ClassID:

32699

B01J20/3491 - CPC Classification

Classification description:

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof; Processes for preparing, regenerating, or reactivating; Regenerating or reactivating by pressure treatment

Recent Application in this class:
#1
20260131307
2026-05-14

Bi-Metallic Pillared-Layered Coordination Polymers for Carbon Dioxide Removal

#2
20250296070
2025-09-25

ACID GAS CAPTURE THROUGH METAL-LIGAND INSERTION IN POROUS MATERIALS AT ELEVATED TEMPERATURES

#3
20250270101
2025-08-28

Catalyst-Sorbent Structure for Ammonia Synthesis And Sorption and Method of Ammonia Production

#4
20250256265
2025-08-14

EXTRACTION MEDIUMS AND METHODS FOR SELECTIVE REMOVAL, CONCENTRATION, AND RECOVERY OF PFAS WITH FLUOROUS BIPHASIC AND MULTIPHASIC SYSTEMS AND RELATED METHODS

#5
20250205639
2025-06-26

CARBON DIOXIDE SEPARATOR, AND METHOD FOR SEPARATING OR RECOVERING CARBON DIOXIDE

#6
20250153144
2025-05-15

RESIDUE EXTRACTION FROM A SORBENT VIA (TRANS-)ESTERIFICATION

#7
20250153087
2025-05-15

HYDROGEN GAS SUPPLY APPARATUS AND HYDROGEN GAS SUPPLY METHOD

#8
20250128239
2025-04-24

SYSTEMS AND METHODS FOR REGENERATING A SORBENT

#9
20250066194
2025-02-27

SYSTEMS AND METHODS FOR HYDROGEN PLANT DRYER REGENERATION

#10
20240409423
2024-12-12

CATALYST-SORBENT STRUCTURE FOR AMMONIA SYNTHESIS AND SORPTION AND METHOD OF AMMONIA PRODUCTION

#11
20240399337
2024-12-05

SORBENTS FOR TRACE CONTAMINATION CONTROL SYSTEMS

#12
20240316489
2024-09-26

Adsorbent Materials And Methods of Adsorbing Carbon Dioxide

#13
20240307852
2024-09-19

DESORPTION APPARATUS

#14
20240278207
2024-08-22

A SIMPLE METAL-ORGANIC FRAMEWORK FOR THE SELECTIVE ADSORPTION OF CARBON DIOXIDE FROM FLUE GAS

#15
20240207819
2024-06-27

Volatile Organic Compound Condensing System and Method for Enhancing Drying Efficiency of Filter Using Condensation Heat of VOC

#16
20240082811
2024-03-14

Plasma Activated Biochar Filter

#17
20240042415
2024-02-08

Bi-Metallic Pillared-Layered Coordination Polymers for Carbon Dioxide Removal

#18
20240024853
2024-01-25

PROCESSES FOR REGENERATING SORBENTS, AND ASSOCIATED SYSTEMS

#19
20240024850
2024-01-25

SUPPORT-FREE ADSORBENTS FOR CO2 CAPTURE FROM AIR

#20
20230330624
2023-10-19

USE OF CARBOXYLATE COMPOUND AS ABSORBENT FOR CAPTURING CARBON DIOXIDE

#21
20230285932
2023-09-14

HYBRID ULTRAMICROPOROUS MATERIALS FOR WATER CAPTURE AND RELEASE

#22
20230249121
2023-08-10

Adsorbent materials and methods of adsorbing carbon dioxide

#23
20230249120
2023-08-10

Adsorbent materials and methods of adsorbing carbon dioxide

#24
20230182073
2023-06-15

CO2 CAPTURE USING CARBONATE SORBENTS

#25
20230173426
2023-06-08

Amine-appended metal-organic frameworks exhibiting a new adsorption mechanism for carbon dioxide separations

#26
20230147797
2023-05-11

METHOD FOR RECYCLING WATER ABSORBENT RESIN

#27
20230014093
2023-01-19

Method for solvent recovery and activated carbon regeneration

#28
20220401873
2022-12-22

PROCESS FOR CONCENTRATING CO2 FROM AIR AND DILUTE CO2 STREAMS USING MOF BASED PHYSISORBENTS

#29
20220280911
2022-09-08

INCREASING HYDROTHERMAL STABILITY OF AN ADSORBENT COMPRISING A SMALL PORE ZEOLITE IN A SWING ADSORPTION PROCESS

#30
20220161183
2022-05-26

Hydrogen gas supply apparatus and hydrogen gas supply method

#31
20220016598
2022-01-20

Support-free adsorbents for COcapture from air

#32
20210370267
2021-12-02

Overcoming two carbon dioxide adsorption steps in diamine-appended metal organic frameworks

