
20200079950
2020-03-12

Glyoxylated polyacrylamide polymer composition, its use and method for increasing the strength properties of paper, board or the like

#42
20200056335
2020-02-20

Methods and apparatus for manufacturing fiber-based beverage holders

#43
20200032456
2020-01-30

Fibrous structures comprising acidic cellulosic fibers and methods of manufacturing the same

#44
20200024806
2020-01-23

Methods and apparatus for manufacturing fiber-based meat containers

#45
20200002895
2020-01-02

Method of manufacturing a toilet paper

#46
20200002893
2020-01-02

Pre-mix useful in the manufacture of a fiber based product

#47
20190376234
2019-12-12

Lightweight paper board

#48
20190368129
2019-12-05

Absorbent structures with high wet strength, absorbency, and softness

#49
20190301100
2019-10-03

Method for increasing dimensional stability of a paper or a board product

#50
20190249370
2019-08-15

Paper strength improving polymer composition and additive system, use thereof, and manufacture of paper products

#51
20190226147
2019-07-25

High bulk tissue comprising cross-linked fibers

#52
20190218718
2019-07-18

Process for making paper with improved filler retention and opacity while maintaining wet tensile strength

#53
20190024318
2019-01-24

Process for production of film comprising microfibrillated cellulose

#54
20190017225
2019-01-17

Superabsorbent material sat (super absorbent tissue)

#55
20190002804
2019-01-03

Composition, its use and method for removing and preventing wet strength resins from contaminating papermaking equipment

#56
20180298556
2018-10-18

Paper-Making Aid Composition and Process for Increasing Tensile Strength of Paper

#57
20180112359
2018-04-26

Blends of polymers as wet strengthening agents for paper

#58
20180112335
2018-04-26

Chemical method and system for the manufacture of fibrous yarn

#59
20180058011
2018-03-01

Method of producing absorbent structures with high wet strength, absorbency, and softness

#60
20180029767
2018-02-01

Method for manufacturing fiber-based meat containers

#61
20180029765
2018-02-01

Methods for manufacturing fiber-based beverage lids

#62
20180029764
2018-02-01

Methods and apparatus for manufacturing fiber-based meat containers

#63
20180023254
2018-01-25

High efficiency wet strength resins from new cross-linkers

#64
20170292223
2017-10-12

Wet strengthened fiber products, wet strengthening resins, and methods for making and using same

#65
20170292222
2017-10-12

Strengthening resins for paper products

#66
20170218571
2017-08-03

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer of copolymer

#67
20170073471
2017-03-16

Condensation polymers for antimicrobial applications

#68
20170058455
2017-03-02

Lightweight digital printing medium

#69
20170037574
2017-02-09

Aldehyde-functionalized polymers for paper strength and dewatering

#70
20170002518
2017-01-05

Papermaking agent composition and method for treating fibre stock

#71
20160326319
2016-11-10

Condensation polymers for antimicrobial applications

#72
20160281300
2016-09-29

Compositions and methods of making paper products

#73
20160265163
2016-09-15

Blends of polymers as wet strengthening agents for paper

#74
20160227977
2016-08-11

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#75
20160221043
2016-08-04

High efficiency disposable cellulosic wiper for cleaning residue from a surface

#76
20160201269
2016-07-14

High molecular weight and high cationic charge glyoxalated polyacrylamide copolymers and their methods of manufacture and use

#77
20160201267
2016-07-14

Compositions and methods of making paper products

#78
20160186377
2016-06-30

Formation of hydrated nanocellulose sheets with or without a binder for the use as a dermatological treatment

#79
20160153146
2016-06-02

Paper and methods of making paper

#80
20160047090
2016-02-18

Process to improve performance of wet-strength resins through base activation

#81
20160040011
2016-02-11

Strengthening resins for paper products

#82
20160024719
2016-01-28

Paint immersing process for insulating paper

#83
20160010282
2016-01-14

Aqueous emulsion of a sizing agent

#84
20160002860
2016-01-07

Method of applying fugitive hydrophobic treatment to tissue product

#85
20150345081
2015-12-03

Process for the manufacture of paper and paperboard

#86
20150298481
2015-10-22

Crease-resistant security film

#87
20150292145
2015-10-15

Random mat, shaped product of fiber reinforced composite material, and carbon fiber mat

#88
20150275438
2015-10-01

Wet strengthened fiber products, wet strengthening resins, and methods for making and using same

#89
20150267352
2015-09-24

Decor paper comprising self-dispersing pigments

#90
20150259859
2015-09-17

High efficiency wet strength resins from new cross-linkers

#91
20150259858
2015-09-17

High efficiency wet strength resins from new cross-linkers

#92
20150211183
2015-07-30

Paper products containing a polymeric wet strengthening agent

#93
20150211182
2015-07-30

Blends of polymers as wet strengthening agents for paper

#94
20150182092
2015-07-02

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#95
20150176215
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#96
20150176208
2015-06-25

