ClassID:

32670

B01J20/324 - 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; Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer; Inorganic material layers containing free carbon, e.g. activated carbon

Recent Application in this class:
#1
20260131310
2026-05-14

MONOLITHIC SUBSTRATES

#2
20260091367
2026-04-02

DEHUMIDIFYING HYDROGEL WITH NANOMATERIALS

#3
20260070036
2026-03-12

EVAPORATIVE EMISSION CONTROL ARTICLES INCLUDING ACTIVATED CARBON

#4
20260054248
2026-02-26

WATER PURIFICATION METHOD USING BIOCHAR LAYERED DOUBLE HYDROXIDE COMPOSITE

#5
20250387737
2025-12-25

SORBENT INDOOR AIR PURIFIER

#6
20250352978
2025-11-20

CARBON-CARBON COMPOSITE SORBENT FORMULATIONS FOR CARBON DIOXIDE ADSORPTION, AND RELATED METHODS

#7
20250332461
2025-10-30

COATING FOR DECONTAMINATION OF TOXIC CHEMICAL COMPOUNDS

#8
20250325962
2025-10-23

Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture

#9
20250320135
2025-10-16

METHOD FOR SEPARATING NONPOLAR HYDROCARBON FROM WATER

#10
20250223408
2025-07-10

POROUS HYBRID MATERIAL, METHOD FOR THE PRODUCTION THEREOF AND THE USE THEREOF AS SORBENT

#11
20250114767
2025-04-10

ADSORBENT MATERIAL

#12
20240399335
2024-12-05

GAS-PHASE HAZARDOUS SUBSTANCE TREATMENT MEMBER AND PREPARATION METHOD, ENERGY STORAGE DEVICE AND ELECTRICAL EQUIPMENT

#13
20240390877
2024-11-28

POROUS MATERIALS WITH CONTROLLED POROSITY; PROCESS FOR THE PREPARATION THEREOF; AND USE THEREOF FOR CHROMATOGRAPHIC SEPARATIONS

#14
20240326009
2024-10-03

BIOCHAR-SUPPORTED LAYERED DOUBLE HYDROXIDE-CELLULOSE NANOCRYSTALS COMPOSITE FOR DYE REMOVAL

#15
20240316505
2024-09-26

APPARATUSES, METHODS, AND SYSTEMS FOR FABRICATING GRAPHENE MEMBRANES

#16
20240226808
2024-07-11

DETACHABLE CHEMICAL FILTERS

#17
20240149242
2024-05-09

POLYMER COMPOSITE ARTICLE HAVING RETAINED SOLIDS AND METHODS OF FORMATION

#18
20240139705
2024-05-02

DIRECT AIR CAPTURE CO2 REMOVAL SYSTEM AND PROCESS

#19
20240116025
2024-04-11

HYBRID MATERIAL FOR CHROMATOGRAPHIC SEPARATIONS COMPRISING A SUPERFICIALLY POROUS CORE AND A SURROUNDING MATERIAL

#20
20240075458
2024-03-07

COPPER AND NITROGEN TREATED SORBENT AND METHOD FOR MAKING SAME

#21
20240042418
2024-02-08

ANTIBIOLOGICAL SORBENT AND METHOD OF MANUFACTURE THEREOF

#22
20230294073
2023-09-21

SUPERFICIALLY POROUS MATERIALS COMPRISING A COATED CORE HAVING NARROW PARTICLE SIZE DISTRIBUTION; PROCESS FOR THE PREPARATION THEREOF; AND USE THEREOF FOR CHROMATOGRAPHIC SEPARATIONS

#23
20230249991
2023-08-10

Method for Separating Nonpolar Compounds from Aqueous Solutions

#24
20230249137
2023-08-10

FILTRATION APPARATUS CONTAINING ALKYLATED GRAPHENE OXIDE MEMBRANE

#25
20230249124
2023-08-10

Adsorption device for compressed gas

#26
20230243321
2023-08-03

EVAPORATIVE EMISSION CONTROL ARTICLES INCLUDING ACTIVATED CARBON

#27
20230234001
2023-07-27

OIL AND WATER SEPARATION MEMBRANE

#28
20230202877
2023-06-29

METHOD FOR MAKING A POLYURETHANE COMPOSITE MATERIAL

#29
20230048134
2023-02-16

Magnetically-controlled graphene-based micro-/nano-motor and fabrication method thereof

