ClassID:

30304

B01D2252/20 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260084093
2026-03-26

Methods for Producing a Fertilizer From a Gas Stream Comprising a Nitrogen-Based Compound

#2
20260042036
2026-02-12

METHOD FOR SELECTIVELY EXTRACTING A SALT TO BE EXTRACTED FROM SALTWATER OR BRINE

#3
20250276774
2025-09-04

MULTI-MODAL AIR PURIFICATION SYSTEM WITH FLEXIBLE MANIFOLD

#4
20250263632
2025-08-21

PROCESS FOR SOLVENT RECOVERY IN VEGETABLE OIL EXTRACTION

#5
20250115534
2025-04-10

ETHANE RECOVERY PROCESS AND ALKYLATION PROCESS WITH ETHANE RECOVERY

#6
20250073675
2025-03-06

ARTICLES COMPOSED OF ANHYDROUS POLYELECTROLYTE COMPLEXES AND THEIR USE AS DRYING AGENTS

#7
20240399288
2024-12-05

TECHNOLOGICAL LINE FOR THE SEPARATION OF METHANE FROM A MIXTURE OF GASES DISCHARGED FROM A COAL MINE AND A METHOD FOR THE SEPARATION OF METHANE FROM A MIXTURE OF GASES DISCHARGED FROM A HARD COAL MINE

#8
20240335789
2024-10-10

EMULSION-TYPE DEHUMIDIFYING COMPOSITION FOR REMOVING MOISTURE AND METHOD FOR PRODUCING THE SAME

#9
20240286979
2024-08-29

VAPOR RECOVERY SYSTEM WITH COUNTERCURRENT AND CO-CURRENT ABSORBANT FLOW

#10
20240269606
2024-08-15

SYSTEMS AND METHODS FOR SEPARATING GASES

#11
20240226800
2024-07-11

STRATIFIED HYDROPHILIC MEDIA FOR LIQUID/GAS CONTACTORS

#12
20240189805
2024-06-13

CATALYSTS AND METHODS FOR THE HYDRATION AND ABSORPTION OF CARBON DIOXIDE

#13
20240181379
2024-06-06

Pollutant Capturer and Mobilizer

#14
20240131468
2024-04-25

STRATIFIED HYDROPHILIC MEDIA FOR LIQUID/GAS CONTACTORS

#15
20240050873
2024-02-15

SYSTEM AND METHOD FOR IMPROVING WATER QUALITY OF DEHYDRATION TOWER IN PURIFIED TEREPHTHALIC ACID DEVICE

#16
20230056260
2023-02-23

ORGANIC AMMONIUM COMPOSITIONS AND METHODS OF THEIR USE AND MAKING

#17
20220347619
2022-11-03

Pollutant capturer and mobilizer

#18
20220288531
2022-09-15

Enzymatic phase transfer solvent for CO/HS capture

#19
20220168707
2022-06-02

ARTICLES COMPOSED OF ANHYDROUS POLYELECTROLYTE COMPLEXES AND THEIR USE AS DRYING AGENTS

#20
20210370229
2021-12-02

Filtering product

#21
20210309582
2021-10-07

Organic ammonium compositions and methods of their use and making

#22
20210237047
2021-08-05

Catalytic reactor system treatment processes

#23
20210205754
2021-07-08

REGENERABLE BATTERY FOR ELECTRICITY GENERATION FROM GAS SEPARATION PROCESS OR CAPTURED CARBON DIOXIDE

#24
20210155861
2021-05-27

Removal of monocyclic aromatic compounds (BTEX) from a gas

#25
20210155563
2021-05-27

Production and isolation of monocyclic aromatic compounds from a gasification gas

#26
20210121820
2021-04-29

Processes for Removing a Nitrogen-Based Compound from a Gas or Liquid Stream to Produce a Nitrogen-Based Product

#27
20210001267
2021-01-07

Systems and methods for separating gases

#28
20200370268
2020-11-26

Below grade, blind side, dual waterproofing membrane assembly incorporating a bentonite sheet waterproofing membrane, and a sheet membrane with adhesive to fully bond to concrete/shotcrete, and a method of making, and using same

