ClassID:

30337

B01D2252/504 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Combinations of absorbents Mixtures of two or more absorbents

Recent Application in this class:
#1
20260115649
2026-04-30

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

#2
20260115646
2026-04-30

ACIDIC GAS-ABSORBING LIQUID AND ACIDIC GAS REDUCTION METHOD

#3
20260091345
2026-04-02

Methods And Compositions for Carbon Capture

#4
20260048359
2026-02-19

SEPARATION METHOD AND SEPARATION APPARATUS FOR CO2-CONTAINING PHASE CHANGE SOLUTION

#5
20260007998
2026-01-08

REGENERABLE SOLVENT MIXTURES FOR ACID-GAS SEPARATION

#6
20250360457
2025-11-27

GAS TREATMENT METHOD AND GAS TREATMENT DEVICE

#7
20250340436
2025-11-06

METHODS FOR RECOVERING IODINE (I2)

#8
20250296036
2025-09-25

COMPOSITIONS AND METHODS FOR CARBON DIOXIDE CAPTURE

#9
20250288948
2025-09-18

Performance-Enhanced Sulfur Scavenging Compositions

#10
20250288947
2025-09-18

METHOD FOR PRODUCING ACIDIC GAS ABSORBENT AND ACIDIC GAS ABSORBENT PRODUCED BY THE METHOD

#11
20250262589
2025-08-21

AMINE COMPOSITION FOR CARBON DIOXIDE SEPARATION USE

#12
20250229219
2025-07-17

CARBON DIOXIDE CAPTURE AGENT CONTAINING TWO TYPES OF AMINE COMPOUNDS AND CARBON DIOXIDE CAPTURE METHOD USING THE SAME

#13
20250170519
2025-05-29

METHOD AND APPARATUS FOR RECOVERING ABSORBING AGENTS IN ACID GAS TREATMENT

#14
20250153137
2025-05-15

WATER-ABSORBENT MATERIAL, WATER RECOVERY DEVICE, AND METHOD FOR RECOVERING WATER

#15
20250153096
2025-05-15

Hybrid Carbon Dioxide Removal Systems

#16
20250144557
2025-05-08

CARBON CAPTURE COMPOSITION AND SYSTEM

#17
20250115816
2025-04-10

FORMULATIONS AND METHODS TO REMOVE NON-ACIDIC SULFUR COMPOUNDS FROM GAS STREAMS

#18
20250090998
2025-03-20

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

#19
20250065257
2025-02-27

Method and System for Removing Acid Gas from Ethylene Cracking Gas

#20
20250059036
2025-02-20

MAKING FT PRODUCTS AFTER STREAM REFORMING AND HYDROCARBON REFORMING

#21
20250041798
2025-02-06

VERSATILE SCRUBBING LIQUID FOR REMOVAL OF CONTAMINANTS FROM A GASEOUS STREAM

#22
20250026700
2025-01-23

Combined Capture and Conversion of CO2 to Methanol in a Post Combustion Capture Solvent

#23
20250025829
2025-01-23

Carbon Capture

#24
20250018330
2025-01-16

COMPOSITION FOR CARBON DIOXIDE ABSORPTION

#25
20240417302
2024-12-19

Zero-emissions refinery system and method for liquid waste stream recovery of clean water and valuable by-products

#26
20240382899
2024-11-21

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

#27
20240382898
2024-11-21

PROCESS AND SYSTEM FOR CAPTURE OF CARBON DIOXIDE

#28
20240375047
2024-11-14

METHODS AND COMPOSITIONS FOR CARBON CAPTURE

#29
20240367095
2024-11-07

TERTIARY ALKANOLAMINE FOR GAS TREATING

#30
20240367092
2024-11-07

Sweetener with Mixed Acetal(s) and Oxidation Inhibitor(s)

#31
20240307817
2024-09-19

ACID GAS ABSORBENT, METHOD FOR REMOVING ACID GAS, AND ACID GAS REMOVAL APPARATUS

#32
20240293773
2024-09-05

ABSORBENT AQUEOUS COMPOSITION CONTAINING A BASE AND AN AZOLE FOR SEPARATING CARBON DIOXIDE FROM A GASEOUS EFFLUENT

#33
20240278169
2024-08-22

PROCESS FOR THE REMOVAL OF ACID GASES, SPECIFICALLY CO2, FROM GASEOUS MIXTURES CONTAINING THEM THROUGH THE USE OF ABSORBENT COMPOSITIONS INCLUDING CYCLIC UREAS AS A PHYSICAL SOLVENT

