ClassID:

126894

D21H17/29 - 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; Starch cationic

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

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#2
20250347056
2025-11-13

Glycoxylated Starch Additive for Pulp Products

#3
20250347053
2025-11-13

KRAFT PAPER

#4
20250207330
2025-06-26

EXTRUDED STARCH AND PROCESS OF PRODUCING PAPER

#5
20250154721
2025-05-15

TRANSPARENT PAPER

#6
20240401275
2024-12-05

PACKAGING MATERIAL MADE OF UNBLEACHED KRAFT PAPER, SLEEVE PRODUCED THEREFROM, AND METHOD FOR MANUFACTURING SAME

#7
20240352675
2024-10-24

BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER OR PAPERBOARD SUBSTRATES AT THE WET END OF A PAPERMAKING PROCESS

#8
20240337069
2024-10-10

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#9
20240217848
2024-07-04

A method for producing cationic saccharides

#10
20240175215
2024-05-30

WATER RESISTANT AND REPULPABLE COMPOSITIONS

#11
20240167227
2024-05-23

BARRIER COATINGS APPLIED TO NANOCELLULOSE-COATED PAPER AND PAPERBOARD

#12
20240093433
2024-03-21

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

#13
20230332357
2023-10-19

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

#14
20230304226
2023-09-28

GLYOXYLATED STARCH ADDITIVE FOR PULP PRODUCTS

#15
20230212820
2023-07-06

High cationic starch as a promoter in AKD sizing emulsions

#16
20230203756
2023-06-29

Papermaking agent, manufacturing method for papermaking agent and paper

#17
20230136850
2023-05-04

FUNCTIONAL PAPER FOR ELECTRONICS PRINTING AND METHODS OF MAKING

#18
20230135217
2023-05-04

Multilayer film comprising highly refined cellulose fibers

#19
20230053998
2023-02-23

PRODUCT CONTAINING AN ANIONIC CELLULOSE DERIVATIVE AND ITS USE IN PAPER INDUSTRY

#20
20220403602
2022-12-22

Packing paper

#21
20220136174
2022-05-05

Methods and apparatus for manufacturing fiber-based produce containers

#22
20220127789
2022-04-28

Method for producing cellulose pulp, cellulose pulp and use thereof, paper

#23
20220112662
2022-04-14

Biocomposite material

#24
20220090319
2022-03-24

Process for producing paper or board and a product thereof

#25
20220089842
2022-03-24

STARCH COMPOSITION

#26
20220049429
2022-02-17

Fiber-based food containers

#27
20220018065
2022-01-20

METHOD OF PRODUCING HOLOCELLULOSE AND PAPER STRENGTH AGENT, PROCESS FOR THE PRODUCTION OF PAPER, THE PAPER PRODUCED AND USE OF THE PRODUCED PAPER

#28
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

#29
20210262169
2021-08-26

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

#30
20210214899
2021-07-15

ADHESIVE AND MULTI PLY PULP PRODUCT BONDED WITH THE ADHESIVE

#31
20210148052
2021-05-20

Method of producing hydrophobic paper

#32
20210102343
2021-04-08

Dry strength composition, its use and method for making of paper, board or the like

#33
20210087751
2021-03-25

LOW LINT TISSUE AND TOWEL PRODUCTS AND PROCESS FOR MAKING THE SAME

#34
20210054569
2021-02-25

Pulp molded product and method for manufacturing same

#35
20210017712
2021-01-21

UNBLEACHED PULP PRODUCT AND THE PROCESS OF PRODUCING THE SAME

#36
20210002830
2021-01-07

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

#37
20200407920
2020-12-31

Methods and apparatus for manufacturing fiber-based meat containers

#38
20200318292
2020-10-08

Method of manufacturing of a foam-formed cellulosic fibre-material, a bulk sheet and a laminated packaging material comprising the cellulosic fibre-material

#39
20200256016
2020-08-13

Methods and apparatus for manufacturing fiber-based produce containers

#40
20200024806
2020-01-23

Methods and apparatus for manufacturing fiber-based meat containers

#41
20200002893
2020-01-02

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

#42
20190382959
2019-12-19

Method of preparing a sizing boost additive

#43
20190242065
2019-08-08

Dry strength composition, its use and method for making of paper, board or the like

