Patents-Review.com
ClassID:

30326 ⎘

B01D2252/20478 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Amines Alkanolamines

Sub-classes:
Recent Application in this class:
#1
20260027511
2026-01-29

REBOILER AND ACID GAS RECOVERY SYSTEM

 #2
20250296034
2025-09-25

ENERGY EFFICIENT CATALYTIC REGENERATION OF AMINO-BASED CARBON DIOXIDE SORBENTS

 #3
20250177906
2025-06-05

RECOVERY METHOD OF ABSORPTION SOLVENT WASTE LIQUID AND CO2 CAPTURE METHOD

 #4
20250083116
2025-03-13

SYSTEMS AND METHOD FOR RETROFITTING BROWNFIELD PLANTS

 #5
20250073632
2025-03-06

A SYSTEM AND METHOD FOR REMOVING ACIDIC GAS FROM A POST COMBUSTION PROCESS STREAM

 #6
20240228898
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

 #7
20240228897
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

 #8
20230357659
2023-11-09

Compositions and methods for scavenging hydrogen sulfide

 #9
20230356148
2023-11-09

System and method for solvent regeneration

 #10
20230294015
2023-09-21

Controlling degradation in a reboiler via higher surface roughness

 #11
20230191314
2023-06-22

CO2 RECOVERY UNIT AND CO2 RECOVERY METHOD

 #12
20230137305
2023-05-04

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

 #13
20230130161
2023-04-27

System and method to separate gases using high viscosity liquid sorbents in a spray contactor

 #14
20230113772
2023-04-13

Controlling degradation in a reboiler via a hydrophobic coating

 #15
20220410062
2022-12-29

Boiler plant and carbon dioxide removal method

 #16
20220401874
2022-12-22

Hydrogen sulfide removal process

 #17
20220280883
2022-09-08

Controlling degradation in a reboiler via a hydrophobic coating

 #18
20220153592
2022-05-19

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

 #19
20220126235
2022-04-28

Process for increased selectivity and capacity for hydrogen sulfide capture from acid gases

 #20
20210308619
2021-10-07

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

 #21
20210253438
2021-08-19

Sodium bicarbonate production

 #22
20210138403
2021-05-13

SYSTEM AND METHOD FOR SOLVENT REGENERATION

 #23
20210031138
2021-02-04

Absorbent liquid for CO2 and/or H2S, and apparatus and method using same

 #24
20210008490
2021-01-14

Process for aftertreatment of regeneration offgas

 #25
20200368674
2020-11-26

Acid gas removal apparatus and acid gas removal method

 #26
20200147545
2020-05-14

Porous liquid and methods of making and using the same

 #27
20200030739
2020-01-30

Cyclic amine for selectively removing hydrogen sulphide

 #28
20200016529
2020-01-16

Reclaiming method

 #29
20190388829
2019-12-26

Absorbent for selective removal of hydrogen sulfide from a fluid stream

 #30
20190292474
2019-09-26

Two-stage absorption for acid gas and mercaptan removal

 #31
20190270047
2019-09-05

Method and apparatus for continuous removal of carbon dioxide

 #32
20190240616
2019-08-08

Method of extracting components of gas mixtures by pertraction on nanoporous membranes

 #33
20190224618
2019-07-25

High hydrocarbon recovery membrane plus solvent based system

 #34
20190224614
2019-07-25

Combined acidic gas capture and water extraction process

 #35
20190143259
2019-05-16

COrecovery unit and COrecovery method

 #36
20190126193
2019-05-02

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

 #37
20190112538
2019-04-18

COMPOSITION AND USE THEREOF FOR THE REMOVAL OF ACID GASES FROM HYDROCARBON FLUID STREAMS

 #38
20190092636
2019-03-28

Process for the Recovery of Hydrochloric Acid

 #39
20190083922
2019-03-21

Carbon dioxide absorbent and apparatus of separating and recovering carbon dioxide

 #40
20190060779
2019-02-28

Systems and methods for enhancing amine agent recovery with a reclaimer

 #41
20190038859
2019-02-07

Anesthetic circuit having a hollow fiber membrane

 #42
20190030480
2019-01-31

Acidic gas recovery system and reclaiming device to be used in same

 #43
20190001259
2019-01-03

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

 #44
20180369710
2018-12-27

Thin-film treatment of high-value glycol and amine solvents to remove contaminants

