ClassID:

126294

D21B1/02 - CPC Classification

Classification description:

Fibrous raw materials or their mechanical treatment Pretreatment of the raw materials by chemical or physical means

Sub-classes:
Recent Application in this class:
#1
20250154719
2025-05-15

PRODUCTION OF CELLULOSE FROM COTTON OR COTTON BLENDS

#2
20250137199
2025-05-01

PURIFIED MEDICINAL CANNABIS NON-HEMP HURD FIBER, AND ARTICLES CONTAINING THE SAME

#3
20250073655
2025-03-06

STIRRING DEVICE, FIBER STRUCTURE MANUFACTURING APPARATUS, AND METHOD OF PRODUCING FIBER STRUCTURE

#4
20240150959
2024-05-09

HYGROMORPHIC COMPOSITE MATERIAL

#5
20240141587
2024-05-02

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

#6
20240018696
2024-01-18

METHOD FOR PROCESSING FIBROUS MATTER FROM WASTE MATERIAL

#7
20230256411
2023-08-17

A PRE-HYDROLYSIS PRESSURE VESSEL SYSTEM COMPRISING A CLEANING ARRANGEMENT

#8
20230235506
2023-07-27

Apparatus and method for processing a suspension comprising organic material and liquid

#9
20230124761
2023-04-20

METHODS AND SYSTEMS FOR PROCESSING MIXED TEXTILE FEEDSTOCK, ISOLATING CONSTITUENT MOLECULES, AND REGENERATING CELLULOSIC AND POLYESTER FIBERS

#10
20230099096
2023-03-30

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

#11
20210340350
2021-11-04

Methods and systems for processing mixed textile feedstock, isolating constituent molecules, and regenerating cellulosic and polyester fibers

#12
20210230801
2021-07-29

ARRANGEMENT AND SYSTEM FOR A TREATMENT PROCESS

#13
20210148046
2021-05-20

Purified medicinal cannabis non-hemp hurd fiber, and articles containing the same

#14
20200390108
2020-12-17

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

#15
20200346222
2020-11-05

System and method for treating biomass material

#16
20200338595
2020-10-29

AUGER DISC FOR USE IN DISC SCREEN

#17
20200115723
2020-04-16

PROCESSING BIOMASS

#18
20200101493
2020-04-02

Disc for use in disc screen

#19
20200070120
2020-03-05

PROCESSING BIOMASS

#20
20190264385
2019-08-29

Methods for preparing cannabis hurd fiber, purified cannabis hurd fiber, and articles containing the purified cannabis hurd fiber

#21
20190151818
2019-05-23

METHOD AND STRUCTURES FOR PROCESSING MATERIALS

#22
20190151815
2019-05-23

Equipment protecting enclosures

#23
20190144894
2019-05-16

Processing biomass

#24
20190139660
2019-05-09

Processing biomass

#25
20190093284
2019-03-28

Defibrating device and sheet manufacturing apparatus

#26
20190030750
2019-01-31

Defibrated material manufacturing device

#27
20190003120
2019-01-03

METHOD FOR SAVING ENERGY IN PAPER PRODUCTION

#28
20180320317
2018-11-08

Paper products and methods and systems for manufacturing such products

#29
20180266050
2018-09-20

Methods of staging, processing, and transporting biomasses

#30
20180236427
2018-08-23

PROCESSING BIOMASS

#31
20180215893
2018-08-02

Methods and systems for processing mixed textile feedstock, isolating constituent molecules, and regenerating cellulosic and polyester fibers

#32
20180215774
2018-08-02

Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids

#33
20180100272
2018-04-12

Method for preparing molded article from Chinese herb residue and molded product obtained thereof

#34
20180036706
2018-02-08

Processing materials

#35
20180023249
2018-01-25

Pretreatment process of a ligno-cellulosic feedstock

#36
20170335513
2017-11-23

Integrated method and system for recycling waste material

#37
20170263346
2017-09-14

Equipment protecting enclosures

#38
20170247832
2017-08-31

Method and plant for pre-treating biomasses

#39
20170197194
2017-07-13

Processing materials

#40
20160358744
2016-12-08

Processing materials

#41
20160307728
2016-10-20

Processing materials

#42
20160289720
2016-10-06

Methods of compressing lignocellulosic feedstock into discrete units, and related systems