#44
20190226150
2019-07-25

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

#45
20190218711
2019-07-18

Method for simultaneously pressing and cutting a molded fiber part

#46
20190055696
2019-02-21

Compositions and methods for treating filler in papermaking

#47
20190048529
2019-02-14

System and method for manufacture of paper, board or the like

#48
20190024318
2019-01-24

Process for production of film comprising microfibrillated cellulose

#49
20180340296
2018-11-29

Die press assembly for drying and cutting molded fiber parts

#50
20180313038
2018-11-01

Process for reducing lint from tissue and towel products

#51
20180202111
2018-07-19

Production of sack paper

#52
20180030658
2018-02-01

Methods and Apparatus For Manufacturing Fiber-Based Produce Containers

#53
20180029767
2018-02-01

Method for manufacturing fiber-based meat containers

#54
20180029765
2018-02-01

Methods for manufacturing fiber-based beverage lids

#55
20180029764
2018-02-01

Methods and apparatus for manufacturing fiber-based meat containers

#56
20170369695
2017-12-28

Treatment of calcium carbonate containing materials for increased filler load in paper

#57
20170314203
2017-11-02

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

#58
20170284028
2017-10-05

Sizing composition, its use and a method for producing paper, board or the like

#59
20170268176
2017-09-21

Strength agent, its use and method for increasing strength properties of paper

#60
20170166741
2017-06-15

FINELY DIVIDED, STARCH-CONTAINING POLYMER DISPERSIONS, PROCESSES FOR THEIR PREPARATION AND USE AS SIZES IN PAPERMAKING

#61
20170143032
2017-05-25

Cigarette Paper with Improved Air-Permeability

#62
20170121909
2017-05-04

Wet end chemicals for dry end strength in paper

#63
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

#64
20160369457
2016-12-22

Paper Products and Methods for Manufacture Thereof

#65
20160326698
2016-11-10

Methods, Processes, and Compositions for Treating Pulp

#66
20160289896
2016-10-06

Method for treating a fibre stock for making of paper, board or the like and product

#67
20160273166
2016-09-22

Papermaking agent system, method for making a papermaking agent system and its use

#68
20160201265
2016-07-14

Method for preparing furnish and paper product

#69
20160145807
2016-05-26

METHOD OF PRODUCING A PIGMENT CONTAINING, CATIONIC, HIGH SOLIDS AQUEOUS DISPERSION, AQUEOUS DISPERSION CONTAINING PIGMENTS, AND USE THEREOF

#70
20160010283
2016-01-14

ENHANCED BULK AND HIGH STRENGTH PAPER

#71
20150315056
2015-11-05

Method for thickening or dehydrating sludge

#72
20150299958
2015-10-22

High strength paper

#73
20150218756
2015-08-06

Method for making paper product and paper product

#74
20150197890
2015-07-16

FILLER SUSPENSION AND ITS USE IN THE MANUFACTURE OF PAPER

#75
20150184344
2015-07-02

Mixtures of polyvinylamines and of liquid compositions of cationic amylaceous materials as agents for improving the dry strength of paper and cardboard

#76
20150167247
2015-06-18

AQUEOUS SUSPENSIONS OF TITANIUM DIOXIDE AND CATIONIC AMYLACEOUS MATTER, INTENDED FOR THE PRODUCTION OF PAPER AND CARDBOARD

#77
20150164132
2015-06-18

Cigarette paper with improved air-permeability

#78
20150159328
2015-06-11

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

#79
20150114258
2015-04-30

Method for producing an emulsion of alkenyl succinic anhydride (ASA) in an aqueous solution of a cationic amylaceous substance, resulting emulsion, and use thereof

#80
20150096698
2015-04-09

Treatment of calcium carbonate containing materials for increased filler load in paper

#81
20150083026
2015-03-26

Process for preparing self-binding pigment particles

#82
20150068697
2015-03-12

Method for dissolving cationic starch, papermaking agent and its use

#83
20150068696
2015-03-12

Paperboards having improved bending stiffness and method for making same

#84
20140345816
2014-11-27

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

#85
20140044896
2014-02-13

Media used in digital high speed inkjet web press printing

#86
20130284389
2013-10-31

Starch composition for use in paper manufacture

#87
20130269894
2013-10-17

Process for the production of paper

#88
20130267632
2013-10-10

Aqueous starch containing polymer dispersion for paper applications

#89
20130180679
2013-07-18

Method for improving the removal of water

#90
20130040158
2013-02-14

BINDERS

#91
20120255694
2012-10-11

Soft creped tissue having slow wet out time

#92
20120255693
2012-10-11

Soft creped tissue

#93
20120152476
2012-06-21

High strength paper

#94
20120118523
2012-05-17

Composition and process for increasing the dry strength of a paper product

#95
20110247775
2011-10-13

Stable and aqueous compositions of polyvinylamines with cationic starch, and utility for papermaking

