ClassID:

86314

C02F1/766 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine

Recent Application in this class:
#1
20260062328
2026-03-05

AUTOMATIC CHLORINE FEEDER FOR POOLS

#2
20250389130
2025-12-25

RECONFIGURABLE SPA FILTER TREATMENT SYSTEMS AND METHODS FOR TREATING FILTERED WATER FOR SPAS AND HOT TUBS

#3
20250353760
2025-11-20

METHOD OF REDUCING ENVIRONMENTAL METHYLMERCURY AND LIMITING ITS UPTAKE INTO PLANTS AND ORGANISMS

#4
20250346512
2025-11-13

WATER TREATMENT METHOD, WATER TREATMENT APPARATUS, SLIME INHIBITOR, AND CLEANING METHOD

#5
20250171343
2025-05-29

TREATMENTS OF ORGANIC WASTE

#6
20250051203
2025-02-13

MICROORGANISM CONTAMINATION PREVENTION METHOD FOR WATER SYSTEM

#7
20250044273
2025-02-06

CONTROL OF OXIDIZING BIOCIDE REAGENTS TO MITIGATE BIOFOULING

#8
20240279091
2024-08-22

PURE WATER PRODUCTION METHOD AND PURE WATER PRODUCTION APPARATUS

#9
20240139682
2024-05-02

WATER TREATMENT METHOD AND WATER TREATMENT AGENT COMPOSITION

#10
20240092669
2024-03-21

Ozone treatment of mining effluents.

#11
20230322594
2023-10-12

WATER TREATMENT SYSTEM, PURE WATER PRODUCTION METHOD, AND WATER TREATMENT METHOD

#12
20230313547
2023-10-05

RECONFIGURABLE SPA FILTER TREATMENT SYSTEMS AND METHODS FOR TREATING FILTERED WATER FOR SPAS AND HOT TUBS

#13
20230295017
2023-09-21

WATER RECOVERY SYSTEM AND WATER RECOVERY METHOD

#14
20230249996
2023-08-10

METHOD AND SYSTEM FOR THE REMEDIATION OF AQUATIC FACILITIES

#15
20230192515
2023-06-22

WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD

#16
20230180763
2023-06-15

NON-CHLORINATED OXIDIZING BIOCIDE CHEMISTRIES, THEIR METHODS OF PRODUCTION, APPLICATION AND METHODS OF FEED THEREOF

#17
20230174399
2023-06-08

WATER TREATMENT METHOD, WATER TREATMENT DEVICE AND SLIME INHIBITOR FOR MEMBRANES

#18
20230002258
2023-01-05

SYSTEMS AND METHODS FOR OXIDIZING DISINFECTANTS COMBINED WITH MOVING BED BIOFILM REACTORS

#19
20220363569
2022-11-17

Water treatment dispensing apparatus

#20
20220279793
2022-09-08

Stable compositions of uncomplexed iodine and methods of use

#21
20220259803
2022-08-18

Methods of microbial control

#22
20220240503
2022-08-04

METHOD AND COMPOSITION FOR WATER TREATMENT

#23
20220169532
2022-06-02

Methods and system for evaluating and maintaining disinfectant levels in a potable water supply

#24
20220127164
2022-04-28

Method and system for the remediation of aquatic facilities

#25
20210388561
2021-12-16

Methods of pulp fiber treatment

#26
20210380435
2021-12-09

Chemical monitoring devices and methods

#27
20210307874
2021-10-07

Dental instrument water supply filter

#28
20210270053
2021-09-02

Reconfigurable spa filter treatment systems and methods for treating filtered water for spas and hot tubs

#29
20210230037
2021-07-29

Treatments of organic waste

#30
20210198130
2021-07-01

Floating dispensers

#31
20210169053
2021-06-10

Method for Neutralizing and Removing Ammonia from an Aqueous Solution

#32
20210084894
2021-03-25

ION ENHANCEMENT

#33
20210022346
2021-01-28

RELATING TO WATER TREATMENT

#34
20200399153
2020-12-24

Floating dispensers

#35
20200369535
2020-11-26

Chemical monitoring devices and methods

#36
20200283979
2020-09-10

Constructive method and operational process for creation of artificial beaches, suitable for bathing, around plots of land