 #45
20180280871
2018-10-04

Intensification of biocatalytic gas absorption

 #46
20180280867
2018-10-04

Absorbent liquid for COand/or HS, and apparatus and method using same

 #47
20180272271
2018-09-27

Cyclic amine for selectively removing hydrogen sulphide

 #48
20180264404
2018-09-20

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

 #49
20180257021
2018-09-13

COrecovery device and COrecovery method

 #50
20180229180
2018-08-16

Process for increased selectivity and capacity for hydrogen sulfide capture from acid gases

 #51
20180223204
2018-08-09

Gas separation by vaporized compound

 #52
20180222822
2018-08-09

Two-stage absorption for acid gas and mercaptan removal

 #53
20180193798
2018-07-12

Gas treatment system and gas treatment method

 #54
20180117571
2018-05-03

COdesorption catalyst

 #55
20180056231
2018-03-01

Variable side cooling for acid gas removal

 #56
20180030360
2018-02-01

Antifouling and hydrogen sulfide scavenging compositions and methods

 #57
20170348630
2017-12-07

Process designs for increased selectivity and capacity for hydrogen sulfide capture from acid gases

 #58
20170333831
2017-11-23

PROCESS FOR SEPARATING A PRODUCT GAS FROM A GASEOUS MIXTURE UTILIZING A GAS PRESSURIZED SEPARATION COLUMN AND A SYSTEM TO PERFORM THE SAME

 #59
20170182455
2017-06-29

Process for increased selectivity and capacity for hydrogen sulfide capture from acid gases

 #60
20170113178
2017-04-27

COrecovery unit and COrecovery method

 #61
20170113177
2017-04-27

COrecovery unit and COrecovery method

 #62
20170106332
2017-04-20

COrecovery apparatus and COrecovery process

 #63
20170100693
2017-04-13

COrecovery device and COrecovery method

 #64
20170030234
2017-02-02

Systems and methods for managing emissions from an engine of a vehicle

 #65
20160375398
2016-12-29

Reclaiming device, reclaiming method, and recovery unit for COor HS or both

 #66
20160296880
2016-10-13

Carbon dioxide recovering apparatus and method for operating the same

 #67
20160288049
2016-10-06

Reclaiming device, method, and recovery unit of CO, HS, or both of COand HS

 #68
20160256825
2016-09-08

Reclaiming device, method, and recovery unit of CO, HS, or both of COand HS

 #69
20160243491
2016-08-25

Method for removing SOfrom gas with compound alcohol-amine solution

 #70
20160236140
2016-08-18

Inner surface features for co-current contractors

 #71
20160193563
2016-07-07

Carbon capture solvents and methods for using such solvents

 #72
20160176784
2016-06-23

Systems and methods for producing hydrogen from a hydrocarbon and using the produced hydrogen in a hydrogenation reaction

 #73
20160166976
2016-06-16

SPLIT LINE SYSTEM, METHOD AND PROCESS FOR CO2 RECOVERY

 #74
20160121262
2016-05-05

Claus hydrocarbon destruction via staged solvent regeneration

 #75
20160115034
2016-04-28

COrecovery apparatus and COrecovery method

 #76
20160114285
2016-04-28

Method for purifying gas using liquid marbles

 #77
20160038872
2016-02-11

Non-aqueous amine scrubbing for removal of carbon dioxide

 #78
20160001197
2016-01-07

Thin-film treatment of high-value glycol and amine solvents to remove contaminants

 #79
20150336045
2015-11-26

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

 #80
20150273386
2015-10-01

Method and apparatus for removing absorbable gases from pressurized industrial gases contaminated with absorbable gases, without supplying cooling energy

 #81
20150246298
2015-09-03

Apparatus for and method of removing acidic gas from a gaseous stream and regenerating an absorbent solution

