Patents-Review.com
ClassID:

126346 ⎘

D21C3/04 - CPC Classification

Classification description:

Pulping cellulose-containing materials with acids, acid salts or acid anhydrides

Sub-classes:
Recent Application in this class:
#1
20260015638
2026-01-15

METHODS OF PROCESSING LIGNOCELLULOSIC BIOMASS USING SINGLE-STAGE AUTOHYDROLYSIS AND ENZYMATIC HYDROLYSIS WITH C5 BYPASS AND POST-HYDROLYSIS

 #2
20250340673
2025-11-06

PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #3
20250270762
2025-08-28

METHOD FOR PREPARING HYDROPHOBIC CELLULOSE USING PICKERING EMULSION AND HYDROPHOBIC CELLULOSE PREPARED USING THE SAME

 #4
20250257527
2025-08-14

SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #5
20250207326
2025-06-26

IMPROVEMENTS IN BIOMASS DELIGNIFICATION

 #6
20250207325
2025-06-26

BIOMASS DELIGNIFICATION

 #7
20250059709
2025-02-20

NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM

 #8
20250059357
2025-02-20

HYDROPHOBIC NANOCELLULOSE-COATED PAPER AND PAPERBOARD

 #9
20250043507
2025-02-06

USE OF A MODIFIED ACID IN DUAL PURPOSE BIOMASS DELIGNIFICATION

 #10
20240368834
2024-11-07

APPROACH TO BIOMASS DELIGNIFICATION

 #11
20240318381
2024-09-26

MODIFIED SULFURIC ACID AND USES THEREOF

 #12
20240309585
2024-09-19

MODIFIED SULFURIC ACID AND USES THEREOF

 #13
20240263394
2024-08-08

Modified sulfuric acid and uses thereof

 #14
20240247438
2024-07-25

APPROACH TO BIOMASS DELIGNIFICATION

 #15
20240247081
2024-07-25

PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #16
20240229354
2024-07-11

Modified sulfuric acid and uses thereof

 #17
20240141587
2024-05-02

PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLOSION AND SOLID AND LIQUID PRODUCTS MADE BY THE SAME

 #18
20240102064
2024-03-28

METHODS OF PROCESSING LIGNOCELLULOSIC BIOMASS USING SINGLE-STAGE AUTOHYDROLYSIS AND ENZYMATIC HYDROLYSIS WITH C5 BYPASS AND POST-HYDROLYSIS

 #19
20240052566
2024-02-15

Optimization Of Chemical Consumption in Biomass Delignification

 #20
20230416985
2023-12-28

Modified sulfuric acid and uses thereof

 #21
20230382852
2023-11-30

MODIFIED SULFURIC ACID AND USES THEREOF

 #22
20230357988
2023-11-09

PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES

 #23
20230323597
2023-10-12

Method for separating biomass components by ternary system

 #24
20230295753
2023-09-21

PROCESS FOR ACIDIC HYDROLYSIS OF A PARTICULATE SOLID MATERIAL CONTAINING CELLULOSE, LIGNIN, AND HEMICELLULOSE, WHEREIN THE LATTER HAS A HIGH CONTENT OF XYLOSE

 #25
20230099096
2023-03-30

Processes, methods, and systems for chemo-mechanical cellular explosion and solid and liquid products made by the same

 #26
20230055478
2023-02-23

Oleophilic and hydrophobic nanocellulose materials

 #27
20230002972
2023-01-05

Nanocellulose-reinforced corrugated medium

 #28
20220412001
2022-12-29

Temperature-controlled delignification of biomass

 #29
20220290369
2022-09-15

Fractionation of lignocellulosic biomass using maleic acid at low temperature

 #30
20220267956
2022-08-25

Arylsulfonic acid—modified sulfuric acid and uses thereof

 #31
20220267955
2022-08-25

Modified sulfuric acid and uses thereof

 #32
20220267954
2022-08-25

Modified sulfuric acid and uses thereof

 #33
20220267952
2022-08-25

Modified sulfuric acid and uses thereof

 #34
20220267951
2022-08-25

Modified sulfuric acid and uses thereof

 #35
20220195666
2022-06-23

USE OF A PLURALITY OF SALT IONIC LIQUIDS IN THE PRETREATMENT OF BIOMASS

 #36
20220195665
2022-06-23

Approach to biomass delignification

 #37
20220195664
2022-06-23

Approach to biomass delignification

 #38
20220186436
2022-06-16

Approach to biomass delignification

 #39
20220186435
2022-06-16

Use of a 2 liquid phase system in biomass delignification

 #40
20220186434
2022-06-16

Combination approach to delignification of biomass under ambient conditions

 #41
20220170206
2022-06-02

Approach to biomass delignification

 #42
20220127382
2022-04-28

Solvent-based processes for producing nanocellulose, and compositions and products produced therefrom

