ClassID:

86284

C02F1/54 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

Sub-classes:
Recent Application in this class:
#1
20260016455
2026-01-15

CONTAMINANT ANALYSIS APPARATUS AND WATER QUALITY MONITORING SYSTEM

#2
20260001791
2026-01-01

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#3
20250382479
2025-12-18

METHOD FOR PURGING PAINT CIRCUITS AND WATERBORNE PURGE CLEANER

#4
20250382207
2025-12-18

FLOCCULANT FOR REMOVING HEAVY METALS AND METHOD FOR REMOVAL OF HEAVY METALS USING THE SAME

#5
20250270122
2025-08-28

AQUATIC DYE AND COAGULANT COMBINATION PRODUCT TO IMPROVE THE LONGEVITY OF WATER QUALITY ENHANCEMENTS

#6
20250171342
2025-05-29

WASTEWATER TREATMENT PROCESS IN PRODUCTION OF NICKEL COBALT HYDROXIDE

#7
20250162912
2025-05-22

METAL CHELATORS

#8
20240327264
2024-10-03

ACIDIC WASTEWATER PH NEUTRALIZATION WITH MICRONIZED CALCIUM CARBONATE

#9
20240308878
2024-09-19

WATER TREATMENT SYSTEM, WATER TREATMENT METHOD, AND AMINE SOLUTION

#10
20240270612
2024-08-15

SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELATED SYSTEMS

#11
20230416123
2023-12-28

COAGULATING AGENT OF PLANT ORIGIN FOR WATER TREATMENT

#12
20230286839
2023-09-14

PROCESS FOR REMOVAL OF FLUOROORGANIC COMPOUNDS FROM EMULSIONS

#13
20230234869
2023-07-27

PRODUCTION OF POTABLE WATER USING CHEMICALLY FORCED PRECIPITATION

#14
20230053638
2023-02-23

PHOTOSWITCHABLE GUANIDINIUM COMPOUNDS FOR REMOVAL OF OXYANIONS FROM LIQUID SOLUTIONS

#15
20230009795
2023-01-12

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#16
20220365058
2022-11-17

CONTAMINANT ANALYSIS APPARATUS AND WATER QUALITY MONITORING SYSTEM

#17
20220204784
2022-06-30

IMPROVED METHOD FOR PURGING PAINT CIRCUITS AND WATERBORNE PURGE CLEANER

#18
20210260603
2021-08-26

Iron chelators as activators in alkaline flotation circuits

#19
20210009448
2021-01-14

TREATMENT SYSTEM AND METHOD FOR RURAL BLACK AND ODOROUS WATER AND MANURE

#20
20200377391
2020-12-03

Compound heavy metal chelating agent containing dithiocarboxylate functionalized ethoxylated pentaerythritol core hyperbranched polymer

#21
20200299156
2020-09-24

Systems and methods of reducing selenium contamination in waste water

#22
20190256391
2019-08-22

CLARIFYING WATER AND WASTEWATER WITH FUNGAL TREATMENT/BIOFLOCCULATION

#23
20190256375
2019-08-22

COLLOIDAL SILICA ADDITION TO PROMOTE THE SEPARATION OF OIL FROM WATER

#24
20190234091
2019-08-01

Composition and method for water conditioning

#25
20190160394
2019-05-30

Separating rare earth metal oxalates

#26
20190112209
2019-04-18

COMPOSITION AND SYSTEM FOR FLOCCULATING OR SETTLING SOLIDS FROM LIQUIDS AND METHODS FOR USING SAME

#27
20190071339
2019-03-07

Apparatus and methods for treating wastewater

#28
20190033222
2019-01-31

Method of determining residual flocculant in effluent of an industrial clarification process

#29
20180340007
2018-11-29

Method for the preparation of biopolymers

#30
20180327289
2018-11-15

Water clarification method and device

#31
20180170785
2018-06-21

Method for Separating Liquid From Suspended Matter in a Sludge and Device for Same

#32
20170349470
2017-12-07

METHOD FOR DEWATERING SLUDGE ASSISTED BY A FLOCCULATING REAGENT AND FACILITY FOR IMPLEMENTING SUCH A METHOD

#33
20170266587
2017-09-21

Method for separating solid particles from a waterbody

#34
20170253504
2017-09-07

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#35
20170203982
2017-07-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#36
20170167152
2017-06-15

Composition and method for water conditioning

#37
20170166462
2017-06-15

Compositions and Methods for the Removal of Sulfates and Metals From Waste Water

#38
20170165590
2017-06-15

Method for separating tritiated water from light water contaminated by the tritiated water

#39
20170128886
2017-05-11

Method for substituting tritium in tritium-containing water, and tritium elimination method

