ClassID:

30339

B01D2252/602 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Additives Activators, promoting agents, catalytic agents or enzymes

Recent Application in this class:
#1
20250339814
2025-11-06

METHOD AND COMPOSITION FOR CARBON CAPTURE AND STORAGE

#2
20250303353
2025-10-02

GAS-LIQUID CONTACTOR FOR CAPTURING CARBON DIOXIDE

#3
20250296043
2025-09-25

GREENHOUSE GAS ABATEMENT

#4
20250296036
2025-09-25

COMPOSITIONS AND METHODS FOR CARBON DIOXIDE CAPTURE

#5
20250269322
2025-08-28

Interfacial Surface Structures for Carbon Dioxide Removal Systems

#6
20250161866
2025-05-22

PROCESS FOR SEPARATING CARBON DIOXIDE FROM AN AIR FLOW

#7
20250153096
2025-05-15

Hybrid Carbon Dioxide Removal Systems

#8
20250135393
2025-05-01

ENHANCEMENT OF CARBON DIOXIDE ABSORPTION CAPTURE WITH A FROTHING AGENT AND RELATED SYSTEMS AND METHODS

#9
20250090998
2025-03-20

HIGH PERFORMANCE CO2 CAPTURE SOLVENT COMPOSITIONS, AND CO2 CAPTURE SYSTEMS AND PROCESSES UTILIZING SAME

#10
20250059036
2025-02-20

MAKING FT PRODUCTS AFTER STREAM REFORMING AND HYDROCARBON REFORMING

#11
20250058271
2025-02-20

Interfacial Surface Structures for Carbon Dioxide Removal Systems

#12
20250042779
2025-02-06

Method and System for Iron Distribution in Marine Environment

#13
20250041798
2025-02-06

VERSATILE SCRUBBING LIQUID FOR REMOVAL OF CONTAMINANTS FROM A GASEOUS STREAM

#14
20250018327
2025-01-16

CO2 CAPTURE AND DESORPTION USING CORE-SHELL CATALYSTS

#15
20240424446
2024-12-26

Method of Capturing a Target Species From a Gas

#16
20240400925
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#17
20240399294
2024-12-05

CARBON DIOXIDE ABSORBENT COMPOSITION AND METHOD FOR CAPTURING CARBON DIOXIDE USING THE SAME

#18
20240392449
2024-11-28

SYSTEMS AND METHODS FOR ELECTROCHEMICAL GENERATION OF SYNGAS AND OTHER USEFUL CHEMICALS

#19
20240368776
2024-11-07

SYSTEMS AND METHODS FOR ELECTROCHEMICAL GENERATION OF SYNGAS AND OTHER USEFUL CHEMICALS

#20
20240325965
2024-10-03

DIRECT AIR CAPTURE OF CARBON DIOXIDE

#21
20240238723
2024-07-18

Ammonia Mediated Carbon Dioxide (CO2) Sequestration Methods and Systems

#22
20240228898
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

#23
20240228897
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

#24
20240216894
2024-07-04

COMPOSITE CATALYST FOR CARBON DIOXIDE ABSORBENT REGENERATION

#25
20240042375
2024-02-08

PROCESS FOR REMOVAL OF ACID GASES FROM A FLUID STREAM

#26
20240009623
2024-01-11

Method of capturing a target species from a gas

#27
20230405517
2023-12-21

A SOLVENT SOLUTION AND PROCESS

#28
20230391618
2023-12-07

Method of generating clean syngas

#29
20230357659
2023-11-09

Compositions and methods for scavenging hydrogen sulfide

#30
20230357658
2023-11-09

Method for removing acid compounds from a gaseous effluent using a tertiary amine-based absorbent solution

#31
20230321597
2023-10-12

Method and Scavenging Mixture for Removing Hydrogen Sulfide from a Gas Stream

#32
20230137305
2023-05-04

Porous Liquid, Self-Replenishing Porous Liquid And Methods Of Making And Using The Same

#33
20230029844
2023-02-02

Ammonia mediated carbon dioxide (CO) sequestration methods and systems

#34
20230017553
2023-01-19

Method for minimizing fouling, corrosion, and solvent degradation in low-temperature refinery and natural gas processes

