D21D5/18 - CPC Classification Index

ClassID:

126496 ⎘

D21D5/18 - CPC Classification

Classification description:

Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force

Sub-classes:

D21D5/20 » in apparatus with a horizontal axis 1
D21D5/22 » in apparatus with a vertical axis 0
D21D5/24 » in cyclones 52

Recent Application in this class:

20240318382

2024-09-26

Sulfonated Lignin-Derived Compounds And Uses Thereof

20240271363

2024-08-15

DISPERSION DEVICE AND ACCUMULATION DEVICE

20230160143

2023-05-25

Sulfonated lignin-derived compounds and uses thereof

20220098797

2022-03-31

METHOD FOR MANUFACTURING COMPACT

20210276945

2021-09-09

Sulfonated lignin-derived compounds and uses thereof

20190152902

2019-05-23

Sulfonated aromatic compounds

20190085006

2019-03-21

Method for producing low molecular weight aromatic lignin-derived compounds

20180305870

2018-10-25

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

20180002865

2018-01-04

METHOD AND SYSTEM FOR RECYCLING PAPERS

#10

20170204561

2017-07-20

Defibrating unit

#11

20160333520

2016-11-17

Sheet manufacturing apparatus and defibrating unit

#12

20150176204

2015-06-25

Sheet manufacturing apparatus

#13

20150096701

2015-04-09

Sheet manufacturing apparatus and defibrating unit

#14

20110139384

2011-06-16

Method and an apparatus for controlling a flow of pulp suspension

#15

20080296206

2008-12-04

Process and device for aerating suspensions