#40
20170036931
2017-02-09

METHODS AND KITS FOR STABILIZING OXIDIZERS AND SANITIZING WATER

#41
20170001888
2017-01-05

Wet paint booth circulating water treatment agent

#42
20160333253
2016-11-17

Apparatus and method for inverting polymer latices

#43
20160289103
2016-10-06

TAILINGS-POLYMER MIXING OPTIMIZATION BY CONTROLLING THE DISCHARGE ENVIRONMENT

#44
20160200600
2016-07-14

Enhancement of dewatering using soy flour or soy protein

#45
20160122196
2016-05-05

Use of polyols as scale control reagents in the mining processes

#46
20160083276
2016-03-24

Composition and method for water conditioning

#47
20160046513
2016-02-18

Composition and system for flocculating or settling solids from liquids and methods for using same

#48
20160046512
2016-02-18

Use of a dual polymer system for enhanced water recovery and improved separation of suspended solids and other substances from an aqueous media

#49
20160002077
2016-01-07

Perchlorate removal from aqueous industrial liquids

#50
20150376038
2015-12-31

CLARIFICATION OF HYDROCARBONS AND SUSPENDED MATTER FROM AN AQUEOUS MEDIUM

#51
20150336883
2015-11-26

Heavy metal remediation via sulfur-modified bio-oils

#52
20150315056
2015-11-05

Method for thickening or dehydrating sludge

#53
20150307377
2015-10-29

PROCESS FOR MAKING WATER DRINKABLE

#54
20150274565
2015-10-01

Method And Composition For Water Purification And Sludge Dewatering

#55
20150258510
2015-09-17

Device For Injecting Then Mixing Polymer In A Pipe Carrying A Solid Particle Suspension, And Method Implementing The Device

#56
20150144570
2015-05-28

Glycerides and fatty acid mixtures and methods of using same

#57
20150096461
2015-04-09

Method for regenerating solution for nitric acid activation treatment of zinc-plated metal member surface, and regeneration treatment apparatus using the same

#58
20150083652
2015-03-26

SYSTEM AND METHOD FOR TREATING CONTAMINATED WATER

#59
20150060367
2015-03-05

COAGULATION PROCESSING METHOD, COAGULATION PROCESSING UNIT, AND WATER PROCESSING APPARATUS

#60
20150041406
2015-02-12

Method of tracing chemical quantities using encapsulated fluorescent dyes

#61
20140377166
2014-12-25

SYSTEMS AND METHODS FOR REMOVING FINELY DISPERSED PARTICULATE MATTER FROM A FLUID STREAM

#62
20140263082
2014-09-18

Polymer blends for flocculation

#63
20140246376
2014-09-04

CONCENTRATION OF SUSPENSIONS

#64
20140224733
2014-08-14

Colloidal silica addition to promote the separation of oil from water

#65
20140209831
2014-07-31

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

#66
20140158634
2014-06-12

Polymer blends for flocculation

#67
20140102986
2014-04-17

METHOD AND APPARATUS FOR PERFORMING SURFACE FILTRATION FOR WASTEWATER MERCURY REMOVAL

#68
20140090747
2014-04-03

Installation for emptying bags of pulverulent product and method employing the installation

#69
20140076823
2014-03-20

PAINT COAGULATION USING FATTY ACIDS

#70
20140054232
2014-02-27

Process and system for dewatering oil sands fine tailings

#71
20140053872
2014-02-27

Methods and compositions for the treatment and recovery of purge solvent

#72
20130336877
2013-12-19

Systems and methods for removing finely dispersed particles from mining wastewater

#73
20130299433
2013-11-14

Plant-derived flocculant, flocculant mixture, method of flocculation, and method for preparing plant-derived flocculant

#74
20130292342
2013-11-07

Composition and system for flocculating or settling solids from liquids and methods for using same

#75
20130248445
2013-09-26

Membrane filtration process with high water recovery

#76
20130227997
2013-09-05

Method for separating liquid from suspended matter in a sludge and device for same

#77
20130220937
2013-08-29

Water clarification method and device

#78
20130186837
2013-07-25

Method and Kit for Reducing Cyanuric Acid Levels in Pool Water

#79
20130134103
2013-05-30

SYSTEMS AND METHODS FOR REMOVING FINELY DISPERSED PARTICULATE MATTER FROM A FLUID STREAM

#80
20130015141
2013-01-17

NOVEL INJECTION FLOCCULATION AND COMPRESSION DEWATERING UNIT FOR SOLIDS CONTROL AND MANAGEMENT OF DRILLING FLUIDS AND METHODS RELATING THERETO

#81
20120325743
2012-12-27

Systems and processes for treatment of solutions

#82
20120255905
2012-10-11

Continuous collection method of particle component in aqueous solution and apparatus therefor