#37
20200247690
2020-08-06

Water treatment dispensing apparatus

#38
20200199000
2020-06-25

Methods of paper mill processing using recycled white water with microbial control

#39
20200189944
2020-06-18

Method and composition for use in the cyclic process for the efficient generation of chlorine dioxide in dilute solutions

#40
20200115260
2020-04-16

ELECTROCHEMICAL DECONTAMINATION CELLS

#41
20200109071
2020-04-09

DRINKABLE WATER PURIFICATION DEVICE

#42
20190367383
2019-12-05

WATER TREATMENT SYSTEM WITH PASSIVE HALOGEN BARRIER

#43
20190364902
2019-12-05

Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane

#44
20190335756
2019-11-07

NON-CHLORINATED OXIDIZING BIOCIDE CHEMISTRIES, THEIR METHODS OF PRODUCTION, APPLICATION AND METHODS OF FEED THEREOF

#45
20190322557
2019-10-24

Floating dispensers

#46
20190224627
2019-07-25

Method for permeate flow path sanitization in a reverse osmosis system

#47
20190194047
2019-06-27

Method and composition for use in the cyclic process for the efficient generation of chlorine dioxide in dilute solutions

#48
20190194034
2019-06-27

Methods and system for evaluating and maintaining disinfectant levels in a potable water supply

#49
20190144312
2019-05-16

Drinking water purification device

#50
20190069555
2019-03-07

Controlled release N-halamine polymers for water decontamination and detoxification

#51
20190031545
2019-01-31

Methods of pulp fiber treatment

#52
20180370820
2018-12-27

Water treatment system with passive halogen barrier

#53
20180360048
2018-12-20

Stable compositions of uncomplexed iodine and methods of use

#54
20180346360
2018-12-06

Chloroperoxidase-catalyzed degradation of pharmaceutical pollutants in wastewater

#55
20180282186
2018-10-04

Method for operating reverse-osmosis membrane treatment system

#56
20180125032
2018-05-10

Automated method and system for introducing Liquid iodine into drinking water

#57
20180118581
2018-05-03

Chemical monitoring devices and methods

#58
20170348448
2017-12-07

Water treatment dispensing apparatus

#59
20170341724
2017-11-30

Ballast water treatment device having device for injecting bromine salt and ozone

#60
20170267547
2017-09-21

Chemical monitoring devices and methods

#61
20170208814
2017-07-27

Stable compositions of uncomplexed iodine and methods of use

#62
20170158537
2017-06-08

Methods of microbial control

#63
20170065905
2017-03-09

ANTIMICROBIAL SOLUTIONS AND METHODS

#64
20170044029
2017-02-16

Filtration treatment system and filtration treatment method

#65
20170036928
2017-02-09

Methods of inhibiting fouling in liquid systems

#66
20170029308
2017-02-02

Side-stream particle precipitator apparatus and system for condenser open loop cooling system

#67
20170029298
2017-02-02

Electrochemical decontamination cells

#68
20160362321
2016-12-15

System and Process for Removing Nitrogen Compounds and Odors from Wastewater and Wastewater Treatment System

