ClassID:

86485

C02F2101/327 - CPC Classification

Classification description:

Nature of the contaminant; Organic compounds; Hydrocarbons, e.g. oil Polyaromatic Hydrocarbons [PAH's]

Recent Application in this class:
#1
20260078030
2026-03-19

SYSTEM AND METHOD FOR PFAS-CONTAMINATED WATER TREATMENT

#2
20250256988
2025-08-14

Ultrasound-Assisted System To Efficiently Remove Particles from Fluid Streams

#3
20250236547
2025-07-24

SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION

#4
20250222428
2025-07-10

POROUS NANOCOMPOSITES

#5
20240279099
2024-08-22

NANOCOMPOSITE PREPARATION, METHOD FOR MAKING THE SAME AND USE THEREOF

#6
20240051855
2024-02-15

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#7
20230373835
2023-11-23

Relating to the Treatment of Matrices and/or the Contents of Matrices

#8
20230357064
2023-11-09

ENZYME BOOSTER TECHNOLOGY FOR ADVANCED DECONTAMINATION OF PETROLEUM HYDROCARBONS

#9
20230285876
2023-09-14

OIL AND FUEL COLLECTOR

#10
20230048134
2023-02-16

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

#11
20220315462
2022-10-06

TREATMENT OF PRODUCED WATER

#12
20220220014
2022-07-14

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#13
20220213464
2022-07-07

Hierarchical magnetic nanoparticle-enzyme mesoporous assemblies embedded in macroporous scaffolds

#14
20210316275
2021-10-14

Material for removing contaminants from water

#15
20210316272
2021-10-14

Method for making a water treatment adsorbent filter

#16
20210252472
2021-08-19

Method for removing polycyclic aromatic hydrocarbons from water using ball milled and sonicated oil fly ash powder

#17
20210238069
2021-08-05

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#18
20210147258
2021-05-20

Method of adsorbing contaminants using a porous carbon compound

#19
20210146332
2021-05-20

Graphene coated glass material and uses thereof

#20
20210107816
2021-04-15

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#21
20210101127
2021-04-08

Method for making absorbent oil fly ash powder

#22
20210087076
2021-03-25

Porous nanocomposites

#23
20210053852
2021-02-25

PROCESS AND SYSTEM FOR SUBCRITICAL OXIDATION OF WATER-BORNE ORGANIC CONTAMINANTS

#24
20210047630
2021-02-18

Enzyme forming mesoporous assemblies embedded in macroporous scaffolds

#25
20200331774
2020-10-22

Use of Keplerate type polyoxymolybdates for decontaminating aquatic environments

#26
20200254396
2020-08-13

Precise fabrication of activated-hydrophilic-hydrophobic MXenes-based multidimensional nanosystems for efficient and prompt water purification from petroleum wastes and desalination process under ambient conditions

#27
20200180978
2020-06-11

Method for removing organic pollutants from contaminated water using polystyrene-carbon nanofiber composition made from post-consumer waste

#28
20200156010
2020-05-21

Fiber-knotted porous membrane bag for the removal of environmental pollutants from water

#29
20200148565
2020-05-14

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#30
20200101434
2020-04-02

Microcapsule Material Capable of Reducing Pollution Containing Polycyclic Aromatic Hydrocarbon, and Preparation Method and Application Thereof

#31
20200002698
2020-01-02

Method for epoxidation to produce alkene oxide

#32
20190284071
2019-09-19

Efficient bio-inorganic system for treatment of sulphidic wastewater streams containing other contaminants

#33
20190241452
2019-08-08

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#34
20190210900
2019-07-11

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#35
20190151912
2019-05-23

Chemical oxidation method and compounds

#36
20190127248
2019-05-02

Process and system for subcritical oxidation of water-borne organic contaminants

#37
20190100452
2019-04-04

Biological removal of micropollutants from wastewater

#38
20190055379
2019-02-21

Use of a cyclodextrin polycondensate or a composition comprising such a polycondensate, as a capturing agent

#39
20180319685
2018-11-08

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#40
20180265382
2018-09-20

UV light reactor for contaminated fluids

#41
20180243716
2018-08-30

Microcapsule material capable of reducing pollution containing polycyclic aromatic hydrocarbon, and preparation method and application thereof

#42
20180237301
2018-08-23

Carbon nanotube laminates

#43
20180214851
2018-08-02

Material for removing contaminants from water

#44
20180185688
2018-07-05

Carbon-modified titanium dioxide nanoparticles and the photocatalytic remediation of aqueous sources systems and methods thereof

#45
20180178263
2018-06-28

Chemical oxidation method and compounds

#46
20180154409
2018-06-07

Chemical oxidation method

#47
20180087043
2018-03-29

Method for inhibiting growth of microorganisms with macroporous scaffolds

#48
20180050946
2018-02-22

Environmentally sustainable cement composition, its use for inerting dredging sediments/sludges, relative method and apparatus for inerting

#49
20180037472
2018-02-08

Quantum dot-based filter

#50
20170349468
2017-12-07

Improvements in and Relating to the Treatment of Matrices and/or the Contents of Matrices

