ClassID:

126820

D21H11/02 - CPC Classification

Classification description:

Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Chemical or chemomechanical or chemothermomechanical pulp

Sub-classes:
Recent Application in this class:
#1
20260009178
2026-01-08

PROCESSES AND SYSTEMS FOR BIOMASS IMPREGNATION TO IMPROVE CONVERSION TO SUGARS, CHEMICALS, FUELS, AND MATERIALS

#2
20250361678
2025-11-27

METHOD FOR MANUFACTURING A BARRIER SUBSTRATE, AND A BARRIER SUBSTRATE

#3
20250223761
2025-07-10

METHOD FOR REPULPING WET STRENGTH FIBER

#4
20250101683
2025-03-27

LOW TEMPERATURE AND LOW PRESSURE PROCESS FOR AGRICULTURAL FEEDSTOCK PREPARATION

#5
20250084592
2025-03-13

Assymetric Paperboard

#6
20250059712
2025-02-20

STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARD

#7
20250059709
2025-02-20

NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM

#8
20240426060
2024-12-26

METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPERBOARD

#9
20240392505
2024-11-28

HIGH POROSITY NON-WOOD PULP

#10
20240309586
2024-09-19

A METHOD FOR PRODUCING A CHEMI-THERMOMECHANICAL FIBROUS PULP FROM NON-WOOD PLANT RAW MATERIALS AND AN AUTOMATED LINE FOR PRODUCING SAID PULP BY SAID METHOD

#11
20240287741
2024-08-29

BCTMP-Tailored SCK paper for release liner

#12
20240226841
2024-07-11

Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials

#13
20240183109
2024-06-06

Multi-Region Pulp Article

#14
20240131489
2024-04-25

Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials

#15
20240011223
2024-01-11

High porosity non-wood pulp

#16
20230383471
2023-11-30

ABSORBENT PAPER PRODUCTS HAVING UNIQUE PHYSICAL STRENGTH PROPERTIES

#17
20230323606
2023-10-12

ABSORBENT PAPER PRODUCTS HAVING UNIQUE PHYSICAL STRENGTH PROPERTIES

#18
20230323597
2023-10-12

Method for separating biomass components by ternary system

#19
20230265609
2023-08-24

HIGH YIELD CHEMICAL PULPING AND BLEACHING PROCESS

#20
20230250587
2023-08-10

BIODEGRADABLE BOARDS AND METHODS OF MAKING THE SAME

#21
20230151547
2023-05-18

Multi-step low temperature and low pressure process for agricultural feedstock stock preparation with hemicellulose and lignin recovery

#22
20230138993
2023-05-04

FIBER-BASED CUP DESIGN, CHEMISTRY AND TOOLING

#23
20230057864
2023-02-23

Dispersion of cellulose fibers and method of producing the same

#24
20230024255
2023-01-26

Composition and its use for use in manufacture of paper, board or the like

#25
20230002974
2023-01-05

COMPOSITIONS AND METHODS FOR MAKING PAPER USING UNCOOKED STARCH FOR GYPSUM PANELS

#26
20230002972
2023-01-05

Nanocellulose-reinforced corrugated medium

#27
20220363871
2022-11-17

Refined cellulose fiber composition

#28
20220333314
2022-10-20

Paper products incorporating surface enhanced pulp fibers and having decoupled wet and dry strengths and methods of making the same

#29
20220154399
2022-05-19

PRODUCTION METHOD

#30
20220136171
2022-05-05

Method for non-catalytic delignification of biomass inside an apparatus

#31
20220047468
2022-02-17

Moist wipe having enhanced dispersibility

#32
20210381166
2021-12-09

PROCESSING CELLULOSE-CONTAINING MATERIALS FOR PAPER OR PACKAGING MATERIALS

#33
20210324582
2021-10-21

Multilayered fibrous sheet, a method for making a multilayered fibrous sheet, and use of mechanical pulp

#34
20210310193
2021-10-07

Process for Producing Paper or Paperboard, in Particular Label Paper or Paperboard Suited for Use as Packaging Material for Beverage Containers, and Paper or Paperboard Produced by This Process

#35
20210274831
2021-09-09

Lightweight separating base paper

#36
20210268783
2021-09-02

Light weight linerboard for corrugated board

#37
20210221114
2021-07-22

Ply of a linerboard and a light weight linerboard for corrugated board

#38
20210189654
2021-06-24

Fibrous product

#39
20210131031
2021-05-06

PROCESSES AND SYSTEMS FOR BIOMASS IMPREGNATION TO IMPROVE CONVERSION TO SUGARS, CHEMICALS, FUELS, AND MATERIALS

#40
20210047097
2021-02-18

High-strength fluting from NSSC pulp

#41
20210009908
2021-01-14

Lignocellulosic biomass based process for production of lignins and syngas, and electricity production efficient syngas

#42
20210002824
2021-01-07

Low energy production process for producing paper pulp from lignocellulosic biomass

#43
20200332472
2020-10-22

Absorbent paper products having unique physical strength properties

#44
20200332471
2020-10-22

Absorbent paper products having unique physical strength properties

#45
20200332087
2020-10-22

A Lignin-Containing Cellulose Nanofiber, a Paper and a Film Comprising the Said Lignin-Containing Cellulose Nanofiber