#30
20230018113
2023-01-19

SORBENT INDOOR AIR PURIFIER

#31
20220372379
2022-11-24

Contaminant removal with catalyst beds for LNG processing

#32
20220362738
2022-11-17

Adsorbent material

#33
20220347621
2022-11-03

SYSTEMS AND METHODS FOR REMOVING ODOR FROM A FLUID STREAM

#34
20220280918
2022-09-08

Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture

#35
20220212148
2022-07-07

Apparatuses, methods, and systems for fabricating graphene membranes

#36
20220184547
2022-06-16

METHOD AND ARRANGEMENT FOR PROCESSING A GAS MIXTURE

#37
20220143573
2022-05-12

High mechanical strength sorbent product, system, and method for controlling multiple pollutants from process gas

#38
20220118422
2022-04-21

Oleophilic hydrophobic magnetic porous materials

#39
20220062862
2022-03-03

Copper and nitrogen treated sorbent and method for making same

#40
20220059839
2022-02-24

Nanocomposites and related methods

#41
20220032264
2022-02-03

SOLID SUPPORT COMPRISING CARBON NANOTUBES, SYSTEMS AND METHODS TO PRODUCE IT AND TO ADSORBE ORGANIC SUBSTANCES ON IT

#42
20210387122
2021-12-16

CATALYST-ADSORBENT FILTER FOR AIR PURIFICATION

#43
20210316272
2021-10-14

Method for making a water treatment adsorbent filter

#44
20210252462
2021-08-19

Compositions for use in the simultaneous removal of endotoxins and uremic solutes during the treatment of patients

#45
20210188649
2021-06-24

CARBON-BASED POROUS MATERIAL AND PREPARATION METHOD AND USE THEREOF

#46
20210146332
2021-05-20

Graphene coated glass material and uses thereof

#47
20210139348
2021-05-13

Activated carbon-iron/cerium oxide nanocomposite suitable for dye removal

#48
20210108189
2021-04-15

PROCESSES FOR PREPARING SILICA-CARBON ALLOTROPE COMPOSITE MATERIALS AND USING SAME

#49
20210106945
2021-04-15

Adsorption device for compressed gas

#50
20210077943
2021-03-18

Active carbon filter for a carbon canister and a method for producing the same

#51
20210046417
2021-02-18

Surface-modified carbon and sorbents for improved efficiency in removal of gaseous contaminants

#52
20210039965
2021-02-11

Coated granular water filtration media

#53
20210039066
2021-02-11

Process of making substrate with activated carbon

#54
20210031171
2021-02-04

Superior core-in-shell component composite adsorbents for VSA/VPSA/PSA systems

#55
20210027907
2021-01-28

Boron nitride polymer composite foam derived from emulsions stabilized by boron nitride kinetic trapping

#56
20210024378
2021-01-28

Graphene reinforced polystyrene composite for separation of nonpolar compounds from water

#57
20200368724
2020-11-26

Superior carbon adsorbents

#58
20200290015
2020-09-17

Carbon nanofiber grafted polyurethane composite for separation of nonpolar components from water

#59
20200206718
2020-07-02

ODOR ABSORBING PAINT AND PREPARATION METHOD AND USE THEREOF

#60
20200179904
2020-06-11

Spalling composite particles and methods of using them

#61
20200061576
2020-02-27

High mechanical strength sorbent product, system, and method for controlling multiple pollutants from process gas

#62
20200018265
2020-01-16

Evaporative emission control articles including activated carbon

#63
20200009532
2020-01-09

Activated carbon sorbent including nitrogen and methods of using the same

#64
20200003716
2020-01-02

Dispersion liquid, preparation method thereof, gas sensor, and method for manufacturing same