#43
20160265164
2016-09-15

Paper products and methods and systems for manufacturing such products

#44
20160264499
2016-09-15

Conversion of a low viscosity ligno-cellulosic biomass slurry into polyols

#45
20160232999
2016-08-11

Equipment protecting enclosures

#46
20160222586
2016-08-04

Processes for producing cellulose pulp and pulp-derived products from lignocellulosic biomass

#47
20160168789
2016-06-16

Rotary feeder with recess for protective baffle and shear edge assembly

#48
20160167010
2016-06-16

Processing biomass

#49
20160138218
2016-05-19

Process and apparatus for biomass cleaning in lignocellulosic biorefineries

#50
20160097158
2016-04-07

Integrated method and system for recycling waste material

#51
20160069024
2016-03-10

Method for saving energy in paper production

#52
20150284907
2015-10-08

Processing materials

#53
20150151214
2015-06-04

Biomass fractionation and extraction methods

#54
20150104843
2015-04-16

Processing biomass

#55
20150047799
2015-02-19

Paper products and methods and systems for manufacturing such products

#56
20150045544
2015-02-12

Biomass fractionation and extraction apparatus

#57
20150041082
2015-02-12

Process for ambient temperature fractionation and extraction of various biomasses

#58
20140329280
2014-11-06

Processing biomass

#59
20140231034
2014-08-21

Enzymatic pretreatment of wood in a method for producing mechanical paper pulp

#60
20140199740
2014-07-17

Wet oxidation of biomass

#61
20140096922
2014-04-10

Processes for producing cellulose pulp, sugars, and co-products from lignocellulosic biomass

#62
20140034253
2014-02-06

Process for acetic acid removal from pretreated biomass

#63
20130248760
2013-09-26

PARTICLE FOR GASIFICATION CONTAINING A CELLULOSE CORE WITH A COATING OF LIGNIN

#64
20130158253
2013-06-20

Process for recovering sugars from a pretreatment stream of lignocellulosic biomass

#65
20120085505
2012-04-12

Methods for producing high-freeness pulp

#66
20110114765
2011-05-19

Comminution and densification of biomass particles

#67
20110111456
2011-05-12

PROCESSING BIOMASS

#68
20110094696
2011-04-28

Apparatus for impregnating fibrous material with a liquid

#69
20100206501
2010-08-19

Paper products and methods and systems for manufacturing such products

#70
20090321026
2009-12-31

Paper products and methods and systems for manufacturing such products

#71
20080149290
2008-06-26

MANUFACTURING PROCESS OF A PAPER SUBSTRATE INTENDED TO BE VULCANISED OR PARCHMENTISED

#72
20080146701
2008-06-19

Manufacturing process of cellulose nanofibers from renewable feed stocks

#73
20080142181
2008-06-19

High defiberization chip pretreatment apparatus

#74
20080105391
2008-05-08

Pulping process with high defiberization chip pretreatment

#75
20080083520
2008-04-10

Method of refining destructured chips

#76
20080078854
2008-04-03

Composite refiner plate

#77
20080066877
2008-03-20

High defiberization pretreatment process for mechanical refining

#78
20070272778
2007-11-29

TMP refining of destructured chips

#79
20070227682
2007-10-04

Method and a Device for Removing Gas from Wood Chips

#80
20060278353
2006-12-14

Method and apparatus for estimating relative proportion of wood chips species to be fed to a process for producing pulp

#81
20060243403
2006-11-02

MICROWAVE PRETREATMENT OF LOGS FOR USE IN MAKING PAPER AND OTHER WOOD PRODUCTS

#82
20060169427
2006-08-03

Manufacturing process of a paper substrate intended to be vulcanised or parchmentised

#83
20060006265
2006-01-12

High intensity refiner plate with inner fiberizing zone

#84
20060006264
2006-01-12

Energy efficient TMP refining of destructured chips

#85
20050011622
2005-01-20

High defiberization chip pretreatment