#69
20160354727
2016-12-08

Composition, system, and method for treating water systems

#70
20160311708
2016-10-27

Submergible biocide reactor and method

#71
20160295867
2016-10-13

Bromate suppression

#72
20160198721
2016-07-14

Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane

#73
20160174563
2016-06-23

Bromate suppression

#74
20160115059
2016-04-28

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#75
20160100584
2016-04-14

Relating to water treatment

#76
20160023927
2016-01-28

Hydrogen sulfide abatement in geothermal facilities

#77
20150307380
2015-10-29

FORMULATIONS CONTAINING A NON-OXIDATIVE BIOCIDE AND A SOURCE OF ACTIVE HALOGEN AND USE THEREOF IN WATER TREATMENT

#78
20150307367
2015-10-29

Low pressure drop remediation bed for water based coolant loops

#79
20150299014
2015-10-22

Non-Chemical Water Treatment Apparatus and System

#80
20150291462
2015-10-15

Slurry biocide

#81
20150151988
2015-06-04

Drinking water purification device

#82
20140374104
2014-12-25

Composition and method for treating oilfield water

#83
20140346122
2014-11-27

System and apparatus for determining and controlling water clarity

#84
20140342041
2014-11-20

APPARATUS AND METHOD FOR PRODUCING FILTERED AND DISINFECTED WATER

#85
20140332472
2014-11-13

Process to maintain large clean recreational bodies of water

#86
20140319078
2014-10-30

PROCESS AND SYSTEM FOR REMOVING UREA FROM AN AQUEOUS SOLUTION

#87
20140319059
2014-10-30

Method and kit for treating recreational water

#88
20140299552
2014-10-09

DISINFECTING WATER USED IN A FRACTURING OPERATION

#89
20140263013
2014-09-18

Fresh water generation system

#90
20140194335
2014-07-10

Compositions and methods for treating biofilms

#91
20140166588
2014-06-19

Localized disinfection system for large water bodies

#92
20140166565
2014-06-19

Apparatus for removing contamination via electrodes and a two-layered filter comprising carbon and an activating agent

#93
20140113003
2014-04-24

Bromate suppression

#94
20140027358
2014-01-30

Water treatment system

#95
20140021142
2014-01-23

Water treatment

#96
20130306574
2013-11-21

Low pressure drop remediation bed for water based coolant loops

#97
20130306532
2013-11-21

System for treating water used for industrial process

#98
20130299430
2013-11-14

Methods of producing iodinated anion exchange resins

#99
20130298839
2013-11-14

Device and method for administering oral disinfecting solutions and other medicaments

#100
20130239991
2013-09-19

Composition, system, and method for treating water systems

#101
20130213896
2013-08-22

Methods for treating a ferrous metal substrate

#102
20130213866
2013-08-22

Sustainable system for treating water bodies affected by bacteria and microalgae at low cost

#103
20130098820
2013-04-25

Cartridges for bulk feeders

#104
20130092634
2013-04-18

Floating dispensers

#105
20130048558
2013-02-28

WATER TREATMENT METHOD AND ULTRAPURE WATER PRODUCING METHOD

#106
20130047655
2013-02-28

ATMOSPHERIC WATER GENERATOR

#107
20120263801
2012-10-18

Activated carbon associated with alkaline or alkali iodide

#108
20120199540
2012-08-09

FILTER COMPRISING MULTIPLE HALOGENS AND CHITOSAN

#109
20120160779
2012-06-28

Control of development of biofilms in industrial process water

#110
20120145618
2012-06-14

GRAVITY FEED WATER TREATMENT SYSTEM WITH OXIDATION AND DISINFECTION STEPS

#111
20120087965
2012-04-12

Antimicrobial and antiodor solutions and delivery systems

#112
20120024796
2012-02-02

Sustainable method and system for treating water bodies affected by bacteria and microalgae at low cost

#113
20120024794
2012-02-02

Method and system for treating water used for industrial purposes

#114
20120021062
2012-01-26

Methods for the on-site production of chloramine and uses thereof

#115
20110247986
2011-10-13

Reclamation of formate brines

#116
20110229586
2011-09-22

Control of development of biofilms in industrial process water

#117
20110226706
2011-09-22

Filter comprising a halogen release system and chitosan

#118
20110210076
2011-09-01

Process to maintain large clean recreational water bodies

#119
20110200685
2011-08-18

Methods and compositions for the reduction of pathogenic microorganisms from meat and poultry carcasses, trim and offal

#120
20110195033
2011-08-11

Automated method and system for introducing molecular iodine into drinking water

#121
20110183005
2011-07-28

PROCESS FOR THE PREPARATION OF CONCENTRATED SOLUTIONS OF STABILIZED HYPOBROMITES

#122
20110062067
2011-03-17

Structure to contain a large water body of at least 15,000 m

#123
20110061194
2011-03-17

Suction device for cleaning a bottom surface of a structure of at least 15,000 m

#124
20100307976
2010-12-09

Drinking water purification device

#125
20100300983
2010-12-02

Method for controlling bacterial growth in process water

#126
20100267791
2010-10-21

Method for preventing growth of microorganisms, and a combination for the prevention of microbial growth

#127
20100243550
2010-09-30

Gravitational filter and liquid purification device

#128
20100230365
2010-09-16

Water treatment

#129
20100219082
2010-09-02

METHOD AND INTEGRAL SYSTEM FOR TREATING WATER FOR COOLING TOWERS AND PROCESSESS REQUIRING REMOVAL OF SILICA FROM THE WATER