 #43
20220049419
2022-02-17

Fractionation of lignocellulosic biomass using maleic acid at low temperature

 #44
20220034038
2022-02-03

Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom

 #45
20220018066
2022-01-20

Biomass Processing

 #46
20210348202
2021-11-11

Methods of processing lignocellulosic biomass using single-stage autohydrolysis and enzymatic hydrolysis with C5 bypass and post-hydrolysis

 #47
20210284757
2021-09-16

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

 #48
20210269970
2021-09-02

Modified sulfuric acid and uses thereof

 #49
20210269394
2021-09-02

Modified sulfuric acid and uses thereof

 #50
20210172117
2021-06-10

Fiber production with supercritical fluid phase from cotton straw

 #51
20210095421
2021-04-01

Multi-step process for the isolation of components from

#52
20210009908
2021-01-14

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

 #53
20210002824
2021-01-07

Low energy production process for producing paper pulp from lignocellulosic biomass

 #54
20200390108
2020-12-17

Processes, methods, and systems for chemo-mechanical cellular explosion and solid and liquid products made by the same

 #55
20200376718
2020-12-03

Recycled pulp, absorbent, non-woven fabric, and sanitary article

 #56
20200140658
2020-05-07

Hydrophobic nanocellulose-coated paper and paperboard

 #57
20200109516
2020-04-09

Nanocellulose-reinforced corrugated medium

 #58
20190360150
2019-11-28

Method for impregnating biomass and device for impregnating biomass

 #59
20190271114
2019-09-05

SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #60
20190248962
2019-08-15

Method for improved production of fermentable sugars from lignocellulosic biomass using additive and enzyme

 #61
20190211502
2019-07-11

Process for manufacturing recycled pulp from used sanitary goods

 #62
20190185638
2019-06-20

OLEOPHILIC AND HYDROPHOBIC NANOCELLULOSE MATERIALS

 #63
20190127911
2019-05-02

Drying/transportation and releasing MFC

 #64
20190112764
2019-04-18

Natural fiber reinforced composite panel and method

 #65
20190100604
2019-04-04

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

 #66
20190093285
2019-03-28

Fine cellulose fiber and production method for same

 #67
20190077885
2019-03-14

CELLULOSE ACETATE

 #68
20190062359
2019-02-28

ORGANOSOLV PROCESS FOR THE EXTRACTION OF HIGHLY PURE LIGNIN AND PRODUCTS COMPRISING THE SAME

 #69
20190010661
2019-01-10

BIOPOLYMER, PROCESS FOR PRODUCING A BIOPOLYMER, PROCESS FOR PRODUCING PAPER, PROCESS FOR PRODUCING CELLULOSE, USE OF A BIOPOLYMER PRODUCT

 #70
20180327969
2018-11-15

Treatment of lignocellulosic biomass with ionic liquid

 #71
20180305502
2018-10-25

Method for making a lignin component, a lignin component and its use and a product

 #72
20180245285
2018-08-30

METHODS OF PRODUCING A PAPER PRODUCT

 #73
20180163344
2018-06-14

Method for reducing pulp viscosity in production of dissolving pulp

 #74
20180119344
2018-05-03

Methods and systems for solvent purification

 #75
20180016355
2018-01-18

SOLVENT-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #76
20170328003
2017-11-16

