ClassID:

127002

D21H21/20 - page 2 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper; Reinforcing agents Wet strength agents

Recent Application in this class:
#301
20150122439
2015-05-07

High efficiency disposable cellulosic wiper

#302
20150122438
2015-05-07

High efficiency disposable cellulosic wiper

#303
20150122437
2015-05-07

High efficiency disposable cellulosic wiper

#304
20150122436
2015-05-07

High efficiency disposable cellulosic wiper

#305
20150122435
2015-05-07

High efficiency disposable cellulosic wiper

#306
20150122434
2015-05-07

High efficiency disposable cellulosic wiper

#307
20150122432
2015-05-07

High efficiency disposable cellulosic wiper

#308
20150114582
2015-04-30

Sheets and fibrids comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole

#309
20150090414
2015-04-02

Method for producing water-disintegrable paper

#310
20150083353
2015-03-26

Electrical Insulating Paper

#311
20150059998
2015-03-05

Furnish pretreatment to improve paper strength aid performance in papermaking

#312
20150059995
2015-03-05

Soft through air dried tissue

#313
20150041091
2015-02-12

Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention, wet strength, and dry strength in papermaking process

#314
20150041088
2015-02-12

Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process

#315
20150034264
2015-02-05

PAPER SUBSTRATES USEFUL IN WALLBOARD TAPE APPLICATIONS

#316
20150020985
2015-01-22

Wet strength treated paper and paperboard

#317
20140367062
2014-12-18

Soft bath tissues having low wet abrasion and good durability

#318
20140367061
2014-12-18

Soft bath tissues having low wet abrasion and good durability

#319
20140345816
2014-11-27

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

#320
20140284011
2014-09-25

Method for increasing the advantages of strength aids in the production of paper and paperboard

#321
20140272213
2014-09-18

Packaging board, its use and products made thereof

#322
20140262093
2014-09-18

Properties of paper materials

#323
20140238627
2014-08-28

Method of making a fabric-creped absorbent cellulosic sheet

#324
20140166223
2014-06-19

Blends of polymers as wet strengthening agents for paper

#325
20140158316
2014-06-12

Compositions used in paper and methods of making paper

#326
20140144598
2014-05-29

High efficiency disposable cellulosic wiper

#327
20140144466
2014-05-29

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

#328
20140124153
2014-05-08

Method of delivering a pigment dispersion and retention aid to a papermaking process

#329
20140044896
2014-02-13

Media used in digital high speed inkjet web press printing

#330
20140020858
2014-01-23

High efficiency wet strength resins from new cross-linkers

#331
20130299110
2013-11-14

Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking

#332
20130292074
2013-11-07

Absorbent cellulosic sheet having a variable local basis weight

#333
20130255898
2013-10-03

FIBROUS STRUCTURES EXHIBITING IMPROVED WET COMPRESSION PROPERTIES AND METHODS FOR MAKING SAME

#334
20130160959
2013-06-27

Compositions and methods of making paper products

#335
20130133847
2013-05-30

Furnish pretreatment to improve paper strength aid performance in papermaking

#336
20130081771
2013-04-04

Paper and methods of making paper

#337
20130029105
2013-01-31

High softness, high durability bath tissues with temporary wet strength

#338
20120325420
2012-12-27

Production of paper, card and board

#339
20120297560
2012-11-29

Dispersible wet wipes constructed with a plurality of layers having different densities and methods of manufacturing

#340
20120264888
2012-10-18

Process to produce an acylated vinylamine-containing polymer and its application as a papermaking additive

#341
20120255698
2012-10-11

Method and Composition for Improved Temporary Wet Strength

#342
20120199300
2012-08-09

Fabric-creped absorbent cellulosic sheet having a variable local basis weight

#343
20120199298
2012-08-09

Wet strength resins derived from renewable resources

#344
20120193055
2012-08-02

Paper substrates useful in wallboard tape applications

#345
20120180967
2012-07-19

Method of making a belt-creped absorbent cellulosic sheet

#346
20120180966
2012-07-19

Fabric-creped absorbent cellulosic sheet having a variable local basis weight

#347
20120180965
2012-07-19

Method of making a fabric-creped absorbent cellulosic sheet

#348
20120180815
2012-07-19

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

#349
20120160436
2012-06-28

Dispersible wet wipes constructed with a plurality of layers having different densities and methods of manufacturing

