ClassID:

86487

C02F2101/345 - CPC Classification

Classification description:

Nature of the contaminant; Organic compounds containing oxygen Phenols

Recent Application in this class:
#1
20260145971
2026-05-28

METHOD OF WATER PURIFICATION

#2
20260049014
2026-02-19

PROCESS FOR THE DEGRADATION OF ONE OR MORE HYDROCARBONS

#3
20260028261
2026-01-29

SYSTEM AND METHOD FOR TREATMENT AND REUSE OF RENEWABLE ENERGY PRODUCTION WASTEWATER

#4
20260008702
2026-01-08

CATALYST FOR DECOMPOSING ORGANIC MATTER AND SYSTEM FOR DECOMPOSING ORGANIC MATTER COMPRISING THE SAME

#5
20260002275
2026-01-01

POWDER-FILLED ELECTRODE AND DEVICE INCLUDING SAME

#6
20250319458
2025-10-16

METAL ION-DOPED TIN DISULFIDE NANOFLOWER AND APPLICATION THEREOF IN PIEZOELECTRIC CATALYTIC DEGRADATION OF POLLUTANTS

#7
20250276925
2025-09-04

WATER PURIFICATION SYSTEM AND WATER PURIFICATION METHOD

#8
20250236547
2025-07-24

SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION

#9
20250197265
2025-06-19

Low-carbon near zero emission process of industrial waste water

#10
20250145507
2025-05-08

METHOD FOR TREATING REFRACTORY ORGANIC POLLUTANTS IN WASTEWATER

#11
20250136481
2025-05-01

ANODE AND CATHODE SYNERGISTIC ELECTROCATALYTIC SYSTEM FOR WASTEWATER TREATMENT AND APPLICATION

#12
20250034311
2025-01-30

PHENOL REMOVAL PROCESS FOR WATER PURIFICATION

#13
20240425394
2024-12-26

COMPOSITE OZONE CATALYST, PREPARATION METHOD AND USE THEREOF

#14
20240336745
2024-10-10

PERYLENE-BASED MICELLE CAPABLE OF RAPIDLY ADSORBING AND EFFICIENTLY DEGRADING CONTAMINANT AND METHOD FOR PREPARING SAME

#15
20240254270
2024-08-01

Method for purifying water with regenerative adsorbent

#16
20240018080
2024-01-18

SYNERGISTIC USE OF PHENOL PURIFICATION TRAIN IN PHENOL PRODUCTION UNIT FOR PROCESSING PHENOLIC WATER FROM BISPHENOL-A PRODUCTION UNIT

#17
20240010530
2024-01-11

Application of hydrophobic phthalocyanine as heterogeneous catalyst in oxidizing phenol wastewater by hydrogen peroxide

#18
20240009593
2024-01-11

Fluid treatment apparatus, systems, and methods

#19
20230381756
2023-11-30

MULTIDIMENSIONAL MULTILAYERED UPCONVERSION NANOARCHITECTONICS WITH TUNEABLE ND CONTENT FOR EFFICIENT PHOTOCATALYTIC PHENOLIC DEGRADATION UNDER AMBIENT CONDITIONS

#20
20230373835
2023-11-23

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

#21
20230373823
2023-11-23

Method for remediating groundwater organic contamination by in-situ reaction zone

#22
20230348650
2023-11-02

Water purification method with nanocomposite sorbent

#23
20230264992
2023-08-24

Application of hydrophobic phthalocyanine as heterogeneous catalyst in oxidizing phenol wastewater by hydrogen peroxide

#24
20230264179
2023-08-24

Preparation Method and Use of Cobalt Nanoparticle/Boron Nitride Composite

#25
20230249161
2023-08-10

Z-type heterojunction composite material of tungsten oxide nanorod/titanium carbide quantum dot/indium sulfide nanosheet, preparation method therefor and application thereof

