Patents-Review.com
ClassID:

126365 ⎘

D21C3/28 - CPC Classification

Classification description:

Pulping cellulose-containing materials; Other features of pulping processes Prevention of foam

Recent Application in this class:
#1
20250333905
2025-10-30

PROCESS FOR INCREASING DIGESTION EFFICIENCY OF LIGNOCELLULOSIC MATERIAL IN A TREATMENT VESSEL

 #2
20230383469
2023-11-30

PAPER AND PULP FOAM CONTROL AGENT

 #3
20230160140
2023-05-25

PROCESS FOR INCREASING DIGESTION EFFICIENCY OF LIGNOCELLULOSIC MATERIAL IN A TREATMENT VESSEL

 #4
20220001301
2022-01-06

Defoaming formulations containing organopolysiloxanes

 #5
20200063347
2020-02-27

Waste recycle composition

 #6
20190224591
2019-07-25

Defoaming formulations containing organopolysiloxanes

 #7
20170312657
2017-11-02

DEFOAMING AGENT

 #8
20160265162
2016-09-15

Antifoaming agents for the paper industry, based on oil in water emulsions

 #9
20160215449
2016-07-28

Cross-linked glycerol based polymers as digestion aids for improving wood pulping processes

 #10
20160184740
2016-06-30

Defoaming compositions comprising hydroxy terminated siloxanes and methods of making and using the same

 #11
20160175741
2016-06-23

Defoaming compositions comprising amphiphilic particles and methods of making and using the same

 #12
20150240424
2015-08-27

Anti-foaming agent and pulp production method

 #13
20150080273
2015-03-19

Foam control formulations

 #14
20140107229
2014-04-17

Oil-in-water emulsions

 #15
20120312165
2012-12-13

Method for deaerating liquids

 #16
20110105428
2011-05-05

Hydrolysis resistant organomodified silylated ionic surfactants

 #17
20110021688
2011-01-27

Defoamer formulations

 #18
20080167389
2008-07-10

Hydrolysis resistant organomodified silylated ionic surfactants

 #19
20060128884
2006-06-15

Defoamers for pulp and papermaking applications