#34
20240181384
2024-06-06

OXYGEN ABSORBING COMPOSITION AND METHOD OF MANUFACTURING THEREOF

#35
20240123397
2024-04-18

ABSORBER AGENT FOR CARBON DIOXIDE DERIVED FROM ATMOSPHERE

#36
20240091702
2024-03-21

CHEMICAL SEQUESTERING OF CO2, NOx and SO2

#37
20240050892
2024-02-15

AQUEOUS ABSORPTION MEDIUM FOR REMOVAL OF ACID GASES

#38
20240050890
2024-02-15

METHOD FOR CAPTURING A MOLECULE OF INTEREST AND ASSOCIATED CAPTURE SYSTEM

#39
20240042377
2024-02-08

Composite amine absorbent, removal unit, and removal method

#40
20240042376
2024-02-08

Water-lean carbon dioxide absorbent and method for capturing carbon dioxide by using same

#41
20240002742
2024-01-04

REMOVAL OF ACID GASES FROM GASEOUS MIXTURES CONTAINING THEM

#42
20240001287
2024-01-04

REGENERATION DEVICE, GAS TREATMENT DEVICE, REGENERATION METHOD, AND GAS TREATMENT METHOD

#43
20230391618
2023-12-07

Method of generating clean syngas

#44
20230357658
2023-11-09

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

#45
20230356182
2023-11-09

COMPOSITION FOR CARBON DIOXIDE SEPARATION AND METHOD FOR SEPARATING CARBON DIOXIDE

#46
20230321597
2023-10-12

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

#47
20230321590
2023-10-12

AQUEOUS LIQUID SORBENT

#48
20230321589
2023-10-12

AQUEOUS CO2 ABSORBENT COMPRISING 2-AMINO-2-METHYL-1-PROPANOL AND 3-AMINOPROPANOL OR 2-AMINO-2-METHYL-1-PROPANOL AND 4-AMINOBUTANOL

#49
20230302400
2023-09-28

PROCESS FOR CAPTURING CO2 AND PROCESS FOR CONTINUOUSLY REGENERATING SOLVENT

#50
20230302397
2023-09-28

Dual-Loop Solution-Based Carbon Capture System and Method

#51
20230285891
2023-09-14

LOW-COST AND HIGH-EFFICIENCY ABSORPTION-DESORPTION DECOUPLING METHOD FOR CONTAMINANT-CO2 SYNERGISTIC CAPTURE

#52
20230256381
2023-08-17

Process and system for capture of carbon dioxide

#53
20230249127
2023-08-10

RATE ENHANCEMENT OF GAS CAPTURE PROCESSES

#54
20230241547
2023-08-03

REGENERABLE SOLVENT MIXTURES FOR ACID-GAS SEPARATION

#55
20230106908
2023-04-06

Method and apparatus for recovering absorbing agents in acid gas treatment

#56
20230078337
2023-03-16

Methods And Compositions for Carbon Capture

#57
20230001348
2023-01-05

NON-AQUEOUS SOLVENT FOR REMOVING ACIDIC GAS FROM A PROCESS GAS STREAM FOR HIGH PRESSURE APPLICATIONS

#58
20220410063
2022-12-29

Non-aqueous solvent COcapture in rotating packed bed

#59
20220387926
2022-12-08

COMPOSITIONS AND METHODS FOR CARBON DIOXIDE CAPTURE

#60
20220297053
2022-09-22

C1—C8 carboxylic acid salt solution for the absorption of CO

#61
20220274049
2022-09-01

Chemical sequestering of CO, NOand SO

#62
20220219980
2022-07-14

METHODS FOR RECOVERING IODINE (I2)

#63
20220212140
2022-07-07

HUMIDITY CONTROL DEVICE

#64
20220193601
2022-06-23

ABSORBENT FOR CO2 OR H2S, OR BOTH OF CO2 AND H2S, AND DEVICE AND METHOD FOR REMOVING CO2 OR H2S, OR BOTH OF CO2 AND H2S

#65
20220161224
2022-05-26

Acid gas absorbent in biogas and biogas purification system using the same

#66
20220153592
2022-05-19

Cooling absorption tower, CO2 recovery device including same, and CO2 recovery method

