ClassID:

126885

D21H17/20 - 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

Sub-classes:
Recent Application in this class:
#1
20250146223
2025-05-08

COMPOSITE MYCELIUM MATERIALS WITH ENHANCED MECHANICAL AND AESTHETIC PROPERTIES, AND EMBOSSING METHODS FOR PRODUCING SAME

#2
20250128505
2025-04-24

PAPER WEB AND METHOD FOR FORMING A PAPER WEB

#3
20250116066
2025-04-10

FORMULATION FOR A FIBROUS NON-WOVEN FACING MATERIAL

#4
20250092338
2025-03-20

Articles of Manufacture Comprising Nanocellulose Elements

#5
20250075154
2025-03-06

Articles of Manufacture Comprising Nanocellulose Elements

#6
20250066699
2025-02-27

Articles of Manufacture Comprising Nanocellulose Elements

#7
20240247419
2024-07-25

VISCOSITY MODIFIED GLASS FIBER PRODUCTS

#8
20240240403
2024-07-18

FLUTING OR LINER COMPRISING NSSC PULP

#9
20230227758
2023-07-20

Articles of manufacture comprising nanocellulose elements

#10
20230182981
2023-06-15

CORRUGATED CARDBOARD, CORRUGATED BOX, AND METHOD FOR PACKAGING A WET PRODUCT

#11
20220412010
2022-12-29

Articles of manufacture comprising nanocellulose elements

#12
20220403301
2022-12-22

Articles of manufacture comprising nanocellulose elements

#13
20220307201
2022-09-29

Method of producing a fibrous product and a fibrous product

#14
20220243400
2022-08-04

FORMULATION FOR A FIBROUS NON-WOVEN FACING MATERIAL

#15
20210292971
2021-09-23

Sheet manufacturing apparatus

#16
20210230802
2021-07-29

EQUIPMENT FOR MANUFACTURING FIBER STRUCTURE, METHOD FOR MANUFACTURING FIBER STRUCTURE, AND FIBER STRUCTURE

#17
20210207327
2021-07-08

Soft high basis weight tissue

#18
20210148051
2021-05-20

SYSTEM FOR CONTINUOUS TREATMENT OF CELLULOSE PULPS

#19
20210108372
2021-04-15

Fibrous body manufacturing apparatus and fibrous body manufacturing method

#20
20210093490
2021-04-01

COMPOSITE WEBS

#21
20200407896
2020-12-31

Viscosity modified formaldehyde-free binder compositions and methods

#22
20200331231
2020-10-22

Method of producing a fibrous product and a fibrous product

#23
20200283960
2020-09-10

Zwitterionic imidazolinium surfactant and use in the manufacture of absorbent paper

#24
20200263332
2020-08-20

Mesh belt used in apparatus for producing water absorbing body

#25
20200240085
2020-07-30

Soft high basis weight tissue

#26
20200199819
2020-06-25

Manufacture of absorbent paper with low charge density imidazolinium containing debonder compositions

#27
20200109519
2020-04-09

Soft high basis weight tissue

#28
20200102703
2020-04-02

RECORDING MEDIUM MANUFACTURING APPARATUS

#29
20200086601
2020-03-19

Fiber sheets and structures comprising fiber sheets

#30
20200063355
2020-02-27

Paper bag

#31
20190330801
2019-10-31

Method for producing paper impregnated by a supercritical-pressure fluid, and impregnated, particularly coloured paper

#32
20190264394
2019-08-29

Method to form a web comprising fibers

#33
20190218718
2019-07-18

Process for making paper with improved filler retention and opacity while maintaining wet tensile strength

#34
20190127601
2019-05-02

Ink fixative solution

#35
20180251945
2018-09-06

Core/shell polymer particles as surface sizing agents

#36
20180245290
2018-08-30

Soft high basis weight tissue

#37
20180202109
2018-07-19

Manufacture of absorbent paper with low charge density imidazolinium containing debonder compositions

#38
20180202108
2018-07-19

Zwitterionic imidazolinium surfactant and use in the manufacture of absorbent paper

#39
20180112360
2018-04-26

Method of producing filler

#40
20170350076
2017-12-07

Soft high basis weight tissue

#41
20170203478
2017-07-20

Sheet manufacturing apparatus and sheet manufacturing method

#42
20170198438
2017-07-13

Sheet manufacturing apparatus and sheet manufacturing method

#43
20170121910
2017-05-04

Security sheet or document having one or more enhanced watermarks

#44
20170101739
2017-04-13

Tissue products comprising high carbohydrate content fillers

#45
20160361698
2016-12-15

Method for reducing critical micelle concentration, and surfactant composition

#46
20160333521
2016-11-17

Paper manufacturing apparatus, paper manufacturing method, and paper manufactured thereby