#350
20120145344
2012-06-14

Method of making a fabric-creped absorbent cellulosic sheet

#351
20120145341
2012-06-14

Method of making a fabric-creped absorbent cellulosic sheet

#352
20120111519
2012-05-10

Fibrous support intended to be impregnated with liquid

#353
20120103548
2012-05-03

Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking

#354
20120080157
2012-04-05

Degrading agent compositions for temporary wet strength systems in tissue products

#355
20120067535
2012-03-22

Process for improving paper strength

#356
20120067534
2012-03-22

Process for improving paper strength

#357
20120035306
2012-02-09

Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio

#358
20120028527
2012-02-02

Ultra Low Formaldehyde Binders for Nonwoven Substrates

#359
20110300394
2011-12-08

Process for preparing stable dispersions of starch particles

#360
20110277947
2011-11-17

Cellulose nanofilaments and method to produce same

#361
20110263814
2011-10-27

Membrane separation process for removing residuals from polyamine-epihalohydrin resins

#362
20110139388
2011-06-16

Processes for manufacture of a dry strength paper and methods for imparting dry strength to paper using a cationic starch graft polymer

#363
20110108225
2011-05-12

Paper substrates useful in wallboard tape applications

#364
20110079365
2011-04-07

Production of paper

#365
20110056640
2011-03-10

Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems

#366
20110031156
2011-02-10

Solvent-resistant liquid packaging board, its manufacturing method and use, and a drinking cup made of the same

#367
20110011545
2011-01-20

Fabric creped absorbent sheet with variable local basis weight

#368
20100311296
2010-12-09

DYED CELLULOSE COMMINUTION SHEET, DYED NONWOVEN MATERIAL, AND PROCESSES FOR THEIR PRODUCTION

#369
20100310883
2010-12-09

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

#370
20100304116
2010-12-02

Grease resistant coatings, articles and methods

#371
20100303981
2010-12-02

Grease resistant coatings, articles and methods

#372
20100288457
2010-11-18

Process for improving paper strength

#373
20100282423
2010-11-11

Fabric crepe/draw process for producing absorbent sheet

#374
20100269995
2010-10-28

Sulfopolyesters for paper strength and process

#375
20100263573
2010-10-21

Aqueous composition containing a carbonate of zirconium and of an alkaline metal salt, and an ammonium halide, as well as its use thereof

#376
20100255207
2010-10-07

Dispersions of higher crystallinity olefins

#377
20100236737
2010-09-23

Process for the production of a cellulosic product

#378
20100227074
2010-09-09

Method Of Preparation Of An Aqueous Composition Of Zirconium Carbonate And An Alkaline Metal Salt And Use Thereof

#379
20100227072
2010-09-09

Phosphate-containing binders for nonwoven goods

#380
20100193147
2010-08-05

Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio

#381
20100190948
2010-07-29

Temporary wet strength resin for paper applications

#382
20100151164
2010-06-17

Moisture resistant container

#383
20100137514
2010-06-03

Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymers

#384
20100126684
2010-05-27

Method of increasing filler content in papermaking

#385
20100089542
2010-04-15

Aldehyde-functionalized polymers

#386
20100078930
2010-04-01

Crumple-resistant security sheet, a method of manufacturing such a sheet, and a security document including such a sheet

#387
20100043990
2010-02-25

BIOPOLYMERS AS WET STRENGTH ADDITIVES

#388
20100006249
2010-01-14

Method of producing absorbent sheet with increased wet/dry CD tensile ratio

#389
20100000694
2010-01-07

PAPER PRODUCT AND METHOD FOR PRODUCTION THEREOF AND USE THEREOF

#390
20090308551
2009-12-17

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

#391
20090301675
2009-12-10

Wet-pressed tissue and towel products with elevated CD stretch and low tensile ratios made with a high solids fabric crepe process

#392
20090294079
2009-12-03

Absorbent sheet made by fabric crepe process

#393
20090283231
2009-11-19

Temporary wet strength resin for paper applications

#394
20090260769
2009-10-22

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

#395
20090229776
2009-09-17

TEMPORARY WET STRENGTH AGENTS AND PRODUCTS MADE FROM SUCH AGENTS

#396
20090223645
2009-09-10

Method and composition for improved temporary wet strength

#397
20090218059
2009-09-03

Salt-sensitive cationic polymeric binders for nonwoven webs and method of making the same

