ClassID:

126880

D21H17/15 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Non-macromolecular organic compounds containing elements other than carbon and hydrogen only; Carboxylic acids; Derivatives thereof Polycarboxylic acids, e.g. maleic acid

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

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#2
20250188681
2025-06-12

SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX

#3
20250188679
2025-06-12

STARCH-CELLULOSE COMPOSITE MATERIAL

#4
20250052006
2025-02-13

MOISTURE/OIL RESISTANT COMPOSITE MATERIALS

#5
20250012013
2025-01-09

Kombucha Cellulose-based Derivative Refined from a Symbiotic Colony of Bacteria and Yeast

#6
20240410113
2024-12-12

HIGH DURABILITY CARDBOARD PRODUCT AND METHOD FOR THE MANUFACTURING THEREOF

#7
20240352673
2024-10-24

WALLPAPER COMPOSITION AND WALLPAPER RELEASING FLAVORANT COMPONENT BY HEAT

#8
20240337069
2024-10-10

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#9
20240301629
2024-09-12

PROCESS FOR IMPROVING MOISTURE- AND WATER-RESISTANCE OF PAPER

#10
20240052571
2024-02-15

Moisture/oil resistant composite materials

#11
20240018724
2024-01-18

METHOD FOR PRODUCING A CELLULOSE-FIBRE-BASED DRINKING STRAW

#12
20230133654
2023-05-04

METHOD FOR MAKING MOISTURE-RESISTANT PAPER

#13
20230071802
2023-03-09

Ply fibrous product

#14
20220251783
2022-08-11

Starch-cellulose composite material

#15
20210301471
2021-09-30

Cellulosic fiber additive formed from Kombucha biofilms

#16
20210148052
2021-05-20

Method of producing hydrophobic paper

#17
20210102342
2021-04-08

Method for manufacturing paper or board and paper or board product

#18
20210030056
2021-02-04

Cigarette with outer wrapper

#19
20210030055
2021-02-04

Wrapping Paper For A Smoking Article

#20
20200377673
2020-12-03

Method for producing polymer solutions

#21
20200149223
2020-05-14

Softener composition

#22
20200063358
2020-02-27

Composition of matter in a post-refiner blend zone

#23
20200063353
2020-02-27

Cellulose and cellulose ester film

#24
20190376011
2019-12-12

NONWOVEN MATERIAL FOR CLEANING AND SANITIZING SURFACES

#25
20190226150
2019-07-25

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

#26
20190218717
2019-07-18

Method for manufacture of paper, board or the like and use of the composition

#27
20190161588
2019-05-30

LIGNOCELLULOSE COMPOSITE PRODUCTS

#28
20190100881
2019-04-04

Binder, sheet manufacturing apparatus, sheet manufacturing method, and sheet

#29
20190055695
2019-02-21

Release aid

#30
20190003125
2019-01-03

Sizing method for making paper and paper prepared thereof

#31
20180208817
2018-07-26

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

#32
20180105987
2018-04-19

Softener composition

#33
20170335512
2017-11-23

Process for individualizing trichomes

#34
20170306565
2017-10-26

Composition for sizing paper

#35
20170204565
2017-07-20

CREPING ADHESIVES AND METHODS FOR MAKING AND USING SAME

#36
20160194829
2016-07-07

PAPER PULPING PROCESS AND COMPOSITION

#37
20160039981
2016-02-11

Lignocellulose composite products

#38
20160010282
2016-01-14

Aqueous emulsion of a sizing agent

#39
20150376836
2015-12-31

Esterified cellulose pulp compositions and related methods

#40
20150368864
2015-12-24

Crosslinking/functionalization system for a paper or non-woven web

#41
20150273359
2015-10-01

Defoamer compositions and methods of using the same

#42
20150267095
2015-09-24

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

#43
20150175806
2015-06-25

Surface modified calcium carbonate containing minerals and its use

#44
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

#45
20140335367
2014-11-13

Composition and recording sheet with improved optical properties

#46
20140272213
2014-09-18

Packaging board, its use and products made thereof

#47
20140259458
2014-09-18

Processes and compositions for brightness improvement in paper production

#48
20140158316
2014-06-12

Compositions used in paper and methods of making paper

#49
20140090656
2014-04-03

Smoking articles having reduced ignition proclivity characteristics

#50
20120279421
2012-11-08

Water stable compositions and articles comprising starch and methods of making the same

#51
20120244337
2012-09-27

FIBERIZED THERMOSET BINDER AND METHOD OF USING

#52
20120216709
2012-08-30

WATER STABLE FIBERS AND ARTICLES COMPRISING STARCH, AND METHODS OF MAKING THE SAME

#53
20120125553
2012-05-24

Product for the sizing of paper

#54
20120114811
2012-05-10

Citrus paper application sheet for applying to freshly exposed or cut surfaces of fruit to prevent browning

#55
20120090800
2012-04-19

Composite intermediate, method for forming same, and use of the composite intermediate

#56
20110300376
2011-12-08

REINFORCEMENT OF PAPER PULP-BASED MATERIALS USING A REACTIVE ALKYD OLIGOMER CAPABLE OF FORMING A REPROCESSABLE REINFORCEMENT RESIN IN SITU

#57
20110290150
2011-12-01

COMPOSITION FOR SIZING PAPER

#58
20110240242
2011-10-06

Method and system using low fatty acid starches in paper sizing composition to inhibit deposition of multivalent fatty acid salts

#59
20100006250
2010-01-14

Fibrous structure comprising an oil system

#60
20090317549
2009-12-24

Composition and recording sheet with improved optical properties

#61
20090120450
2009-05-14

Smoking Articles Having Reduced Ignition Proclivity Characteristics

#62
20090107644
2009-04-30

Dry Strength System for the Production of Paper and Board

#63
20090017235
2009-01-15

Dual mode ink jet paper

#64
20080051539
2008-02-28

Curable composition

#65
20070113998
2007-05-24

Paper product and method of making

#66
20070113995
2007-05-24

Paper product and method of making

#67
20070082982
2007-04-12

Water stable compositions and articles comprising starch and methods of making the same

#68
20070082981
2007-04-12

Water stable compositions and articles comprising starch and methods of making the same

#69
20070082573
2007-04-12

Water stable fibers and articles comprising starch, and methods of making the same

#70
20070079945
2007-04-12

Water stable fibers and articles comprising starch, and methods of making the same

#71
20070049142
2007-03-01

Fibrous structure comprising an oil system

#72
20070044930
2007-03-01

Bulk softened fibrous structures

#73
20070020452
2007-01-25

Acquisition fiber in sheet form with low degree of yellowing and low odor

#74
20060252855
2006-11-09

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

#75
20060128816
2006-06-15

Defoamer emulsion compositions for pulp mill applications

#76
20050281927
2005-12-22

Citrus paper application sheet for applying to freshly exposed or cut surfaces of fruit to prevent browning

#77
20050133182
2005-06-23

Paper product and method of making field