#26
20230241576
2023-08-03

COMPOSITE MATERIAL AND METHOD FOR REMOVING POLLUTANT FROM POLUTED WATER

#27
20230151500
2023-05-18

NOVEL ELECTROCATALYTIC MEMBRANE REACTOR AND USE THEREOF IN PREPARATION OF HIGH-PURITY HYDROGEN

#28
20230150850
2023-05-18

METHOD FOR REMOVING ORGANIC POLLUTANTS FROM WATER BODIES BY ACTIVATING PERSULFATE WITH NUTRIENT-ENHANCED SOYBEAN SPROUT-BASED BIOCHAR

#29
20230135497
2023-05-04

METHOD FOR REFINERY WASTEWATER TREATMENT, A SYSTEM AND USES THEREOF

#30
20230132599
2023-05-04

PORPHYRIN-BASED METAL COORDINATION CONJUGATED POLYMER, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF IN PHOTOCATALYTIC DEGRADATION OF ORGANIC POLLUTANTS

#31
20230097537
2023-03-30

A SEQUENTIAL REACTOR FOR ADSORPTION OF POLLUTANTS ONTO ACTIVATED CARBON AND ELECTROCHEMICAL REGENERATION OF THE ACTIVATE

#32
20230046975
2023-02-16

Amorphous cobalt-inherent silicon oxide catalyst

#33
20230040809
2023-02-09

METHOD FOR REMOVING TBBPA IN WATER, MICROBIAL STRAIN AND MICROBIAL AGENT

#34
20230020669
2023-01-19

SOLVENT ASSISTED CAVITATION FOR WASTE WATER TREATMENT

#35
20220402779
2022-12-22

Composite and method for removing dissolved organic matter from water

#36
20220348707
2022-11-03

Method for removing organic pollutants from water

#37
20220347660
2022-11-03

Bismuth iodide oxide / zinc oxide composite and preparation method therefor and application thereof in piezoelectric photocatalytic removal of organic pollutants

#38
20220118516
2022-04-21

Silicified modified zero-valent iron and its preparation method and application

#39
20220041480
2022-02-10

Nano iron biological coupling device for organic wastewater and its process

#40
20220024793
2022-01-27

OXIDATION SYSTEM AND PROCESS FOR PHOTOCATALYTIC INDUCED POLYMERIZATION OF AROMATIC COMPOUNDS

#41
20210380446
2021-12-09

TREATMENT OF LANDFILL LEACHATE AND OTHER ENVIRONMENTAL WATER WASTE STREAMS

#42
20210370119
2021-12-02

Processes for remediation of a contaminated material

#43
20210300801
2021-09-30

Catalysts for Fenton system containing metal oxide containing functional group on surface and Fenton system using the same

#44
20210252483
2021-08-19

Zeolite composites for water purification

#45
20210214246
2021-07-15

Processes and systems for treating sour water to remove sulfide compounds

#46
20210198131
2021-07-01

Method for recovering groundwater polluted by organic phenols

#47
20210155514
2021-05-27

Robust flow-through platform for organic contaminants removal

#48
20210121825
2021-04-29

Enhanced emulsion liquid membranes for extraction of pollutants from water

#49
20210115180
2021-04-22

Method of producing a carbon nanotube grafted acrylic acid/acrylamide copolymer nanocomposite sorbent

#50
20210061692
2021-03-04

Water Deodorizer and Method for Making It

#51
20210053855
2021-02-25

Recycling of alkali sulfate rich waste water by biological pre-treatment with an extreme halophilic organism

#52
20210053846
2021-02-25

METHOD FOR DEGRADING PHENOL IN INDUSTRIAL WASTEWATER WITH DUAL-FREQUENCY COMPOSITE ULTRASOUND

#53
20210023545
2021-01-28

Fenton-like catalytic material with dual reaction centers and preparation method thereof

#54
20200407244
2020-12-31

METHODS FOR PRODUCING A FOOD PRODUCT

#55
20200406233
2020-12-31

Bismuth oxide/bismuth subcarbonate/bismuth molybdate composite photocatalyst and preparation method thereof

#56
20200360905
2020-11-19

In—NH/g-CNnanocomposite with visible-light photocatalytic activity and preparation and application thereof