Nanocellulose-reinforced corrugated medium

 #77
20170306557
2017-10-26

Methods of producing a paper product

 #78
20170305037
2017-10-26

Method for manufacturing recycled pulp from used sanitary article

 #79
20170218567
2017-08-03

Method for preparing nanofibrillar cellulose

 #80
20170211231
2017-07-27

Methods for Treating Lignocellulosic Material

 #81
20170211108
2017-07-27

Methods for hydrolysing lignocellulosic material

 #82
20170210827
2017-07-27

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

 #83
20160362353
2016-12-15

INTEGRATED PROCESS FOR PRODUCING CELLULOSIC PULP AND POLYOLS STREAM

 #84
20160326694
2016-11-10

HYDROGEN PEROXIDE COMPOSITIONS FOR THE DELIGNIFICATION OF PLANT MATTER, AND USES THEREOF

 #85
20160326203
2016-11-10

Method for extracting lignin

 #86
20160298292
2016-10-13

Biomass treatment for hydrothermal hydrocatalytic conversion

 #87
20160289893
2016-10-06

Nanocellulose

 #88
20160273011
2016-09-22

Process for hydrolyzing a pretreated feedstock and recovering lignin

 #89
20160237617
2016-08-18

Process for manufacturing recycled pulp from used sanitary goods

 #90
20160186376
2016-06-30

Method for pretreating cellulose pulp

 #91
20160168791
2016-06-16

Methods of producing a paper product

 #92
20160168275
2016-06-16

Production of textile from citrus fruit

 #93
20160076199
2016-03-17

Process for treating lignin

 #94
20160046567
2016-02-18

Process for treating biomass to produce materials useful for biofuels

 #95
20150368441
2015-12-24

OLEOPHILIC AND HYDROPHOBIC NANOCELLULOSE MATERIALS

 #96
20150321120
2015-11-12

Methods and systems for solvent purification

 #97
20150275432
2015-10-01

Integration of non-woody biorefining at pulp and paper plants

 #98
20150233056
2015-08-20

Purification process for partly-hydrolyzed cellulose

 #99
20150204017
2015-07-23

Nanocellulose production using lignosulfonic acid

 #100
20150191758
2015-07-09

Methods of processing lignocellulosic biomass using single-stage autohydrolysis and enzymatic hydrolysis with C5 bypass and post-hydrolysis

 #101
20150184345
2015-07-02

Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom

 #102
20150167238
2015-06-18

Biomass treatment for hydrothermal hydrocatalytic conversion

 #103
20150041081
2015-02-12

Natural fiber reinforced composite panel and method

 #104
20140339455
2014-11-20

Method for making a lignin component, a lignin component and its use and a product

 #105
20140323716
2014-10-30

Liquefaction of biomass at low pH

 #106
20140323714
2014-10-30

Method and a system for manufacturing cellulose material

 #107
20140322766
2014-10-30

C1-C2 Organic Acid Treatment of Lignocellulosic Biomass to Produce Acylated Cellulose Pulp, Hemicellulose, Lignin and Sugars and Fermentation of the Sugars

 #108
20140227742
2014-08-14

C1-C2 Organic Acid Treatment of Lignocellulosic Biomass to Produce Acylated Cellulose Pulp, Hemicellulose, Lignin and Sugars and Fermentation of the Sugars

 #109
20140200335
2014-07-17

Catalytic biomass conversion

 #110
20140186899
2014-07-03

Biomass fractionation processes employing sulfur dioxide

 #111
20140158315
2014-06-12

Use of sodium dithionite in pulping

 #112
20140154757
2014-06-05

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

 #113
20140154756
2014-06-05

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

 #114
20140083918
2014-03-27

Soak vessels and methods for impregnating biomass with liquid

 #115
20140073016
2014-03-13

Treatment of biomass to dissolve lignin with ionic liquid composition

 #116
20140066608
2014-03-06

Lignin extraction from lignocellulosics

 #117
20140048223
2014-02-20

Methods for removing hemicellulose

 #118
20140048221
2014-02-20

METHODS FOR EXTRACTING HEMICELLULOSE FROM A CELLULOSIC MATERIAL

 #119
20130261182
2013-10-03

Enzymes useful for peracid production

 #120
20130252293
2013-09-26

Process for producing bio-based product from straw hemicellulose and fully utilizing the components thereof

 #121
20130248128
2013-09-26

Process for decomposing lignin in biomass

 #122
20130236953
2013-09-12

Method and apparatus for lignocellulose pretreatment using a super-cellulose-solvent and highly volatile solvents

 #123
20130174993
2013-07-11

Process of extraction of hemicellulose from corn fiber

 #124
20130078695
2013-03-28

Pretreatment Method for Producing Water-Soluble Sugars From Lignocellulosic Material