#33
20210236983
2021-08-05

Sorbent system for removing ammonia and organic compounds from a gaseous environment

#34
20210197172
2021-07-01

REGENERATIVE ADSORBENTS OF MODIFIED AMINES ON SOLID SUPPORTS

#35
20210138438
2021-05-13

Processes for regenerating sorbents, and associated systems

#36
20210129071
2021-05-06

Amine-appended metal-organic frameworks exhibiting a new adsorption mechanism for carbon dioxide separations

#37
20210086128
2021-03-25

Metal organic framework absorbent platforms for removal of CO2 and H2S from natural gas

#38
20200338495
2020-10-29

Adsorbent materials and methods of adsorbing carbon dioxide

#39
20200290013
2020-09-17

Compositions for carbon dioxide separation using steam regeneration, and method for preparing same

#40
20200254423
2020-08-13

Method for solvent recovery and activated carbon regeneration

#41
20200054983
2020-02-20

Methods and systems for performing chemical separations

#42
20200009533
2020-01-09

Systems, devices and methods for regeneration of a sorbent

#43
20190291075
2019-09-26

Organic-inorganic hybrid nanoporous material containing intramolecular acid anhydride functional group, composition for adsorption comprising the same, and use thereof for separation of hydrocarbon gas mixture

#44
20190282949
2019-09-19

Metal organic framework absorbent platforms for removal of COand HS from natural gas

#45
20190168185
2019-06-06

Regenerative adsorbents of modified amines on solid supports

#46
20190126237
2019-05-02

Polyamine-appended metal-organic frameworks for carbon dioxide separations

#47
20190091652
2019-03-28

RHO adsorbent compositions, methods of making and using them

#48
20190076820
2019-03-14

Method of depleting a volatile component in a mixture using a sorbent crosslinked elastomer and apparatus for practicing the method

#49
20190060867
2019-02-28

Overcoming two carbon dioxide adsorption steps in diamine-appended metal-organic frameworks

#50
20190054446
2019-02-21

Selective, adsorbate-induced spin state changes in transition metal-based metal-organic frameworks

#51
20180297010
2018-10-18

Adsorbents with stepped isotherms for gas storage applications

#52
20180178158
2018-06-28

Core-in-shell composite adsorbent for use in PSA prepurifiers

#53
20180169561
2018-06-21

METHODS AND SYSTEMS FOR PERFORMING CHEMICAL SEPARATIONS

#54
20180104668
2018-04-19

Storing molecule within porous materials with a surface molecular barrier layer

#55
20180093218
2018-04-05

Metal organic framework absorbent platforms for removal of CO2 and H2S from natural gas

#56
20180079652
2018-03-22

METHOD FOR REDUCING FORCES (HOT FILL/RE-FILL)

#57
20180066014
2018-03-08

Molecular gelators for containing oil spillage

#58
20180043328
2018-02-15

Regenerable sorbent for carbon dioxide removal

#59
20170296961
2017-10-19

Method and device for the reversible adsorption of carbon dioxide

#60
20170274171
2017-09-28

Oxygen concentration device

#61
20170225144
2017-08-10

Alumina-based adsorbent containing sodium and doped with an alkali element for capturing acidic molecules

#62
20170216759
2017-08-03

Process for carbon dioxide recovery from a gas stream containing carbon dioxide and hydrocarbons

#63
20170136405
2017-05-18

Adsorbent materials and methods of adsorbing carbon dioxide

#64
20170120184
2017-05-04

METHOD FOR CLEANING A WASTE GAS FROM A METAL REDUCTION PROCESS

#65
20170100705
2017-04-13

Molecular sieve depressurization system utilizing a low pressure inductor type vapor condenser

#66
20170095791
2017-04-06

Oxygen adsorbent, oxygen manufacturing equipment using the oxygen adsorbent and oxygen manufacturing method

#67
20170066988
2017-03-09

CO-CURRENT REGENERATION PROCESS FOR ADSORPTION MEDIA USED FOR RECOVERING CONDENSABLE COMPONENTS FROM A GAS STREAM

#68
20160288041
2016-10-06

Polymers functionalized with brønsted acid groups

#69
20160272908
2016-09-22

Gas purification method

#70
20160199810
2016-07-14

Regenerative adsorbents of modified amines on solid supports

#71
20160159712
2016-06-09

1, 3-butadiene separating material, and separation method using said separating material