#29
20200368676
2020-11-26

Regenerable battery for electricity generation from gas separation process or captured carbon dioxide

#30
20200329717
2020-10-22

Air purification composition with antiviral and bactericidal functions

#31
20200324242
2020-10-15

Smoke capturing system and method

#32
20200318015
2020-10-08

Process for LPG recovery

#33
20200289973
2020-09-17

Pollutant capturer and mobilizer

#34
20200188840
2020-06-18

Systems and methods for separating gases

#35
20200024526
2020-01-23

Functionalized aldehydes as HS and mercaptan scavengers

#36
20190366263
2019-12-05

Method and apparatus for purification and treatment of air

#37
20190224618
2019-07-25

High hydrocarbon recovery membrane plus solvent based system

#38
20190143260
2019-05-16

Systems and methods for separating gases

#39
20180216013
2018-08-02

Functionalized aldehydes as HS and mercaptan scavengers

#40
20180216011
2018-08-02

Process for LPG recovery

#41
20180179460
2018-06-28

Configurations and methods of flexible CO2 removal

#42
20180118640
2018-05-03

METHOD FOR PURIFYING METHANE-COMPRISING GAS

#43
20180072640
2018-03-15

Ethane recovery process and alkylation process with ethane recovery

#44
20180043296
2018-02-15

Processes for removing a nitrogen-based compound from a gas or liquid stream to produce a nitrogen-based product

#45
20170333830
2017-11-23

Method for waste gas dedusting and dedusting agent

#46
20170306247
2017-10-26

WATER-BASED FORMULATION OF H2S/MERCAPTAN SCAVENGER FOR FLUIDS IN OILFIELD AND REFINERY APPLICATIONS

#47
20170173517
2017-06-22

APPARATUS AND METHOD FOR CAPTURING TARGET COMPONENT FROM GAS

#48
20170106333
2017-04-20

Method and apparatus for purification and treatment of air

#49
20170014758
2017-01-19

Conversion of gas and treatment of a solution

#50
20170001142
2017-01-05

System for the capture and release of acid gases

#51
20160339355
2016-11-24

Oil scrubbing column

#52
20160332108
2016-11-17

Process, method, and system for removing mercury from fluids

#53
20160288045
2016-10-06

SCRUBBERS

#54
20160263519
2016-09-15

Process for capturing sulfur dioxide from a gas stream

#55
20160229770
2016-08-11

Process for the purification of a cracking gas stream in an oil scrub column

#56
20160175763
2016-06-23

COMPOSITIONS COMPRISING SOIL ADSORPTION POLYMERS FOR REDUCING PARTICULATES IN THE AIR

#57
20160115100
2016-04-28

Methods and apparatuses for reforming of hydrocarbons including recovery of products using an absorption zone and a pressure swing adsorption zone

#58
20150166915
2015-06-18

Configurations and methods of flexible CO2 removal

#59
20140326141
2014-11-06

Process for removing hydrocarbons and noxious gasses from reactors and media-packed equipment

#60
20130255503
2013-10-03

System and method for removing volatile vapors from containers

#61
20130240409
2013-09-19

Additive composition and method for scavenging hydrogen sulfide in hydrocarbon streams

#62
20130058888
2013-03-07

Compositions Comprising Soil Adsorption Polymers For Reducing Particulates In The Air

#63
20130008800
2013-01-10

Carbon dioxide capture and conversion to organic products

#64
20120219480
2012-08-30

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

#65
20120171095
2012-07-05

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

#66
20120167452
2012-07-05

Absorption and quench method for biomass pyrolysis product

#67
20120103190
2012-05-03

Method and system for treating Fishcher-Tropsch reactor tail gas

#68
20110315921
2011-12-29

Water-based formulation of H2S/mercaptan scavenger for fluids in oilfield and refinery applications

#69
20110265270
2011-11-03

Odorless foam mattress assembly

#70
20110120184
2011-05-26

Purification of a gas stream

#71
20110067994
2011-03-24

System and method for removing volatile vapors from containers

#72
16444108
2019-10-01

System and method to combine a filter system with a freeze dryer to filter contamination of a vacuum pump