#67
20220098036
2022-03-31

Method of producing a cooled syngas of improved quality

#68
20220096997
2022-03-31

CHEMICAL SEQUESTERING OF CO2, NOX AND SO2

#69
20220056361
2022-02-24

Removal of sour gases from gas mixtures containing them

#70
20210403822
2021-12-30

Process for purifying a crude gas stream containing sulfur components and hydrocarbons

#71
20210402368
2021-12-30

Hydrogen sulfide adsorbent in biogas and biogas purification system using the same

#72
20210370229
2021-12-02

Filtering product

#73
20210362090
2021-11-25

Process and system for capture of carbon dioxide

#74
20210316248
2021-10-14

Organic iodine trapping apparatus

#75
20210308619
2021-10-07

Solvent and process for removing carbon dioxide from a gaseous mixture having high carbon dioxide partial pressures

#76
20210291108
2021-09-23

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

#77
20210253499
2021-08-19

PROCESS AND SYSTEM TO PURIFY GAS

#78
20210220769
2021-07-22

Two-stage method for removing COfrom synthesis gas

#79
20210197116
2021-07-01

METHOD OF SCAVENGING ACID SULFIDE SPECIES

#80
20210178316
2021-06-17

Regenerable solvent mixtures for acid-gas separation

#81
20210138391
2021-05-13

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

#82
20210138389
2021-05-13

Process for reducing energy consumption in the regeneration of hybrid solvents

#83
20210138388
2021-05-13

Energy efficient process for separating hydrogen sulfide from gaseous mixtures using a hybrid solvent mixture

#84
20210039040
2021-02-11

Carbon dioxide absorbent and method for separating out carbon dioxide by using same

#85
20210001268
2021-01-07

Glycol dehydration and regeneration

#86
20200376428
2020-12-03

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

#87
20200376427
2020-12-03

Method and apparatus for recovering absorbing agents in acid gas treatment

#88
20200324242
2020-10-15

Smoke capturing system and method

#89
20200298177
2020-09-24

Composition for controlling ambient humidity

#90
20200298176
2020-09-24

Composition for controlling ambient humidity

#91
20200289974
2020-09-17

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

#92
20200254380
2020-08-13

Absorbent solution based on hydroxyl derivatives of 1,6-hexanediamine and method for eliminating acid compounds from a gaseous effluent

#93
20200207703
2020-07-02

Hydrogen sulfide scavengers

#94
20200206677
2020-07-02

C1-C8 carboxylic acid salt solution for the absorption of CO

#95
20200171423
2020-06-04

Acid gas removal system for removing acidic gases from gaseous hydrocarbons

#96
20200164303
2020-05-28

Absorbent and process for selectively removing hydrogen sulfide

#97
20200157439
2020-05-21

Synergized acetals composition and method for scavenging sulfides and mercaptans

#98
20200086267
2020-03-19

AQUEOUS CO2 ABSORBENT COMPRISING 2-AMINO-2-METHYL-1-PROPANOL AND 3-AMINOPROPANOL OR 2-AMINO-2-METHYL-1-PROPANOL AND 4-AMINOBUTANOL

#99
20200086266
2020-03-19

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

#100
20200071219
2020-03-05

Control of aqueous arsenic, selenium, mercury or other metals from flue gas

#101
20200047117
2020-02-13

Process for producing a purified gas stream

#102
20200030739
2020-01-30

Cyclic amine for selectively removing hydrogen sulphide

#103
20200016528
2020-01-16

Process for separating hydrogen sulfide from gaseous mixtures using a hybrid solvent mixture

#104
20190388829
2019-12-26

Absorbent for selective removal of hydrogen sulfide from a fluid stream

#105
20190366263
2019-12-05

Method and apparatus for purification and treatment of air

#106
20190330541
2019-10-31

Composition for removal of sulfur-containing compound

#107
20190329176
2019-10-31

Compositions and methods for carbon dioxide capture

#108
20190321773
2019-10-24

Methods and systems for improving the energy efficiency of carbon dioxide capture

