ClassID:

32600

B01J20/2804 - CPC Classification

Classification description:

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form; Membrane, sheet, cloth, pad, lamellar or mat Sheets with a specific shape, e.g. corrugated, folded, pleated, helical

Recent Application in this class:
#1
20250345772
2025-11-13

EROSION AND SEDIMENT AND POLLUTION CONTROL PRODUCTS USING RICE HULLS

#2
20250235849
2025-07-24

Processes For Removing Contaminants From Contaminated Surfaces

#3
20250170560
2025-05-29

MEMBRANE

#4
20250041830
2025-02-06

Lithium absorbent and preparation method therefor

#5
20250041785
2025-02-06

CANISTER

#6
20250041784
2025-02-06

CANISTER

#7
20240390845
2024-11-28

POLYMERIC AMINE SORBENTS FOR GAS SEPARATION USING A MOISTURE SWING REGENERATION STEP

#8
20240342642
2024-10-17

CARBON DIOXIDE SORBENT ARTICLE ASSEMBLIES WITH COMPONENTS TO MAINTAIN GAPS BETWEEN SEPARATE SHEETS OF SORBENT ARTICLE

#9
20240269650
2024-08-15

SORBENT STORAGE OF HYDROCARBON GAS

#10
20240216869
2024-07-04

ASSAY FOR FILTRATION OF SUSPENDED PARTICLES IN MICROPOROUS MEMBRANES

#11
20240181425
2024-06-06

Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof

#12
20240181104
2024-06-06

METHODS AND SYSTEMS FOR REMOVING HYDROGEN PEROXIDE FROM A GAS

#13
20240116024
2024-04-11

FLEXIBLE SORBENT POLYMER COMPOSITE ARTICLE HAVING ADSORPTIVE AND DESORPTIVE CONFIGURATIONS

#14
20240033710
2024-02-01

Method of manufacturing erosion and sediment and pollution control products using rice hulls

#15
20240024852
2024-01-25

ADSORBENT AEROGEL MEMBRANE SHEETS FOR DIRECT AIR CAPTURE OF CO2

#16
20230311055
2023-10-05

ACTIVATED CARBON FIBRE FILTER

#17
20230285897
2023-09-14

GAS PURIFYING FILTER AND SUBSTRATE TREATMENT APPARATUS INCLUDING THE SAME

#18
20230277966
2023-09-07

TUBULAR KNITTED GEOTEXTILES IMPLEMENTING HYDROPHOBIC CELLULOSE BASED THREADS, METHODS OF MAKING THE SAME, AND EROSION SEDIMENT AND POLLUTION CONTROL PRODUCTS MADE FROM THE SAME

#19
20230233990
2023-07-27

Gas treatment element and a method of forming a gas treatment element

#20
20220387972
2022-12-08

Dehumidifying element, dehumidifying device including dehumidifying element, and method of manufacturing dehumidifying element

#21
20220258099
2022-08-18

PERFORATED SORBENT POLYMER COMPOSITE SHEETS FOR ENHANCED MASS TRANSPORT

#22
20220161199
2022-05-26

Assay for filtration of suspended particles in microporous membranes

#23
20210379559
2021-12-09

Modified metal-organic framework (MOF) compositions, process of making and process of use thereof

