ClassID:

126323

D21B1/325 - 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 of waste paper de-inking devices

Sub-classes:
Recent Application in this class:
#1
20240003083
2024-01-04

METHOD AND DEVICE FOR SEPARATING PRINTING INK AND FIBER BY DRY-PROCESS MAGNETIC FORCE DIFFERENCE COUPLED VIBRATION

#2
20180305869
2018-10-25

Processing device, sheet manufacturing apparatus, processing method, and sheet manufacturing method

#3
20180305867
2018-10-25

Processing device, sheet manufacturing apparatus, processing method, and manufacturing method of sheet

#4
20170183816
2017-06-29

WASTE PAPER RECYCLING APPARATUS

#5
20170073891
2017-03-16

Method for producing paper, and pitch removal agent

#6
20120206546
2012-08-16

SYSTEM AND METHOD OF SOLID INK REMOVAL FOR SUBSTRATE RE-USE

#7
20110226428
2011-09-22

Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper

#8
20110162810
2011-07-07

METHOD AND DEVICE FOR PROCESSING WASTE PAPER

#9
20100229889
2010-09-16

System and method of solid ink removal for substrate re-use

#10
20100147479
2010-06-17

Methods for producing recycled pulp, methods for modifying pulp fiber surfaces and dirts, as well as pulp processing equipments

#11
20100135537
2010-06-03

METHOD AND EQUIPMENT FOR EVALUATION OF RECYCLED PULP AND PULP

#12
20090114360
2009-05-07

Apparatus for treating papermaking feedstock

#13
20080078518
2008-04-03

Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper

#14
20070137804
2007-06-21

Methods for producing recycled pulp and methods for modifying pulp fiber surfaces using liquid jet cavitation

#15
20060254732
2006-11-16

System and method for removing foreign particles from an aqueous fibrous suspension

#16
20060065376
2006-03-30

Method of deinking recycled paper employing centrifigal cleaners

#17
20060016731
2006-01-26

Reactor particularly suitable for cleaning fibrous suspensions dispersed in liquids