#109
20190291044
2019-09-26

Process and system for capture of carbon dioxide

#110
20190282953
2019-09-19

Membrane absorption process for COcapture

#111
20190262768
2019-08-29

Two-stage method for removing COfrom synthesis gas

#112
20190240613
2019-08-08

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

#113
20190210874
2019-07-11

Method of producing sulfur-depleted syngas

#114
20190210873
2019-07-11

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

#115
20190194523
2019-06-27

Synergized hemiacetals composition and method for scavenging sulfides and mercaptans

#116
20190160422
2019-05-30

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

#117
20190151794
2019-05-23

Composite amine absorbing solution, and device and method for removing CO2 or H2S or both

#118
20190134557
2019-05-09

Removal of hydrogen sulphide and carbon dioxide from a stream of fluid

#119
20190126195
2019-05-02

EXTERNAL GAS MIXING PIPE FOR LIQUID-GAS CONTACTING UNIT

#120
20190126193
2019-05-02

Premix for producing an absorption agent for removing acid gases from a fluid flow

#121
20190119197
2019-04-25

Hydrogen sulfide scavengers

#122
20190118136
2019-04-25

Composition and process for the dehydration of gases

#123
20190111380
2019-04-18

Process for selective removal of acid gases from fluid streams using a hybrid solvent mixture

#124
20190083922
2019-03-21

Carbon dioxide absorbent and apparatus of separating and recovering carbon dioxide

#125
20190010050
2019-01-10

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

#126
20190002768
2019-01-03

Nitrogen based hydrogen sulfide scavengers and method of use thereof

#127
20190001260
2019-01-03

Liquid having oxygen absorbing ability, method for producing same, and complex solution containing same

#128
20190001259
2019-01-03

Absorption agent, method of manufacturing same, and method for separation and recovery of acidic compound

#129
20180369743
2018-12-27

Polyamines, synthesis process thereof and use of same for the selective elimination of HS from a gaseous effluent comprising CO

#130
20180345206
2018-12-06

Regenerable solvent mixtures for acid-gas separation

#131
20180311611
2018-11-01

Absorbent for the selective removal of hydrogen sulfide

#132
20180311610
2018-11-01

Gas treatment method and gas treatment device

#133
20180290101
2018-10-11

Aqueous alkanolamine composition and process for the selective removal of hydrogen sulfide from gaseous mixtures

#134
20180280868
2018-10-04

Composition and process for gas dehydration

#135
20180272271
2018-09-27

Cyclic amine for selectively removing hydrogen sulphide

#136
20180272269
2018-09-27

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

#137
20180264404
2018-09-20

Methods and systems for improving the energy efficiency of carbon dioxide capture

#138
20180257022
2018-09-13

ABSORPTION AGENT AND A METHOD FOR SELECTIVELY REMOVING HYDROGEN SULPHIDE

#139
20180251421
2018-09-06

Beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent

#140
20180223204
2018-08-09

Gas separation by vaporized compound

#141
20180222847
2018-08-09

Diamine having tert-alkylamino group and primary amino group for use in gas scrubbing

#142
20180221811
2018-08-09

Absorbent for selective removal of hydrogen sulfide from a fluid stream

#143
20180200668
2018-07-19

Method and apparatus for continuous removal of water vapors from gases

#144
20180200666
2018-07-19

Method and apparatus for continuous removal of carbon dioxide vapors from gases

#145
20180078893
2018-03-22

Absorbing solution for separating and capturing carbon dioxide, and method for separating and capturing carbon dioxide in which same is used

#146
20180072640
2018-03-15

Ethane recovery process and alkylation process with ethane recovery

#147
20180050909
2018-02-22

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

#148
20180036676
2018-02-08

Exhaust gas clean-up and recovery system for fossil fuel fired power plant

#149
20180036675
2018-02-08

Continuous liquid desiccant dehumidification system

#150
20180015409
2018-01-18

Method and apparatus for recovering absorbing agents in acid gas treatment

#151
20180001259
2018-01-04

Method and system for treatment of a gas stream that contains carbon dioxide

#152
20180001255
2018-01-04

Solvent and method for removing acid gases from a gaseous mixture

#153
20170348631
2017-12-07

Amino acids react with carbon dioxide (CO2) and form nanofibers and nanoflowers

#154
20170326495
2017-11-16

Absorbing liquid, method for preparing absorbing liquid, and device and method for removing CO2 or H2S or both

