ClassID:

126899

D21H17/34 - 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 by reactions only involving carbon-to-carbon unsaturated bonds

Sub-classes:
Recent Application in this class:
#1
20250243150
2025-07-31

METHOD FOR OBTAINING BIO-SOURCED N-VINYLFORMAMIDE

#2
20250163651
2025-05-22

METHOD FOR PRODUCING A FILTERING MATERIAL

#3
20250163647
2025-05-22

METHOD FOR PRODUCTION OF VINYL CARBOXAMIDE CONTAINING POLYMERS IN PARTICULATE FORM

#4
20250163646
2025-05-22

PARTICULATE VINYLAMINE COMPOSITIONS AND METHOD OF MAKING

#5
20250163194
2025-05-22

METHOD OF PRODUCING VINYLAMINE-CONTAINING POLYMERS

#6
20250092338
2025-03-20

Articles of Manufacture Comprising Nanocellulose Elements

#7
20250075154
2025-03-06

Articles of Manufacture Comprising Nanocellulose Elements

#8
20250066699
2025-02-27

Articles of Manufacture Comprising Nanocellulose Elements

#9
20240360262
2024-10-31

COPOLYMER, TREATMENT AGENT, AND PREPARATION METHOD THEREFOR AND USE THEREOF

#10
20240344274
2024-10-17

DISPERSIBLE PAPER, METHOD FOR PRODUCING SAME, PACKAGING AND USE OF SAID PAPER

#11
20240301627
2024-09-12

TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERSION FOR USE IN MAKING THE TREATED ARTICLE

#12
20240270681
2024-08-15

Method for obtaining bio-sourced N-vinylformamide

#13
20240150965
2024-05-09

OIL-RESISTANT AGENT COMPOSITION

#14
20240125051
2024-04-18

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

#15
20240003089
2024-01-04

Treated article, methods of making the treated article, and dispersion for use in making the treated article

#16
20230407573
2023-12-21

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

#17
20230227758
2023-07-20

Articles of manufacture comprising nanocellulose elements

#18
20220412010
2022-12-29

Articles of manufacture comprising nanocellulose elements

#19
20220403301
2022-12-22

Articles of manufacture comprising nanocellulose elements

#20
20220307201
2022-09-29

Method of producing a fibrous product and a fibrous product

#21
20220178078
2022-06-09

Treated article, methods of making the treated article, and dispersion for use in making the treated article

#22
20220033555
2022-02-03

Method for producing paper or cardboard

#23
20210395406
2021-12-23

REVERSIBLE CROSS-LINKING SYSTEM FOR POLYVINYLAMINES

#24
20210189658
2021-06-24

Method for producing single-layer or multi-layer paper

#25
20200370244
2020-11-26

RECYCLABLE BARRIER PAPER

#26
20200362516
2020-11-19

Paper comprising aramid pulp suitable for electrochemical cells, and electrochemical cells made therefrom

#27
20200331231
2020-10-22

Method of producing a fibrous product and a fibrous product

#28
20200239650
2020-07-30

Systems and methods to produce treated cellulose filaments and thermoplastic composite materials comprising treated cellulose filaments

#29
20200086601
2020-03-19

Fiber sheets and structures comprising fiber sheets

#30
20190292729
2019-09-26

Modified creping adhesive formulation and creping methods using same

#31
20190211895
2019-07-11

Friction material comprising aramid

#32
20190127918
2019-05-02

Paper comprising aramid pulp and a friction paper made therefrom

#33
20190106842
2019-04-11

Method of producing a fibrous web containing natural and synthetic fibres

#34
20190031839
2019-01-31

Systems and methods to produce treated cellulose filaments and thermoplastic composite materials comprising treated cellulose filaments

#35
20190024319
2019-01-24

Use of an acrylate copolymer as retention aid in a method of making a substrate comprising cellulosic fibres

#36
20180363247
2018-12-20

Polymer for pitch and stickies deposition control in papermaking

#37
20180080175
2018-03-22

Increased drainage performance in papermaking systems using microfibrillated cellulose

#38
20170260694
2017-09-14

Fiber sheets and structures comprising fiber sheets

#39
20170240661
2017-08-24

Polymer product, method for producing the polymer and use of the polymer

#40
20170233950
2017-08-17

SOLIDIFYING COMPOSITION FOR PAPER AND CARDBOARD

#41
20170233947
2017-08-17

ADDITIVES FOR PAPERMAKING

#42
20170002518
2017-01-05

Papermaking agent composition and method for treating fibre stock

#43
20160369030
2016-12-22

Structured block copolymers

#44
20160362841
2016-12-15

Dispersible non-woven article and methods of making the same

#45
20160355990
2016-12-08

High basis weight tissue with low slough

#46
20160355984
2016-12-08

Fibrous structures and methods for making same

#47
20160319487
2016-11-03

Method for providing a pretreated filler composition and its use in paper and board manufacturing

#48
20160319485
2016-11-03

Filler aggregate composition and its production

#49
20160273140
2016-09-22

FLEXIBLE NON-WOVEN MAT

#50
20160186377
2016-06-30

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

#51
20160083908
2016-03-24

Paper composition and process for making the same

#52
20160010282
2016-01-14

Aqueous emulsion of a sizing agent

#53
20150354140
2015-12-10

Method of preparing a treated article and treated article formed therefrom

#54
20150345079
2015-12-03

Polymer and its preparation and use

#55
20150305814
2015-10-29

Online treated sealable and peelable medical paper for medical sterilization packaging