#57
20200346959
2020-11-05

Method for reducing pollutant discharge in phenol and acetone production

#58
20200331782
2020-10-22

Process for the treatment of waste water

#59
20200308035
2020-10-01

Medium material for removing phenol contamination from groundwater, method of producing the same, and use of the same

#60
20200299161
2020-09-24

Photocatalysts based on bismuth oxyhalide, process for their preparation and uses thereof

#61
20200207648
2020-07-02

Method for preparing a catalyst and using the catalyst for wastewater treatment

#62
20200122130
2020-04-23

Two-dimensional nitrogen-doped carbon-based titanium dioxide composite material, and preparation method and application thereof for degrading and removing organic pollutants in water

#63
20200070135
2020-03-05

Photocatalyst having high visible-light activity

#64
20200001272
2020-01-02

Synthesis of a thin insoluble hydroxide shell on the surface of magnetic zero-valent metal nanoparticles for environmental remediation

#65
20190329233
2019-10-31

Three-dimensional composite material, preparation method thereof and application thereof in removal of water pollutants by visible light catalytic degrading

#66
20190284071
2019-09-19

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

#67
20190248685
2019-08-15

Reactor and reaction system based on supercritcal water oxidation, and phenolic wastewater treatment method

#68
20190194041
2019-06-27

Photoelectrochemical cell for wastewater treatment and method of fabricating the photoelectrochemical cell

#69
20190193061
2019-06-27

Method for preparing laminar zinc hydroxide organic-inorganic nanocomposites for use in the removal and degradation of dyes from textile effluents

#70
20190177195
2019-06-13

Method and system for preparing a fenton Fe2+/H2O2 reagent

#71
20190127248
2019-05-02

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

#72
20190100452
2019-04-04

Biological removal of micropollutants from wastewater

#73
20190071328
2019-03-07

Adsorbents, systems, and methods for separation of organic species from water

#74
20190055379
2019-02-21

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

#75
20190039024
2019-02-07

MIXED MATRIX MEMBRANE FILTRATION DEVICE FOR AN APPLIANCE

#76
20190002305
2019-01-03

System and method for treating salt-containing glycerin wastewater

#77
20180345264
2018-12-06

Photocatalyst having high visible-light activity

#78
20180237301
2018-08-23

Carbon nanotube laminates

#79
20180221856
2018-08-09

Preparation and application of silver-modified spiral titanium dioxide nano-fiber photocatalyst

#80
20180179132
2018-06-28

Separation of dichlorophenols

#81
20180179090
2018-06-28

Composite material for catalytic treatment of contaminated soil and water and catalytic treatment method thereof

#82
20180170774
2018-06-21

DEVICE AND METHOD FOR GENERATING OXIDANTS IN SITU

#83
20180162747
2018-06-14

Method for generating hydroxyl radical and removing organic pollutants in water by utilizing an organic membrane

#84
20180155269
2018-06-07

Method of purifying nitrated aromatic compounds from a nitration process

#85
20170369349
2017-12-28

Bio-assisted process for the treatment and regeneration of spent caustic

#86
20170349468
2017-12-07

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

#87
20170297933
2017-10-19

System for treatment of polluted effluents

#88
20170283786
2017-10-05

Method for preparing kaolin immobilized GY2B bacteria and application thereof

#89
20170253507
2017-09-07

Treatment of organic contaminated materials with manganese oxide media

#90
20170144908
2017-05-25

System and method for treatment of spent caustic wastewater

#91
20170107137
2017-04-20

Resource reuse-type industrial waste water treatment method and apparatus utilizing oxidizing agent generated by utilizing waste water

#92
20170107126
2017-04-20

DISPERSANT FOR WATER TREATMENT AND WATER TREATMENT METHOD

#93
20170043331
2017-02-16

Polymeric nanocomposite films with embedded channels and methods for their preparation and use

#94
20170007984
2017-01-12

Bead immobilized with absorbent and microorganisms

#95
20160367967
2016-12-22

Method of regeneration of beta-cyclodextrin based adsorbent-coated silica with ozone