#35
20220401874
2022-12-22

Hydrogen sulfide removal process

#36
20220118403
2022-04-21

BIOCATALYST-BASED CO2 STRIPPING TECHNIQUES AND RELATED SYSTEMS

#37
20220098036
2022-03-31

Method of producing a cooled syngas of improved quality

#38
20220047978
2022-02-17

ANTI-MICROBIAL, ANTI-ALLERGENIC BIO-FUNCTIONAL AIR FILTER MEDIUM FOR RESIDENTIAL AIR FILTRATION AND AIR FILTER ELEMENT

#39
20210236989
2021-08-05

Ammonia mediated carbon dioxide (CO2) sequestration methods and systems

#40
20210220771
2021-07-22

POST-COMBUSTION CO2 CAPTURE WITH HEAT RECOVERY AND INTEGRATION

#41
20210123147
2021-04-29

PROCESS AND SYSTEM FOR PRODUCING CARBON MONOXIDE AND DIHYDROGEN FROM A CO2-CONTAINING GAS

#42
20210123146
2021-04-29

Systems and methods for electrochemical generation of syngas and other useful chemicals

#43
20200376428
2020-12-03

Acid gas absorbent, acid gas removal method, and acid gas removal device

#44
20200261846
2020-08-20

Rotating packed beds with internal heat transfer for absorption/regeneration applications

#45
20200171424
2020-06-04

Separation of COfrom gas mixtures

#46
20200147545
2020-05-14

Porous liquid and methods of making and using the same

#47
20190381448
2019-12-19

Process for removal of acid gases from a fluid stream

#48
20190344213
2019-11-14

Amine based hydrogen sulfide scavenging additive compositions of copper salts, and medium comprising the same

#49
20190314758
2019-10-17

Ammonia mediated carbon dioxide (CO) sequestration methods and systems

#50
20190211278
2019-07-11

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

#51
20190210874
2019-07-11

Method of producing sulfur-depleted syngas

#52
20190210873
2019-07-11

Conditioned syngas composition, method of making same and method of processing same to produce fuels and/or fischer-tropsch products

#53
20190160422
2019-05-30

Acid gas absorbent, acid gas removal method, and acid gas removal device

#54
20190010050
2019-01-10

Unconditioned syngas composition and method of cleaning up same for fischer-tropsch processing

#55
20180345208
2018-12-06

Method for purifying a VOC-laden gas stream

#56
20180318755
2018-11-08

Separation of a target substance from a fluid or mixture using encapsulated sorbents

#57
20180311611
2018-11-01

Absorbent for the selective removal of hydrogen sulfide

#58
20180290100
2018-10-11

Removal of aromatic hydrocarbons from lean acid gas feed for sulfur recovery

#59
20180280871
2018-10-04

Intensification of biocatalytic gas absorption

#60
20180272269
2018-09-27

ACID GAS REMOVAL WITH AN ABSORPTION LIQUID THAT SEPARATES IN TWO LIQUID PHASES

#61
20180257033
2018-09-13

TECHNIQUES FOR CO2 CAPTURE USING SULFURIHYDROGENIBIUM SP. CARBONIC ANHYDRASE

#62
20180221818
2018-08-09

COcapture methods using carbonic anhydrase

#63
20180099245
2018-04-12

Gas denitration process and apparatus

#64
20180050909
2018-02-22

Method for converting biomass into fischer-tropsch products with carbon dioxide recycling

#65
20180044598
2018-02-15

Method of reducing hydrogen sulfide levels in gaseous mixtures using triazines

#66
20180001255
2018-01-04

Solvent and method for removing acid gases from a gaseous mixture

#67
20170320008
2017-11-09

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

#68
20170282116
2017-10-05

Removal of carbon dioxide from a fluid flow

#69
20170274309
2017-09-28

Mechanical system to capture and transform contaminant gases, and method to purify air

#70
20170239613
2017-08-24

Aqueous solution of 2-dimethylamino-2-hydroxymethyl-1, 3-propanediol useful for acid gas removal from gaseous mixtures

#71
20170232380
2017-08-17

Method of development and use of catalyst-functionalized catalytic particles to increase the mass transfer rate of solvents used in acid gas cleanup