#65
20190358576
2019-11-28

Active carbon filter for a carbon canister and a method for producing the same

#66
20190234053
2019-08-01

Sorption-based atmospheric water harvesting device

#67
20190150396
2019-05-23

Pet litter having an activated carbon layer and methods of making the litter

#68
20190143303
2019-05-16

Adsorbent composition, method of making the same, and uses thereof

#69
20190127227
2019-05-02

Carbon-based porous material and preparation method and use thereof

#70
20190091657
2019-03-28

Hybrid material for chromatographic separations comprising a superficially porous core and a surrounding material

#71
20190046953
2019-02-14

Synthesis of a Novel Ordered Mesoporous Carbon Using COK-19 Template for Water and Wastewater Treatment

#72
20190015815
2019-01-17

SUPERFICIALLY POROUS MATERIALS COMPRISING A COATED CORE HAVING NARROW PARTICLE SIZE DISTRIBUTION; PROCESS FOR THE PREPARATION THEREOF; AND USE THEREOF FOR CHROMATOGRAPHIC SEPARATIONS

#73
20180356165
2018-12-13

Heat exchanger and method for use thereof

#74
20180326396
2018-11-15

Emissions control system including capability to clean and/or rejuvenate carbon-based sorbents and method of use

#75
20180318755
2018-11-08

Separation of a target substance from a fluid or mixture using encapsulated sorbents

#76
20180280927
2018-10-04

Carbon molecular sieve adsorbents prepared from activated carbon and useful for propylene-propane separation

#77
20180243686
2018-08-30

Adsorption device for compressed gas

#78
20180228209
2018-08-16

Graphene adsorbing material, preparation method therefor and application thereof, and cigarette filter tip and cigarette

#79
20180207613
2018-07-26

Textile protective material of a new type and method for producing same

#80
20180171604
2018-06-21

Sorption-based atmospheric water harvesting device

#81
20180126357
2018-05-10

METHOD FOR TAILORING ELECTRICAL RESISTIVITY OF MOLECULAR SIEVE ADSORBENTS FOR RESISTIVE HEATING APPLICATION

#82
20180117522
2018-05-03

Surface-Modified Carbon and Sorbents for Improved Efficiency in Removal of Gaseous Contaminants

#83
20180106508
2018-04-19

Salt Coated With Nanoparticles

#84
20180043329
2018-02-15

High mechanical strength sorbent product, system, and method for controlling multiple pollutants from process gas

#85
20180008958
2018-01-11

Polymeric amine based carbon dioxide adsorbents

#86
20170369333
2017-12-28

Graphene oxide/magnesium oxide nanocomposites as superior sorbents for methylene blue removal from aqueous solutions

#87
20170358812
2017-12-14

Filtering device, in particular for the air to be supplied to a fuel cell

#88
20170339913
2017-11-30

Composite absorbent particles

#89
20170320015
2017-11-09

Continuous fuel flow enhancer device for internal combustion engines

#90
20170266670
2017-09-21

LIQUID PURIFICATION USING MAGNETIC NANOPARTICLES

#91
20170252704
2017-09-07

LARGE SCALE MANUFACTURING OF NANOSTRUCTURED MATERIAL

#92
20170239644
2017-08-24

Activated carbon sorbent including nitrogen and methods of using the same

#93
20170225147
2017-08-10

Synthesis of ordered microporous activated carbons by chemical vapor deposition

#94
20170225146
2017-08-10

SYNTHESIS OF ORDERED MICROPOROUS ACTIVATED CARBONS BY CHEMICAL VAPOR DEPOSITION

#95
20170178762
2017-06-22

Graphene/graphite polymer composite foam derived from emulsions stabilized by graphene kinetic trapping