 #82
20150238893
2015-08-27

Dehydration-compression system and COrecovery system

 #83
20150217227
2015-08-06

COrecovery device and COrecovery method

 #84
20150174531
2015-06-25

Carbon dioxide recovery apparatus and carbon dioxide recovery method

 #85
20150165366
2015-06-18

Method for selectively desulfurizing a crude synthesis gas

 #86
20150139878
2015-05-21

CO2 recovery device and CO2 recovery method

 #87
20150139876
2015-05-21

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

 #88
20150139861
2015-05-21

Air pollution control system

 #89
20150132195
2015-05-14

System for absorbing and separating acid gases

 #90
20150125373
2015-05-07

Method for absorbing COfrom a gas mixture

 #91
20150098890
2015-04-09

CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING STERICALLY HINDERED ALKANOLAMINE, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME

 #92
20150078977
2015-03-19

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

 #93
20150044100
2015-02-12

Degradant concentration measurement device and acidic gas removal device

 #94
20150030516
2015-01-29

System for chemically absorbing carbon dioxide in combustion exhaust gas

 #95
20150027055
2015-01-29

SEPARATION OF HYDROGEN SULFIDE FROM NATURAL GAS

 #96
20140371507
2014-12-18

Process for separating at least one amine from one or more hydrocarbons, and apparatus relating thereto

 #97
20140367612
2014-12-18

Organic amine decarbonization solutions

 #98
20140345465
2014-11-27

Carbon dioxide chemical absorption system installed with vapor recompression equipment

 #99
20140301930
2014-10-09

Absorbent tertiary monoalkanolamine solution belonging to the 3-alcoxypropylamine family, and method for removing acidic compounds contained in a gas effluent

 #100
20140301928
2014-10-09

Carbon dioxide recovery apparatus and carbon dioxide recovery method

 #101
20140296576
2014-10-02

Method for isolating tertiary amino alcohol

 #102
20140174438
2014-06-26

Anesthetic circuit having a hollow fiber membrane

 #103
20140150653
2014-06-05

COrecovery apparatus and COrecovery method

 #104
20140076708
2014-03-20

Steam supply system and COrecovery unit including the same

 #105
20140076166
2014-03-20

Carbon dioxide recovery device

 #106
20130327025
2013-12-12

Combustion exhaust gas treatment system and method of treating combustion exhaust gas

 #107
20130303821
2013-11-14

Systems and methods of inhibiting foam formation using multiphase turbines

 #108
20130255496
2013-10-03

Ionic liquid solvent and gas purification method using the same

 #109
20130233015
2013-09-12

Carbon dioxide recovery apparatus and carbon dioxide recovery method

 #110
20130213651
2013-08-22

Mitigation of HS in steam injection technology using amines of natural origin

 #111
20130200625
2013-08-08

Sweep-based membrane gas separation integrated with gas-fired power production and CO2 recovery

 #112
20130193373
2013-08-01

Method and absorbent compositions for recovering a gaseous component from a gas stream

 #113
20130059365
2013-03-07

Target gas capture

 #114
20130056677
2013-03-07

Claus hydrocarbon destruction via staged solvent regeneration

 #115
20130052720
2013-02-28

ENZYMATIC PROCESS AND BIOREACTOR USING ELONGATED STRUCTURES FOR CO2 CAPTURE TREATMENT

 #116
20130000301
2013-01-03

Low pressure steam pre-heaters for gas purification systems and processes of use

 #117
20120269707
2012-10-25

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

 #118
20120251418
2012-10-04

Retention of amines in the removal of acid gases by means of amine absorption media

 #119
20120063980
2012-03-15

Alkanolamine COscrubbing process

 #120
20120063979
2012-03-15

High COto amine adsorption capacity COscrubbing processes

 #121
20120063978
2012-03-15

Ionic liquids as amine promoter solvents for removal of carbon dioxide

 #122
20120063977
2012-03-15

Ionic liquids for removal of carbon dioxide

 #123
20120061614
2012-03-15

Non-aqueous amine scrubbing for removal of carbon dioxide

 #124
20120060686
2012-03-15

Mixed amine and non-nucleophilic base CO2 scrubbing process for improved adsorption at increased temperatures

 #125
20110056377
2011-03-10

Carbon dioxide recovery system