ClassID:

126996

D21H21/12 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties; Paper forming aids Defoamers

Recent Application in this class:
#1
20250242280
2025-07-31

EMULSION FOAM REDUCER FOR WET PROCESSING OF CELLULOSE OR WOOD-BASED PRODUCTS OR IN FOOD PROCESSING

#2
20240384472
2024-11-21

DRAINAGE AIDS AND THE USE THEREOF

#3
20240344274
2024-10-17

DISPERSIBLE PAPER, METHOD FOR PRODUCING SAME, PACKAGING AND USE OF SAID PAPER

#4
20240309295
2024-09-19

COMPOSITIONS AND METHODS OF USE FOR MACHINE WAREWASHING, BOTTLE WASHING, AND PULP ANTIFOAMING APPLICATIONS

#5
20230383469
2023-11-30

PAPER AND PULP FOAM CONTROL AGENT

#6
20230193562
2023-06-22

METHOD FOR CONTROLLING VOLATILE FATTY ACID CONTENT IN PULP, PAPER, AND/OR BOARD MAKING PROCESSES

#7
20220001303
2022-01-06

Defoaming formulations containing organopolysiloxanes

#8
20220001302
2022-01-06

Defoaming formulations containing organopolysiloxanes

#9
20220001301
2022-01-06

Defoaming formulations containing organopolysiloxanes

#10
20210243964
2021-08-12

AGRICULTURAL HYBRID PAPER AND METHODS OF MAKING THE SAME

#11
20210180257
2021-06-17

Treatment composition containing a mold inhibiting agent and a water repellent having reduced foaming properties

#12
20210162322
2021-06-03

EMULSION FOAM REDUCER FOR WET PROCESSING OF CELLULOSE OR WOOD-BASED PRODUCTS OR IN FOOD PROCESSING

#13
20190224591
2019-07-25

Defoaming formulations containing organopolysiloxanes

#14
20180327972
2018-11-15

Boronic acid containing polymers for papermaking process

#15
20180187376
2018-07-05

Brown stock wash control

#16
20180021698
2018-01-25

Emulsion foam reducer for wet processing of cellulose or woodbased products or in food processing

#17
20170312657
2017-11-02

DEFOAMING AGENT

#18
20160265162
2016-09-15

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

#19
20160184740
2016-06-30

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

#20
20160175741
2016-06-23

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

#21
20160107103
2016-04-21

Biodiesel-based emulsion defoamer and method for making the same

#22
20150273359
2015-10-01

Defoamer compositions and methods of using the same

#23
20150240424
2015-08-27

Anti-foaming agent and pulp production method

#24
20150233059
2015-08-20

WOOD PULP FOR GLASS PLATE-INTERLEAVING PAPER AND GLASS PLATE-INTERLEAVING PAPER

#25
20150080273
2015-03-19

Foam control formulations

#26
20150025182
2015-01-22

Process for preparation of stable fatty alcohol emulsion

#27
20140150690
2014-06-05

Water-soluble surfactant composition, ink formulation and paper coating formulation

#28
20140107229
2014-04-17

Oil-in-water emulsions

#29
20130040871
2013-02-14

Antifoam compositions comprising a mixture of organopolysiloxanes

#30
20120208952
2012-08-16

Method for Deaerating Liquids

#31
20110281985
2011-11-17

Defoaming agent

#32
20110213053
2011-09-01

NEW-TYPE PAPERMAKING WET-END DEFOAMER

#33
20110105428
2011-05-05

Hydrolysis resistant organomodified silylated ionic surfactants

#34
20110021688
2011-01-27

Defoamer formulations

#35
20100212847
2010-08-26

ANTI-FOAMING AGENT FOR THE PAPER INDUSTRY

#36
20100096583
2010-04-22

Antifoaming agent for aqueous media

#37
20090306282
2009-12-10

Process for making and using foam control compositions

#38
20080196853
2008-08-21

Method of monitoring surface associated microbiological activity in process streams

#39
20080167389
2008-07-10

Hydrolysis resistant organomodified silylated ionic surfactants

#40
20060128884
2006-06-15

Defoamers for pulp and papermaking applications

#41
20060128816
2006-06-15

Defoamer emulsion compositions for pulp mill applications

#42
20060111453
2006-05-25

Defoaming agent and/or deaerator for aqueous media tending to foam

#43
20050176908
2005-08-11

Slipping property imparting agent for clear coating and clear coating paper having the agent applied thereon