ClassID:

126908

D21H17/42 - 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 containing ionic groups anionic

Sub-classes:
Recent Application in this class:
#1
20250188681
2025-06-12

SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX

#2
20250034813
2025-01-30

A METHOD FOR IMPROVING GREASE AND OIL RESISTANCE OF A FIBER BASED ARTICLE

#3
20240337070
2024-10-10

ADDITIVE COMPOSITIONS FOR PAPERMAKING

#4
20240175212
2024-05-30

WET LAID DISPOSABLE ABSORBENT STRUCTURES WITH HIGH WET STRENGTH AND METHOD OF MAKING THE SAME

#5
20240167226
2024-05-23

OIL-RESISTANT AGENT COMPOSITION

#6
20230407575
2023-12-21

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

#7
20230313467
2023-10-05

STRENGTH IMPROVEMENT VIA SPRAYBOOM APPLICATION

#8
20230122111
2023-04-20

COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE

#9
20210268783
2021-09-02

Light weight linerboard for corrugated board

#10
20210164166
2021-06-03

Method of producing absorbent structures with high wet strength, absorbency, and softness

#11
20210095424
2021-04-01

Method to produce a fibrous product comprising microfibrillated cellulose

#12
20210002830
2021-01-07

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

#13
20200232165
2020-07-23

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

#14
20200087859
2020-03-19

Strength additive system and method for manufacturing a web comprising cellulosic fibres

#15
20200080264
2020-03-12

Method for increasing the strength properties of a paper or board product

#16
20200056325
2020-02-20

Inorganic particle composite fiber, method for manufacturing same, and molded article

#17
20190390409
2019-12-26

Compositions and methods for improving properties of lignocellulosic materials

#18
20190368129
2019-12-05

Absorbent structures with high wet strength, absorbency, and softness

#19
20190249370
2019-08-15

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

#20
20190226148
2019-07-25

Method for manufacturing paper, device for manufacturing additive for manufacturing paper, and device for manufacturing paper

#21
20190218717
2019-07-18

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

#22
20190119857
2019-04-25

Method and treatment system for making of paper

#23
20180320316
2018-11-08

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

#24
20180105988
2018-04-19

Composition for use as a paper strength agent

#25
20180058011
2018-03-01

Method of producing absorbent structures with high wet strength, absorbency, and softness

#26
20180016746
2018-01-18

Polymer product in particle form and its use

#27
20170362776
2017-12-21

PRODUCTION OF PAPER AND BOARD

#28
20170183821
2017-06-29

Method for producing corrugated cardboard

#29
20170101740
2017-04-13

Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom

#30
20160215455
2016-07-28

Dispersion for producing abrasion-resistant surfaces

#31
20150299958
2015-10-22

High strength paper

#32
20150007956
2015-01-08

Silica-based sols

#33
20140345817
2014-11-27

System and process for improving paper and paper board

#34
20140174683
2014-06-26

Process for the production of paper

#35
20140158316
2014-06-12

Compositions used in paper and methods of making paper

#36
20140102649
2014-04-17

Method for producing paper, paperboard and cardboard having high dry strength

#37
20130139986
2013-06-06

Process for manufacturing paper and board having improved retention and drainage properties

#38
20120205065
2012-08-16

Method for producing paper, paperboard and cardboard having high dry strength

#39
20120193055
2012-08-02

Paper substrates useful in wallboard tape applications

#40
20120186765
2012-07-26

Process for the production of paper

#41
20120180969
2012-07-19

Copolymer, treatment agent for paper, and treated paper

#42
20120152476
2012-06-21

High strength paper

#43
20110315333
2011-12-29

Paper making process using binder/filler agglomerates

#44
20110308752
2011-12-22

Method for producing paper, card and board with high dry strength

#45
20110174453
2011-07-21

Polymer dispersion

#46
20110108225
2011-05-12

Paper substrates useful in wallboard tape applications

#47
20110048660
2011-03-03

Process for the production of paper, board and cardboard having high dry strength

#48
20110011546
2011-01-20

METHOD FOR CONTROLLING DEPOSIT FORMATION

#49
20100311888
2010-12-09

ACRYLIC THICKENER COMPRISING A BRANCHED HYDROPHOBIC-CHAIN FOR A PAPER COATING SLIP WITH IMPROVED WATER RETENTION

#50
20100170419
2010-07-08

Silica-based sols

#51
20100108279
2010-05-06

Method for producing paper, paperboard and cardboard having high dry strength

#52
20100089541
2010-04-15

Manufacture of filled paper

#53
20100084103
2010-04-08

Manufacture of paper or paperboard

#54
20100084102
2010-04-08

Papermaking additive and filled paper

#55
20100078930
2010-04-01

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

#56
20100078138
2010-04-01

Unruptured, ionic, swollen starch for use in papermaking

#57
20100048768
2010-02-25

Cellulosic product

#58
20100047404
2010-02-25

PACKAGING LAMINATE

#59
20100038266
2010-02-18

Packaging Laminate

#60
20090308551
2009-12-17

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

#61
20090050282
2009-02-26

Process for the manufacture of paper and board

#62
20090008050
2009-01-08

METHODS FOR PRODUCING WET-SPUN NON-WOVEN FABRICS

#63
20080292879
2008-11-27

Article formed into sheet, method for producing the same and exothermic formed article

#64
20080196851
2008-08-21

Method of producing high dry strength paper and cardboard and paper and cardboard thus obtained

#65
20080156448
2008-07-03

Method for making paper and cardboard with high dry strength and resulting papers and cardboards

#66
20080128102
2008-06-05

Composition and method for paper processing

#67
20080066880
2008-03-20

Method for paper processing

#68
20070272380
2007-11-29

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

#69
20070265358
2007-11-15

Anionic copolymers prepared in an inverse emulsion matrix

#70
20060289139
2006-12-28

Retention and drainage in the manufacture of paper

#71
20060266488
2006-11-30

Hydrophobic polymers and their use in preparing cellulosic fiber compositions

#72
20060260774
2006-11-23

Anionic-cationic polymer blend for surface size

#73
20060254464
2006-11-16

Process for the production of paper

#74
20060191656
2006-08-31

Paper substrates useful in wallboard tape applications

#75
20060185806
2006-08-24

Retention and drainage aids

#76
20060142465
2006-06-29

Aqueous composition

#77
20060142432
2006-06-29

Retention and drainage in the manufacture of paper

#78
20060065380
2006-03-30

Bicomponent strengthening system for paper

#79
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

#80
20050266758
2005-12-01

Wet-spun non-woven fabric and method for producing the same

#81
20050252629
2005-11-17

Swollen starch-latex compositions for use in papermaking

#82
20050155731
2005-07-21

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

#83
20050022956
2005-02-03

Anionic-cationic polymer blend for surface size