ClassID:

86481

C02F2101/308 - page 2 - CPC Classification

Classification description:

Nature of the contaminant; Organic compounds Dyes; Colorants; Fluorescent agents

Recent Application in this class:
#301
20120145639
2012-06-14

Contaminant separating method using a modified palygorskite clay sorbent

#302
20120145624
2012-06-14

WATER FILTER CARTRIDGE

#303
20120094335
2012-04-19

laccase and variants and fragments thereof

#304
20120067828
2012-03-22

PHOTOCATALYST AND METHOD FOR PRODUCTION

#305
20120031827
2012-02-09

AGGLOMERATION OF HIGH SURFACE AREA RARE EARTHS

#306
20120024783
2012-02-02

Oxidative decolorization of dyes with enzymatically generated peracid method, composition and kit of parts

#307
20110309017
2011-12-22

METHODS AND DEVICES FOR ENHANCING CONTAMINANT REMOVAL BY RARE EARTHS

#308
20110284475
2011-11-24

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

#309
20110226705
2011-09-22

Apparatus and method for dissolution of ozone in water and catalytic oxidation

#310
20110198237
2011-08-18

System for treatment of contaminated liquid

#311
20110195166
2011-08-11

Modified Biogenic Silica and Method for Purifying a Liquid

#312
20110110817
2011-05-12

RARE EARTH REMOVAL OF COLORANTS

#313
20110094971
2011-04-28

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

#314
20110073536
2011-03-31

SUBSTAINABLE TECHNOLOGY FOR TREATMENT OF BATIK WASTE EFFLUENT

#315
20110059028
2011-03-10

METHOD FOR MEMBRANE ELECTROLYSIS AND THE USE OF THE PRODUCTS OBTAINED BY IT

#316
20110036780
2011-02-17

Method and apparatus for collecting fractions of mixtures, suspensions, and solutions of non-polar liquids

#317
20110017098
2011-01-27

REMOVAL AND RECOVERY OF DYE WASTE FROM EFFLUENTS USING CLAY

#318
20100326921
2010-12-30

Process for obtaining an adsorbent from a waste material and use of the adsorbent

#319
20100197905
2010-08-05

Modified polysaccharides

#320
20100193419
2010-08-05

Normal-Pressure Plasma-Based Apparatus for Processing Waste Water by Mixing the Waste Water with Working Gas

#321
20100140180
2010-06-10

Method and apparatus for treatment of contaminated liquid

#322
20100126945
2010-05-27

Reactor for reductive conversion reactions using palladized bacterial cellulose

#323
20100044245
2010-02-25

Immobilized redox mediators for the treatment of contaminated waters and gas emissions

#324
20100032312
2010-02-11

Electrochemical apparatus having a forced flow arrangement

#325
20090277775
2009-11-12

Reactor for removing chemical and biological contaminants from a contaminated fluid

#326
20090221727
2009-09-03

Composition and Process for Conversion of Paint Sludge Into Reusable Paint

#327
20090220767
2009-09-03

Nanocarbon-activated carbon composite

#328
20090191612
2009-07-30

Biological process for color reduction of pulp and paper effluent

#329
20090166282
2009-07-02

PHOTOCATALYSED OXIDATION PURIFICATION DEVICE

#330
20090166208
2009-07-02

ELECTROBIOLOGICAL TREATMENT DEVICE FOR ORGANIC SEWAGE

#331
20090114600
2009-05-07

Metal compound removal

#332
20090114599
2009-05-07

Removal Of Organic Pollutants From Contaminated Water

#333
20090107928
2009-04-30

Paint spray booth sludge consolidation method and apparatus

#334
20090065435
2009-03-12

Modified Biogenic Silica and Method for Purifying a Liquid

#335
20090032459
2009-02-05

Colored wastewater discoloration method

#336
20090014393
2009-01-15

Treatment chamber for separating compounds from aqueous effluent

#337
20080314764
2008-12-25

Method for the Electrochemical Decoloration of Indigo-Containing Aqueous Dispersions

#338
20080271911
2008-11-06

Submerged Electrode and Material Thereof

#339
20080230483
2008-09-25

Disposable organoclay cartridge

#340
20080181843
2008-07-31

Solid-state synthesis of iron oxide nanoparticles

#341
20080173582
2008-07-24

Process and apparatus for reuse of liquid effluents generated in the textile finishing, laundering, dyeing and stamping process

#342
20080110835
2008-05-15

Decolorization method of colored effluent

#343
20080110826
2008-05-15

Use of (lindt) schipper in methods for treating industrial wastewaters containing dyes

#344
20080110824
2008-05-15

Use of lendner in methods for treating industrial wastewaters containing dyes

#345
20080110823
2008-05-15

Use of (Ehrenberg) Vuillemin in methods for treating industrial wastewaters containing dyes

#346
20080067124
2008-03-20

Solvent recovery system for plastic dying operation

#347
20080061000
2008-03-13

Ultrasonic treatment system for separating compounds from aqueous effluent

#348
20080057567
2008-03-06

Processes for decolorization of colored effluents

#349
20080041794
2008-02-21

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

#350
20080035577
2008-02-14

System and Method for Treatment of Industrial Wastewater

#351
20070284314
2007-12-13

Oxidation Process for Water Treatment

#352
20070272616
2007-11-29

Water treatment mixture and methods and system for use

#353
20070039814
2007-02-22

Solar photocatalysis using transition-metal oxides combining dand delectron configurations

#354
20070015678
2007-01-18

Modified polysaccharides

#355
20060283806
2006-12-21

Wastewater treatment process

#356
20060273039
2006-12-07

Water treatment mixture

#357
20060249450
2006-11-09

Apparatus and method for treating wastewater containing nitrogen-containing dyes

#358
20060219635
2006-10-05

HIGH-DENSITY FILTRATION MODULE

#359
20060217281
2006-09-28

Oxidation system containing a macrocyclic metal complex, the production thereof and its use