#72
20170225117
2017-08-10

Process for the removal of acid gases from gaseous mixtures using an aqueous solution of 2-dimethylamino-2-hydroxymethyl-1, 3-propanediol

#73
20170209846
2017-07-27

Methods and systems for carrying out a pH-influenced chemical and/or biological reaction

#74
20170166446
2017-06-15

Method for syngas clean-up of semi-volatile organic compounds with metal removal

#75
20170152140
2017-06-01

Method for syngas clean-up of semi-volatile organic compounds with carbonyl sulfide removal

#76
20170152139
2017-06-01

Method for syngas clean-up of semi-volatile organic compounds with solids removal

#77
20170100695
2017-04-13

System and Method for Scrubbing Contaminated Gas with a Glycerol Solution

#78
20170080386
2017-03-23

Process for COcapture using micro-particles comprising biocatalysts

#79
20170072362
2017-03-16

Process for COcapture using carbonates and biocatalysts

#80
20170022141
2017-01-26

Process for cleaning carbon dioxide-containing process gases from the preparation of vinyl acetate

#81
20170021304
2017-01-26

Method for removing SOfrom gas using ethylene glycol composite solution

#82
20170014758
2017-01-19

Conversion of gas and treatment of a solution

#83
20160369674
2016-12-22

Integrated process for COcapture and use in thermal power production cycle

#84
20160361683
2016-12-15

Method of increasing mass transfer rate of acid gas scrubbing solvents

#85
20160346730
2016-12-01

Method of controlling a wet scrubber useful for removing sulphur dioxide from a process gas

#86
20160312141
2016-10-27

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

#87
20160296882
2016-10-13

Acidic gas absorbing agent, method for removing acidic gas and apparatus for removing acidic gas

#88
20160288046
2016-10-06

Hybrid solvent formulations for total organic sulfur removal and total acidic gas removal

#89
20160250591
2016-09-01

Catalytic COdesorption for ethanolamine based COcapture technologies

#90
20160214059
2016-07-28

Systems and methods for removing sulfur dioxide from a gas stream

#91
20160207854
2016-07-21

Use of diethylenetriamine as a CS2 scavenger in isoprene production

#92
20160193563
2016-07-07

Carbon capture solvents and methods for using such solvents

#93
20160166976
2016-06-16

SPLIT LINE SYSTEM, METHOD AND PROCESS FOR CO2 RECOVERY

#94
20160158690
2016-06-09

Reversible light driven gas absorbent solution and process

#95
20160136568
2016-05-19

Acidic gas absorbing agent, method for removing acidic gas and apparatus for removing acidic gas

#96
20160114290
2016-04-28

Methods and systems for carrying out a pH-influenced chemical and/or biological reaction

#97
20160059178
2016-03-03

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

#98
20160038871
2016-02-11

Sorbent compositions for use in a wet scrubber unit

#99
20150367277
2015-12-24

Alkanolamine-Based Carbon Dioxide Absorbent Containing Polyalkylene Glycol Monomethyl Ether, and Carbon Dioxide Absorption Method and Separation Method Using Same

#100
20150321144
2015-11-12

Method for selective absorption of hydrogen sulfide from a gaseous effluent by a 1,2-bis(2-dimethylaminoethoxy)ethane-based absorbent solution comprising a viscosifying agent

#101
20150321138
2015-11-12

METHOD FOR REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT USING AN ABSORBENT SOLUTION BASED ON 1,2-BIS(2-DIMETHYLAMINOETHOXY)ETHANE AND AN ACTIVATOR

#102
20150298051
2015-10-22

Method and system for recovery of carbon dioxide from gas

#103
20150283502
2015-10-08

Techniques for COcapture using sp. carbonic anhydrase

#104
20150196875
2015-07-16

Method of increasing mass transfer rate of acid gas scrubbing solvents

#105
20150165375
2015-06-18

Scrubbing solution for absorption of carbon dioxide and method for accelerating the absorption by germanium dioxide

#106
20150151248
2015-06-04

Carbon capture

#107
20150151246
2015-06-04

Acid gas absorbent, acid gas removal device, and acid gas removal method

#108
20150139877
2015-05-21

Process for purifying gaseous mixtures containing acidic gases

#109
20150110694
2015-04-23

Methods and systems for carrying out a pH-influenced chemical and/or biological reaction

