ClassID:

30338

B01D2252/60 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption Additives

Sub-classes:
Recent Application in this class:
#1
20260115648
2026-04-30

Non-Triazine Based Scavengers

#2
20250339809
2025-11-06

Acid Gas Scrubbing Methods Featuring Amine Phase Separation for Hydrogen Sulfide Capture

#3
20250235851
2025-07-24

Microwave-Accelerated Aqueous Solvent Regeneration using Microwave Absorbers for Carbon Capture

#4
20250188626
2025-06-12

CARBON DIOXIDE CAPTURE AND UTILIZATION AS A CLEAN FEEDSTOCK

#5
20250073675
2025-03-06

ARTICLES COMPOSED OF ANHYDROUS POLYELECTROLYTE COMPLEXES AND THEIR USE AS DRYING AGENTS

#6
20250073668
2025-03-06

CARBON DIOXIDE SORBENT MOLECULES, PROCESSES OF MAKING, AND USES

#7
20250025829
2025-01-23

Carbon Capture

#8
20240390839
2024-11-28

Chemical Additives For Direct Air Carbon Capture

#9
20240382899
2024-11-21

Hydrophobic MOF-Based Porous Liquid Carbon Capture Absorbent and Preparation Method Therefor

#10
20240050890
2024-02-15

METHOD FOR CAPTURING A MOLECULE OF INTEREST AND ASSOCIATED CAPTURE SYSTEM

#11
20230356144
2023-11-09

PROCESS

#12
20230302399
2023-09-28

MAGNETIC SWING ABSORPTION

#13
20230226483
2023-07-20

Acid Gas Scrubbing Methods Featuring Amine Phase Separation for Hydrogen Sulfide Capture

#14
20230182069
2023-06-15

HYDROGEN SULFIDE SCAVENGING COMPOSITIONS WITH SUPRAMOLECULAR STRUCTURES AND METHODS OF USE

#15
20220212935
2022-07-07

CO 2 mineralization in produced and industrial effluent water by pH-swing carbonation

#16
20220176302
2022-06-09

SYSTEM FOR ELIMINATING BAD-SMELLING EMISSIONS FROM INDUSTRIAL PROCESSES

#17
20220168707
2022-06-02

ARTICLES COMPOSED OF ANHYDROUS POLYELECTROLYTE COMPLEXES AND THEIR USE AS DRYING AGENTS

#18
20220080348
2022-03-17

Acidic gas absorbent, acidic gas removal method and acidic gas removal apparatus

#19
20220026081
2022-01-27

AN APPARATUS FOR REMOVING WATER FROM A FLUID

#20
20210362089
2021-11-25

Process for dehumidifying moist gas mixtures

#21
20210138391
2021-05-13

Method and a system for the removal of carbon dioxide from solvents

#22
20210138390
2021-05-13

Combined acid gas removal and water filtration system

#23
20200332203
2020-10-22

Hydrogen sulfide removal process

#24
20200298172
2020-09-24

METHODS OF PURIFYING INDUSTRIAL GAS STREAMS

#25
20200297889
2020-09-24

AIRBORNE MICROORGANISMS NEUTRALIZING SYSTEM AND METHOD OF NEUTRALIZING AIRBONE MICROORGANISM

#26
20200289974
2020-09-17

System and method for removing acid gas from a sour gas stream

#27
20200269186
2020-08-27

Methods for treating a flue gas stream using a wet scrubber unit

#28
20200255291
2020-08-13

Acid gas enrichment method and system

#29
20200180964
2020-06-11

CO2 mineralization in produced and industrial effluent water by pH-swing carbonation

#30
20200116003
2020-04-16

Hydrogen sulfide removal process

#31
20200001228
2020-01-02

Methods for treating a flue gas stream using a wet scrubber unit

#32
20190388829
2019-12-26

Absorbent for selective removal of hydrogen sulfide from a fluid stream

#33
20190374902
2019-12-12

Extracting Water From A Gas Mixture With An Absorption Unit In Combination With A Thermal Water Extraction System

