ClassID:

86299

C02F1/682 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of chemical compounds for dispersing an oily layer on water

Recent Application in this class:
#1
20250262567
2025-08-21

METHODS FOR MITIGATING PRODUCED WATER COOLER FOULING

#2
20250161843
2025-05-22

POLYETHYLENIMINE AS A NEW EMULSION BREAKER FOR QUENCH WATER SYSTEMS

#3
20250136489
2025-05-01

METHOD FOR BIOLOGICALLY TREATING PERSISTENT ORGANIC WASTE WATER CONTAINING OIL COMPONENT INCLUDING HIGHER FATTY ACID AND THICKENING POLYSACCHARIDE

#4
20250084321
2025-03-13

COMPOSITION AND METHOD FOR IMPROVED DESALTER BRINE QUALITY

#5
20250011651
2025-01-09

OIL DISPERSANT FORMULATION, METHODS AND USES THEREOF

#6
20240182328
2024-06-06

STABLE PERCARBOXYLIC ACID COMPOSITIONS AND USES THEREOF

#7
20230191286
2023-06-22

COMPOSITIONS AND RELATED KITS AND METHODS FOR WATER TREATMENT

#8
20220364000
2022-11-17

CRUDE OIL DEMULSIFIER COMPOSITIONS AND USES THEREOF

#9
20220298038
2022-09-22

A METHOD FOR DISRUPTING BIOFILMS IN WASTEWATER SYSTEMS

#10
20220290023
2022-09-15

Composition for Temporarily-Hydrophobic and Oil-Absorbent Bioremediation Agent

#11
20220282167
2022-09-08

Composition and method for improved desalter brine quality

#12
20220213659
2022-07-07

Floating-oil recovery device

#13
20220195275
2022-06-23

Biocompatible Oil Herders and Methods of Use

#14
20220169929
2022-06-02

Methods of Using Ionic Liquids as Demulsifiers

#15
20220098494
2022-03-31

Methods of using ionic liquids as corrosion inhibitors

#16
20220073810
2022-03-10

Method for treating production water from the enhanced oil recovery of oil by hydrocyclone in the presence of additives of tetrakis(hydroxymethyl)phosphonium salt type

#17
20220062793
2022-03-03

Polyethylenimine as a new emulsion breaker for quench water systems

#18
20220056345
2022-02-24

IONIC LIQUIDS AND METHODS OF USING SAME

#19
20220041473
2022-02-10

Stable percarboxylic acid compositions and uses thereof

#20
20220032249
2022-02-03

Ionic liquids formulation as an environmentally friendly oil dispersant

#21
20210387877
2021-12-16

Carbon disulfide-modified amine additives for separation of oil from water

#22
20200298144
2020-09-24

Process for separating a hydrophibic material from a mixture of hydrophobic and hydrophilic material

#23
20200017790
2020-01-16

Methods of using ionic liquids as paraffin inhibitors, pour point depressants and cold flow improvers

#24
20190389741
2019-12-26

Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity

#25
20190225510
2019-07-25

Stable percarboxylic acid compositions and uses thereof

#26
20190046948
2019-02-14

Method for reducing or controlling wastewater and pollutant from emulsion polymerization resin production

#27
20180370206
2018-12-27

Method of enhanced treatment of a spilled oil on an oil-spilled contaminated area

#28
20180185802
2018-07-05

Floating Dispersant Paste

#29
20170197842
2017-07-13

Using method of waste silicon slurry and products obtained therefrom

#30
20170158526
2017-06-08

Process for decontamination of hazardous sulfur compounds in oilfield produced waters

#31
20170044035
2017-02-16

OILFIELD WASTEWATER TREATMENT

#32
20160326035
2016-11-10

METHOD FOR DECONTAMINATING CONTAMINATED WATER AND PLASTICS CONTAINER THEREFOR

#33
20160289106
2016-10-06

EMULSION SYSTEMS AND METHODS FOR DELIVERY OF IN-SITU REMEDIATION AMENDMENTS

#34
20160200595
2016-07-14

Stable percarboxylic acid compositions and uses thereof

#35
20150175452
2015-06-25

Method and system for using subsea dispersants

#36
20150159078
2015-06-11

Low interfacial tension surfactants for petroleum applications

#37
20150158065
2015-06-11

Composition and method for hydrocarbon and lipid degradation and dispersal

#38
20150122481
2015-05-07

Systems and methods for de-oiling and total organic carbon reduction in produced water

