ClassID:

126882

D21H17/17 - 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 Ketenes, e.g. ketene dimers

Recent Application in this class:
#1
20260152657
2026-06-04

COATING MATERIAL AND OIL-PROOF PAPER

#2
20260139435
2026-05-21

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#3
20260132573
2026-05-14

STERILIZATION PAPER FOR WRAPPING MEDICAL DEVICES AND METHOD OF MANUFACTURING THE SAME

#4
20260049450
2026-02-19

COATED PAPERBOARD

#5
20260015800
2026-01-15

FIBER-BASFED MICROWAVABLE BOWLS WITH SELECTIVE SPRAY COATING

#6
20250389086
2025-12-25

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

#7
20250230610
2025-07-17

WATER- AND OIL-REPELLENT AGENT

#8
20250034813
2025-01-30

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

#9
20240360630
2024-10-31

METHODS, APPARATUS, AND CHEMICAL COMPOSITIONS FOR SELECTIVELY COATING FIBER-BASED FOOD CONTAINERS

#10
20240360629
2024-10-31

FIBER-BASED MICROWAVABLE BOWLS WITH SELECTIVE SPRAY COATING

#11
20240337069
2024-10-10

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

#12
20240240404
2024-07-18

UNBLEACHED NATURAL BROWN COPIER PAPER AND PROCESS THEREOF

#13
20240018724
2024-01-18

METHOD FOR PRODUCING A CELLULOSE-FIBRE-BASED DRINKING STRAW

#14
20230383468
2023-11-30

Oil Resistant Article

#15
20230332355
2023-10-19

COMPOSITION FOR PROVIDING GREASE AND WATER RESISTANT PROPERTIES WITHOUT USE OF A FLUORINATED COMPOUND, METHOD OF MAKING THE COMPOSITION, AND PULP MOLDED ARTICLE MADE BY THE METHOD THEREOF

#16
20230332354
2023-10-19

COMPOSITION FOR PROVIDING GREASE AND WATER RESISTANT PROPERTIES WITHOUT USE OF A FLUORINATED COMPOUND, METHOD OF MAKING THE COMPOSITION, AND PULP MOLDED ARTICLE MADE BY THE METHOD THEREOF

#17
20230138993
2023-05-04

FIBER-BASED CUP DESIGN, CHEMISTRY AND TOOLING

#18
20230073763
2023-03-09

Paper for transfer pattern printing

#19
20230027593
2023-01-26

HEMP PAPER SLEEVES AND OTHER DEVICES MADE FROM HEMP FOR HOLDING CUPS

#20
20220403602
2022-12-22

Packing paper

#21
20220290374
2022-09-15

Grass-Containing Liquid Packaging Board

#22
20220243403
2022-08-04

Method of manufacturing sanitary paper for dog feces and sanitary paper manufactured thereby

#23
20220162801
2022-05-26

Natural fiber composites as a low-cost plastic alternative

#24
20220136174
2022-05-05

Methods and apparatus for manufacturing fiber-based produce containers

#25
20220049431
2022-02-17

Fiber-based microwave bowls with selective spray coating

#26
20220049429
2022-02-17

Fiber-based food containers

#27
20220049428
2022-02-17

MOISTURE/OIL-RESISTANT FIBER/STARCH COMPOSITE MATERIALS

#28
20210348336
2021-11-11

Oil resistant article

#29
20200407920
2020-12-31

Methods and apparatus for manufacturing fiber-based meat containers

#30
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

#31
20200318288
2020-10-08

Composition for providing grease and water resistant properties without use of a fluorinated compound, method of making the composition, and pulp molded article made by the method thereof

#32
20200291581
2020-09-17

Polymer product for improving retention of hydrophobic internal sizing agents in manufacture of paper or board

#33
20200277738
2020-09-03

Acrylate and non-acrylate based chemical compositions for selectively coating fiber-based food containers