#51
20170297933
2017-10-19

System for treatment of polluted effluents

#52
20170204118
2017-07-20

Metal organic framework with perfluorinated linker

#53
20170189889
2017-07-06

Method for producing a functional ceramic material

#54
20170014878
2017-01-19

Method of remediation of organic toxins using supported lipid bilayer nanoparticles

#55
20160229708
2016-08-11

Excage: synthesis of viologen-like pyridinium-based cages for the selective capture of polycyclic aromatic hydrocarbons

#56
20160067677
2016-03-10

Titanium stannate silicate, method of preparation and use thereof

#57
20160060151
2016-03-03

Method for treating industrial water by physical separation, adsorption on resin and reverse osmosis, and corresponding plant

#58
20150321927
2015-11-12

Permeable reactive weir

#59
20150307371
2015-10-29

Electric arc for aqueous fluid treatment

#60
20150284264
2015-10-08

Methods and systems for treating spent caustic and regenerating media

#61
20150252352
2015-09-10

Hierarchical magnetic nanoparticle enzyme mesoporous assemblies embedded in macroporous scaffolds

#62
20150239762
2015-08-27

Method of reducing residual recalcitrant organic pollutants

#63
20150114910
2015-04-30

Apparatus and method for cleaning water

#64
20150041409
2015-02-12

Reactive treatment cell and systems for environmental remediation

#65
20140335601
2014-11-13

Chemical oxidation and biological attenuation process for the treatment of contaminated media

#66
20140209831
2014-07-31

Surface-reacted calcium carbonate and its use in waste water treatment

#67
20130126442
2013-05-23

METHODS FOR REMOVING CONTAMINANTS FROM WATER

#68
20130095559
2013-04-18

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

#69
20130022720
2013-01-24

Methods of Treating a Water Sample or a Substrate to Remove Organic Compounds

#70
20120277516
2012-11-01

CHEMICAL OXIDATION METHOD AND COMPOUNDS

#71
20120267310
2012-10-25

E-BEAM TECHNOLOGY FOR WATER TREATMENT

#72
20120223029
2012-09-06

METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING NATURAL MEDIA FILTRATION

#73
20120100598
2012-04-26

R. rhodochrous and Linoleic Acid As Bioremediation Agents of Polycyclic Aromatic Hydrocarbons (PAH) in Diesel-Contaminated Soil

#74
20120061317
2012-03-15

Magnetic Pollen Grains as Sorbents for Organic Pollutants in Aqueous Media

#75
20110284475
2011-11-24

Apparatus and Method for Treatment of a Contaminated Water-Based Fluid

#76
20110193011
2011-08-11

Process for the purification of water

#77
20110054135
2011-03-03

Process for purification of an aqueous phase containing polyaromatics

#78
20100300937
2010-12-02

Naphthenic acid removal and conversion

#79
20100209988
2010-08-19

Bioremediation Materials

#80
20100086987
2010-04-08

Process for the purification of water using surface treated calcium carbonate

#81
20100084346
2010-04-08

Process for the purification of water

#82
20090325253
2009-12-31

METHODS AND SYSTEMS FOR PRODUCTION OF BIOFUELS AND BIOENERGY PRODUCTS FROM SEWAGE SLUDGE, INCLUDING RECALCITRANT SLUDGE

#83
20090292155
2009-11-26

Chemical oxidation method and compounds

#84
20090272697
2009-11-05

Superoxidant Poiser For Groundwater And Soil Treatment With In-Situ Oxidation-Reduction And Acidity-Basicity Adjustment

#85
20090127191
2009-05-21

PROCESS FOR TREATING A SOLID-LIQUID MIXTURE

#86
20080251462
2008-10-16

Decontamination Process and System

#87
20080203030
2008-08-28

Method of Extracting Organic Chemicals from Water or Air Using Polar Polyurethane as a Solid Extraction Medium

#88
20080041794
2008-02-21

Methods of decontaminating water, catalysts therefor and methods of making catalysts

#89
20070287917
2007-12-13

Method for collapsing microbubbles

#90
20070209999
2007-09-13

Wastewater treatment system

#91
20070181511
2007-08-09

Systems for polishing wastewater utilizing natural media filtration

#92
20070119779
2007-05-31

Method for treating raw water containing hardly decomposable substance

#93
20060226083
2006-10-12

Method of treating wastewater containing hardly decomposable harmful substances

#94
20060027505
2006-02-09

Remediation with ozone of sediments containing organic contaminants

#95
20060016766
2006-01-26

Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidation

#96
20060016763
2006-01-26

Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment

#97
20050199554
2005-09-15

Discarded FCC equilibrium catalyst through reclamation

#98
20050087499
2005-04-28

Remediation with ozone of sediments containing organic contaminants

#99
20050034978
2005-02-17

Electrolytic cell stack with porous surface active electrode for removal of organic contaminants from water and method to purify contaminated water

#100
19271627
2026-02-10

Calcium metaborate/lead tetroxide/magnesium borate/carbon nanocomposite and method of preparation

#101
19262717
2026-04-28

Nanocomposite for degrading organic contaminants

#102
19236767
2025-11-25

Multicomponent nanocomposite material

#103
17479222
2024-12-03

Method of preparing potable water

#104
14333988
2016-08-09

Chemical oxidation method and compounds