ClassID:

34402

B01J2220/4825 - CPC Classification

Classification description:

Aspects relating to sorbent materials; Aspects relating to the composition of sorbent or filter aid materials; Sorbents characterised by the starting material used for their preparation the starting material being of organic character Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton

Sub-classes:
Recent Application in this class:
#1
20260042906
2026-02-12

Polymer Material

#2
20260034533
2026-02-05

METHOD AND APPARATUS FOR CONTROLLING A MODIFICATION PROCESS OF HYGROSCOPIC MATERIAL

#3
20250375757
2025-12-11

SUPERABSORBENT POLYMER AND METHOD OF MAKING THE SAME

#4
20250288973
2025-09-18

Biodegradable Super Absorbent Polymer and Preparation Method Thereof

#5
20250010266
2025-01-09

PREPARATION METHOD AND APPLICATION OF RED MUD-ENHANCED MAGNETIC STRAW BIOCHAR MATERIAL

#6
20240424481
2024-12-26

BIODEGRADABLE STARCH/POLYACRYLATE SUPER WATER ABSORBENTS PREPARED BY GAMMA-IRRADIATION

#7
20240402157
2024-12-05

Chromogenic Absorbent Material for Animal Litter

#8
20240382934
2024-11-21

METHOD FOR MANUFACTURING COFFEE ACTIVATED CARBON USING COFFEE WASTE, COFFEE ACTIVATED CARBON MANUFACTURED USING THE SAME, AND COMBI FILTER FOR VEHICLE AIR CONDITIONING SYSTEM INCLUDING COFFEE ACTIVATED CARBON

#9
20240317899
2024-09-26

METHOD FOR THE MANUFACTURE OF AGAR OR AGAROSE BEADS USING NATURAL OR VEGETABLE OIL

#10
20240316535
2024-09-26

Biodegradable and Renewable Superabsorbent Material

#11
20240316534
2024-09-26

POROUS PARTICLES, METHOD FOR PRODUCING SAME, AND FILLER FOR CHROMATOGRAPHY USING SAME

#12
20240226848
2024-07-11

CELLULOSE DERIVATIVE, AND BORON ADSORBENT COMPRISING THE CELLULOSE DERIVATIVE

#13
20240140800
2024-05-02

NITROGEN-DOPED POROUS CARBON MATERIAL AND PREPARATION METHOD AND USE THEREOF

#14
20230363331
2023-11-16

COMPOSITIONS AND METHODS FOR IMPROVING FLOWABILITY OF SUPERABSORBENT POLYMERS

#15
20230278007
2023-09-07

CELLULOSE DERIVATIVE AND METAL ADSORBENT CONTAINING SAID CELLULOSE DERIVATIVE

#16
20230241578
2023-08-03

ADSORBENT MIXTURE FOR DEPLETING ANTIBIOTICS, PATHOGENS, AND HEAVY METALS

#17
20220340462
2022-10-27

Method of fixing arsenic using activated biochar

#18
20220250033
2022-08-11

ECO-FRIENDLY WATER RETENTION NATURAL POLYMER AND METHOD THEREOF

#19
20220126267
2022-04-28

CO-PYROLYZED SLUDGE BIOCHAR MODIFIED BY LANTHANUM CARBONATE, PREPARATION METHOD AND USE THEREOF

#20
20220062861
2022-03-03

Copper, iron, and nitrogen treated sorbent and method for making same

#21
20220062856
2022-03-03

Method for preparing natural organic macromolecular water treatment agent

#22
20220062855
2022-03-03

Iron and nitrogen treated sorbent and method for making same

#23
20220040672
2022-02-10

Humic acid type adsorption material as well as preparation method and application thereof

#24
20220001356
2022-01-06

Oil remediation composition, process for producing said oil remediation composition, and process for remediating oil spills

#25
20210147578
2021-05-20

Functionalised compounds

#26
20210140950
2021-05-13

Chromogenic absorbent material for animal litter

#27
20210008269
2021-01-14

Method for treating drug intoxication

#28
20200223716
2020-07-16

Iron filings-based green environmental media for nutrient removal and methods of use

#29
20200223715
2020-07-16

Synergistic iron and clay-based green environmental media for nutrient removal

#30
20200188880
2020-06-18

Process and apparatus for manufacturing water-absorbing material and use in cat litter

#31
20200139348
2020-05-07

Polymeric sorbent, preparation and use thereof

#32
20200047156
2020-02-13

Extracted lignocellulosic material as an adsorbent and uses thereof

#33
20190269285
2019-09-05

Waste absorbing formulation with communication capabilities and toilet systems for use thereof