#34
20200256016
2020-08-13

Methods and apparatus for manufacturing fiber-based produce containers

#35
20200208353
2020-07-02

Methods, apparatus, and chemical compositions for selectively coating fiber-based food containers

#36
20200206984
2020-07-02

Methods, apparatus, and chemical compositions for selectively coating fiber-based food containers

#37
20200181849
2020-06-11

IMPROVED PULP DISPOSABLE TRAY

#38
20200063358
2020-02-27

Composition of matter in a post-refiner blend zone

#39
20200024806
2020-01-23

Methods and apparatus for manufacturing fiber-based meat containers

#40
20190309189
2019-10-10

Composition and method for controlling the wettability of surfaces

#41
20190301100
2019-10-03

Method for increasing dimensional stability of a paper or a board product

#42
20190218711
2019-07-18

Method for simultaneously pressing and cutting a molded fiber part

#43
20190203423
2019-07-04

Light packaging paper for food having improved resistance to fats

#44
20190047273
2019-02-14

Board with improved compression strength

#45
20190003125
2019-01-03

Sizing method for making paper and paper prepared thereof

#46
20190003119
2019-01-03

System and methods for reducing edge wicking of a paperboard comprising fruit fiber and compositions produced thereby

#47
20180340296
2018-11-29

Die press assembly for drying and cutting molded fiber parts

#48
20180334571
2018-11-22

WATER REPELLENT COMBINATIONS

#49
20180029767
2018-02-01

Method for manufacturing fiber-based meat containers

#50
20180029765
2018-02-01

Methods for manufacturing fiber-based beverage lids

#51
20180029764
2018-02-01

Methods and apparatus for manufacturing fiber-based meat containers

#52
20180016466
2018-01-18

Composition and method for controlling the wettability of surfaces

#53
20170335522
2017-11-23

Hydrophobically sized fibrous web and a method for the preparation of a sized web layer

#54
20170240467
2017-08-24

Method for producing a prefabricated building material

#55
20170175337
2017-06-22

Water-free surface sizing composition and method for treating a paper substrate with same

#56
20160348317
2016-12-01

Stabilized sizing formulation

#57
20160348316
2016-12-01

Stabilized sizing formulation

#58
20160130761
2016-05-12

Selectively sized multi-ply core stock paper, methods, and apparatus

#59
20160053438
2016-02-25

Method of making a paper and paperboard and the paper and paperboard thereof

#60
20160010282
2016-01-14

Aqueous emulsion of a sizing agent

#61
20160002860
2016-01-07

Method of applying fugitive hydrophobic treatment to tissue product

#62
20150305814
2015-10-29

Online treated sealable and peelable medical paper for medical sterilization packaging

#63
20150096700
2015-04-09

Hydrophobically sized fibrous web and a method for the preparation of a sized web layer

#64
20140373757
2014-12-25

Composition and method for controlling the wettability of surfaces

#65
20140345816
2014-11-27

Method of controlling retention and an intermediate product used in the method

#66
20140336314
2014-11-13

Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing

#67
20140305607
2014-10-16

AKD composition and manufacture of paper and paperboard

#68
20140272213
2014-09-18

Packaging board, its use and products made thereof

#69
20140212589
2014-07-31

Paper sizing using an agent containing uniformly bound octenyl succinic anhydride groups made by the reaction of octenyl succinic anhydride onto a dispersed waxy starch

#70
20140198166
2014-07-17

Low grammage recording medium

#71
20140174682
2014-06-26

Composition and use of hydrogenated alkyl ketene dimers

#72
20140109324
2014-04-24

Paper for transfer pattern printing

#73
20140090791
2014-04-03

Method of sizing paper

#74
20120291972
2012-11-22

COATING COMPOSITIONS COMPRISING ALKYL KETENE DIMERS AND ALKYL SUCCINIC ANHYDIDES FOR USE IN PAPER MAKING

#75
20120282477
2012-11-08

ASEPTIC PACKAGING

#76
20120248366
2012-10-04

Sizing compositions

#77
20120138249
2012-06-07

Method for improving paper and board's resistance to the penetration of liquids

#78
20120107511
2012-05-03

Method Of Applying Fugitive Hydrophobic Treatment To Tissue Product

#79
20120103546
2012-05-03

Apparatus, system and method for emulsifying oil and water

#80
20120034290
2012-02-09

Quaternary ammonium salts as microbe inhibitors

#81
20120009662
2012-01-12

Method of fabricating microfluidic systems

#82
20110220306
2011-09-15

Coating compositions comprising alkyl ketene dimer and alkyl succinic anhydrides for use in paper making