#110
20150104367
2015-04-16

Acyclic aza-containing ligands for use as catalytic carbon capture systems

#111
20140349366
2014-11-27

Process for desorbing COcapture from ion-rich mixture with micro-particles comprising biocatalysts

#112
20140335589
2014-11-13

Separation of a target substance from a fluid or mixture using encapsulated sorbents

#113
20140296061
2014-10-02

Catalysts and methods of increasing mass transfer rate of acid gas scrubbing solvents

#114
20140294705
2014-10-02

Method of increasing mass transfer rate of acid gas scrubbing solvents

#115
20140205525
2014-07-24

Amine promotion for COcapture

#116
20140099701
2014-04-10

Process for biocatalytic COcapture using dimethylmonoethanolamine, diethylmonoethanolamine or dimethylglycine

#117
20130292607
2013-11-07

Solvent, process for providing an absorption liquid, use of the solvent and process for activating the solvent

#118
20130260442
2013-10-03

CARBON DIOXIDE CAPTURE PROCESS WITH CATALYTICALLY-ENHANCED SOLVENT AND PHASE SEPARATION

#119
20130255496
2013-10-03

Ionic liquid solvent and gas purification method using the same

#120
20130108532
2013-05-02

Catalytic method and apparatus for separating a gaseous component from an incoming gas stream

#121
20130059365
2013-03-07

Target gas capture

#122
20130058857
2013-03-07

Methods and systems for carrying out a pH-influenced chemical and/or biological reaction

#123
20130052720
2013-02-28

ENZYMATIC PROCESS AND BIOREACTOR USING ELONGATED STRUCTURES FOR CO2 CAPTURE TREATMENT

#124
20120313046
2012-12-13

METHOD OF CAPTURING ACID COMOUNDS THROUGH HYDRATE FORMATION WITH A DEMIXING STAGE

#125
20120308451
2012-12-06

Acid gas absorbent, acid gas removal method, and acid gas removal device

#126
20120279728
2012-11-08

Removal of acid gases from a gas stream, with COcapture and sequestration

#127
20120219480
2012-08-30

COMPOSITIONS FOR WET AIR SCRUBBERS AND METHODS FOR OPERATING AND CLEANING WET AIR SCRUBBERS USING THE SAME

#128
20120214219
2012-08-23

Separation of a target substance from a fluid or mixture using encapsulated sorbents

#129
20120211421
2012-08-23

SYSTEMS AND METHODS FOR PROCESSING CO2

#130
20120186993
2012-07-26

IONIC LIQUIDS

#131
20120161071
2012-06-28

Acid gas absorbent, acid gas removal method, and acid gas removal device

#132
20120129246
2012-05-24

Process for COcapture using carbonates and biocatalysts with absorption of COand desorption of ion-rich solution

#133
20120129236
2012-05-24

FORMULATION AND PROCESS FOR CO2 CAPTURE USING AMINO ACIDS AND BIOCATALYSTS

#134
20120122195
2012-05-17

Process for COcapture using micro-particles comprising biocatalysts

#135
20120064610
2012-03-15

SOLVENT AND METHOD FOR CO2 CAPTURE FROM FLUE GAS

#136
20120009646
2012-01-12

Chemically modified carbonic anhydrases useful in carbon capture systems

#137
20120003133
2012-01-05

Air pollution solution to the problem of opacity in coal fired power plant stack emissions

#138
20110293497
2011-12-01

METHOD OF ENRICHING A GASEOUS EFFLUENT IN ACID GAS

#139
20110277670
2011-11-17

SYSTEMS AND METHODS FOR PROCESSING CO2

#140
20110269205
2011-11-03

USE OF ENZYME CATALYSTS IN CO2 PCC PROCESSES

#141
20110232490
2011-09-29

Chemical compounds for the removal of carbon dioxide from gases

#142
20110091955
2011-04-21

METHODS AND SYSTEMS FOR TREATING INDUSTRIAL WASTE GASES

#143
20100104490
2010-04-29

Gas deacidizing method using an absorbent solution with demixing control

#144
18509878
2024-06-11

Hybrid carbon dioxide removal systems

#145
18234280
2024-06-25

Interfacial surface structures for carbon dioxide removal systems