#39
20140332473
2014-11-13

Multistage filtrating pre-treatment for desalination of oilfield produced water

#40
20140263078
2014-09-18

Fouling mitigation in equipment used during hydrocarbon production

#41
20140251919
2014-09-11

Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity

#42
20140251916
2014-09-11

Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium

#43
20140251564
2014-09-11

Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium

#44
20140110344
2014-04-24

COMPOSITIONS AND METHODS FOR OIL SPILL REMEDIATION

#45
20140097144
2014-04-10

Stable percarboxylic acid compositions and uses thereof

#46
20140076810
2014-03-20

Systems and methods for use of water with switchable ionic strength

#47
20140042099
2014-02-13

Oil Spill Treatment Compositions, Methods of Manufacture, and Methods of Use

#48
20130298946
2013-11-14

PRETREATMENT COMPOSITION AND METHOD

#49
20130274156
2013-10-17

Low interfacial tension surfactants for petroleum applications

#50
20130168324
2013-07-04

Retraction of oil slicks using surfactants

#51
20130157920
2013-06-20

CLEANING, PURIFYING, TREATING, AND EXTRACTING COMPOSITIONS AND ASSOCIATED METHODS FOR UTILIZING THE SAME

#52
20130087507
2013-04-11

Use of cactus mucilage as a dispersant and absorbant for oil in oil-water mixtures

#53
20130075337
2013-03-28

Dispersant for spilled oil

#54
20130075098
2013-03-28

METHODS FOR TREATMENT AND USE OF PRODUCED WATER

#55
20130023457
2013-01-24

LOW INTERFACIAL TENSION SURFACTANTS FOR PETROLEUM APPLICATIONS

#56
20120325734
2012-12-27

Filtration of a pumped hydrocarbon containing liquid

#57
20120285898
2012-11-15

Dispersion of Oil Using Artificially Generated Waves

#58
20120217195
2012-08-30

Deepwater dispersion system and method of using same background

#59
20120211425
2012-08-23

Filtration of hydrocarbon containing liquid

#60
20120156759
2012-06-21

Method and product for decomposing organic compounds

#61
20120118804
2012-05-17

Process for decontamination of hazardous sulfur compounds in oilfield produced waters

#62
20120097609
2012-04-26

METHODS AND SYSTEMS FOR TREATMENT OF AQUEOUS OILY SOLUTIONS

#63
20120074067
2012-03-29

Method of herding and collection of oil spilled at the aquatic surface

#64
20120048809
2012-03-01

Chemicals for oil spill cleanup

#65
20110309028
2011-12-22

Density adjustment by the use of light cycle oil, (LCO), for recovery and reclamation of spilled oil following the 2010 off-shore leak in the gulf

#66
20110272349
2011-11-10

Plant for the treatment and disposal of waste water containing salts and oil and method for the treatment and disposal of waste water containing salts and oil

#67
20110108480
2011-05-12

Purification of oil sands pond water

#68
20110068060
2011-03-24

Waste water treatment systems and methods

#69
20110065612
2011-03-17

Low interfacial tension surfactants for petroleum applications

#70
20100327214
2010-12-30

Biodegradable surface layer film for pools or spas to prevent evaporation and heat loss

#71
20100016452
2010-01-21

Floating dispersant paste

#72
20090305933
2009-12-10

Low interfacial tension surfactants for petroleum applications

#73
20090197978
2009-08-06

METHODS FOR BREAKING CRUDE OIL AND WATER EMULSIONS

#74
20090184055
2009-07-23

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#75
20090095678
2009-04-16

PURIFICATION OF OIL SANDS POND WATER

#76
20080187471
2008-08-07

Biodegradable surface layer film for pools or spas to prevent evaporation and heat loss

#77
20080061003
2008-03-13

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#78
20060289359
2006-12-28

Method of clarifying oily waste water

#79
20050109701
2005-05-26

System and method of gas energy management for particle flotation and separation

#80
20050092671
2005-05-05

Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid