Patents-Review.com
ClassID:

30308 ⎘

B01D2252/2025 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Alcohols or their derivatives; Glycols, diols or their derivatives Ethers or esters of alkylene glycols, e.g. ethylene or propylene carbonate

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

Non-Triazine Based Scavengers

 #2
20260084094
2026-03-26

PLANT AND METHOD FOR PRODUCING CARBON DIOXIDE

 #3
20230249127
2023-08-10

RATE ENHANCEMENT OF GAS CAPTURE PROCESSES

 #4
20230009614
2023-01-12

HYGROSCOPIC HYDROGELS, METHODS AND USES THEREOF FOR WATER COLLECTION

 #5
20230001348
2023-01-05

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

 #6
20210380409
2021-12-09

PROCESS FOR SEPARATION OF HYDROGEN AND OXYGEN PRODUCED FROM PHOTOCATALYTIC WATER SPLITTING BY ABSORPTION

 #7
20210039040
2021-02-11

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

 #8
20200298177
2020-09-24

Composition for controlling ambient humidity

 #9
20200290871
2020-09-17

Process for separation of hydrogen and oxygen produced from photocatalytic water splitting by absorption

 #10
20200254379
2020-08-13

Glycol drying system and method for glycol drying

 #11
20200164306
2020-05-28

Gas dehydration composition and process to reduce solvent losses

 #12
20200164303
2020-05-28

Absorbent and process for selectively removing hydrogen sulfide

 #13
20190282953
2019-09-19

Membrane absorption process for COcapture

 #14
20190224618
2019-07-25

High hydrocarbon recovery membrane plus solvent based system

 #15
20190001259
2019-01-03

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

 #16
20190001256
2019-01-03

Processes for gas separation by solvent or absorbent

 #17
20180369710
2018-12-27

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

 #18
20180327263
2018-11-15

Process and apparatus for treating a sour synthesis gas

 #19
20180326348
2018-11-15

METHODS AND APPARATUSES FOR GAS SEPARATION BY SOLVENT OR ABSORBENT

 #20
20180311610
2018-11-01

Gas treatment method and gas treatment device

 #21
20180280868
2018-10-04

Composition and process for gas dehydration

 #22
20180257023
2018-09-13

Carbon dioxide absorbent

 #23
20180222847
2018-08-09

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

 #24
20180179460
2018-06-28

Configurations and methods of flexible CO2 removal

 #25
20180142175
2018-05-24

FOAM CONTROL OF GAS SWEETENING PROCESSES

 #26
20180043308
2018-02-15

Power generation from low-temperature heat by hydro-osmotic processes

 #27
20180043302
2018-02-15

Desulfurization and denitration agent

 #28
20180017319
2018-01-18

Heavy hydrocarbon removal from lean gas to LNG liquefaction

 #29
20170361265
2017-12-21

Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas

 #30
20170355920
2017-12-14

Process, method and system for removal of mercury in a gas dehydration process

 #31
20170246587
2017-08-31

Carbon dioxide absorbent comprising triamine

 #32
20170173518
2017-06-22

Composite method of trapping carbon dioxide in gas mixture

 #33
20170021305
2017-01-26

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

 #34
20170001142
2017-01-05

System for the capture and release of acid gases

 #35
20160375400
2016-12-29

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

 #36
20160369674
2016-12-22

Integrated process for COcapture and use in thermal power production cycle

 #37
20160310889
2016-10-27

Method for removing carbon dioxide from gas mixtures

 #38
20160310888
2016-10-27

Method for removing SOfrom gas using polyol composite solution

 #39
20160296878
2016-10-13

Sour syngas treatment apparatuses and processes for treating sour syngas comprising sulfur components and carbon dioxide

 #40
20160288046
2016-10-06

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

 #41
20160271558
2016-09-22

Hybrid solvent formulations for selective HS removal

 #42
20160237007
2016-08-18

Landfill gas treatment method with polishing

 #43
20160193560
2016-07-07

Optimization of stripper feed configuration for rich/lean solvent regeneration

 #44
20160184767
2016-06-30

Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas

 #45
20160166981
2016-06-16

Method of enhancing removal of gaseous contaminants from a feedstream in a treatment chamber having liquid medium

 #46
20160001197
2016-01-07

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

 #47
20150166915
2015-06-18

Configurations and methods of flexible CO2 removal

 #48
20150078973
2015-03-19

Heat recovery in absorption and desorption processes

 #49
20140318102
2014-10-30

Exhaust aftertreatment system where an activator material is added to the reductant fed to the catalytic converter

 #50
20140200373
2014-07-17

Formate based heat stable salt mitigation in physical solvent acid gas absorption processes

 #51
20140166282
2014-06-19

Functionalized hydrogen sulfide scavengers

 #52
20140090556
2014-04-03

Method and system for gas purification with first direct absorption step and second absorption step by means of membrane contactor

 #53
20130312607
2013-11-28

Carbon oxide capture

 #54
20130240047
2013-09-19

Low temperature transport and storage of amine gas treatment solutions

 #55
20130227982
2013-09-05

Desiccant-based air conditioning system

 #56
20130204066
2013-08-08

Unit for establishing contact between a gas and a liquid for a floating platform

 #57
20130055729
2013-03-07

Configurations and methods for high pressure acid gas removal in the production of ultra-low sulfur gas

 #58
20120269707
2012-10-25

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

 #59
20120230895
2012-09-13

SOUR NATURAL GAS SPARGER

 #60
20120211348
2012-08-23

Process to remove product alcohol from a fermentation by vaporization under vacuum

 #61
20120171095
2012-07-05

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

 #62
20120060690
2012-03-15

Dehydration systems and methods for removing water from a gas

 #63
20120035398
2012-02-09

Process to remove product alcohol from a fermentation by vaporization under vacuum

 #64
20110214566
2011-09-08

CARBON DIOXIDE ABSORBENTS

 #65
20110008229
2011-01-13

Sulfur recovery plant tail gas treatment process

 #66
20100154639
2010-06-24

LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME

 #67
15271175
2017-10-10

Solvents and methods for gas separation from gas streams