#155
20170320008
2017-11-09

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

#156
20170312681
2017-11-02

PROCESS AND APPARATUS FOR SEPARATING ENTRAINED AMINES FROM A GAS STREAM

#157
20170282116
2017-10-05

Removal of carbon dioxide from a fluid flow

#158
20170282115
2017-10-05

Removal of hydrogen sulphide and carbon dioxide from a stream of fluid

#159
20170274319
2017-09-28

Method and apparatus for collecting carbon dioxide from flue gas

#160
20170252695
2017-09-07

Regenerable solvent mixtures for acid-gas separation

#161
20170246587
2017-08-31

Carbon dioxide absorbent comprising triamine

#162
20170239613
2017-08-24

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

#163
20170225118
2017-08-10

CARBON DIOXIDE ABSORBENT COMPRISING OXYGEN-CONTAINING DIAMINE

#164
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

#165
20170198226
2017-07-13

BIOGAS PURIFICATION BY TERPENE ABSORPTION

#166
20170197176
2017-07-13

Absorbent solution containing a mixture of 1,2-bis-(2-dimethylaminoethoxy)-ethane and of 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, and method of removing acid compounds from a gaseous effluent

#167
20170197175
2017-07-13

Energy-efficient extraction of acid gas from flue gases

#168
20170173522
2017-06-22

Carbon dioxide separation and capture apparatus and method of controlling operation of carbon dioxide separation and capture apparatus

#169
20170166446
2017-06-15

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

#170
20170152140
2017-06-01

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

#171
20170152139
2017-06-01

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

#172
20170145125
2017-05-25

Component separations in polymerization

#173
20170144102
2017-05-25

Sterically hindered amines and associated methods

#174
20170106333
2017-04-20

Method and apparatus for purification and treatment of air

#175
20170106331
2017-04-20

Absorbent system and method for capturing CO from a gas stream

#176
20170100694
2017-04-13

Absorbent solution based on beta-hydroxylated tertiary diamines and method of removing acid compounds from a gaseous effluent

#177
20170088505
2017-03-30

Hydrogen sulfide scavengers

#178
20170081604
2017-03-23

Acid gas removal process by absorbent solution comprising amine compounds

#179
20170081603
2017-03-23

Gas separation by vaporized compound

#180
20170081275
2017-03-23

NOVEL BETA-HYDROXYLATED TERTIARY DIAMINES, A PROCESS FOR THEIR SYNTHESIS AND THEIR USE FOR ELIMINATING ACID COMPOUNDS A GASEOUS EFFLUENT

#181
20170080411
2017-03-23

CARBON DIOXIDE RECOVERY APPARATUS AND METHOD FOR TREATING EXHAUST GAS

#182
20170080386
2017-03-23

Process for COcapture using micro-particles comprising biocatalysts

#183
20170080378
2017-03-23

THERMALLY STABLE AMINES FOR CO2 CAPTURE

#184
20170072363
2017-03-16

Method for treating waste gas containing polycyclic aromatic hydrocarbons

#185
20170056817
2017-03-02

GAS DESORPTION

#186
20170050141
2017-02-23

Apparatus for removing an acid gas from a gas stream

#187
20170036192
2017-02-09

Method for regenerating a used sorbent having a gas adsorbate adsorbed thereto

#188
20170021305
2017-01-26

Aqueous absorbent composition for enhanced removal of hydrogen sulfide from gaseous mixtures and method for using the same

#189
20170001142
2017-01-05

System for the capture and release of acid gases

#190
20160375400
2016-12-29

Liquid carbon dioxide absorbents, methods of using the same, and related systems

#191
20160346725
2016-12-01

Carbon dioxide capture system and method of operating carbon dioxide capture system

#192
20160332112
2016-11-17

Variable capacity multiple-leg packed separation column system and method of operation