#96
20160304376
2016-10-20

Methods and systems for pH treatment and extraction of leachable resources and pollutants from sludge

#97
20160202220
2016-07-14

Liquid phase phenol analysis

#98
20160167991
2016-06-16

Photocatalysts based on bismuth oxyhalide, process for their preparation and uses thereof

#99
20160107122
2016-04-21

Method for recirculating a reprocessing effluent comprising chloride ions

#100
20160060151
2016-03-03

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

#101
20160052813
2016-02-25

Electrolytic treatment method of olive mill waste water

#102
20150368138
2015-12-24

Method and system for the integral treatment of wastewater from the maize industry

#103
20150352387
2015-12-10

Processes for remediation of a contaminated material

#104
20150315048
2015-11-05

Material used in the removal of contaminants from liquid matrices

#105
20150284264
2015-10-08

Methods and systems for treating spent caustic and regenerating media

#106
20150225235
2015-08-13

Reducing agents for producing chlorine dioxide

#107
20150218015
2015-08-06

Polymer beads incorporating solid particulate material

#108
20150174568
2015-06-25

Molecularly imprinted catalysts and methods of making and using the same

#109
20150166363
2015-06-18

METHODS AND SYSTEMS FOR WATER RECOVERY

#110
20140144838
2014-05-29

Bio-augmentation composition and use thereof for improving efficiency of effluent treatment in hydrocarbon processing plant

#111
20140141969
2014-05-22

Process for preparing absorbent material for apolar compounds or mixtures

#112
20140102979
2014-04-17

Microorganisms-immobilized felt-based resin for the treatment of phenolic effluents and a preparation method thereof

#113
20140061134
2014-03-06

Water treatment system with carbon regeneration circuit

#114
20140048480
2014-02-20

Method and apparatus for biologically treating coking-plant wastewater

#115
20140048466
2014-02-20

Apparatus for treating Lake Okeechobee water

#116
20140042100
2014-02-13

Method for pretreatment of wastewater and recreational water with nanocomposites

#117
20140027381
2014-01-30

Method to remove organic pollutants through coupling microwave degradation based on microporous mineral adsorption

#118
20130153483
2013-06-20

PHOTOCATALYTIC COMPOSITE MATERIAL

#119
20130098837
2013-04-25

Method for rapid treatment of waste water and a composition thereof

#120
20120325740
2012-12-27

ORGANISM METABOLITES FOR REMOVAL OF POLLUTANTS FROM BRINE

#121
20120308821
2012-12-06

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

#122
20120302515
2012-11-29

Methods for producing phytoextracts from vegetation waters and olive oil pomaces and compositions obtained thereby

#123
20120279920
2012-11-08

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES

#124
20120273412
2012-11-01

Treatment of waste product

#125
20120267310
2012-10-25

E-BEAM TECHNOLOGY FOR WATER TREATMENT

#126
20120211434
2012-08-23

Method of using polyvinypolypyrrolidone to remove contaminants from produced water of an oil or gas well

#127
20120205321
2012-08-16

Nitrogen doped ANbO, process for preparation thereof, and method for degradation of organic pollutants

#128
20120145639
2012-06-14

Contaminant separating method using a modified palygorskite clay sorbent

#129
20120097608
2012-04-26

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING SUSPENSION SYSTEM

#130
20120094335
2012-04-19

laccase and variants and fragments thereof

#131
20120061316
2012-03-15

Biological treatment method for treating waste water and controlling COD loading rate per bacterium and COD concentration in effluent

#132
20120055872
2012-03-08

Sub-critical partial oxidation for treatment of nitration wastes

#133
20120031853
2012-02-09

Oxidation of organic contaminants present in wastewater

#134
20120006745
2012-01-12

Methods and Systems for Producing Granules of Biomass in the Treatment of Wastewater

#135
20110315629
2011-12-29

Submerged membrane bioreactor system and biological methods for removing bisphenol compounds from municipal wastewater