#398
20090211718
2009-08-27

Fibrous support intended to be impregnated with liquid

#399
20090165978
2009-07-02

Blends of glyoxalated polyacrylamides and paper strengthening agents

#400
20090159223
2009-06-25

Fabric creped absorbent sheet with variable local basis weight

#401
20090120601
2009-05-14

Papermaking Process

#402
20090120598
2009-05-14

Fabric creped absorbent sheet with variable local basis weight

#403
20090114357
2009-05-07

Temporary wet strength system for tissue paper

#404
20090020139
2009-01-22

Disposable cellulosic wiper

#405
20090008051
2009-01-08

Wet strength enhancers for paper

#406
20080302497
2008-12-11

Paper Product with Increased Relative Wet Tensile Strength and Softness, Method for Production and Use Thereof

#407
20080257509
2008-10-23

Method for an Arrangement at a Paper Machine

#408
20080245492
2008-10-09

Fabric crepe process for making absorbent sheet

#409
20080241483
2008-10-02

RECORDING SUPPORT

#410
20080236772
2008-10-02

Absorbent sheet made by fabric crepe process

#411
20080207867
2008-08-28

Household thin paper

#412
20080196849
2008-08-21

Textured cellulosic wet wipes

#413
20080149287
2008-06-26

Polyacrylamide-based strengthening agent

#414
20080099172
2008-05-01

Polymeric boronic acid derivatives and their use for papermaking

#415
20080083519
2008-04-10

Method of producing absorbent sheet with increased wet/dry CD tensile ratio

#416
20080076314
2008-03-27

Wipe and methods for manufacturing and using a wipe

#417
20080073046
2008-03-27

Process for increasing the basis weight of sheet materials

#418
20080066881
2008-03-20

Membrane separation process for removing residuals polyamine-epihalohydrin resins

#419
20080029235
2008-02-07

Fabric creped absorbent sheet with variable local basis weight

#420
20080017339
2008-01-24

Temporary Wet Strength Agents And Products Made From Such Agents

#421
20070272380
2007-11-29

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

#422
20070265407
2007-11-15

Fine particle size lime slurries and their production

#423
20070255010
2007-11-01

Processes for making temporary wet strength additives

#424
20070251657
2007-11-01

Temporary wet strength additives

#425
20070078233
2007-04-05

Temporary wet strength resin for paper applications

#426
20070068642
2007-03-29

Wax emulsion coating applications

#427
20060292952
2006-12-28

Fiber mat and process for making same

#428
20060289138
2006-12-28

Wax emulsion coating applications

#429
20060289135
2006-12-28

Moisture resistant container

#430
20060249268
2006-11-09

Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio

#431
20060191656
2006-08-31

Paper substrates useful in wallboard tape applications

#432
20060185806
2006-08-24

Retention and drainage aids

#433
20060183867
2006-08-17

Processes for making temporary wet strength additives

#434
20060183816
2006-08-17

Additive system for use in paper making and process of using the same

#435
20060180288
2006-08-17

Processes for making temporary wet strength additives

#436
20060144541
2006-07-06

Softening agent pre-treated fibers

#437
20060142535
2006-06-29

Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems

#438
20060116448
2006-06-01

Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use

#439
20060070712
2006-04-06

Absorbent articles comprising thermoplastic resin pretreated fibers

#440
20060037727
2006-02-23

Blends of glyoxalated polyacrylamides and paper strengthening agents

#441
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

#442
20060014892
2006-01-19

Polyalkyldiallylamine-epihalohydrin resins as wet strength additives for papermaking and process for making the same

#443
20050241786
2005-11-03

Wet-pressed tissue and towel products with elevated CD stretch and low tensile ratios made with a high solids fabric crepe process

#444
20050222377
2005-10-06

Stable wet strength resin

#445
20050217817
2005-10-06

Stable wet strength resin

#446
20050217814
2005-10-06

Fabric crepe/draw process for producing absorbent sheet

#447
20050214335
2005-09-29

Textured cellulosic wet wipes

#448
20050161181
2005-07-28

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

#449
20050155732
2005-07-21

Paper making process and crosslinking compositions for use in same

#450
20050155731
2005-07-21

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

#451
20050123780
2005-06-09

Moisture resistant, repulpable paper products and method of making same

#452
20050087317
2005-04-28

Dispersable wet wipe

#453
20050082026
2005-04-21

Fibrous structures exhibiting improved wet strength properties

#454
20050082025
2005-04-21

Composition for increasing cellulosic product strength and method of increasing cellulosic product strength

#455
20050082024
2005-04-21

Temporary wet strength additives

#456
20050082023
2005-04-21

Temporary wet strength resins

#457
20050028956
2005-02-10

Method for making tissue product containing carboxylated cellulosic fibers

#458
20050028955
2005-02-10

Tissue product containing carboxylated cellulosic fibers

#459
20050020162
2005-01-27

Sortable adhesive coated paper articles