#72
20160136613
2016-05-19

Porous carbon materials for CO2 separation in natural gas

#73
20160016866
2016-01-21

Methane gas concentration method

#74
20160001260
2016-01-07

Porous carbon materials for CO2 separation in natural gas

#75
20150336047
2015-11-26

Method and apparatus for removing water from compressed air

#76
20150307680
2015-10-29

Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof

#77
20150307661
2015-10-29

Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof

#78
20150306535
2015-10-29

Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof

#79
20150258489
2015-09-17

Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbon

#80
20150190777
2015-07-09

Regenerable sorbent for carbon dioxide removal

#81
20150151239
2015-06-04

Gas separation device and gas separation method

#82
20150110696
2015-04-23

Reversible sorbent for warm CO2 capture by pressure swing adsorption

#83
20150056116
2015-02-26

Composites for carbon dioxide capture

#84
20140274659
2014-09-18

METHODS, MATERIALS, AND APPARATUSES ASSOCIATED WITH ADSORBING HYDROCARBON GAS MIXTURES

#85
20140251135
2014-09-11

Carbon dioxide adsorbent including zeolite and methods for preparing the same

#86
20140190436
2014-07-10

Metal complex and adsorbent material, storage material, and separating material comprising same

#87
20140161699
2014-06-12

Method and system for anhydrous ammonia recovery

#88
20140013942
2014-01-16

Carbon sorbent for reversible ammonia sorption

#89
20130121904
2013-05-16

Process for capturing sulphur impurities using specific retaining materials

#90
20120312164
2012-12-13

Metal complex, and adsorbent, occlusion material and separator material made from same

#91
20120312163
2012-12-13

Temperature swing adsorption process for the separation of target species from a gas mixture

#92
20120308462
2012-12-06

INERT GAS RECOVERY SYSTEM AND METHOD

#93
20120308456
2012-12-06

Selective sulfur removal process

#94
20120302807
2012-11-29

METHANE REJECTION AND ETHYLENE RECOVERY

#95
20120222555
2012-09-06

Gas purification process utilizing engineered small particle adsorbents

#96
20120222554
2012-09-06

Rapid temperature swing adsorption contactors for gas separation

#97
20120222553
2012-09-06

Pressure-temperature swing adsorption process

#98
20120222552
2012-09-06

Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams

#99
20120222551
2012-09-06

Swing adsorption processes utilizing controlled adsorption fronts

#100
20120211427
2012-08-23

Regenerative purification of a pretreated biomass stream

#101
20120164043
2012-06-28

Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof

#102
20120024324
2012-02-02

Regeneration of purification beds with a jet compressor in an open loop cycle

#103
20110293509
2011-12-01

Water gas shift process

#104
20110286902
2011-11-24

Carbonation calcination reaction process for COcapture using a highly regenerable sorbent

#105
20110277767
2011-11-17

METAL ORGANIC FRAMEWORKS (MOFS) FOR AIR PURIFICATION

#106
20100300288
2010-12-02

Guard layers for rapid cycle pressure swing adsorption devices

#107
20100170394
2010-07-08

Silicate-resistant desulfurization sorbent

#108
20100043635
2010-02-25

PSA method using a composite adsorption bed comprising an adsorbent and PCM agglomerates

#109
20090032023
2009-02-05

CLOSED REVERSIBLE BREATHING APPARATUS HAVING A METAL ORGANIC FRAMEWORK

#110
20080318763
2008-12-25

SYSTEM FOR PRODUCTION AND PURIFICATION OF BIOFUEL

#111
20080293976
2008-11-27

Nano-structure supported solid regenerative polyamine and polyamine polyol absorbents for the separation of carbon dioxide from gas mixtures including the air

#112
20070037702
2007-02-15

Co-formed base-treated aluminas for water and COremoval

#113
20060225569
2006-10-12

Control scheme for hybrid PSA/TSA systems

#114
20060183628
2006-08-17

Method of regenerating carbon dioxide gas absorbent

#115
20060144227
2006-07-06

Adsorbents, methods of preparation, and methods of use thereof

#116
20060081499
2006-04-20

Desulfurization and novel sorbent for same

#117
17854307
2025-09-23

Separation of krypton gas from xenon gas using natural clinoptilolite