Patents-Review.com
ClassID:

30332 ⎘

B01D2252/2056 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Other organic compounds not covered by  -  Sulfur compounds, e.g. Sulfolane, thiols

Recent Application in this class:
#1
20260115644
2026-04-30

CARBON DIOXIDE CAPTURE METHOD

 #2
20250090997
2025-03-20

REMOVAL OF MERCURY IN A GAS DEHYDRATION PROCESS USING THERMALLY STABLE CHEMICAL ADDITIVES

 #3
20240002742
2024-01-04

REMOVAL OF ACID GASES FROM GASEOUS MIXTURES CONTAINING THEM

 #4
20230053826
2023-02-23

PROCESS AND PLANT FOR GAS MIXTURES CONTAINING ACID GAS TREATMENT

 #5
20220314162
2022-10-06

Mercury removal by injection of reagents in gas phase

 #6
20220143547
2022-05-12

REMOVAL OF MERCURY IN A GAS DEHYDRATION PROCESS USING THERMALLY STABLE CHEMICAL ADDITIVES

 #7
20220056361
2022-02-24

Removal of sour gases from gas mixtures containing them

 #8
20210340078
2021-11-04

Integration of carbon dioxide absorption and water electrolysis into methanation

 #9
20210276886
2021-09-09

QUICK RESPONSE, TRANSPORTABLE, STAND-ALONE SYSTEM FOR REMOVING VOLATILE COMPOUNDS FROM CONTAMINATED FLUID STREAMS, AND METHOD OF USE THEREOF

 #10
20210253499
2021-08-19

PROCESS AND SYSTEM TO PURIFY GAS

 #11
20210087075
2021-03-25

Quick response, transportable, stand-alone system for removing volatile compounds from contaminated fluid streams, and method of use thereof

 #12
20210077947
2021-03-18

Method and an apparatus for separating chlorine gas from a gaseous anode outlet stream of an electrochemical reactor

 #13
20200392053
2020-12-17

Integration of carbon dioxide absorption and water electrolysis into methanation

 #14
20200086265
2020-03-19

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

 #15
20190300826
2019-10-03

Chemical compositions and method for degassing of processing equipment

 #16
20190224616
2019-07-25

System for simultaneously removing nitrogen oxides (NOx) and sulfur oxides (SOx) from exhaust gas

 #17
20190083922
2019-03-21

Carbon dioxide absorbent and apparatus of separating and recovering carbon dioxide

 #18
20190001256
2019-01-03

Processes for gas separation by solvent or absorbent

 #19
20180345213
2018-12-06

METHOD FOR TREATING EXHAUST GAS CONTAINING ELEMENTAL FLUORINE

 #20
20180326348
2018-11-15

METHODS AND APPARATUSES FOR GAS SEPARATION BY SOLVENT OR ABSORBENT

 #21
20180272269
2018-09-27

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

 #22
20180264404
2018-09-20

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

 #23
20180257022
2018-09-13

ABSORPTION AGENT AND A METHOD FOR SELECTIVELY REMOVING HYDROGEN SULPHIDE

 #24
20180223204
2018-08-09

Gas separation by vaporized compound

 #25
20180141815
2018-05-24

System and method for containing an emission of sulfur trioxide

 #26
20180100129
2018-04-12

Chemical compositions and method for degassing of processing equipment

 #27
20180028968
2018-02-01

Metal capture in a flue gas using sorbent injection

 #28
20180001255
2018-01-04

Solvent and method for removing acid gases from a gaseous mixture

 #29
20170320008
2017-11-09

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

 #30
20170081603
2017-03-23

Gas separation by vaporized compound

 #31
20170001142
2017-01-05

System for the capture and release of acid gases

 #32
20160375400
2016-12-29

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

 #33
20160271558
2016-09-22

Hybrid solvent formulations for selective HS removal

 #34
20160220947
2016-08-04

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

 #35
20160193563
2016-07-07

Carbon capture solvents and methods for using such solvents

 #36
20160082384
2016-03-24

Reduction of amine emissions from an aqueous amine carbon dioxide capture system using charged colloidal gas aphrons

