Patents-Review.com
ClassID:

30329 ⎘

B01D2252/20494 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Amines Amino acids, their salts or derivatives

Recent Application in this class:
#1
20260061367
2026-03-05

PHOTOCHEMICALLY CONTROLLED DIRECT AIR CAPTURE OF CARBON DIOXIDE WITH A GUANIDINE PHOTOBASE

 #2
20250387750
2025-12-25

METHOD FOR TRAPPING AND STORING CO2

 #3
20250296036
2025-09-25

COMPOSITIONS AND METHODS FOR CARBON DIOXIDE CAPTURE

 #4
20250296034
2025-09-25

ENERGY EFFICIENT CATALYTIC REGENERATION OF AMINO-BASED CARBON DIOXIDE SORBENTS

 #5
20250269322
2025-08-28

Interfacial Surface Structures for Carbon Dioxide Removal Systems

 #6
20250196055
2025-06-19

PROCESS FOR CAPTURING CO2 FROM A MOBILE SOURCE USING AN AMINO ACID SOLVENT

 #7
20250161867
2025-05-22

SOLVENT SYSTEMS FOR CARBON DIOXIDE CAPTURE AND METHODS OF MAKING AND USING SAID SYSTEMS

 #8
20250153096
2025-05-15

Hybrid Carbon Dioxide Removal Systems

 #9
20250153093
2025-05-15

VAPOUR COMPRESSION FOR REGENERATION OF A CAPTURE MEDIUM RICH IN A CAPTURED TARGET GAS

 #10
20250144558
2025-05-08

EXTREME TEMPERATURE DIRECT AIR CAPTURE SOLVENT

 #11
20250058271
2025-02-20

Interfacial Surface Structures for Carbon Dioxide Removal Systems

 #12
20230405517
2023-12-21

A SOLVENT SOLUTION AND PROCESS

 #13
20230127859
2023-04-27

PROCESS FOR CAPTURING CO2 FROM A MOBILE SOURCE USING AN AMINO ACID SOLVENT

 #14
20210387136
2021-12-16

Gas dehydration

 #15
20200376428
2020-12-03

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

 #16
20190388829
2019-12-26

Absorbent for selective removal of hydrogen sulfide from a fluid stream

 #17
20190366263
2019-12-05

Method and apparatus for purification and treatment of air

 #18
20190160422
2019-05-30

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

 #19
20190038859
2019-02-07

Anesthetic circuit having a hollow fiber membrane

 #20
20190027771
2019-01-24

ACID GAS REGENERABLE BATTERY

 #21
20190010118
2019-01-10

Guanidine compounds for removal of oxyanions from aqueous solutions and for carbon dioxide capture

 #22
20180296972
2018-10-18

Process and contactor vessel for the absorption of target gas by counter-current absorption process and fluidised bed

 #23
20180280871
2018-10-04

Intensification of biocatalytic gas absorption

 #24
20180257033
2018-09-13

TECHNIQUES FOR CO2 CAPTURE USING SULFURIHYDROGENIBIUM SP. CARBONIC ANHYDRASE

 #25
20180221818
2018-08-09

COcapture methods using carbonic anhydrase

 #26
20180221811
2018-08-09

Absorbent for selective removal of hydrogen sulfide from a fluid stream

 #27
20180140993
2018-05-24

COMBINED SYSTEM BASED ON MIXTURES OF IONIC LIQUIDS AND AMINO ACIDS TO ABSORB CARBON DIOXIDE

 #28
20180126326
2018-05-10

APPARATUS AND METHOD FOR CARBON DIOXIDE CAPTURE

 #29
20180117530
2018-05-03

DEVICE AND METHOD FOR SEPARATING CARBON DIOXIDE FROM A GAS FLOW

 #30
20180104643
2018-04-19

Composition and apparatus for purifying nitrogen-oxide-containing gases

 #31
20180036713
2018-02-08

Porous materials, methods of manufacture thereof and articles comprising the same

 #32
20170348631
2017-12-07

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

 #33
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

 #34
20170120185
2017-05-04

Method and device for separating carbon dioxide from a gas stream and for removing degradation products in the washing medium by photolytic decomposition

 #35
20170106333
2017-04-20

Method and apparatus for purification and treatment of air

 #36
20170106331
2017-04-20

Absorbent system and method for capturing CO from a gas stream

 #37
20170080386
2017-03-23

Process for COcapture using micro-particles comprising biocatalysts

 #38
20170072362
2017-03-16

Process for COcapture using carbonates and biocatalysts

 #39
20170043275
2017-02-16

Processing unit for a washing medium contaminated with sulphur oxides and/or nitrogen oxides

 #40
20160243491
2016-08-25

Method for removing SOfrom gas with compound alcohol-amine solution

 #41
20160206991
2016-07-21

Method for separating carbon dioxide from a gas flow, in particular from a flue gas flow, and separating device for separating carbon dioxide from a gas flow, in particular from a flue gas flow