#34
20190366263
2019-12-05

Method and apparatus for purification and treatment of air

#35
20190300826
2019-10-03

Chemical compositions and method for degassing of processing equipment

#36
20190255178
2019-08-22

DEVICES AND METHODS FOR CONTROLLING HEADSPACE HUMIDITY AND OXYGEN LEVELS

#37
20190240613
2019-08-08

System and method for removing acid gas from a sour gas stream

#38
20190118136
2019-04-25

Composition and process for the dehydration of gases

#39
20180345209
2018-12-06

SCAVENGERS

#40
20180221811
2018-08-09

Absorbent for selective removal of hydrogen sulfide from a fluid stream

#41
20180161725
2018-06-14

System and method for reducing liquid discharge from one or more devices

#42
20180104643
2018-04-19

Composition and apparatus for purifying nitrogen-oxide-containing gases

#43
20180100129
2018-04-12

Chemical compositions and method for degassing of processing equipment

#44
20180085706
2018-03-29

Ambient Air Purifier with Humidification and Dehumidification

#45
20180044598
2018-02-15

Method of reducing hydrogen sulfide levels in gaseous mixtures using triazines

#46
20180028963
2018-02-01

Methods for treating a flue gas stream using a wet scrubber unit

#47
20170360936
2017-12-21

Devices and methods for controlling headspace humidity and oxygen levels

#48
20170320008
2017-11-09

Process For Selectively Removing Hydrogen Sulphide From Gaseous Mixtures And Use Of A Thioalkanol For Selectively Removing Hydrogen Sulphide

#49
20170306247
2017-10-26

WATER-BASED FORMULATION OF H2S/MERCAPTAN SCAVENGER FOR FLUIDS IN OILFIELD AND REFINERY APPLICATIONS

#50
20170284685
2017-10-05

Heat pumps utilizing ionic liquid desiccant

#51
20170256812
2017-09-07

Carbon dioxide trapping device and method capable of producing electricity

#52
20170218793
2017-08-03

MULTI STAGE VAPOR COMPRESSION FOR HIGH EFFICIENCY POWER PRODUCTION AND HEAT PUMP

#53
20170216763
2017-08-03

COmass transfer enhancement of aqueous amine solvents by particle additives

#54
20170106333
2017-04-20

Method and apparatus for purification and treatment of air

#55
20160243494
2016-08-25

Apparatus and method for evaporating waste water and reducing acid gas emissions

#56
20160243493
2016-08-25

Apparatus and method for evaporating waste water and reducing acid gas emissions

#57
20160158690
2016-06-09

Reversible light driven gas absorbent solution and process

#58
20160151735
2016-06-02

SYSTEM FOR SEPARATING OUT VOLATILE DEGRADATION PRODUCTS, AND METHOD FOR OPERATING THE SYSTEM

#59
20160101384
2016-04-14

Device and a method of cleaning an effluent gas from an aluminium production electrolytic cell

#60
20160059178
2016-03-03

System and method for desorption of acid gas from an absorption liquid

#61
20160038871
2016-02-11

Sorbent compositions for use in a wet scrubber unit

#62
20160016109
2016-01-21

Marine exhaust gas scrubber

#63
20150202563
2015-07-23

Ambient air purifier with humidification and dehumidification

#64
20150147254
2015-05-28

PROCESS FOR SELECTIVELY REMOVING HYDROGEN SULPHIDE FROM GASEOUS MIXTURES AND USE OF A THIOALKANOL FOR SELECTIVELY REMOVING HYDROGEN SULPHIDE

#65
20130266498
2013-10-10

Systems and methods for removing components of a gas mixture

#66
20130240047
2013-09-19

Low temperature transport and storage of amine gas treatment solutions

#67
20130152782
2013-06-20

Method and device for treating exhaust gas containing carbon dioxide

#68
20130087511
2013-04-11

METHOD AND APPARATUS FOR REDUCING VOCS RELEASED DURING FRACKING OPERATIONS

#69
20130052110
2013-02-28

Vapour suppression additive

#70
20110315921
2011-12-29

Water-based formulation of H2S/mercaptan scavenger for fluids in oilfield and refinery applications

#71
20110151537
2011-06-23

Synthetic catalysts that separate COfrom the atmosphere and gas mixtures

#72
18976755
2025-07-08

Carbon dioxide capture using magnetic heating

#73
15498403
2018-02-27

Reclaiming useful products from exhaust gas clean-up system