ClassID:

126874

D21H17/09 - 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 Sulfur-containing compounds

Recent Application in this class:
#1
20260028778
2026-01-29

COMPOSITION AND METHOD FOR CONTROLLING VOLATILE FATTY ACID CONTENT IN PULP, PAPER, AND/OR BOARD MAKING PROCESSES

#2
20250389086
2025-12-25

A method, a moulded multi-layered fibrous product, and use thereof

#3
20250188679
2025-06-12

STARCH-CELLULOSE COMPOSITE MATERIAL

#4
20240384472
2024-11-21

DRAINAGE AIDS AND THE USE THEREOF

#5
20240360626
2024-10-31

FOAM FORMULATIONS FOR APPLICATION OF DRY STRENGTH AGENTS

#6
20240052573
2024-02-15

STABLE CATIONIC POLYACRYLAMIDE DISPERSIONS AND USE THEREOF IN PAPERMAKING

#7
20230383108
2023-11-30

PROCESS FOR PRODUCTION OF CELLULOSE PARTICLES

#8
20230193562
2023-06-22

METHOD FOR CONTROLLING VOLATILE FATTY ACID CONTENT IN PULP, PAPER, AND/OR BOARD MAKING PROCESSES

#9
20220251783
2022-08-11

Starch-cellulose composite material

#10
20220154401
2022-05-19

Quaternary ammonium compound compositions and methods for making and using same

#11
20220056641
2022-02-24

Method for controlling growth of microorganisms and/or biofilms in an industrial process

#12
20210222366
2021-07-22

CELLULOSE FIBER-CONTAINING COMPOSITION AND SHEET

#13
20210047783
2021-02-18

Paper treatment agent

#14
20200385598
2020-12-10

Black coloring composition

#15
20200331895
2020-10-22

Optical brightener for whitening paper

#16
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

#17
20200308770
2020-10-01

Paper treatment agent

#18
20200240087
2020-07-30

Paperboard product

#19
20200224369
2020-07-16

Quaternary ammonium compound compositions and methods for making and using same

#20
20200199818
2020-06-25

Method for controlling growth of microorganisms and/or biofilms in an industrial process

#21
20190358984
2019-11-28

OPTICAL BRIGHTENING COMPOSITIONS FOR HIGH QUALITY INKJET PRINTING

#22
20190284760
2019-09-19

Method And System For Producing Market Pulp And Products Thereof

#23
20190226150
2019-07-25

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

#24
20190194871
2019-06-27

Fluorescent whitening agents and mixtures thereof

#25
20180333975
2018-11-22

Printed watermark

#26
20180313039
2018-11-01

Paperboard product

#27
20180258591
2018-09-13

Fluff dryer machine drainage aid

#28
20180202110
2018-07-19

CHEMICAL COMPOSITION FOR ANTI-CORROSION MINERAL PAPER

#29
20170314205
2017-11-02

Microorganism Control System and Method of Using the Same

#30
20170313838
2017-11-02

CNF cellular solid material with anionic surfactants

#31
20170056545
2017-03-02

PROCESS FOR MANUFACTURING ABSORBENT SANITARY PAPER PRODUCTS

#32
20160369455
2016-12-22

METHODS FOR REMOVING HEMICELLULOSE

#33
20160361698
2016-12-15

Method for reducing critical micelle concentration, and surfactant composition

#34
20160312409
2016-10-27

OPTICAL BRIGHTENING COMPOSITIONS FOR HIGH QUALITY INK JET PRINTING

#35
20160221233
2016-08-04

Method of forming a fibrous product

#36
20160177098
2016-06-23

Optical brightening agents for high quality ink-jet printing

#37
20160051920
2016-02-25

Filter material for air filter, method for manufacturing same, and air filter provided with same

#38
20150345082
2015-12-03

OPTICAL BRIGHTENING COMPOSITIONS FOR HIGH QUALITY INKJET PRINTING

#39
20150184343
2015-07-02

METHODS FOR REMOVING HEMICELLULOSE

#40
20150114581
2015-04-30

Fibrous web of paper or board and method of making the same

#41
20150107793
2015-04-23

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

#42
20140259458
2014-09-18

Processes and compositions for brightness improvement in paper production

#43
20130206350
2013-08-15

Method for improving brightness in bleached pulp

#44
20130118698
2013-05-16

Method for Preparing White Paper

#45
20130087298
2013-04-11

Sensor Wipe For Detecting Surface Conditions

#46
20120186766
2012-07-26

MANUFACTURING A PAPERY ARTICLE

#47
20120186762
2012-07-26

PRODUCING HALF-STUFFS FOR THE MANUFACTURE OF PAPERY ARTICLES

#48
20120002040
2012-01-05

Apparatus, system, and method for increasing measurement accuracy in a particle imaging device using light distribution

#49
20110226993
2011-09-22

Improved Optical Brightening Compositions for High Quality Ink Jet Printing

#50
20110151149
2011-06-23

Printable substrates with improved brightness from OBAs in presence of multivalent metal salts

#51
20110079365
2011-04-07

Production of paper

#52
20100330857
2010-12-30

Soil resist method

#53
20100319865
2010-12-23

Pulp for Odor Control

#54
20100304166
2010-12-02

Fiber products

#55
20100129553
2010-05-27

Optical Brightening Compositions For High Quality Inkjet Printing

#56
20100126683
2010-05-27

Paper Dyeing Process

#57
20090117798
2009-05-07

Sheet for use as filter, mask or the like having bacteria adsorbing function

#58
20080290320
2008-11-27

Amphoteric stilbene composition

#59
20070131373
2007-06-14

Method of decreasing the rate of photoyellowing with thiocyanic acid

#60
20070072971
2007-03-29

Fiber dispersant-containing systems

#61
20070012412
2007-01-18

Laminate paper having increased pH stability and method of making same

#62
20060246383
2006-11-02

Amphoteric stilbene composition

#63
20060229393
2006-10-12

Compositions and methods for enhancing brightness and brightness stabilization in papermaking

#64
20060225856
2006-10-12

Papermaking using modified sheet silicates as microparticles

#65
20060030707
2006-02-09

Triazinylaminostilbene disulphonic acid mixtures

#66
20060030629
2006-02-09

Emulsions for composite materials

#67
20060029567
2006-02-09

Material for odor control

#68
20050274472
2005-12-15

Flame resistant paper product and method for manufacturing

#69
20050077022
2005-04-14

Compositions for reducing paper linting and dusting

#70
15006956
2016-12-06

Formulation of optical brighteners for papermaking