D21B1/327 - CPC Classification Index

ClassID:

126324 ⎘

D21B1/327 - 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 using flotation devices

Recent Application in this class:

20210025113

2021-01-28

Methods for deinking UV prints

20200399828

2020-12-24

Method for treating aqueous feed by dissolved gas flotation

20200129992

2020-04-30

Froth flotation arrangement and a froth flotation method

20170225176

2017-08-10

Method and device for cleaning fiber suspensions by means of flotation

20160310965

2016-10-27

Flotation process and facility for the implementation thereof

20150007848

2015-01-08

Hair cosmetics

20130105366

2013-05-02

Method for removing solid matter from a fibrous material suspension by means of flotation

20110030907

2011-02-10

Method of producing recycled paper pulp from waste printed paper as raw material

20100300953

2010-12-02

Perfected Flotation Cell for Purifying Fibrous Suspensions

#10

20100133198

2010-06-03

METHOD AND APPARATUS FOR SEPARATING WASTE PRODUCTS FROM CELLULOSE FIBRES IN A PAPER RECYCLING PROCESS

#11

20100133197

2010-06-03

APPARATUS FOR SEPARATING WASTE FROM CELLULOSE FIBRES IN PAPER RECYCLING PROCESSES

#12

20100108614

2010-05-06

Injector for flotation cell

#13

20080296206

2008-12-04

Process and device for aerating suspensions

#14

20080211119

2008-09-04

Flotation cell

#15

20060144796

2006-07-06

Process and device for aerating suspensions

#16

20060021916

2006-02-02

Method for the flotation of contaminants from an aqueous fibrous suspension

#17

20050194110

2005-09-08

Methods for reducing fluorescence in pulp and paper