#47
20160333520
2016-11-17

Sheet manufacturing apparatus and defibrating unit

#48
20160326696
2016-11-10

Sheet manufacturing apparatus and sheet manufacturing method

#49
20160312405
2016-10-27

Sheet manufacturing apparatus and material defibrating apparatus

#50
20160193754
2016-07-07

Sheet manufacturing apparatus and sheet manufacturing method

#51
20150308048
2015-10-29

Roll and method for producing a roll

#52
20150275435
2015-10-01

Sheet manufacturing apparatus and sheet manufacturing method

#53
20150240129
2015-08-27

ADHESIVE PAPER AND MANUFACTURING METHOD OF ADHESIVE PAPER

#54
20150152602
2015-06-04

Security sheet or document having one or more enhanced watermarks

#55
20150107793
2015-04-23

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

#56
20140134909
2014-05-15

Viscosity modified formaldehyde-free binder compositions

#57
20130324711
2013-12-05

Process for obtaining carboxymethyl cellulose from agro-industrial residues and carboxymethyl cellulose and use thereof

#58
20130295809
2013-11-07

Heat resistance using titanium dioxide nanofibers

#59
20130139980
2013-06-06

Method and system for producing market pulp and products thereof

#60
20130095333
2013-04-18

Surface Treated Medium

#61
20120321784
2012-12-20

Printable paper, comprising water-resistant support

#62
20120199297
2012-08-09

Method of manufacturing disposable wipers and towels containing 40% or more post-consumer waste

#63
20120138248
2012-06-07

Paper substrate containing a wetting agent and having improved print mottle

#64
20120114811
2012-05-10

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

#65
20120090800
2012-04-19

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

#66
20110308751
2011-12-22

Cellulose articles containing an additive composition

#67
20110290437
2011-12-01

Dispersible Wet Wipes Made Using Short Cellulose Fibers for Enhanced Dispersibility

#68
20110290180
2011-12-01

Apparatus for impregnating web-like materials with thermally curable impregnating resin

#69
20110027593
2011-02-03

Fluorine-containing copolymer, paper processing agent, and coating film-forming agent for cosmetic preparation

#70
20110008631
2011-01-13

MULTI-PLY WEB OF FLEXIBLE MATERIAL, SUCH AS TISSUE PAPER OR NONWOVEN, AND PRODUCT, AND METHOD FOR IMPROVING THE BLEED FASTNESS OF A FLUORESCENT WHITENING AGENT OF A MULTI-PLY WEB

#71
20100285324
2010-11-11

Composition for surface colouration of paper

#72
20100285264
2010-11-11

Heat resistance using titanium dioxide nanofibers

#73
20100243186
2010-09-30

Disposable wipers and towels containing 40% or more post-consumer waste

#74
20100242796
2010-09-30

Emulsions for finishing textiles and paper

#75
20100186915
2010-07-29

Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength

#76
20100143646
2010-06-10

PAPER PRODUCTS HAVING SOLID SUPPORT MATERIALS

#77
20090239057
2009-09-24

Printable paper; process for producing printable paper; and use thereof

#78
20090165977
2009-07-02

Paper substrate containing a wetting agent and having improved print mottle

#79
20090165976
2009-07-02

EXPANSION AGENTS FOR PAPER-BASED MATERIALS

#80
20090126885
2009-05-21

Bulky water-disintegratable cleaning article and process for producing water-disintegratable paper

#81
20090068437
2009-03-12

Sheet for total heat exchanger

#82
20080295985
2008-12-04

Cellulose articles containing an additive composition

#83
20080249491
2008-10-09

Absorbent articles having cuffs with skin care composition disposed thereon

#84
20080131632
2008-06-05

Environmental protection paper material structure used for food containers and manufacturing method thereof

#85
20070114704
2007-05-24

Treatment of micropores in mica materials

#86
20070020452
2007-01-25

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

#87
20060065380
2006-03-30

Bicomponent strengthening system for paper

#88
20060037724
2006-02-23

Bulky water-disintegratable cleaning article and process of producing water-disintergratable paper

#89
20050258576
2005-11-24

Patterned fibrous structures

#90
20050247416
2005-11-10

Patterned fibrous structures

#91
20050025949
2005-02-03

Deformable veil and process for manufacturing same