Method for manufacturing paper using a cationic polymer obtained by hofmann degradation

#97
20150176206
2015-06-25

Compositions and methods of making paper products

#98
20150173583
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#99
20150173582
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#100
20150173581
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#101
20150164295
2015-06-18

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#102
20150159329
2015-06-11

Adhesive formulation and creping methods using same

#103
20150144281
2015-05-28

Absorbent sheets prepared with cellulosic microfibers

#104
20150144158
2015-05-28

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#105
20150144157
2015-05-28

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#106
20150129148
2015-05-14

Surfactant based brown stock wash aid treatment for papermachine drainage and dry strength agents

#107
20150129147
2015-05-14

High efficiency disposable cellulosic wiper

#108
20150122439
2015-05-07

High efficiency disposable cellulosic wiper

#109
20150122438
2015-05-07

High efficiency disposable cellulosic wiper

#110
20150122437
2015-05-07

High efficiency disposable cellulosic wiper

#111
20150122436
2015-05-07

High efficiency disposable cellulosic wiper

#112
20150122435
2015-05-07

High efficiency disposable cellulosic wiper

#113
20150122434
2015-05-07

High efficiency disposable cellulosic wiper

#114
20150122432
2015-05-07

High efficiency disposable cellulosic wiper

#115
20150083355
2015-03-26

Fibrous pulp and use thereof in a composite

#116
20150083353
2015-03-26

Electrical Insulating Paper

#117
20150068697
2015-03-12

Method for dissolving cationic starch, papermaking agent and its use

#118
20150068657
2015-03-12

FUNCTIONAL PULP-CONTAINING COMPOSITES FOR DRYWALL APPLICATIONS

#119
20150041092
2015-02-12

Method for making of paper, tissue, board or the like

#120
20150027650
2015-01-29

Process for the manufacture of paper and paperboard

#121
20150020988
2015-01-22

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer

#122
20150020985
2015-01-22

Wet strength treated paper and paperboard

#123
20140374043
2014-12-25

Cationic wet strength resin modified pigments in water-based latex coating applications

#124
20140345816
2014-11-27

Method of controlling retention and an intermediate product used in the method

#125
20140316072
2014-10-23

Graft polymers having oligoalkylenimine side chains, process for their preparation and their use

#126
20140272213
2014-09-18

Packaging board, its use and products made thereof

#127
20140262091
2014-09-18

COMPOSITIONS AND METHODS OF MAKING PAPER PRODUCTS

#128
20140209264
2014-07-31

Tissue having high improved cross-direction stretch

#129
20140166223
2014-06-19

Blends of polymers as wet strengthening agents for paper

#130
20140158316
2014-06-12

Compositions used in paper and methods of making paper

#131
20140144598
2014-05-29

High efficiency disposable cellulosic wiper

#132
20140144466
2014-05-29

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#133
20140124154
2014-05-08

Process for the production of paper and board

#134
20140069600
2014-03-13

Method for the emulsification of ASA with polyamidoamine epihalohydrin (PAE)

#135
20130118699
2013-05-16

Vinylamine containing copolymer microparticles as additives in papermaking

#136
20130081771
2013-04-04

Paper and methods of making paper

#137
20120248366
2012-10-04

Sizing compositions

#138
20120247697
2012-10-04

Polyamine Polyamidoamine Epihaloohydrin Compositions and Processes for Preparing and Using the Same

#139
20120199299
2012-08-09

Wet strength resins derived from renewable resources

#140
20120199298
2012-08-09

Wet strength resins derived from renewable resources

#141
20120180815
2012-07-19

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#142
20120107511
2012-05-03

Method Of Applying Fugitive Hydrophobic Treatment To Tissue Product

#143
20120073774
2012-03-29

METHOD FOR REDUCING DEPOSITS IN THE DRYING SECTION IN THE MANUFACTURE OF PAPER, PAPERBOARD, AND CARDBOARD

#144
20120043040
2012-02-23

Method of treating paper forming wire surface

#145
20110284176
2011-11-24

Thermosetting creping adhesive with reactive modifiers

#146
20110224374
2011-09-15

Glyoxalated N-vinylamine

#147
20110220308
2011-09-15

Acidified polyamidoamine adhesives, method of manufacture, and use for creping and ply bond applications

#148
20110168344
2011-07-14

Method for manufacturing paper, cardboard and paperboard using endo-beta-1,4-glucanases as dewatering means

#149
20110146924
2011-06-23

Method of moist creping absorbent paper base sheet

#150
20110132559
2011-06-09

Process for increasing the dry strength of paper, board and cardboard

#151
20110100575
2011-05-05

Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of fluid-containing papers

#152
20110079365
2011-04-07

Production of paper

#153
20100310776
2010-12-09

Cationic wet strength resin modified pigments in barrier coating applications

#154
20100304116
2010-12-02

Grease resistant coatings, articles and methods

#155
20100303981
2010-12-02

Grease resistant coatings, articles and methods

#156
20100282424
2010-11-11

Method for the production of paper, cardboard and card

#157
20100280203
2010-11-04

Graft polymers having oligoalkylenimine side chains, process for their preparation and their use