#130
20100218844
2010-09-02

Method and apparatus for changeover of container in a fluid dispenser

#131
20100193422
2010-08-05

AIR OR WATER FILTRATION AND REMEDIATION SYSTEM

#132
20100187175
2010-07-29

Treatment of water with hypobromite solution

#133
20100178356
2010-07-15

Composition and method for enhanced sanitation and oxidation of aqueous systems

#134
20100133194
2010-06-03

WATER TREATMENT SYSTEMS WITH DUAL PURPOSE ION EXCHANGE RESIN

#135
20100096340
2010-04-22

Control of development of biofilms in industrial process water

#136
20100074858
2010-03-25

Iodinated resin manufacturing process and product

#137
20100032358
2010-02-11

MODULAR WATER PURIFICATION UNIT

#138
20100006513
2010-01-14

Method, device and system for water treatment

#139
20100006505
2010-01-14

FILTER WITH IODINATED RESIN AND FILTER LIFE INDICATOR

#140
20090311164
2009-12-17

METHOD FOR PRODUCING A STABLE OXIDIZING BIOCIDE

#141
20090272698
2009-11-05

Bromate suppression

#142
20090246295
2009-10-01

Preparation of concentrated aqueous bromine solutions and biocidal applications thereof

#143
20090200246
2009-08-13

ION enhancement

#144
20090178587
2009-07-16

Control of biofilms in industrial water systems

#145
20090175962
2009-07-09

Process for the preparation of concentrated solutions of stabilized hypobromites

#146
20090159519
2009-06-25

Microbiological control in aqueous systems

#147
20090145857
2009-06-11

Composition and process for enhanced sanitation and oxidation of aqueous systems

#148
20090142417
2009-06-04

PROCESS FOR THE PREPARATION OF CONCENTRATED SOLUTIONS OF STABILIZED HYPOBROMITES

#149
20090117202
2009-05-07

Formulations containing a non-oxidative biocide and a source of active halogen and use thereof in water treatment

#150
20090107923
2009-04-30

Process and compositions for the disinfection of waters

#151
20090092673
2009-04-09

Biocide

#152
20090053327
2009-02-26

Concentrated aqueous bromine solutions and their preparation

#153
20090050575
2009-02-26

Control of development of biofilms in industrial process water

#154
20090047208
2009-02-19

Method of forming hypobromous acid in aqueous system

#155
20090008339
2009-01-08

System for providing a chemical to a fluid

#156
20080296233
2008-12-04

Process control oxidation

#157
20080279964
2008-11-13

Biofouling control

#158
20080230094
2008-09-25

METHOD TO INHIBIT GROWTH OF MICROORGANISMS IN AQUEOUS SYSTEMS AND ON SUBSTRATES USING PERSULFATE AND A BROMIDE

#159
20080223772
2008-09-18

Purification Device

#160
20080210641
2008-09-04

Method for controlling bacterial growth in process water

#161
20080207471
2008-08-28

Using oxidizing agents to remove thiocyanates from brines

#162
20080203034
2008-08-28

Method of Inhibiting the Growth of Microorganisms

#163
20080156740
2008-07-03

METHOD FOR PRODUCING A STABLE OXIDIZING BIOCIDE

#164
20080156739
2008-07-03

Ion enhancement

#165
20080121592
2008-05-29

Systems and methods for cleaning liquid carriers related applications data

#166
20080116142
2008-05-22

Process to maintain large clean recreational water bodies

#167
20080095862
2008-04-24

Biocide

#168
20080095812
2008-04-24

Systems providing antimicrobial activity to an environment

#169
20080047904
2008-02-28

Treatment for Hydrostatic Testing Water

#170
20080011662
2008-01-17

Compositions and methods for fluid purification

#171
20080003305
2008-01-03

Process and compositions for the disinfection of waters

#172
20070246419
2007-10-25

Compositions and methods for fluid purification

#173
20070237868
2007-10-11

Microbiological control in poultry processing

#174
20070187336
2007-08-16

Reservoir management system

#175
20070163966
2007-07-19

Food processing effluent refurbishing system and method

#176
20070141973
2007-06-21

Microbiological Control in Poultry Processing

#177
20070119787
2007-05-31

Water cleaning method and apparatus using trace quantities of zinc and at least one other biocide