#34
20190256374
2019-08-22

Water treatment using an iron and clay-based sorption media

#35
20190200568
2019-07-04

Compressed coconut coir pith tablets and method and apparatus for the production and use thereof

#36
20190177941
2019-06-13

FLOODBAG SANDLESS SANDBAG

#37
20190160426
2019-05-30

Method for adsorbing ethylene gas using amorphous granular starch

#38
20190099737
2019-04-04

Carbon sorbent for removal of metal catalysts from pharmaceuticals

#39
20190094211
2019-03-28

Chromogenic absorbent material for animal litter

#40
20190091658
2019-03-28

Modified cotton fabric for solid-phase extraction and fabrication method

#41
20190060820
2019-02-28

SHAPED ATTRITION RESISTANT PARTICLES FOR CO2 CAPTURING AND CONVERSION

#42
20190031533
2019-01-31

Water treatment

#43
20190001300
2019-01-03

Calcium alginate adsorbents

#44
20190001299
2019-01-03

MICROCRYSTALLINE CELLULOSE PYROLYZATE ADSORBENT AND GAS SUPPLY PACKAGES COMPRISING SAME

#45
20180369783
2018-12-27

Hemocompatible adsorber for the dialysis of protein-bound uremic toxins

#46
20180339284
2018-11-29

Synthesis and application of MOFs/natural polymers composite beads adsorbents

#47
20180327279
2018-11-15

Hybrid hydrogel for highly efficient solar generation of steam

#48
20180229218
2018-08-16

Process and apparatus for manufacturing water-absorbing material and use in cat litter

#49
20180221851
2018-08-09

Microporous carbon monoliths from natural carbohydrates

#50
20180208734
2018-07-26

MAGNETIC HYDROPHOBIC POROUS GRAPHENE SPONGE FOR ENVIRONMENTAL AND BIOLOGICAL/MEDICAL APPLICATIONS

#51
20180043303
2018-02-15

Porous Adsorbent Structure for Adsorption of CO2 from a Gas Mixture

#52
20180029010
2018-02-01

Method for removal of metals from aqueous solutions using bio adsorbents

#53
20180015440
2018-01-18

Method of making hetero-atom doped activated carbon

#54
20170341053
2017-11-30

Adsorbent for adsorbing virus and/or bacterium, carbon/polymer composite and adsorbent sheet

#55
20170157571
2017-06-08

Electrospun cactus mucilage nanofibers

#56
20170074864
2017-03-16

Chromogenic absorbent material for animal litter

#57
20160368774
2016-12-22

Method of making chemically activated carbon

#58
20160236168
2016-08-18

Adsorbent for adsorbing virus and/or bacterium, carbon/polymer composite and adsorbent sheet

#59
20160136613
2016-05-19

Porous carbon materials for CO2 separation in natural gas

#60
20160024291
2016-01-28

Flocculant composition for dewatering solids laden slurries

#61
20160001260
2016-01-07

Porous carbon materials for CO2 separation in natural gas

#62
20150367325
2015-12-24

Modified hydrophobic sponges

#63
20150353400
2015-12-10

System and method for treating waste water by means of passive phosphorus capture

#64
20150251156
2015-09-10

Process for preparing lipid coated particles of plant material

#65
20150240185
2015-08-27

Process for regenerating filter aid used in a winterization process

#66
20150217222
2015-08-06

Magnetic activated carbon and methods for preparing and regenerating such materials

#67
20140294515
2014-10-02

Highly swellable polymers

#68
20140141480
2014-05-22

Methods and systems useful for drying ethanol

#69
20140110316
2014-04-24

Flow Through Adsorber for TDS Ablation

#70
20140083947
2014-03-27

Chitosan derivative, a method for its preparation and its use as an adsorption agent

#71
20140073775
2014-03-13

Cellulose phosphate powder product and process for manufacture thereof, and application to removal of contaminants from aqueous solutions

#72
20140005307
2014-01-02

Moisture scavenger composition

#73
20130302230
2013-11-14

Method for producing metal oxide compositions and coated substrates

#74
20130177620
2013-07-11

Non-visible activated carbon in absorbent materials

#75
20130116418
2013-05-09

Polysaccharide derivative, method for producing the same, and separating agent

#76
20130095559
2013-04-18

Composite material for absorbing and remediating contaminants and method of making same

#77
20130087507
2013-04-11

Use of cactus mucilage as a dispersant and absorbant for oil in oil-water mixtures

#78
20130072380
2013-03-21

Industrial absorbents and methods of manufacturing the same

#79
20130068692
2013-03-21

Electrospun cactus mucilage nanofibers

#80
20130046225
2013-02-21

Immunoactivation blood perfusion filter for the treatment of malignant tumors

#81
20130039984
2013-02-14

Manufacture process for the preparation of an iron containing phosphate adsorbent