#96
20110196047
2011-08-11

Silica-based sols

#97
20110186253
2011-08-04

Process for making paper

#98
20100282425
2010-11-11

Cationic polysaccharide, its preparation and use

#99
20100236738
2010-09-23

Silica-based sols and their production and use

#100
20100230063
2010-09-16

PROCESS FOR MAKING PAPER USING CATIONIC AMYLOPECTIN STARCH

#101
20100224339
2010-09-09

SIZING COMPOSITION, METHOD FOR THE PRODUCTION OF SIZED PAPER OR SIZED PAPERBOARD AND SIZED PAPER OR SIZED PAPERBOARD

#102
20100186917
2010-07-29

Filler composition

#103
20100166968
2010-07-01

Method for Treating a Paper Product

#104
20100155338
2010-06-24

Method for the cationisation of legume starches, cationic starches thus obtained applications thereof

#105
20100089541
2010-04-15

Manufacture of filled paper

#106
20100084103
2010-04-08

Manufacture of paper or paperboard

#107
20100078138
2010-04-01

Unruptured, ionic, swollen starch for use in papermaking

#108
20090281212
2009-11-12

ALKENYLSUCCINIC ANHYDRIDE SURFACE-APPLIED SYSTEM AND USES THEREOF

#109
20090277355
2009-11-12

ALKENYLSUCCINIC ANHYDRIDE SURFACE-APPLIED SYSTEM AND USES THEREOF

#110
20090272506
2009-11-05

Papers with a high filler material content and high dry strength

#111
20090139677
2009-06-04

Aqueous alkylketene dimer dispersions

#112
20090139675
2009-06-04

Fine-Particled Polymer Dispersions Containing Starch

#113
20090107645
2009-04-30

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

#114
20090107360
2009-04-30

Cationic crosslinked starch containing compositions and use thereof

#115
20090044922
2009-02-19

Cationic crosslinked waxy starch products, a method for producing the starch products, and use in paper products

#116
20080308243
2008-12-18

Cationic Crosslinked Starch Containing Compositions and Use Thereof

#117
20080271865
2008-11-06

PIGMENTS FOR COLORED PAPER

#118
20080035293
2008-02-14

Process for manufacturing of paper

#119
20080023164
2008-01-31

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

#120
20070215301
2007-09-20

Method for making a low density multi-ply paperboard with high internal bond strength

#121
20070181275
2007-08-09

Use of calcuim carbonate particles in papermaking

#122
20070178125
2007-08-02

Process for the preparation of carnitine esters and their use

#123
20070169903
2007-07-26

Papermaking processes using coagulants and optical brighteners

#124
20070151688
2007-07-05

Process for the production of paper

#125
20070119560
2007-05-31

Method for producing paper, paperboard and cardboard

#126
20070009464
2007-01-11

Process for the preparation of hydroxy polymer esters and their use

#127
20060254738
2006-11-16

Cationic crosslinked starch containing compositions and use thereof

#128
20060254737
2006-11-16

Cationic crosslinked starch containing starch compositions and use thereof

#129
20060225855
2006-10-12

Method for the cationisation of legume starches, cationic starches thus obtained applications thereof

#130
20060213630
2006-09-28

Method for making a low density multi-ply paperboard with high internal bond strength

#131
20060180289
2006-08-17

Cationic liquid starchy composition and uses thereof

#132
20060169431
2006-08-03

Enhanced efficacy of fungicides in paper and paperboard

#133
20060162886
2006-07-27

Process for improving dry strength and drainage of paper and paperboard

#134
20060106137
2006-05-18

Paper quality improver

#135
20060060814
2006-03-23

Alkenylsuccinic anhydride surface-applied system and method for using the same

#136
20060037512
2006-02-23

Alkenylsuccinic anhydride compositions and method for using the same

#137
20060021725
2006-02-02

High strength dimensionally stable core

#138
20050252629
2005-11-17

Swollen starch-latex compositions for use in papermaking

#139
20050229925
2005-10-20

Method for the treatment of starch

#140
20050228058
2005-10-13

Silica-based sols and their production and use

#141
20050113462
2005-05-26

Silica-based sols

#142
20050061462
2005-03-24

Aqueous silica-containing composition

#143
20050032643
2005-02-10

Heat-sensitive recording material

#144
20050032642
2005-02-10

Heat-sensitive recording material

#145
15342524
2018-01-02

Method for manufacturing fiber-based produced containers