#193
20160297729
2016-10-13

Ethylene recovery by absorption

#194
20160288046
2016-10-06

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

#195
20160271558
2016-09-22

Hybrid solvent formulations for selective HS removal

#196
20160263519
2016-09-15

Process for capturing sulfur dioxide from a gas stream

#197
20160243490
2016-08-25

PROCESS FOR CAPTURING CO2 FROM A CO2-CONTAINING GAS STREAM INVOLVING PHASE SEPARATION OF AQUEOUS ABSORBENT

#198
20160220947
2016-08-04

COMPOSITE AMINE ABSORBENT, AND APPARATUS AND METHOD FOR REMOVING CO2 AND/OR H2S

#199
20160206992
2016-07-21

Gas sweetening solvents containing quaternary ammonium salts

#200
20160193563
2016-07-07

Carbon capture solvents and methods for using such solvents

#201
20160193562
2016-07-07

Sterically hindered amines and associated methods

#202
20160152745
2016-06-02

Component separations in polymerization

#203
20160136568
2016-05-19

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

#204
20160115101
2016-04-28

METHODS AND APPARATUSES FOR REFORMING OF HYDROCARBONS INCLUDING RECOVERY OF PRODUCTS USING MIXING DEVICES

#205
20160114285
2016-04-28

Method for purifying gas using liquid marbles

#206
20160101385
2016-04-14

Carbon dioxide absorbent and method for absorbing and desorbing carbon dioxide

#207
20160068392
2016-03-10

Method for syngas clean-up of semi-volatile organic compounds

#208
20160060110
2016-03-03

System for syngas clean-up

#209
20160059176
2016-03-03

System for syngas clean-up of semi-volatile organic compounds

#210
20160045857
2016-02-18

Method and Device for Separating Acid Gases from a Gas Mixture

#211
20160030881
2016-02-04

Process for capturing CO2 from a CO2-containing gas stream using a thermoresponsive copolymer

#212
20160023966
2016-01-28

Ethylene recovery by absorption

#213
20150343370
2015-12-03

Variable capacity multiple-leg packed separation column

#214
20150336045
2015-11-26

Carbon dioxide absorbent based on amine having nitrile functional group, and carbon dioxide absorption method and separation method using same

#215
20150328581
2015-11-19

Regenerable solvent mixtures for acid-gas separation

#216
20150306538
2015-10-29

AN AQUEOUS CO2 ABSORBENT COMPRISING 2-AMINO-2-METHYL-1-PROPANOL AND 3-AMINOPROPANOL OR 2-AMINO-2-METHYL-1-PROPANOL AND 4-AMINOBUTANOL

#217
20150298052
2015-10-22

Dehydration of gases with liquid desiccant

#218
20150267027
2015-09-24

Component separations in polymerization

#219
20150246310
2015-09-03

Rate enhancement of COabsorption in aqueous potassium carbonate solutions by an ammonia-based catalyst

#220
20150197425
2015-07-16

CARBON DIOXIDE RECOVERY METHOD AND CARBON DIOXIDE RECOVERY DEVICE

#221
20150182907
2015-07-02

CARBON DIOXIDE ABSORBING AGENT, CARBON DIOXIDE CAPTURE SYSTEM AND METHOD OF SLOWING THE DEGRADATION OF THE CARBON DIOXIDE ABSORBING AGENT

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Process for purifying gaseous mixtures containing acidic gases

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20150132207
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Complex amine absorbent, and device and method for removing one or both of COand HS

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20150132195
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System for absorbing and separating acid gases

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20150118136
2015-04-30

Absorbent for desulfurization of combustion gas and method of treating combustion gas using the same

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20150031926
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METHODS FOR LIQUID-PHASE REACTIONS

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20150007728
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Aqueous solution which efficiently absorbs and recovers carbon dioxide in exhaust gas, and method for recovering carbon dioxide using same

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20140367612
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Organic amine decarbonization solutions

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20140366729
2014-12-18

Method for recovering ethylene during the process for producing VAC and a device thereof

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20140349366
2014-11-27

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

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2014-10-30

Mixtures of physical absorption solvents and ionic liquids for gas separation

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2014-10-30

Mixtures of physical absorption solvents and ionic liquids for gas separation

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2014-10-23

Method for eliminating acid compounds from a gaseous effluent with an absorbent solution made from bis(amino-3-propyl)ethers

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2014-10-09

Method and apparatus for collecting carbon dioxide from flue gas

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20140296061
2014-10-02

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

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20140294704
2014-10-02

Solvent and method for removal of an acid gas from a fluid stream

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20140252276
2014-09-11

System and method for syngas clean-up

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2014-06-05

Method and apparatus for hydrogen sulphide removal

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20140138578
2014-05-22

Composition for treating acid gas

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20140127119
2014-05-08

Carbon dioxide absorber and carbon dioxide separation/recovery method using the absorber

