ClassID:

126891

D21H17/26 - 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 of natural origin; Derivatives thereof; Polysaccharides; Cellulose Ethers thereof

Recent Application in this class:
#1
20260139435
2026-05-21

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#2
20260117465
2026-04-30

Sanitary Tissue Products Comprising Non-wood Fibers and Having Improved Formation

#3
20260117464
2026-04-30

Characteristics of Non-wood Fibers and the Sanitary Tissue Products Comprising Them

#4
20260110142
2026-04-23

Sanitary Tissue Product Towels Comprising Non-wood Fibers

#5
20260103845
2026-04-16

Sanitary Tissue Product Rolls Comprising Non-wood Fibers

#6
20260103844
2026-04-16

Sanitary Tissue Product Rolls Comprising Non-wood Fibers

#7
20260098381
2026-04-09

Soft Sanitary Tissue Products Comprising Non-wood Fibers

#8
20250277104
2025-09-04

CONTINUOUS PROCESSING OF CELLULOSE NANOFIBRIL SHEETS THROUGH CONVENTIONAL EXTRUSION

#9
20250215649
2025-07-03

HIGH MOLECULAR WEIGHT GPAM WITH ANIONIC POLYSACCHARIDE PROMOTER

#10
20250188679
2025-06-12

STARCH-CELLULOSE COMPOSITE MATERIAL

#11
20250092338
2025-03-20

Articles of Manufacture Comprising Nanocellulose Elements

#12
20250075431
2025-03-06

PAPER MATERIAL WITH VIRUCIDAL, BIOCIDAL AND BARRIER PROPERTIES TO WATER, FATS AND OILS

#13
20250075154
2025-03-06

Articles of Manufacture Comprising Nanocellulose Elements

#14
20250066699
2025-02-27

Articles of Manufacture Comprising Nanocellulose Elements

#15
20240337069
2024-10-10

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#16
20240318045
2024-09-26

Water-Dispersible Sheet

#17
20240271368
2024-08-15

BARRIER COATING FOR PAPER AND PAPERBOARD

#18
20240263400
2024-08-08

USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERFORMANCE

#19
20240141591
2024-05-02

SHEET AND LAYERED BODY

#20
20240110336
2024-04-04

Premium Sanitary Tissue Products Comprising Non-wood Fibers

#21
20240093433
2024-03-21

A TREATMENT SYSTEM FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE

#22
20240026609
2024-01-25

Filter Paper for Cigarette Filters and Filter Comprising It

#23
20240018722
2024-01-18

Preparation method of tea residue fiber raw materials and application thereof

#24
20230383468
2023-11-30

Oil Resistant Article

#25
20230323605
2023-10-12

Sanitary Tissue Product Towels Comprising Non-wood Fibers

#26
20230323604
2023-10-12

Soft Sanitary Tissue Products Comprising Non-wood Fibers

#27
20230323598
2023-10-12

Sanitary Tissue Products Comprising Non-wood Fibers and Having Improved Formation

#28
20230320541
2023-10-12

Sanitary Tissue Product Rolls Comprising Non-wood Fibers

#29
20230320540
2023-10-12

Sanitary Tissue Products Comprising Once-Dried Fibers

#30
20230320539
2023-10-12

Characteristics of Non-wood Fibers and the Sanitary Tissue Products Comprising Them

#31
20230227758
2023-07-20

Articles of manufacture comprising nanocellulose elements

#32
20230122933
2023-04-20

USE OF A CELLULOSE DERIVATIVE AND METHOD FOR SURFACE SIZING

#33
20230115147
2023-04-13

Continuous processing of cellulose nanofibril sheets through conventional extrusion

#34
20230069108
2023-03-02

ASSEMBLIES OF FIBERS AND INORGANIC PARTICLES

#35
20220412010
2022-12-29

Articles of manufacture comprising nanocellulose elements

#36
20220403301
2022-12-22

Articles of manufacture comprising nanocellulose elements

#37
20220333314
2022-10-20

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

#38
20220251783
2022-08-11

Starch-cellulose composite material

#39
20220090319
2022-03-24

Process for producing paper or board and a product thereof

#40
20210348336
2021-11-11

Oil resistant article

#41
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

#42
20210253831
2021-08-19

Dispersion composition containing carboxymethyl cellulose

#43
20210230806
2021-07-29

WATER-DISINTEGRATABLE FIBER COMPOSITE MATERIAL

#44
20210156091
2021-05-27

Fiber assembly-forming method and fiber assembly-forming apparatus

#45
20210148053
2021-05-20

Hydrolytic sheet and method for manufacturing hydrolytic sheet

#46
20210010204
2021-01-14

Aramid fiber far-infrared emitting paper and preparation method thereof

#47
20210002830
2021-01-07

Method for manufacturing a multi-layered paperboard, multi-layered paperboard and composition for use in multi-layered paperboard manufacturing

