ClassID:

126318

D21B1/30 - CPC Classification

Classification description:

Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam Defibrating by other means

Sub-classes:
Recent Application in this class:
#1
20250179730
2025-06-05

METHOD AND APPARATUS FOR RECOVERING FIBRES

#2
20240392500
2024-11-28

METHODS AND DEVICES FOR PROCESSING LIGNOCELLULOSIC BIOMASS USING MECHANICAL PRETREATMENT TO ENHANCE FEEDSTOCK HYDRATION PROPERTIES

#3
20240278965
2024-08-22

EASY-PRINT PACKAGING SHEET AND MANUFACTURING METHOD THEREFOR

#4
20240240400
2024-07-18

PAPER FILLER COMPOSITION

#5
20240068160
2024-02-29

Powder-assembled composite micro-nano fiber and preparation method thereof

#6
20230103392
2023-04-06

COMPOSITIONS COMPRISING MICROFIBRILATED CELLULOSE AND POLYMERS AND METHODS OF MANUFACTURING FIBRES AND NONWOVEN MATERIALS THEREFROM

#7
20230060430
2023-03-02

SEPARATION OF FIBERS

#8
20220364305
2022-11-17

Paper filler composition

#9
20220162798
2022-05-26

System and process for refining lignocellulosic biomass material

#10
20220112658
2022-04-14

Separation of fibers

#11
20220018068
2022-01-20

Paper filler composition

#12
20210395949
2021-12-23

Process for producing a nanocelullosic material comprising at least two stages of defibrillation of cellulosic feedstock and at least one intermediate fractioning stage

#13
20210261781
2021-08-26

PROCESS FOR THE PRODUCTION OF NANO-FIBRILLAR CELLULOSE GELS

#14
20210164171
2021-06-03

Method and System for Manufacturing a 3-Dimensional Food Packaging Unit from a Molded Pulp Material and Such Food Packaging Product

#15
20200399832
2020-12-24

Compositions comprising microfibrillated cellulose and polymers and methods of manufacturing fibres and nonwoven materials therefrom

#16
20190309472
2019-10-10

Methods and devices for processing lignocellulosic biomass using mechanical pretreatment to enhance feedstock hydration properties

#17
20190276672
2019-09-12

Process for the production of nano-fibrillar cellulose gels

#18
20190184348
2019-06-20

Device for counter collision treatment including nozzle adjustment means

#19
20190078257
2019-03-14

Paper filler composition

#20
20180371694
2018-12-27

Paper filler composition

#21
20180179703
2018-06-28

Process for producing a nanofibrillar cellulose hydrogel

#22
20170306562
2017-10-26

Compositions comprising microfibrilated cellulose and polymers and methods of manufacturing fibres and nonwoven materials therefrom

#23
20160053437
2016-02-25

Paper filler composition

#24
20140370179
2014-12-18

Process for the production of nano-fibrillar cellulose gels

#25
20140166220
2014-06-19

Method to produce high-resistance cellulose and hemicellulose fibers from lignocellulosic biomass of sugarcane leaves and buds

#26
20130075509
2013-03-28

Installation for preparing wood fibers for a cultivation substrate

#27
20130075504
2013-03-28

Method of preparing wood fibers for a cultivation substrate

#28
20120187226
2012-07-26

Method and apparatus for defibrillating cellulose fibers

#29
20120184721
2012-07-19

METHOD FOR SEPARATING CARBOHYDRATE FROM LIGNOCELLULOSIC SOLID

#30
20120107480
2012-05-03

Process for the production of nano-fibrillar cellulose gels

#31
20120085505
2012-04-12

Methods for producing high-freeness pulp

#32
20120012031
2012-01-19

Paper filler method

#33
20110259537
2011-10-27

Paper filler composition

#34
20110108641
2011-05-12

Method for the disintegration of lignocellulose to fibers

#35
20100224268
2010-09-09

Apparatus for separation and treatment of solid biomass

#36
20100032110
2010-02-11

Device and Method of Using Explosive Forces in a Contained Environment

#37
20090145563
2009-06-11

System and method for the separation of bast fibers

#38
20080217448
2008-09-11

Apparatus for the separation and treatment of solid biomass

#39
20060283995
2006-12-21

Apparatus for the separation and treatment of solid biomass

#40
20050211401
2005-09-29

Process for the production of cellulose fiber pulp

#41
20050167059
2005-08-04

Device and method of using explosive forces in a contained environment

#42
20050067122
2005-03-31

Methods of processing lignocellulosic pulp with cavitation