#82
20120313271
2012-12-13

METHOD FOR PRODUCING SORBENT MATERIALS

#83
20120227469
2012-09-13

Chromatography of polyolefin polymers

#84
20120032369
2012-02-09

METHOD FOR MAKING HYDROPHOBIC ORGANIC FIBER AND PARTICULATE FOR SORBING LIQUID HYDROCARBONS

#85
20120021145
2012-01-26

Biodegradable Sorbent Devices For Use In Liquid Spills

#86
20120016328
2012-01-19

BIODEGRADABLE FILMS

#87
20110207196
2011-08-25

Depth filter layer with inorganic layer double hydroxide

#88
20110197791
2011-08-18

Compositions and methods to sequester flue gas mercury in concrete

#89
20110176871
2011-07-21

RESERVE PIT REMEDIATION

#90
20110174740
2011-07-21

ORGANIC ABSORBENT PRODUCT AND METHOD

#91
20110152499
2011-06-23

Chromatography of polyolefin polymers

#92
20110123474
2011-05-26

Non-Visible Activated Carbon in Absorbent Materials

#93
20110113960
2011-05-19

BIODEGRADABLE LITTER AMENDMENT MATERIAL FROM AGRICULTURAL RESIDUES

#94
20110094971
2011-04-28

Treatment Agent for Aqueous Waste Liquid and Treatment Method for Aqueous Waste Liquid

#95
20110094968
2011-04-28

Flocculant composition for dewatering solids laden slurries

#96
20110086097
2011-04-14

Manufacture process for the preparation of an iron containing phosphate adsorbent

#97
20110054430
2011-03-03

ABSORBENT ARTICLES COMPRISING A PEROXY COMPOUND AND AN ORGANIC ZINC SALT

#98
20110033337
2011-02-10

APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS

#99
20100331560
2010-12-30

Lignin sorbent, lignin removal unit, biorefinery, process for removing lignin, process for binding lignin and renewable material

#100
20100313756
2010-12-16

Use of iron ore agglomerates for acid gas removal

#101
20100255559
2010-10-07

APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS

#102
20100248941
2010-09-30

USE OF IRON ORE AGGLOMERATES FOR ACID GAS REMOVAL

#103
20100243542
2010-09-30

APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS

#104
20100242725
2010-09-30

Oxygen scavenger and a method for scavenging oxygen

#105
20100227015
2010-09-09

Method and apparatus for making porous agarose beads

#106
20100224029
2010-09-09

Method for separation and recovery of noble metals

#107
20100189856
2010-07-29

Compositions and methods for decontamination of animal feed containing mycotoxins typical for both northern and southern climates

#108
20100176069
2010-07-15

Method for regenerating a filter aid

#109
20100171073
2010-07-08

Absorbent mixture and product

#110
20100135976
2010-06-03

ADSORPTION DEVICE

#111
20100107485
2010-05-06

CARBON DIOXIDE ADSORBER FOR USE AT COMBUSTION OF FOSSIL FUEL, CONTAINING DRY POWDER OF PLANT FIBER

#112
20100084336
2010-04-08

Dechlorinating Chitosan Fibers and Method for Manufacturing the Same

#113
20100062933
2010-03-11

Functionalized green filtration media for passive underground drainfield for septic tank nutrient removal

#114
20100059437
2010-03-11

Passive underground drainfield for septic tank nutrient removal using functionalized green filtration media

#115
20100051540
2010-03-04

Retention/detention pond and green roof passive nutrient removal material mixes

#116
20100050720
2010-03-04

Passive nutrient removal material mixes

#117
20100042063
2010-02-18

Absorbent hydrophobic boronate galactomannan complexes and process for producing same

#118
20100036337
2010-02-11

ABSORBENT HYDROPHOBIC BORONATE GALACTOMANNAN COMPLEXES AND PROCESS FOR PRODUCING SAME

#119
20100022679
2010-01-28

USE OF TIMBER MATERIALS COMPRISING POLYAMINE FOR LOWERING FORMALDEHYDE CONTENT IN AMBIENT AIR

#120
20100015097
2010-01-21

Method of making sorbent, the sorbent obtained by this method and the uses of the sorbent as feed additive and medicine