#56
20150305151
2015-10-22

SYNTHETIC PAPER

#57
20150259856
2015-09-17

Greaseproof paper having excellent folding resistance

#58
20150191874
2015-07-09

Water/oil resistant composition, article treated therewith, and processes for their production

#59
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

#60
20150183668
2015-07-02

Flocculation treatment agent

#61
20150107793
2015-04-23

Process for preparing particles which have a hydrophilic core coated with a hydrophobic polymeric layer

#62
20150068671
2015-03-12

Method for producing a decorated sheet and use thereof

#63
20140338242
2014-11-20

Composite boards and art frames including the same

#64
20140311696
2014-10-23

Dispersible articles and methods of making the same

#65
20140299286
2014-10-09

Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability

#66
20140290883
2014-10-02

Method of preparing a treated article and treated article formed therefrom

#67
20140275415
2014-09-18

Finely divided, starch-containing polymer dispersions, processes for their preparation and use as sizes in papermaking

#68
20140060763
2014-03-06

Aldehyde-functionalized polymers with enhanced stability

#69
20140050890
2014-02-20

High Basis Weight Tissue with Low Slough

#70
20130340963
2013-12-26

Debonder and softener compositions

#71
20130303725
2013-11-14

Quaternized polyethylenimines with a high quaternization degree

#72
20130252496
2013-09-26

Fibrous material for heat-sealing packaging suitable for medical use

#73
20130245168
2013-09-19

Finely divided, cationic or amphoteric, aqueous polymer dispersions, process for their preparation, their use, cationic or amphoteric protective colloids and their preparation

#74
20130180678
2013-07-18

Method of preparing a treated article and treated article formed therefrom

#75
20130056383
2013-03-07

Container from fibre based board and a method for producing such a container

#76
20130020042
2013-01-24

Debonder and softener compositions

#77
20120264888
2012-10-18

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

#78
20120248034
2012-10-04

METHODS OF MAKING AND USING LIQUID FILTER MEDIA

#79
20120225300
2012-09-06

WATER/OIL RESISTANT COMPOSITION, ARTICLE TREATED THEREWITH, AND PROCESSES FOR THEIR PRODUCTION

#80
20120180970
2012-07-19

Finely divided starch-containing polymer dispersions, method for the production thereof and use thereof as sizing agent in paper manufacturing

#81
20120132843
2012-05-31

USE OF COMPOSITE MATERIALS BASED ON CARBON NANOTUBES AS THICKENING AGENTS FOR AQUEOUS SOLUTIONS

#82
20120125552
2012-05-24

Creped tissue sheets treated with an additive composition according to a pattern

#83
20120101194
2012-04-26

Bimolecular inverse emulsion polymer

#84
20120090800
2012-04-19

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

#85
20120046404
2012-02-23

Paper coatings of amphiphilic, non-water-soluble comb-branched (meth)acrylic polymers, uses thereof

#86
20120012265
2012-01-19

Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability

#87
20110308751
2011-12-22

Cellulose articles containing an additive composition

#88
20110253333
2011-10-20

Paper making processes and system using enzyme and cationic coagulant combination

#89
20110251307
2011-10-13

Use of a styrene latex 100 nm in size as a rheological agent in a paper coating, the paper coating, and the method for obtaining it

#90
20110198048
2011-08-18

Enzymatic hydrolysis of a polymer comprising vinyl acetate monomer

#91
20110146925
2011-06-23

Aldehyde-functionalized polymers with enhanced stability

#92
20110104444
2011-05-05

Fibrous structures and methods for making same

#93
20110094695
2011-04-28

Method of controlling organic contaminants in pulp and paper making processes

#94
20100276095
2010-11-04

Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability

#95
20100236735
2010-09-23

Creped tissue sheets treated with an additive composition according to a pattern

#96
20100227072
2010-09-09

Phosphate-containing binders for nonwoven goods

#97
20100016478
2010-01-21

PAPER SIZE MIXTURES

#98
20090306276
2009-12-10

USE OF COMPOSITE MATERIALS BASED ON CARBON NANOTUBES AS THICKENING AGENTS FOR AQUEOUS SOLUTIONS

#99
20090139676
2009-06-04

ASA emulsification with ultrasound

#100
20090014140
2009-01-15

Paper making compositions and processes using protein particulate, colloidal pigment, and latex polymer combinations

#101
20080295985
2008-12-04

Cellulose articles containing an additive composition

#102
20080035292
2008-02-14

Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability

#103
20080023160
2008-01-31

Enzymatic hydrolysis of a polymer comprising vinyl acetate monomer

#104
20070284069
2007-12-13

Process for increasing the basis weight of sheet materials

#105
20070270608
2007-11-22

Compositions comprising a (poly)amine and a carboxylated carbohydrate

#106
20070246180
2007-10-25

Tissue products containing triggerable polymeric bonding agents

#107
20070246178
2007-10-25

Paper for gypsum wallboard

#108
20070218796
2007-09-20

Paper composite for billboards and banners

#109
20070137813
2007-06-21

Embossed tissue products

#110
20060289137
2006-12-28

Retention and drainage in the manufacture of paper

#111
20060106137
2006-05-18

Paper quality improver

#112
20060099393
2006-05-11

Composite thermoplastic sheets including natural fibers