#178
20070114186
2007-05-24

METHOD OF AERATING WATER TO PROMOTE OXIDATION OF AN IODINE-RELATED SPECIES

#179
20070098817
2007-05-03

Biofouling control

#180
20070089494
2007-04-26

Methods for monitoring fouling of aqueous systems including enhanced heat exchanger tubes

#181
20070081573
2007-04-12

Process for inhibiting biofilm formation on and/or removing biofilm from an enhanced tube

#182
20070068875
2007-03-29

COMBINING WATERBORNE BIONUTRIENTS WITH SCALE PARTICLES AND USE OF A WATERBORNE PARTICLE REMOVER TO REMOVE THE COMBINED PARTICLES FROM THE WATER

#183
20070029262
2007-02-08

Combining waterborne bionutrients with scale particles and use of a waterborne particle remover to remove the combined particles from the water

#184
20070025413
2007-02-01

Apparatuses and systems for monitoring fouling of aqueous systems including enhanced heat exchanger tubes

#185
20070023357
2007-02-01

Methods for controlling and removing bacterial cell membrane fragments from turbulent waters

#186
20070017878
2007-01-25

System for providing a chemical to a fluid

#187
20060289349
2006-12-28

Composite materials for fluid treatment

#188
20060278586
2006-12-14

Highly concentrated, biocidally active compositions and aqueous mixtures and methods of making the same

#189
20060254987
2006-11-16

Process control oxidation

#190
20060188429
2006-08-24

Highly concentrated bromine compositions and methods of preparation

#191
20060180550
2006-08-17

Portable water purifier

#192
20060138058
2006-06-29

Control of development of biofilms in industrial process water

#193
20060108294
2006-05-25

Sewer system

#194
20060108270
2006-05-25

Sewage treatment apparatus and method thereof

#195
20060096925
2006-05-11

Water conversion device

#196
20060051284
2006-03-09

Process for the preparation of concentrated solutions of stabilized hypobromites

#197
20060049115
2006-03-09

Recreational spa including a bromine generator

#198
20060043011
2006-03-02

Biocide

#199
20060032823
2006-02-16

Disinfection of reverse osmosis membrane

#200
20060027507
2006-02-09

Ballast water treatment system and method without off-gas

#201
20060021951
2006-02-02

Ozone retention method and system

#202
20060006122
2006-01-12

Process control oxidation

#203
20060006118
2006-01-12

Method for controlling bacterial growth in process water

#204
20050271779
2005-12-08

Microbiological control in poultry processing

#205
20050266097
2005-12-01

Quatrepolymer Tablet

#206
20050249694
2005-11-10

Methods and articles for maintaining hydantoinylated polymers in a biocidally active state

#207
20050242043
2005-11-03

Method for removing oocysts from water

#208
20050194324
2005-09-08

Process and compositions for the disinfection of waters

#209
20050182117
2005-08-18

Microbiological control in poultry processing

#210
20050167369
2005-08-04

Ozone injection method and system

#211
20050155936
2005-07-21

Halogen-enhanced oxidizing composition

#212
20050147696
2005-07-07

Concentrated aqueous bromine solutions and their preparation and use

#213
20050147528
2005-07-07

Method of controlling the growth of microorganisms

#214
20050109704
2005-05-26

Potable water delivery system with disinfection and residual discharge unit and method

#215
20050104034
2005-05-19

Methods and articles for maintaining hydantoinylated polymers in a biocidally active state

#216
20050100643
2005-05-12

Microbiological control in poultry processing

#217
20050061197
2005-03-24

Control of biofilms in industrial water systems

#218
20050035066
2005-02-17

Combining a solvent-activated reactor and a halogen for enhanced oxidation

#219
20050035065
2005-02-17

Composition including potassium monopersulfate and a halogen

#220
20050011839
2005-01-20

Water treatment apparatus and method

#221
15609452
2018-04-10

Chloroperoxidase-catalyzed degradation of pharmaceutical pollutants in wastewater

#222
14504579
2017-07-11

Compositions, methods, and systems for reducing contamination