 #37
20160038872
2016-02-11

Non-aqueous amine scrubbing for removal of carbon dioxide

 #38
20160016112
2016-01-21

Aqueous solutions of amine functionalized ionic compounds for carbon capture processes

 #39
20150367276
2015-12-24

USE OF HYDRAULIC TURBOCHARGER FOR RECOVERING ENERGY FROM HIGH PRESSURE SOLVENTS IN GASIFICATION AND NATURAL GAS APPLICATIONS

 #40
20150336883
2015-11-26

Heavy metal remediation via sulfur-modified bio-oils

 #41
20150298056
2015-10-22

Desulfurization method and device for sulfuric acid production device

 #42
20150290580
2015-10-15

METHOD FOR SELECTIVE ABSORPTION OF HYDROGEN SULFIDE FROM A GASEOUS EFFLUENT COMPRISING CARBON DIOXIDE USING AN AMINE-BASED ABSORBENT SOLUTION COMPRISING A VISCOSIFYING AGENT

 #43
20150166915
2015-06-18

Configurations and methods of flexible CO2 removal

 #44
20150157975
2015-06-11

Absorbent composition for the selective absorption of hydrogen sulfide

 #45
20150139877
2015-05-21

Process for purifying gaseous mixtures containing acidic gases

 #46
20130323087
2013-12-05

Compressor and method for compressing technical gases

 #47
20130302233
2013-11-14

Process for removing mercaptans from a gas stream

 #48
20130245351
2013-09-19

Recovery method and system for delivering extracted BTX from gas streams

 #49
20120321539
2012-12-20

Method for preventing re-emission of mercury from a flue gas desulfurization system

 #50
20120321538
2012-12-20

Gas separation by vaporized compound

 #51
20120308469
2012-12-06

Carbon dioxide-absorbing solution and method of recovering carbon dioxide

 #52
20120308458
2012-12-06

COabsorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethylpiperidine

 #53
20120178864
2012-07-12

Corrosion control in and selenium removal from flue gas wet scrubber systems

 #54
20120177555
2012-07-12

Corrosion control in and selenium removal from flue gas wet scrubber systems

 #55
20120177554
2012-07-12

Corrosion control in and selenium removal from flue gas wet scrubber systems

 #56
20120175554
2012-07-12

Corrosion control in and selenium removal from flue gas wet scrubber systems

 #57
20120171105
2012-07-05

Method for improving total energy demand in a post-combustion carbon capture process with ionic absorbent

 #58
20120171095
2012-07-05

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

 #59
20120171094
2012-07-05

Aqueous solutions of amine functionalized ionic compounds for carbon capture processes

 #60
20120063980
2012-03-15

Alkanolamine COscrubbing process

 #61
20120063979
2012-03-15

High COto amine adsorption capacity COscrubbing processes

 #62
20120063978
2012-03-15

Ionic liquids as amine promoter solvents for removal of carbon dioxide

 #63
20120063977
2012-03-15

Ionic liquids for removal of carbon dioxide

 #64
20120061614
2012-03-15

Non-aqueous amine scrubbing for removal of carbon dioxide

 #65
20120060686
2012-03-15

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

 #66
20120017762
2012-01-26

COabsorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethylpiperidine

 #67
20110296992
2011-12-08

Sulfur compounds for carbon dioxide and sulfur dioxide removal

 #68
20110262326
2011-10-27

Method for preventing re-emission of mercury from a flue gas desulfurization system

 #69
20110224427
2011-09-15

Systems for carbon dioxide and sulfur dioxide removal

 #70
20110223093
2011-09-15

IONIC LIQUID SYSTEMS FOR CARBON DIOXIDE AND SULFUR DIOXIDE REMOVAL

 #71
20100154639
2010-06-24

LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME

 #72
15045201
2018-05-22

Sulfur tolerant hydrophobic ionic liquid solvent