#360
20060201861
2006-09-14

Water treatment mixture and system for use

#361
20060194303
2006-08-31

Wastewater treatment compositions

#362
20060151399
2006-07-13

Metal compound removal

#363
20060144709
2006-07-06

Structure of an electrode for use in an electrolytic cell

#364
20060144268
2006-07-06

Waste liquid regenerator of printing machine

#365
20060118496
2006-06-08

Water treatment using metal porphyrin

#366
20060076299
2006-04-13

Synthesis of bentonite clay-based iron nanocomposite and its use as a heterogeneous photo fenton catalyst

#367
20060011554
2006-01-19

Method of decolorizing stock-raising treatment water

#368
20050158840
2005-07-21

Biological process for colour reduction of pulp and paper effluent

#369
20050067347
2005-03-31

Sustainable process for the treatment and detoxification of liquid waste

#370
20050004362
2005-01-06

Method of reducing the organic carbon content of production waste water in the course of the preparation of concentrated solutions of anionic organic compounds

#371
20050000915
2005-01-06

In situ water treatment

#372
19399967
2026-06-02

Alumina-supported polypyrrole modified oxidized graphitic carbon nitride membrane

#373
19271627
2026-02-10

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

#374
19266138
2026-02-24

Removal of water pollutant using calcium metavanadate/calcium silicate/graphite-phase carbon nitride (CaVO/CaSiO/g-CN) nanocomposite

#375
19262717
2026-04-28

Nanocomposite for degrading organic contaminants

#376
19250391
2025-12-09

Particulate crystalline nanocomposite as a sorbent for wastewater treatment

#377
19249857
2026-03-24

Zirconium dioxide/calcium silicate/graphitic carbon nitride nanocomposite and method of use as a photocatalyst

#378
19236767
2025-11-25

Multicomponent nanocomposite material

#379
19228732
2025-12-02

Versatile physicochemical water treatment system and method

#380
19210201
2025-09-02

Hydrogen peroxide generation system

#381
19073425
2025-07-08

Nanocomposite for water decontamination

#382
19072395
2025-12-30

Nanocomposite for water decontamination

#383
19071555
2025-07-08

Water decontamination using nanocomposite

#384
19062203
2025-11-25

Water decontamination via CN@MoO/MgAlOnanocomposite

#385
19051404
2025-11-11

Flocculant for treating fracturing flowback fluid and preparation method therefor

#386
19048586
2025-05-27

Nanocomposite for purification of contaminated water

#387
19039812
2025-06-17

Method for purifying polluted water

#388
19019656
2025-06-24

Water treatment material, preparation, and use for electrically enhanced adsorptive filtration

#389
19016011
2025-12-16

Cobalt oxide and nickel oxide doped magnesium aluminum oxide (CoO—NiO@MgAlO) nanocomposite for dye removal from water

#390
18934939
2025-03-04

Sulfer-doped silver tungstate (AG2WO4) nanoparticles for water decontamination

#391
18849873
2025-09-09

Methods, systems, and compositions for oxidation of a substrate

#392
18584581
2024-10-29

Tri-metallic organic framework (MOF) complex as a reduction catalyst

#393
18529402
2024-04-02

Synthesis of activated carbon using palm leaves and potassium permanganate

#394
18466851
2024-04-09

Preparation method and application of tailings-based zeolite@CDs-TiOcomposite photocatalyst

#395
18439254
2024-08-27

Metal organic frameworks containing face-centered cubic topology supported by carbon nanotubes

#396
18380763
2024-08-27

Synthesis of amino-rich mesoporous silica nanoparticles for removal of heavy metal and uranium cations

#397
18379374
2024-02-13

Adsorbent using biowaste and plastic waste for wastewater treatment

#398
18378848
2024-03-26

Activated carbon flakes using palm fiber and polyethylene waste

#399
18378826
2024-12-17

Method of preparing adsorbent from date pit and a polymer

#400
18378297
2024-02-13

Activated carbon composite flakes using olive stone-polyethylene waste

#401
18377888
2024-06-11

Method of preparing adsorbent from sugarcane bagasse and polyolefin waste

#402
18233089
2024-11-19

Hydrogel nanobeads for adsorption of pollutants from wastewater

#403
18218464
2024-04-30

LuO@ZnO nanocomposites for photodegradation of textile wastewater dyes

#404
18211747
2024-01-16

Preparing magnetite and akaganéite nanoparticles from steel slag as a raw material for wastewater treatment

#405
18202094
2023-10-17

Low cost technology municipal wastewater treatment for safe irrigation reuse

#406
18195692
2024-03-26

Method of removing pollutants from water using waste polyethylene terephthalate

#407
18130572
2023-11-28

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

#408
16944785
2021-01-12

Graphene-tungsten oxide-metal boride/hydroxide photocatalysts, and methods for organic pollutant degradation and hydrogen production

#409
16912201
2023-04-04

Melamine-formaldehyde derived porous carbon adsorbent

#410
16595577
2021-01-05

Graphene oxide and cobalt tin oxide nanocomposite and method of use

#411
16250560
2021-11-02

Synthesis and characterization of MoOnanoparticles and their ability to decontaminate water

#412
16176804
2020-11-17

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

#413
15722898
2018-06-05

Carboxylic functionalized magnetic nanocomposite

#414
15364233
2017-05-09

Method for preparing an adsorbent for removing organic dyes from water

#415
14637366
2016-05-10

Method for removing organic dye from wastewater

#416
14192786
2018-07-31

Photocatalytic activity of quantum dots-magnetite nanocomposite to degrade organic dyes in aqueous phase