#48
20200392255
2020-12-17

High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems

#49
20200308453
2020-10-01

WATER-DISPERSIBLE SHEET

#50
20190330803
2019-10-31

Method for improving the resistance of paper and paperboard to aqueous penetrants

#51
20190323177
2019-10-24

Saccharide fatty acid ester inorganic particle combinations

#52
20190249370
2019-08-15

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

#53
20190226150
2019-07-25

Bio-based PEC compositions as binders for fiber based materials, textiles, woven and nonwoven materials

#54
20190003128
2019-01-03

Hydrolysable sheet

#55
20190002658
2019-01-03

Method of producing films from high consistency enzyme fibrillated nanocellulose

#56
20180320316
2018-11-08

Dry strength agent composition and method for enhancing the dry strength of paper

#57
20180245289
2018-08-30

Surface sizing of dense films

#58
20180208817
2018-07-26

Protein adhesives containing an anhydride, carboxylic acid, and/or carboxylate salt compound and their use

#59
20180155875
2018-06-07

PROCESS FOR THE PRODUCTION OF PAPER OR PAPERBOARD, PAPER OR PAPERBOARD PRODUCT OBTAINED AND USES THEREOF

#60
20180105988
2018-04-19

Composition for use as a paper strength agent

#61
20170355098
2017-12-14

Treated porous material

#62
20170335520
2017-11-23

Biopolymer sizing agents

#63
20170335519
2017-11-23

Method of producing a filler

#64
20170314203
2017-11-02

Method and composition for detackifying organic contaminants in the process of pulping and papermaking

#65
20170143032
2017-05-25

Cigarette Paper with Improved Air-Permeability

#66
20170051456
2017-02-23

Process for producing at least one ply of a paper or board and a paper or board produced according to the process

#67
20150267095
2015-09-24

Protein adhesives containing an anhydride, carboxylic acid, and/or carboxylate salt compound and their use

#68
20150176209
2015-06-25

PROCESS FOR THE PRODUCTION OF PAPER AND BOARD

#69
20150164132
2015-06-18

Cigarette paper with improved air-permeability

#70
20150159328
2015-06-11

METHOD AND COMPOSITION FOR DETACKIFYING ORGANIC CONTAMINANTS IN THE PROCESS OF PULPING AND PAPERMAKING

#71
20150128830
2015-05-14

Sustainable adsorbable polymers

#72
20150083026
2015-03-26

Process for preparing self-binding pigment particles

#73
20140360692
2014-12-11

Filler for paper making process

#74
20140326423
2014-11-06

Water-disintegratable non-woven fibrous sheet

#75
20140165879
2014-06-19

Process for preparing self-binding pigment particles

#76
20140045073
2014-02-13

Porous membrane and process for preparing the same

#77
20140027078
2014-01-30

Paper that cannot be forged using solvents

#78
20130324711
2013-12-05

Process for obtaining carboxymethyl cellulose from agro-industrial residues and carboxymethyl cellulose and use thereof

#79
20120291671
2012-11-22

Filler for paper making process

#80
20120003477
2012-01-05

Polysaccharide-based pigments and fillers

#81
20100186917
2010-07-29

Filler composition

#82
20090107645
2009-04-30

Process for the Production of a Paper and a Paper Produced According to the Process

#83
20080223536
2008-09-18

Paper Comprising Quaternary Nitrogen Containing Cellulose Ether

#84
20080169073
2008-07-17

PITCH AND STICKIES CONTROL IN PULP AND PAPERMAKING PROCESSES

#85
20080023164
2008-01-31

Process for Producing a Paper or Board and a Paper or Board Produced According to the Process

#86
20070284070
2007-12-13

Paper Manufacturing Process

#87
20070272380
2007-11-29

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

#88
20070181038
2007-08-09

Pigment particles coated with polysaccharides and having improved properties

#89
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

#90
20050279474
2005-12-22

Filler for paper making process

#91
20050155520
2005-07-21

Filler for papermaking process

#92
20050028955
2005-02-10

Tissue product containing carboxylated cellulosic fibers