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20130320258
2013-12-05

Synergistic H S scavengers

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2013-11-28

Carbon oxide capture

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2013-11-14

Method for reducing regeneration energy

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2013-10-24

Sterically hindered amines and associated methods

#245
20130240047
2013-09-19

Low temperature transport and storage of amine gas treatment solutions

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2013-09-05

Removing acid gases from water vapour-containing fluid streams

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2013-09-05

Desiccant-based air conditioning system

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20130164200
2013-06-27

Regenerable solvent mixtures for acid-gas separation

#249
20130164199
2013-06-27

Regenerable solvent mixtures for acid-gas separation

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20130074693
2013-03-28

Water-saving liquid-gas conditioning system

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20130071307
2013-03-21

Method and device for the absorptive removal of carbon dioxide from biogas

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2013-03-07

REMOVAL OF CO2 FROM GASES OF LOW CO2 PARTIAL PRESSURES BY MEANS OF 1,2 DIAMINOPROPANE

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20130052110
2013-02-28

Vapour suppression additive

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20130052109
2013-02-28

COMPOSITIONS FOR ABSORBING CARBON DIOXIDE, AND RELATED PROCESSES AND SYSTEMS

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2012-12-20

Gas separation by vaporized compound

#256
20120308469
2012-12-06

Carbon dioxide-absorbing solution and method of recovering carbon dioxide

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20120308457
2012-12-06

Alkali-carbonate-based carbon dioxide absorbent containing added sterically hindered cyclic amines, and method for removing carbon dioxide removing using same

#258
20120308451
2012-12-06

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

#259
20120305840
2012-12-06

CARBON DIOXIDE ABSORBING SOLUTION

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20120294785
2012-11-22

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

#261
20120279847
2012-11-08

Method of cleaning and recycling glycol-tainted water from de-icing operations at airports

#262
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2012-10-25

Use of 2-(3-aminopropoxy)ethan-1-ol as an absorbent to remove acidic gases

#263
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2012-09-13

Ethylene recovery by absorption

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2012-09-13

Component separations in polymerization

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2012-08-30

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

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2012-08-30

Carbon dioxide absorbing solution

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2012-07-05

Liquid carbon dioxide absorbents, methods of using the same, and related systems

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2012-06-28

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

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2012-06-21

Absorbent for capturing carbon dioxide including amino acid having multi amine groups and metal hydroxide

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20120129236
2012-05-24

FORMULATION AND PROCESS FOR CO2 CAPTURE USING AMINO ACIDS AND BIOCATALYSTS

#271
20120128561
2012-05-24

Acid gas absorbent composition

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2012-05-17

Process for COcapture using micro-particles comprising biocatalysts

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2012-04-19

Ethylene separation

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2012-04-05

Contaminant-tolerant solvent and stripping chemical and process for using same for carbon capture from combustion gases

#275
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2011-11-24

Process for removing carbon dioxide (CO) from a cycle gas system

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2011-09-08

CARBON DIOXIDE ABSORBENTS

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2011-09-08

System and method of carbon capture and sequestration, environmental remediation, and metals recovery

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2011-04-07

COrecovery system and COabsorption liquid

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2011-03-10

Methods and assemblies for liquid-phase reactions

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2011-03-03

Self-Concentrating Absorbent for Acid Gas Separation

#281
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2011-01-20

Carbon Sequestration Using Ionic Liquids

#282
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2010-06-24

LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME

#283
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2010-04-29

Absorbents for separating acidic gases

#284
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2010-04-22

METHODS AND SYSTEMS FOR DEACIDIZING GASEOUS MIXTURES

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2009-11-12

Method of cleaning and recycling glycol-tainted water from de-icing operations at airports

#286
20090263302
2009-10-22

Self-concentrating absorbent for acid gas separation

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2008-04-03

Absorbing solution, method and device for absorbing COor HS or both

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20060251558
2006-11-09

COremoval from gas using ionic liquid absorbents

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Hybrid carbon dioxide removal systems

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Carbon dioxide and nitrogen oxides removal system for point of use abatement

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High performance COcapture solvent compositions, and COcapture systems and processes utilizing same