 #42
20160158690
2016-06-09

Reversible light driven gas absorbent solution and process

 #43
20160136568
2016-05-19

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

 #44
20160101385
2016-04-14

Carbon dioxide absorbent and method for absorbing and desorbing carbon dioxide

 #45
20160074804
2016-03-17

ABSORPTION MEDIUM, PROCESS FOR PRODUCING AN ABSORPTION MEDIUM, AND ALSO PROCESS AND APPARATUS FOR SEPARATING HYDROGEN SULFIDE FROM AN ACIDIC GAS

 #46
20160008755
2016-01-14

Method and device for the treatment of a gas stream, in particular for the treatment of a natural gas stream

 #47
20150375164
2015-12-31

PROCESS AND APPARATUS FOR PROCESSING A GAS STREAM AND ESPECIALLY FOR PROCESSING A FLUE GAS STREAM

 #48
20150375137
2015-12-31

METHOD AND DEVICE FOR TREATMENT OF AN AMINO ACID SALT SOLUTION THAT IS CONTAMINATED WITH CARBON

 #49
20150283502
2015-10-08

Techniques for COcapture using sp. carbonic anhydrase

 #50
20150251129
2015-09-10

Method and device for stripping a gas from a gas mixture using a venturi ejector

 #51
20150241059
2015-08-27

Air pollution control system and air pollution control method

 #52
20150231561
2015-08-20

PROCESSES AND METHODS FOR LOW ENERGY CARBON DIOXIDE CAPTURE

 #53
20150165375
2015-06-18

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

 #54
20150139876
2015-05-21

AMINE-CONTAINING SCRUBBING SOLUTION WITH OZONE AND/OR HYDROGEN PEROXIDE FOR ABSORBING CARBON DIOXIDE

 #55
20150086458
2015-03-26

Formaldehyde absorbent and method for using the same

 #56
20150078977
2015-03-19

AMINE SCRUBBING SOLUTION FOR ABSORPTION OF CARBON DIOXIDE, WITH OXIDATION INHIBITORS

 #57
20150034867
2015-02-05

Method and device for treating a contaminated alkaline amino acid saline solution

 #58
20140356268
2014-12-04

Method and absorption medium for absorbing COfrom a gas mixture

 #59
20140349366
2014-11-27

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

 #60
20140174438
2014-06-26

Anesthetic circuit having a hollow fiber membrane

 #61
20140099701
2014-04-10

Process for biocatalytic COcapture using dimethylmonoethanolamine, diethylmonoethanolamine or dimethylglycine

 #62
20130292607
2013-11-07

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

 #63
20130260442
2013-10-03

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

 #64
20130214202
2013-08-22

Preparation of an amine based solvent contaminated by the introduction of sulfur oxides

 #65
20130174566
2013-07-11

Method for removing carbon dioxide, and also gas turbine installation with carbon dioxide removal

 #66
20130059365
2013-03-07

Target gas capture

 #67
20130052720
2013-02-28

ENZYMATIC PROCESS AND BIOREACTOR USING ELONGATED STRUCTURES FOR CO2 CAPTURE TREATMENT

 #68
20120305840
2012-12-06

CARBON DIOXIDE ABSORBING SOLUTION

 #69
20120282158
2012-11-08

METHOD FOR ABSORPTION OF ACID GASES USING AMINO ACIDS

 #70
20120238006
2012-09-20

Process for removal of carbon dioxide from a gas stream

 #71
20120217437
2012-08-30

Carbon dioxide absorbing solution

 #72
20120153223
2012-06-21

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

 #73
20120129246
2012-05-24

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

 #74
20120129236
2012-05-24

FORMULATION AND PROCESS FOR CO2 CAPTURE USING AMINO ACIDS AND BIOCATALYSTS

 #75
20120122195
2012-05-17

Process for COcapture using micro-particles comprising biocatalysts

 #76
20120027664
2012-02-02

CARBON DIOXIDE CAPTURE SYSTEM AND METHODS OF CAPTURING CARBON DIOXIDE

 #77
20120027663
2012-02-02

Carbon dioxide capture system and methods of capturing carbon dioxide

 #78
20110309295
2011-12-22

Absorbing agent, method for manufacturing an absorbing agent and use of an absorbent agent

 #79
20110182799
2011-07-28

SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT

 #80
20110158873
2011-06-30

SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT

 #81
20110120305
2011-05-26

Amino acid salt articles and methods of making and using them

 #82
20110052458
2011-03-03

Self-Concentrating Absorbent for Acid Gas Separation

 #83
20110014100
2011-01-20

Carbon Sequestration Using Ionic Liquids

 #84
20100186590
2010-07-29

Absorption medium for removing acid gases which comprises amino acid and acid promoter

 #85
20100092359
2010-04-15

Method for capturing COfrom exhaust gas

 #86
20090263302
2009-10-22

Self-concentrating absorbent for acid gas separation

 #87
20080125314
2008-05-29

Absorbent for separation of carbon dioxide

 #88
18509878
2024-06-11

Hybrid carbon dioxide removal systems

 #89
18369290
2024-08-20

Air-liquid contactor for carbon dioxide direct air capture using aqueous solvent

 #90
18234280
2024-06-25

Interfacial surface structures for carbon dioxide removal systems