 #125
20130071900
2013-03-21

PROCESS FOR PROCESSING A LIGNOCELLULOSIC MATERIAL

 #126
20120328758
2012-12-27

Enhanced Fiber Additive; and Use

 #127
20120305207
2012-12-06

METHOD FOR VAPOR PHASE PULPING WITH ALCOHOL AND SULFUR DIOXIDE

 #128
20120167874
2012-07-05

Methods and systems for solvent purification

 #129
20120094335
2012-04-19

laccase and variants and fragments thereof

 #130
20120042566
2012-02-23

Preparation of biofuels and other useful products such as 5-(hydroxymethyl)-furfural

 #131
20110308934
2011-12-22

METHOD FOR PRODUCING CELLULOSE DIACETATE

 #132
20110226429
2011-09-22

Enhanced fiber additive; and use

 #133
20110186251
2011-08-04

CONTINUOUS TUBE REACTOR

 #134
20110180061
2011-07-28

Method and process for dry discharge in a pressurized pretreatment reactor

 #135
20110155336
2011-06-30

Method for increasing the concentration of xylose in lignocellulosic hydrolysate

 #136
20110108223
2011-05-12

Method for vapor phase pulping with alcohol, sulfur dioxide and ammonia

 #137
20110105737
2011-05-05

METHOD FOR PRETREATING PLANT STARTING MATERIAL FOR THE PRODUCTION, FROM SACCHARIFEROUS AND LIGNOCELLULOSIC RESOURCES, OF BIOETHANOL AND OF SUGAR, AND PLANT

 #138
20110003352
2011-01-06

PROCESS FOR THE STEPWISE TREATMENT OF LIGNOCELLULOSIC MATERIAL TO PRODUCE REACTIVE CHEMICAL FEEDSTOCKS

 #139
20100317843
2010-12-16

PROCESS FOR SEPARATING BIOMASS COMPONENTS

 #140
20100300634
2010-12-02

Method of making medium density fiberboard

 #141
20100285553
2010-11-11

Process for producing bioethanol from lignocellulosic plant raw material

 #142
20100269990
2010-10-28

Separation of reactive cellulose from lignocellulosic biomass with high lignin content

 #143
20100136634
2010-06-03

METHOD AND EQUIPMENT FOR PRODUCTION OF GLUCOSE, ETHANOL,FURFURAL,FURANE AND LIGNIN FROM RENEWABLE RAW MATERIALS

 #144
20100132898
2010-06-03

Process for the production of bleached wood particles and pale to white wood-base materials

 #145
20100121047
2010-05-13

Methods and apparatus for hydrolyzing cellulosic material

 #146
20090236060
2009-09-24

Method for vapor phase pulping with alcohol and sulfur dioxide

 #147
20090229599
2009-09-17

Method and apparatus for lignocellulose pretreatment using a super-cellulose-solvent and highly volatile solvents

 #148
20090194243
2009-08-06

Method for treating lignocellulosic materials

 #149
20090165969
2009-07-02

Enzymatic treatment of pulp for lyocell manufacture

 #150
20090118452
2009-05-07

Method to Decompose the Natural Structure of Biomass

 #151
20090065158
2009-03-12

Installation for implementing a method for producing paper pulp, lignins and sugars and production method using such an installation

 #152
20080264588
2008-10-30

Method of Making Medium Density Fiberboard

 #153
20080202504
2008-08-28

Process for rapid acid hydrolysis of lignocellulosic material and in a hydrolysis reactor

 #154
20080110585
2008-05-15

Enhanced fiber additive; and use

 #155
20080056983
2008-03-06

Process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate

 #156
20070254348
2007-11-01

METHOD FOR THE PRODUCTION OF FERMENTABLE SUGARS AND CELLULOSE FROM LIGNOCELLULOSIC MATERIAL

 #157
20070079944
2007-04-12

Product and processes from an integrated forest biorefinery

 #158
20060219376
2006-10-05

Microcrystalline cellulose and method for making

 #159
20050269048
2005-12-08

Catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein

 #160
20050191400
2005-09-01

Enhanced fiber additive; and use

 #161
20050183836
2005-08-25

Plant seed based fiber products and processes

 #162
20050067124
2005-03-31

Enhanced fiber additive; and use

 #163
15717604
2018-02-20

Synthesis of nanostructures from agro-wastes