#46
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

#47
20200231844
2020-07-23

Water-dispersible sheet

#48
20200188872
2020-06-18

Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials

#49
20200181838
2020-06-11

Method of producing chemical pulp

#50
20200115853
2020-04-16

Soft tissue comprising non-wood fibers

#51
20200109516
2020-04-09

Nanocellulose-reinforced corrugated medium

#52
20190301094
2019-10-03

Process of producing nanofibrillated cellulose with low energy consumption

#53
20190292337
2019-09-26

UV blocking film and composition comprising microfibrillated cellulose, a method for producing said film and use of the composition

#54
20190270827
2019-09-05

Passive immunization for infections

#55
20190255506
2019-08-22

Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials

#56
20190218716
2019-07-18

Paper or paperboard product comprising at least one ply containing high yield pulp and its production method

#57
20190119857
2019-04-25

Method and treatment system for making of paper

#58
20190100883
2019-04-04

Soft tissue comprising non-wood fibers

#59
20180245285
2018-08-30

METHODS OF PRODUCING A PAPER PRODUCT

#60
20180195239
2018-07-12

Absorbent paper products having unique physical strength properties

#61
20180187377
2018-07-05

Absorbent paper products having unique physical strength properties

#62
20180171560
2018-06-21

Shaped tray or plate of fibrous material and a method of manufacturing the same

#63
20180148895
2018-05-31

Surface enhanced pulp fibers at a substrate surface

#64
20180135253
2018-05-17

Soft tissue comprising non-wood fibers

#65
20180073194
2018-03-15

Method for producing cellulose filaments with less refining energy

#66
20180071706
2018-03-15

Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials

#67
20180010299
2018-01-11

Super clear cellulose paper

#68
20170335522
2017-11-23

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

#69
20170328012
2017-11-16

High softness, high durability bath tissue incorporating high lignin eucalyptus fiber

#70
20170328003
2017-11-16

Nanocellulose-reinforced corrugated medium

#71
20170328002
2017-11-16

Moisture resistant biodegradable composition

#72
20170327285
2017-11-16

High-strength fluting from NSSC pulp

#73
20170306557
2017-10-26

Methods of producing a paper product

#74
20170247255
2017-08-31

Method for obtaining stabilized lignin having a defined particle-size distribution from a lignin-containing liquid

#75
20170152633
2017-06-01

Glass interleaving paper

#76
20170058457
2017-03-02

Surface enhanced pulp fibers at a substrate surface

#77
20170058455
2017-03-02

Lightweight digital printing medium

#78
20160340835
2016-11-24

High softness, high durability bath tissue incorporating high lignin eucalyptus fiber

#79
20160319482
2016-11-03

Dry mixed re-dispersible cellulose filament/carrier product and the method of making the same

#80
20160311925
2016-10-27

Passive immunization for infections

#81
20160311693
2016-10-27

Silica sols, method and apparatus for producing the same and use thereof in papermaking

#82
20160227834
2016-08-11

Method for producing microcrystalline cellulose from tobacco and related tobacco product

#83
20160186383
2016-06-30

Fibrous product and method of producing fibrous web

#84
20160168796
2016-06-16

Process for making hydrogels from hemicaustic byproduct

#85
20160168791
2016-06-16

Methods of producing a paper product

#86
20150275432
2015-10-01

Integration of non-woody biorefining at pulp and paper plants

#87
20150211451
2015-07-30

FILTERING MATERIAL FOR FILTER AND PRODUCTION PROCESS THEREFOR

#88
20150136344
2015-05-21

Product and processes from an integrated forest biorefinery

#89
20150122431
2015-05-07

Method of manufacturing pulp for corrugated medium

#90
20150096700
2015-04-09

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

#91
20150062236
2015-03-05

Uncoated recording media

#92
20140182796
2014-07-03

Product and processes from an integrated forest biorefinery

#93
20130276801
2013-10-24

Method for producing microcrystalline cellulose from tobacco and related tobacco product

#94
20130112359
2013-05-09

Product and processes from an integrated forest biorefinery

#95
20130029106
2013-01-31

High softness, high durability bath tissue incorporating high lignin eucalyptus fiber

#96
20100006251
2010-01-14

METHOD AND ARRANGEMENT FOR THE PRODUCTION OF A WOOD-FREE COATED, MATTE OR SEMI-MATTE PAPER WEB

#97
20090229772
2009-09-17

Bleached, mechanical paper pulp and the production method therefor

#98
20080251223
2008-10-16

Board Product and Method of Making the Same

#99
20070166462
2007-07-19

Method and system for producing a wood-free coated matte or semi-matte paper web

#100
20070084573
2007-04-19

Hot Cup made From An Insulating Paperboard

#101
20070079944
2007-04-12

Product and processes from an integrated forest biorefinery

#102
20070023153
2007-02-01

Insulating paperboard

#103
20060124262
2006-06-15

Board product and method for making the same

#104
20060102303
2006-05-18

Board product and method for making the same

#105
20050045288
2005-03-03

Bleached, mechanical paper pulp and the production method therefor