#96
20170173557
2017-06-22

Sorbent comprising carbon and nitrogen and methods of using the same

#97
20170096657
2017-04-06

PROCESSES FOR PREPARING SILICA-CARBON ALLOTROPE COMPOSITE MATERIALS AND USING SAME

#98
20170077537
2017-03-16

Filtering device, in particular for the air to be supplied to a fuel cell

#99
20170021296
2017-01-26

Filter and method for producing same

#100
20170014780
2017-01-19

Porous carbon films

#101
20160338313
2016-11-24

Pet pad and manufacturing method of pet pad

#102
20160251559
2016-09-01

Salt coated with nanoparticles

#103
20160113231
2016-04-28

Composite absorbent particles

#104
20160038915
2016-02-11

Method of making a honeycomb having channels containing a porous adsorbent

#105
20150311554
2015-10-29

Filtering device, in particular for the air to be supplied to a fuel cell

#106
20150174553
2015-06-25

POROUS COMPOSITE PARTICULATE MATERIALS, METHODS OF MAKING AND USING SAME, AND RELATED APPARATUSES

#107
20150098878
2015-04-09

Carbon nanocomposite sorbent and methods of using the same for separation of one or more materials from a gas stream

#108
20150051062
2015-02-19

Method for preparing composite sulfur-modified powdered activated carbon

#109
20140335589
2014-11-13

Separation of a target substance from a fluid or mixture using encapsulated sorbents

#110
20140264144
2014-09-18

Method for preparation of various carbon allotropes based magnetic adsorbents with high magnetization

#111
20140255279
2014-09-11

Activated carbon sorbent including nitrogen and methods of using the same

#112
20140194658
2014-07-10

Class of tunable gas storage and sensor materials

#113
20140170311
2014-06-19

Thin layer chromatography plates and related methods of manufacture including priming prior to infiltration with stationary phase and/or precursor thereof

#114
20140053582
2014-02-27

Salt coated with nanoparticles

#115
20140037944
2014-02-06

Covalent organic framework films, and methods of making and uses of same

#116
20140013957
2014-01-16

Filtering device, in particular for the air to be supplied to a fuel cell

#117
20130283847
2013-10-31

Adsorption cooling system using carbon aerogel

#118
20130280156
2013-10-24

Carbon nanocomposite sorbent and methods of using the same for separation of one or more materials from a gas stream

#119
20130203589
2013-08-08

Carbon composite materials for separations

#120
20130199982
2013-08-08

Thin layer chromatography plates and related methods of manufacture including priming prior to infiltration with stationary phase and/or precursor thereof

#121
20130157846
2013-06-20

Carbon coated silica particles and methods of making same

#122
20130116111
2013-05-09

Molecularly imprinted carbon

#123
20130071639
2013-03-21

Covering and method for trapping of emissions from surfaces

#124
20130062274
2013-03-14

Compositions and methods for detecting food-borne pathogens

#125
20130000654
2013-01-03

FILTER

#126
20120308821
2012-12-06

Buoyant Multifunctional Composite Material For Effective Removal Of Organic Compounds In Water And Wastewater

#127
20120288958
2012-11-15

Carbon Laminated Materials for Sample Preparation

#128
20120248122
2012-10-04

CARTRIDGE INSTALLED IN A PRESSURED TANK TO IMPROVE THE STORAGE CAPACITY OF METHANE OR HYDROGEN GAS

#129
20120214219
2012-08-23

Separation of a target substance from a fluid or mixture using encapsulated sorbents

#130
20120048807
2012-03-01

Adsorbent Product for the Removal of Hydrocarbon Pollutants, and Method for Removing Hydrocarbon Pollution, In Particular at the Surface of the Water, Using Said Product