#83
20110146926
2011-06-23

Paper sizing composition

#84
20110031156
2011-02-10

Solvent-resistant liquid packaging board, its manufacturing method and use, and a drinking cup made of the same

#85
20110017417
2011-01-27

Sizing Composition for Hot Penetrant Resistance

#86
20100319864
2010-12-23

Multi-ply paper product with moisture strike through resistance and method of making the same

#87
20100297207
2010-11-25

Quaternary ammonium salts as microbe inhibitors

#88
20100224339
2010-09-09

SIZING COMPOSITION, METHOD FOR THE PRODUCTION OF SIZED PAPER OR SIZED PAPERBOARD AND SIZED PAPER OR SIZED PAPERBOARD

#89
20100147478
2010-06-17

Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making

#90
20100122787
2010-05-20

APPLICATION OF CHEMICAL AIDS AFTER A HEADBOX OF A PAPERMAKING PROCESS

#91
20100116451
2010-05-13

Multi-ply paper product with moisture strike through resistance and method of making the same

#92
20100029928
2010-02-04

Emulsifier prepared using a glycosyl transferase

#93
20100018660
2010-01-28

Enhanced surface sizing of paper

#94
20100016478
2010-01-21

PAPER SIZE MIXTURES

#95
20090139677
2009-06-04

Aqueous alkylketene dimer dispersions

#96
20090073801
2009-03-19

PROCESS AND DEVICE FOR PRODUCING FINELY DIVIDED LIQUID-LIQUID FORMULATIONS, AND THE USES OF THE LIQUID-LIQUID FORMULATIONS

#97
20090020249
2009-01-22

Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making

#98
20080289787
2008-11-27

Paper and materials and processes for its production

#99
20080233385
2008-09-25

Papers providing great fat and oil penetration resistance, and method for the production thereof

#100
20080163993
2008-07-10

Surface sizing with sizing agents and glycol ethers

#101
20080124499
2008-05-29

Printing Paper and a Method for the Production Thereof

#102
20080041546
2008-02-21

Paper sizing agent

#103
20070277949
2007-12-06

Sizing of paper

#104
20070261807
2007-11-15

Use of polyvinylamine to improve oil and water sizing in cellulosic products

#105
20070167558
2007-07-19

Aqueous dispersions of reactive gluing agents, method for the production and the use thereof

#106
20070148377
2007-06-28

PIGMENT COATED PAPER BASE

#107
20070107865
2007-05-17

Chemical improvement in paper making

#108
20070074641
2007-04-05

Mixtures of solids, consisting of a reactive sizing agent and starch, method for producing said mixtures and use thereof

#109
20060162883
2006-07-27

Use of polymers containing vinylamine units as promoters for alkyldiketene glueing

#110
20060042767
2006-03-02

Multi-ply paper product with moisture strike through resistance and method of making the same

#111
20060037512
2006-02-23

Alkenylsuccinic anhydride compositions and method for using the same

#112
20060009571
2006-01-12

Aqueous polymer dispersions containing alkyldiketenes, methods for the production thereof, and their use

#113
20050236126
2005-10-27

Process for production of paper

#114
20050150624
2005-07-14

Molded fiber manufacturing

#115
20050124704
2005-06-09

Paper and materials and processes for its production

#116
20050032642
2005-02-10

Heat-sensitive recording material

#117
15342524
2018-01-02

Method for manufacturing fiber-based produced containers