#136
20110284475
2011-11-24

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

#137
20110284391
2011-11-24

PROCESS AND APPARATUS FOR SEPARATING NITROAROMATICS FROM WASTEWATER

#138
20110278223
2011-11-17

Enzyme-Assisted Effluent Remediation

#139
20110210073
2011-09-01

Polymeric sorbents for removing low level contaminants

#140
20110186495
2011-08-04

Apparatus, systems, and methods for water treatment

#141
20110121228
2011-05-26

Revaluation of aqueous waste streams in the propylene oxide/styrene co-production process

#142
20110042327
2011-02-24

Methods and systems for treating sour water

#143
20110021837
2011-01-27

Recovery by vapor recompression of industrial process fluid components

#144
20110017664
2011-01-27

Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones

#145
20110006001
2011-01-13

Method and system for surface water treatment

#146
20100300977
2010-12-02

OPERATIONS OF SELENIUM REMOVAL SORBENT BEDS

#147
20100282591
2010-11-11

Removal of hydrocarbons from an aqueous stream

#148
20100237010
2010-09-23

Use of PVPP to remove contaminants from produced water of an oil or gas well

#149
20100234666
2010-09-16

Method for purification of substances contaminated with organic chemicals

#150
20100209988
2010-08-19

Bioremediation Materials

#151
20100140076
2010-06-10

Method for treating waste water containing oxygen-containing compound having phenolic hydroxyl group of carbonyl group

#152
20100126945
2010-05-27

Reactor for reductive conversion reactions using palladized bacterial cellulose

#153
20100096342
2010-04-22

Removal of contaminants from water and gas by filtration

#154
20100029471
2010-02-04

Photocatalyst-synthesized fiber product

#155
20090277775
2009-11-12

Reactor for removing chemical and biological contaminants from a contaminated fluid

#156
20090261042
2009-10-22

METHOD FOR ADSORPTION OF FLUID CONTAMINANTS AND REGENERATION OF THE ADSORBENT

#157
20090166208
2009-07-02

ELECTROBIOLOGICAL TREATMENT DEVICE FOR ORGANIC SEWAGE

#158
20090127192
2009-05-21

Liquid-liquid extraction method and apparatus

#159
20090127191
2009-05-21

PROCESS FOR TREATING A SOLID-LIQUID MIXTURE

#160
20090114604
2009-05-07

Method and System for Photocatalytically Decomposing Organic Pollutants Using Electromotive Force of Solar Cell

#161
20080308495
2008-12-18

Removal of contaminants from water using sugar based surfactant enhanced ultrafiltration

#162
20080296223
2008-12-04

BIOREMEDIATION METHODS USING FUNGAL COMPOSITIONS

#163
20080041794
2008-02-21

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

#164
20080027264
2008-01-31

Methods for degrading phenolic biocides present in fluid compositions

#165
20060226078
2006-10-12

Method for purifying wastewater

#166
20060138057
2006-06-29

Eco-friendly photo-fenton catalyst-immobilized Fe(III) over HY-zeolite

#167
20050240065
2005-10-27

Extraction of phenol-containing effluent streams

#168
19271627
2026-02-10

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

#169
19262717
2026-04-28

Nanocomposite for degrading organic contaminants

#170
19236767
2025-11-25

Multicomponent nanocomposite material

#171
19190385
2026-06-02

High flux nanofiltration membrane

#172
18139461
2024-01-16

Date palm frond modified cellulose extracts hydrogel-encased with metal oxides nanohybrids for wastewater treatment

#173
18138262
2023-11-07

Decontamination of water using guar gum derivatives and applications thereof

#174
18130572
2023-11-28

Nanocomposites of metal / metal oxides for catalytic degradation of toxic pollutants in water

#175
17742089
2022-12-06

Method of making activated carbon sorbent from seagrass for organic pollutant removal from water

#176
17190248
2024-03-19

Piezocatalysis using piezoelectric polymers

#177
16176804
2020-11-17

Stable immobilized amine sorbents for removal of an organic contaminate from wastewater

#178
15938228
2018-08-28

Process for using phytochemicals and sugar acids to create one or more engineered media for use in a water purification filter

#179
15364221
2017-04-18

Method for preparing adsorbent for removing organic pollutants from water