ClassID:

86307

C02F1/72 - page 3 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by oxidation

Recent Application in this class:
#601
20060186051
2006-08-24

High efficiency ion exchange system and method for removing chromium from water

#602
20060186040
2006-08-24

Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

#603
20060175265
2006-08-10

Coated microbubbles for treating an aquifer or soil formations

#604
20060175254
2006-08-10

Systems and methods for treatment of liquid solutions for use with livestock operations

#605
20060151400
2006-07-13

Biosolids stabilization process

#606
20060144801
2006-07-06

Device and process for treating cutting fluids using ultrasound

#607
20060133969
2006-06-22

Exhaust system for a lean burn internal combustion engine

#608
20060096921
2006-05-11

Process for removal of impurities from an oxidizer purge stream

#609
20060091046
2006-05-04

Recycled irrigation water treatment system including reverse osmosis

#610
20060086673
2006-04-27

Gravity pressure vessel and related apparatus and methods

#611
20060081541
2006-04-20

Water treatment processes and devices utilizing hydrodynamic cavitation

#612
20060043026
2006-03-02

Method and apparatus for fluid purification

#613
20060032821
2006-02-16

Treatment of iron contaminated liquids with an activated iron solids (AIS) process

#614
20060021942
2006-02-02

Continuous ammonium removal systems

#615
20060016766
2006-01-26

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

#616
20060016763
2006-01-26

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

#617
20060016762
2006-01-26

Process for treating waste from the production of energetics

#618
20060006122
2006-01-12

Process control oxidation

#619
20060006120
2006-01-12

Method of preventing hydrogen sulfide odor generation in an aqueous medium

#620
20050279714
2005-12-22

Wet oxidation method

#621
20050279713
2005-12-22

System and method for dissolving gases in liquids

#622
20050271575
2005-12-08

Methods of synthesizing a ferrate oxidant and its use in ballast water

#623
20050242011
2005-11-03

Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

#624
20050242010
2005-11-03

Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

#625
20050227875
2005-10-13

Method of reclaiming a well completion brine solutions using an organic chelant

#626
20050224409
2005-10-13

System for controlling sulfide generation

#627
20050199483
2005-09-15

System and method for the on-demand on-line treatment of water

#628
20050194324
2005-09-08

Process and compositions for the disinfection of waters

#629
20050171390
2005-08-04

Wet oxidation process and system

#630
20050167367
2005-08-04

Catalytic activated carbon for removal of chloramines from water

#631
20050161404
2005-07-28

High efficiency ion exchanges system for removing contaminants from water

#632
20050150843
2005-07-14

Method for treatment of liquids, in particular, for purification of contaminated water

#633
20050145574
2005-07-07

Method of treating mine drainage

#634
20050139548
2005-06-30

Extraction and oxidation process

#635
20050137118
2005-06-23

System for maintaining pH and sanitizing agent levels of water in a water feature

#636
20050133455
2005-06-23

Process for removing arsenic from drinking water

#637
20050131085
2005-06-16

Method of purifying Fischer-Tropsch derived water

#638
20050115908
2005-06-02

Coagulation treatment apparatus

#639
20050109710
2005-05-26

Contamination purification system

#640
20050109709
2005-05-26

Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals

#641
20050109210
2005-05-26

Solution and method for scavenging sulphur compounds

#642
20050098504
2005-05-12

Oil and gas well fracturing (frac) water treatment process

#643
20050089805
2005-04-28

Material and method for treating photographic effluents

#644
20050089458
2005-04-28

Refrigeration purifiers

#645
20050077245
2005-04-14

Method for stabilizing and conditioning urban and industrial wastewater sludge

#646
20050077242
2005-04-14

Soil decontamination method

#647
20050064599
2005-03-24

Waste material handling, sampling and metal content value calculation

#648
20050056598
2005-03-17

Method for treating recalcitrant organic compounds

#649
20050053543
2005-03-10

Method for preparing alkali metal ferrates and novel alkali metal ferrate granules

#650
20050046055
2005-03-03

Environmental remediation method and apparatus

#651
20050045544
2005-03-03

Environmental remediation apparatus

#652
20050042155
2005-02-24

Apparatus for synthesizing an oxidant

#653
20050042129
2005-02-24

Method and apparatus for irradiating fluids

#654
20050016935
2005-01-27

Coated microbubbles for treating an aquifer or soil formations

#655
20050016164
2005-01-27

Exhaust line for an internal combustion engine

#656
20050006313
2005-01-13

Device and process for treating cutting fluids using ultrasound

#657
19094770
2026-04-28

Process for dissociating, chelating, and dissolving solids, suspended solids, and bacteria, harvesting and liberating oxygen bound to other substances, and preventing dissolved solids from precipitating and reprecipitating in oil separation systems

#658
19082480
2026-01-20

Integrated method and apparatus for treatment of produced water

#659
17479222
2024-12-03

Method of preparing potable water

#660
17135984
2021-10-26

Method for efficiently producing PHA

#661
16601783
2020-06-30

Water purification system

#662
16599314
2020-06-23

Coated porous substrates for oil and gas or chemical processing wastewater treatment

#663
16501510
2020-03-03

De-scaling: The critical key to effective desalination

#664
16455383
2021-01-05

Water purification system

#665
16388594
2021-11-16

Removing sulphur-based contaminants and nitrogen-based contaminants from water streams

#666
15870668
2019-06-04

Double coil effluent dispersal apparatus and method

#667
15196173
2017-02-28

Methods for managing sulfide in wastewater systems

#668
15066811
2019-03-19

Corrugated and slotted injection system and method of use

#669
14837859
2017-06-27

Ceramic micro-porous water aeration diffuser

#670
14723643
2016-07-26

Methods for managing sulfide in wastewater systems

#671
14561537
2015-06-30

Methods for managing sulfide in wastewater systems

#672
14333988
2016-08-09

Chemical oxidation method and compounds

#673
14274682
2018-07-10

Method for treating condensed vapor streams containing odorous compounds

#674
14185028
2018-01-30

Pretreatment solution for water recovery systems

#675
13916988
2014-10-14

Method for reducing contamination

#676
12804643
2016-11-22

Technologies, functions, and applications of SCIMIST