#83
20120228232
2012-09-13

Water Remediation and Biosolids Collection System and Associated Methods

#84
20120168387
2012-07-05

Glycerides and fatty acid mixtures and methods of using same

#85
20120145645
2012-06-14

CLARIFICATION OF HYDROCARBONS AND SUSPENDED MATTER FROM AN AQUEOUS MEDIUM

#86
20120145633
2012-06-14

ULTRA-SOUND ENHANCED CENTRIFUGAL SEPARATION OF OIL FROM OILY SOLIDS IN WATER AND WASTEWATER

#87
20110284471
2011-11-24

Alginate improvement

#88
20110139714
2011-06-16

PROCESS FOR REDUCING BULKING SLUDGE IN ACTIVATED SLUDGE WASTEWATER TREATMENT

#89
20110094963
2011-04-28

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#90
20110049058
2011-03-03

Methods and kits for stabilizing oxidizers and sanitizing water

#91
20110000854
2011-01-06

USE OF A DUAL POLYMER SYSTEM FOR ENHANCED WATER RECOVERY AND IMPROVED SEPARATION OF SUSPENDED SOLIDS AND OTHER SUBSTANCES FROM AN AQUEOUS MEDIA

#92
20100331484
2010-12-30

Guanidine-based polymers for separation processes

#93
20100300962
2010-12-02

METHODS FOR TREATING WASTEWATER USING AN ORGANIC COAGULANT

#94
20100155337
2010-06-24

PROCESS OF TREATING SEWAGE IN TERNARY COMBINATION FLOODING

#95
20100093933
2010-04-15

Substituted guar protein extracts and production/applications thereof

#96
20100086987
2010-04-08

Process for the purification of water using surface treated calcium carbonate

#97
20100078382
2010-04-01

CONTINUOUS COLLECTION METHOD OF PARTICLE COMPONENT IN AQUEOUS SOLUTION AND APPARATUS THEREFOR

#98
20100038319
2010-02-18

Process for separating off carbon black from a wastewater stream

#99
20090266769
2009-10-29

Methods for recovering tallow from wastewater

#100
20090218281
2009-09-03

Water Treating Method and Arrangement Integrating a Fixed-Bacteria Biological Treatment and Flocculation-Decantation

#101
20090206040
2009-08-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#102
20090130006
2009-05-21

Use of polyols as scale control reagents in the mining processes

#103
20090105355
2009-04-23

Flocculant for separating and flocculating oil and water

#104
20090090673
2009-04-09

Water remediation and biosolids collection system and associated methods

#105
20080223789
2008-09-18

MATERIAL AND A METHOD FOR REMOVING OXO-ANIONS AND METAL CATIONS FROM A LIQUID

#106
20080135491
2008-06-12

Methods from removing heavy metals from water using chemical precipitation and field separation methods

#107
20070205159
2007-09-06

Method for treating acidic waters using recycled acidic and basic sludges

#108
20070196257
2007-08-23

Process for removing sulfur particles from an aqueous catalyst solution and for removing hydrogen sulfide and recovering sulfur from a gas stream

#109
20070020170
2007-01-25

Process for removing sulfur particles from an aqueous catalyst solution and for removing hydrogen sulfide and recovering sulfur from a gas stream

#110
20060283806
2006-12-21

Wastewater treatment process

#111
20060243661
2006-11-02

System for treating wastewater containing organic compounds

#112
20060163163
2006-07-27

Process and compositions for the purification of water

#113
20060151360
2006-07-13

Modified amine-aldehyde resins and uses thereof in separation processes

#114
20060144799
2006-07-06

Method of dewatering sludge and the sludge thus dewatered

#115
20060120805
2006-06-08

Method for treating metal-contaminated water and soil

#116
20060117138
2006-06-01

Disk array device and remote copying control method for disk array device

#117
20060058566
2006-03-16

Humic mineral reagent and method for the production thereof, method for rehabilitating polluted soils, method for detoxification of wastes of extracted and processed mineral products and recultivating rock dumps and tailing storages, method for sewage water treatment and method for sludge utilisation

#118
20060011554
2006-01-19

Method of decolorizing stock-raising treatment water

#119
20050258103
2005-11-24

Methods for removing heavy metals from water using chemical precipitation and field separation methods

#120
20050145574
2005-07-07

Method of treating mine drainage

#121
20050109694
2005-05-26

Method and system for treating wastewater containing organic compounds

#122
20050072740
2005-04-07

Removal of phosphate from water

#123
20050034651
2005-02-17

Apparatus and method for removing mercury and mercuric compounds from dental effluents

#124
18666495
2025-03-11

Solar still water treatment using carbon-based effervescent tablets and related methods

#125
16501510
2020-03-03

De-scaling: The critical key to effective desalination

#126
14607041
2016-02-02

Water separation from sludge

#127
14490360
2015-08-25

Composition and method for water conditioning

#128
13999309
2017-07-11

Methods to treat source water for oil-fields heavy oil and other applications