#158
20100279061
2010-11-04

METHOD OF FABRICATING A REINFORCED MEDIUM FOR ABRASIVE-COATED GRINDING MATERIAL, AND ABRASIVE-COATED GRINDING MATERIAL OBTAINED THEREFROM

#159
20100236737
2010-09-23

Process for the production of a cellulosic product

#160
20100184902
2010-07-22

Phosphoric Acid Quenched Creping Adhesive

#161
20100089542
2010-04-15

Aldehyde-functionalized polymers

#162
20090314446
2009-12-24

Low amidine content polyvinylamine, compositions containing same and methods

#163
20090277597
2009-11-12

Method for producing paper and cardboard

#164
20090272506
2009-11-05

Papers with a high filler material content and high dry strength

#165
20090260769
2009-10-22

METHOD FOR TREATING CELLULOSE-CONTAINING FIBERS OR PLANAR STRUCTURES CONTAINING CELLULOSE-CONTAINING FIBERS

#166
20090252980
2009-10-08

GREASE-RESISTANT FILMS AND COATINGS

#167
20090145566
2009-06-11

Method for producing high dry strength paper, paperboard or cardboard

#168
20090126890
2009-05-21

Glyoxalated N-vinylamine

#169
20090107644
2009-04-30

Dry Strength System for the Production of Paper and Board

#170
20090061275
2009-03-05

Carbonized Paper With High Strength And Its Preparation Method And Uses

#171
20090036577
2009-02-05

Method of stabilizing aqueous cationic polymers

#172
20090020139
2009-01-22

Disposable cellulosic wiper

#173
20080257507
2008-10-23

ACIDIFIED POLYAMIDOAMINE ADHESIVES, METHOD OF MANUFACTURE, AND USE FOR CREPING AND PLY BOND APPLICATIONS

#174
20080223216
2008-09-18

Aqueous composition for filter media with enhanced wet burst strength

#175
20080196852
2008-08-21

Method for the production of paper, cardboard and card

#176
20080176017
2008-07-24

Release liner with enhanced backside or second side

#177
20080145596
2008-06-19

Honeycomb containing poly(paraphenylene terephthalamide) paper with aliphatic polyamide binder and articles made therefrom

#178
20080006382
2008-01-10

Binders curable at room temperature with low blocking

#179
20080006381
2008-01-10

Binders curable at room temperature with low blocking

#180
20080000601
2008-01-03

Method for the production of paper, paperboard and cardboard

#181
20070272380
2007-11-29

Method of making a paper web containing refined long fiber using a charge controlled headbox

#182
20070233024
2007-10-04

Sanitary Thin Paper and Process for Producing the Same

#183
20070199165
2007-08-30

Polyvinylamine treatments to improve dyeing of cellulosic materials

#184
20070151684
2007-07-05

Creping adhesives comprising blends of polyaminoamide epihalolhydrin resins and polyamides

#185
20070137821
2007-06-21

Reduced byproduct polyamine-epihalohydrin resins

#186
20070107864
2007-05-17

Filler-containing paper and a method for the production of filler-containing paper

#187
20070056706
2007-03-15

Use of non-thermosetting polyamidoamines as dry-strength resins

#188
20060289137
2006-12-28

Retention and drainage in the manufacture of paper

#189
20060207736
2006-09-21

Phosphoric acid quenched creping adhesive

#190
20060201645
2006-09-14

Method for the production of paper

#191
20060169431
2006-08-03

Enhanced efficacy of fungicides in paper and paperboard

#192
20060162885
2006-07-27

Paper transparentizing agent

#193
20060032595
2006-02-16

Method of making a paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process

#194
20060014884
2006-01-19

Binders curable at room temperature with low blocking

#195
20060000570
2006-01-05

Amphoteric cationic polymers for controlling deposition of pitch and stickies in papermaking

#196
20050245151
2005-11-03

Nonwoven wiping material with improved quaternary salt release properties

#197
20050222377
2005-10-06

Stable wet strength resin

#198
20050217817
2005-10-06

Stable wet strength resin

#199
20050161181
2005-07-28

Method of using aldehyde-functionalized polymers to enhance paper machine dewatering

#200
20050155731
2005-07-21

Process for making abrasion resistant paper and paper and paper products made by the process

#201
20050025972
2005-02-03

Method for coloring cellulosic materials using cationic pigment dispersion

#202
20050006042
2005-01-13

Reduced by product polyamine-epihalohydrin resins

#203
15342524
2018-01-02

Method for manufacturing fiber-based produced containers