#24
20210346864
2021-11-11

Adsorption cooling system using carbon aerogel

#25
20210322952
2021-10-21

Eco-friendly sorbent material for removing oil

#26
20210308651
2021-10-07

ADSORPTION COOLING SYSTEM USING CARBON AEROGEL

#27
20210187429
2021-06-24

Filter bags comprising a porous membrane

#28
20210146295
2021-05-20

Sorbent devices

#29
20210039069
2021-02-11

Methods with a construction that absorbs an organic chemical

#30
20210039037
2021-02-11

Sorbent devices for air intakes

#31
20210023532
2021-01-28

Textured sorbent sheets, assemblies containing them, and molds for making same

#32
20200330957
2020-10-22

Air filters comprising polymeric sorbents for reactive gases

#33
20200269181
2020-08-27

Filter bags comprising a porous membrane

#34
20200269180
2020-08-27

FILTER BAGS COMPRISING A POROUS MEMBRANE

#35
20200094218
2020-03-26

Adsorbent and packaging material

#36
20200039809
2020-02-06

Apparatus for hydrocarbon vapor recovery

#37
20200038798
2020-02-06

Sorbent devices

#38
20190247826
2019-08-15

APPARATUS FOR HYDROCARBON REMOVAL

#39
20190170448
2019-06-06

ADSORPTION SYSTEM

#40
20190134558
2019-05-09

Gas treatment element and a method of forming a gas treatment element

#41
20190091659
2019-03-28

SORBENT BOOM AND METHOD FOR CONSTRUCTION THEREOF

#42
20190046950
2019-02-14

Silver-carrying zeolite molded article

#43
20180370819
2018-12-27

Selective adsorbent fabric for water purification

#44
20180362818
2018-12-20

Expanding and disposable oil absorbent pads

#45
20180325138
2018-11-15

Programmable polymer caffeine extraction

#46
20180282601
2018-10-04

ABSORBANT HYACINTH PRODUCT AND RELATED METHOD OF MANUFACTURE

#47
20180214816
2018-08-02

Sorbent devices

#48
20180071717
2018-03-15

APPARATUS FOR HYDROCARBON REMOVAL

#49
20180056275
2018-03-01

Construction that absorbs an organic material

#50
20170334741
2017-11-23

Selective adsorbent fabric for water purification

#51
20170252720
2017-09-07

MODIFICATION OF ZEOLITIC IMIDAZOLATE FRAMEWORKS AND AZIDE CROSS-LINKED MIXED-MATRIX MEMBRANES MADE THEREFROM

#52
20170080376
2017-03-23

Gas treatment monolith article

#53
20160178625
2016-06-23

Immunoassay product and process

#54
20160114311
2016-04-28

Sorbent material and a method for enhancing sorption performance thereof

#55
20150219046
2015-08-06

Elongated tubular hydrocarbon adsorption trap produced from a circularly wrapped sheet media

#56
20150190783
2015-07-09

Polymers grafted with organic phosphorous compounds for extracting uranium from solutions

#57
20150174520
2015-06-25

Assembly of structured adsorbent modules

#58
20150064416
2015-03-05

Folded absorbent article

#59
20140306154
2014-10-16

Freezer/Fridge Mats

#60
20140263029
2014-09-18

Apparatus for hydrocarbon removal

#61
20130283845
2013-10-31

Adsorption cooling system using carbon aerogel

#62
20130192281
2013-08-01

Adsorption system

#63
20130171404
2013-07-04

Monolith with catalytic or sorbent beads

#64
20120315189
2012-12-13

Immunoassay product and process

#65
20120272829
2012-11-01

Air filter with sorbent particles

#66
20120055333
2012-03-08

Rapid cycle, gas permeable, adsorbent-containing paper containing p-aramid fibrids and zeolite

#67
20110297609
2011-12-08

Aircraft potable water system

#68
20110232578
2011-09-29

Absorbent Pad Containing Corrugate

#69
20110056879
2011-03-10

Air and contaminant isolation and removal apparatus and method

#70
20110028928
2011-02-03

Absorber forming crossbridge upon absorbing

#71
20100224565
2010-09-09

Multiple bed temperature controlled adsorption

#72
20100170844
2010-07-08

Appratus for hydrocarbon removal

#73
20080128358
2008-06-05

Process and apparatus for adsorptive separation of substances

#74
20070251876
2007-11-01

Hybrid filter element and method

#75
20060116287
2006-06-01

Filter system

#76
20060081128
2006-04-20

Modular adsorbent filters

#77
20050223894
2005-10-13

Adsorber for adsorbing hydrocarbon vapors from return flows through an intake tract of an internal combustion engine

#78
20050211099
2005-09-29

Spiral composite adsorbent material

#79
20050155491
2005-07-21

Dehumidifying element and manufacturing method for the same

#80
20050152821
2005-07-14

Filter system

#81
20050148465
2005-07-07

Filter system

#82
20050139537
2005-06-30

Negatively charged membrane

#83
20050100699
2005-05-12

Filter system

#84
20050025884
2005-02-03

Method for manufacturing chemical filter

#85
20050022671
2005-02-03

Chemical filter and method for manufacturing same

#86
16810209
2021-11-16

Adsorbent boom for the containment of contaminant spills

#87
15881895
2020-04-21

Adsorbent boom for the containment of contaminant spills