#121
20090163888
2009-06-25

Odor control cellulose-based granules

#122
20090107925
2009-04-30

APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS

#123
20090068468
2009-03-12

Bead for enantiomeric isomer resolution and process for producing the same

#124
20090062519
2009-03-05

Chitosan derivative and method of producing same

#125
20090056361
2009-03-05

Moisture absorbing product for use in containers

#126
20090049741
2009-02-26

BIODIESEL PURIFICATION METHOD AND SYSTEM

#127
20090001023
2009-01-01

Process for removing soluble and insoluble oxidation by-products from non-polar lubricating and hydraulic fluids

#128
20080277351
2008-11-13

Remediation and Reclamation of Heavy Metals From Aqueous Liquid

#129
20080236389
2008-10-02

Impregnated Monoliths

#130
20080233381
2008-09-25

Industrial absorbents and methods of manufacturing the same

#131
20080194402
2008-08-14

Process for Particle Size Reduction of Glass-Like Polysaccharides

#132
20080179248
2008-07-31

Process for cross-linking cellulose ester membranes

#133
20080153695
2008-06-26

Adsorbent Containing Alpha-1,4-Glucan and Process for Producing the Same

#134
20080145704
2008-06-19

Method for producing metal oxide compositions and coated substrates

#135
20080076956
2008-03-27

Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions

#136
20080050273
2008-02-28

Biodegradable Litter Amendment Material from Agricultural Residues

#137
20080020929
2008-01-24

Dewatering promoter and method for production thereof

#138
20080009411
2008-01-10

Method for Manufacturing Absorbent having Function of Suppressing Leakage of Formaldehyde

#139
20070262026
2007-11-15

Compositions and methods for removal of toxic metals and radionuclides

#140
20070259781
2007-11-08

Chemical formulations for removal of hazardous pollutants from combustion gases

#141
20070205157
2007-09-06

Method of forming alginate particles in an aqueous solution containing metal ions

#142
20070149719
2007-06-28

Granular polysaccharide polymer having phthalocyanine skeleton bonded thereto

#143
20070108130
2007-05-17

Adsorption material and process for its production

#144
20070093654
2007-04-26

Cellulose II phosphate ester and metal-adsorbing material using the same

#145
20070082815
2007-04-12

Grease and oil absorbent

#146
20070069408
2007-03-29

Method and apparatus for making porous agarose beads

#147
20070000385
2007-01-04

Adsorbents for removing H2S, other odor causing compounds, and acid gases from gas streams and methods for producing and using these adsorbents

#148
20060229189
2006-10-12

Regeneration process for activated carbon for fuel purification

#149
20060223705
2006-10-05

Activated carbon for fuel purification

#150
20060191159
2006-08-31

Chemical compositions and methods for absorbing water vapour and combating malodour within a cavity

#151
20060186050
2006-08-24

Devices and processes for removal of impurities from a fluid recovered from a subterranean environment

#152
20060186033
2006-08-24

Devices and processes for removal of impurities from a fluid recovered from a subterranean environment

#153
20060157419
2006-07-20

Activated carbon exhibiting enhanced removal of dissolved natural organic matter from water

#154
20060135360
2006-06-22

Process for preparing porous hybrid comprising zeolite and chitosan and porous hybrid prepared thereby

#155
20060124560
2006-06-15

Filter aid and method of using same for reclaiming water-based fluids used in metal working processes

#156
20060102562
2006-05-18

Method for oxyanion removal from ground water

#157
20060060534
2006-03-23

Method of preparing a chromatography matrix

#158
20060032376
2006-02-16

Air purifier

#159
20050279712
2005-12-22

Agropolymer material for use in water purification and a method of producing the same

#160
20050220982
2005-10-06

Method of forming polysaccharide structures

#161
20050214541
2005-09-29

Polysaccharide phyllosilicate absorbent or superabsorbent nanocomposite materials

#162
20050209100
2005-09-22

Optically active support materials, their method of preparation and their uses

#163
20050202969
2005-09-15

Adsorbent and process for producing adsorbent

#164
20050196336
2005-09-08

Activated graphitic carbon and metal hybrids thereof

#165
20050115844
2005-06-02

Chemical compositions and methods for absorbing water vapor and combating malodor within a cavity

#166
20050098505
2005-05-12

FILTER AID AND METHOD OF USING SAME FOR RECLAIMING WATER-BASED FLUIDS USED IN METAL WORKING PROCESSES

#167
20050098503
2005-05-12

Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions

#168
20050056567
2005-03-17

Method for removing sulfur compounds from fluids using compressed metal oxide composition particles

#169
20050035057
2005-02-17

Method for removing heavy metals from media containing heavy metals by means of a Lyocell moulded body, cellulosic moulded body comprising absorbed heavy metals, and the use of the same

#170
18676521
2024-12-10

Preparation method for nanocomposite fiber membrane material based on bio-based liquefied formaldehyde resin