#131
20120048110
2012-03-01

Organic antioxidant based filtration apparatus and method

#132
20120018382
2012-01-26

Liquid purification using magnetic nanoparticles

#133
20110294660
2011-12-01

REUSABLE HEAVY METAL REMOVER AND FABRICATION METHOD THEREOF

#134
20110247495
2011-10-13

Gas Adsorber For Use In Gas Storager

#135
20110183835
2011-07-28

ADSORBER ELEMENT AND METHOD FOR PRODUCING AN ADSORBER ELEMENT

#136
20110168018
2011-07-14

HYBRID NANO SORBENT

#137
20110152074
2011-06-23

Method of making a granular media water filter

#138
20110017493
2011-01-27

Carbon microbeads with hierarchical structure

#139
20100316538
2010-12-16

Polymeric trap with adsorbent

#140
20100307978
2010-12-09

Method for contaminant removal from aqueous solution

#141
20100284903
2010-11-11

New Class of Tunable Gas Storage and Sensor Materials

#142
20100263533
2010-10-21

Methods of making and using activated carbon-containing coated substrates and the products made therefrom

#143
20100213131
2010-08-26

Porous composite particulate materials, methods of making and using same, and related apparatuses

#144
20100212506
2010-08-26

Filter element and filter unit

#145
20100199841
2010-08-12

Composite Comprising An Inorganic Substrate With A Coating Comprising Activated Carbon And A Metal Sulfide

#146
20100162888
2010-07-01

MAT-SHAPED FOAM MATERIAL FOR CLEANING AND/OR FILTERING AIR

#147
20100129813
2010-05-27

Compositions and methods for detecting food-borne pathogens

#148
20100098877
2010-04-22

Large scale manufacturing of nanostructured material

#149
20100093070
2010-04-15

TEST TUBE FOR PERFORMING SAFE AND ACCURATE URINE ANALYSES IN PATIENTS BEING SUBJECTED TO AN ANTIBIOTIC THERAPY

#150
20100051558
2010-03-04

Naphthenic acid removal process

#151
20090297885
2009-12-03

Composite Comprising An Inorganic Substrate With A Coating Comprising Activated Carbon And Metal Sulfide

#152
20090277839
2009-11-12

Porous composite particulate materials, methods of making and using same, and related apparatuses

#153
20090217526
2009-09-03

Method for producing an adsorption heat exchanger

#154
20090075060
2009-03-19

ADSORPTIVE COATING FORMULATION

#155
20090035460
2009-02-05

Method of making a granular media water filter

#156
20090011174
2009-01-08

Sorptive Textile Composite

#157
20080241505
2008-10-02

FUNCTIONAL PARTICLE CARRIED SHEET AND MANUFACTURING METHOD THEREOF

#158
20080236389
2008-10-02

Impregnated Monoliths

#159
20080226886
2008-09-18

Odour-absorbing sheet-like structure, method for its production and use of zinc ricinoleate in finely divided solid form on odour-absorbing sheet-like structures

#160
20080184939
2008-08-07

Composite Absorbent Particles

#161
20080017036
2008-01-24

Absorbing agent, dust collection chamber and method for adsorbing odours

#162
20070267350
2007-11-22

Pumice stone with a carbon content, process for its production and its applications

#163
20070122609
2007-05-31

Porous coatings on adsorbent materials

#164
20060183812
2006-08-17

Adsorptive coating formulation

#165
20060167120
2006-07-27

Carbon nanotube-containing catalysts, methods of making, and reactions catalyzed over nanotube catalysts

#166
20060133975
2006-06-22

Adsorbent, porous filter, air cleaning device, method of cleaning air, and method of manufacturing porous filter

#167
20060041043
2006-02-23

Composite media for ion processing

#168
20050221089
2005-10-06

Filtration media comprising granules of binder-agglomerated active component

#169
20050211100
2005-09-29

Shaped composite adsorbent material

#170
20050211099
2005-09-29

Spiral composite adsorbent material

#171
20050084949
2005-04-21

Biological filter

#172
20050040090
2005-02-24

Carbon nanotube-containing structures, methods of making, and processes using same

#173
20050005870
2005-01-13

Composite absorbent particles

#174
19247547
2025-10-14

Method for separating nonpolar hydrocarbon from water

#175
18963457
2025-04-29

Amine-supported mesoporous carbon and preparation method and use thereof

#176
18529402
2024-04-02

Synthesis of activated carbon using palm leaves and potassium permanganate

#177
16384373
2022-05-31

Composite particle and method for removing contaminants from liquids