ClassID:

86298

C02F1/681 - 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 solid materials for removing an oily layer on water

Recent Application in this class:
#1
20250230077
2025-07-17

SURFACE SLICK CLEANUP USING FATTY ACID SALTS

#2
20250154036
2025-05-15

COMPOSITIONS AND METHODS OF USE FOR ENHANCED SOIL REMOVAL AND FAT, OIL, AND GREASE REDUCTION IN DRAIN PRODUCTS AND DISCHARGES INTO WATER SOURCES

#3
20250091107
2025-03-20

Compositions and Methods for Cleaning Contaminated Solids and Liquids

#4
20250001394
2025-01-02

Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields

#5
20240424479
2024-12-26

Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields

#6
20240424478
2024-12-26

Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields

#7
20240318449
2024-09-26

Floating Oil Absorption Apparatus and Method

#8
20240116787
2024-04-11

PRODUCED WATER ANTIFOULANT COMPOSITIONS AND METHODS

#9
20240076215
2024-03-07

FILTER FOR CONTROLLING PH OF PURIFIED WATER AND WATER PURIFIER INCLUDING THE SAME

#10
20230330727
2023-10-19

Compositions and methods for cleaning contaminated solids and liquids

#11
20220088567
2022-03-24

PRODUCT FOR OIL POLLUTION REMEDIATION

#12
20210340420
2021-11-04

Lignin composition, methods of making and using the composition for adsorption onto petrochemical oil and oil removal

#13
20210162476
2021-06-03

Compositions and methods for cleaning contaminated solids and liquids

#14
20200346949
2020-11-05

Electromagnetic pulsed-wave system

#15
20200324274
2020-10-15

Carbon-based substance for removing saturated and non-saturated fats, petroleum and petroleum products from a water surface and/or water emulsion

#16
20200262720
2020-08-20

RUBBER-BASED SUBSTANCE FOR REMOVING SATURATED AND UNSATURATED FATS, OIL AND PETROLEUM PRODUCTS, AS WELL AS ORGANIC SOLVENTS

#17
20200109072
2020-04-09

Methods of synthesizing three-dimensional heteroatom-doped carbon nanotube macro materials and compositions thereof

#18
20200016572
2020-01-16

Product for oil pollution remediation

#19
20190338326
2019-11-07

DNA constructs and biological devices for producing carbo sugars

#20
20190256375
2019-08-22

COLLOIDAL SILICA ADDITION TO PROMOTE THE SEPARATION OF OIL FROM WATER

#21
20190241580
2019-08-08

C5 sugar based gelators for oil spills

#22
20190225516
2019-07-25

Methods of synthesizing three-dimensional heteroatom-doped carbon nanotube macro materials and compositions thereof

#23
20190127619
2019-05-02

FOAM COMPOSITIONS FOR SELECTIVE RECOVERY OF OIL SPILLS AND OTHER APPLICATIONS

#24
20190106399
2019-04-11

Mannitol based gelators for oil spillage applications

#25
20190091654
2019-03-28

HIGHLY ABSORBENT AND ABSORBENT CAPILLARY HYDROPHOBIC POLYMER AND CORRESPONDING MANUFACTURING PROCESS

#26
20190031538
2019-01-31

Electromagnetic pulsed-wave system for oil manipulation

#27
20190022554
2019-01-24

Quality improvement of oily wastewater

#28
20180361444
2018-12-20

Compositions and methods for cleaning contaminated solids and liquids

#29
20180296942
2018-10-18

APPARATUS AND METHODS FOR REMOVING CONTAMINANTS FROM A LIQUID

#30
20180280928
2018-10-04

Integral 3D graphene-carbon hybrid foam

#31
20180277279
2018-09-27

Graphene Containing Composition, Multilayered Hydrogen Graphene Composition, Method of Making Both Compositions, and Applications of Both Compositions

#32
20180264380
2018-09-20

Water absorbing and releasing body for engine oil, automotive parts including water absorbing and releasing body, and method for producing water absorbing and releasing body for engine oil

#33
20180071726
2018-03-15

Methods of treatment and use of spent equilibrium catalyst

#34
20180071715
2018-03-15

Absorbent element, assembly and fabrication process

#35
20180066014
2018-03-08

Molecular gelators for containing oil spillage

#36
20170349798
2017-12-07

FOAM COMPOSITIONS FOR SELECTIVE RECOVERY OF OIL SPILLS AND OTHER APPLICATIONS

#37
20170260072
2017-09-14

Method and devices for de-emulsifying and complexing organic compounds in emulsions

#38
20170247481
2017-08-31

Separation of oil-water mixtures using nanotechnology

#39
20170157534
2017-06-08

APPARATUS AND METHODS FOR REMOVING CONTAMINANTS FROM A LIQUID

#40
20170080404
2017-03-23

Polyolefin interpenetrated network material for hydrocarbon recovery

#41
20170066896
2017-03-09

Capillary foams, methods of making thereof, and uses thereof including for mitigation of oil spills

#42
20170036190
2017-02-09

SUPERHYDROPHOBIC SPONGE AS AN EFFICIENT OIL ABSORBENT MATERIAL FOR OIL SPILL CLEANUP APPLICATIONS

#43
20170028380
2017-02-02

Sol-gel derived compositions

#44
20160362590
2016-12-15

FOAM COMPOSITIONS FOR SELECTIVE RECOVERY OF OIL SPILLS AND OTHER APPLICATIONS

#45
20160355715
2016-12-08

Methods and materials for hydrocarbon recovery

#46
20160311002
2016-10-27

Compositions and methods for cleaning contaminated solids and liquids

#47
20160263552
2016-09-15

Modified hydrophobic sponges

#48
20160256905
2016-09-08

Hydrocarbon sorbent materials

#49
20160200602
2016-07-14

Porous oil binder and method for the production thereof

#50
20160194440
2016-07-07

Polycarbonate resin usable as oil-adsorbing material

#51
20160175807
2016-06-23

Aluminized silicious powder and water purification device incorporating same

#52
20160146395
2016-05-26

Electromagnetic boom and environmental cleanup application for use in conjunction with magnetizable oil

#53
20160114311
2016-04-28

Sorbent material and a method for enhancing sorption performance thereof

#54
20160017560
2016-01-21

Contraction and confinement of oil slicks on water, including water where ice is present, using non-ionic surfactants

#55
20150367325
2015-12-24

Modified hydrophobic sponges

#56
20150315760
2015-11-05

Spill removal method and system

#57
20150275452
2015-10-01

Filter boom using carbon nanotubes

#58
20150191368
2015-07-09

Polysaccharide microgels for cleaning water of petroleum and petroleum products and method for using same (variants)

#59
20150183661
2015-07-02

Methods for adsorption and biodegradation of petroleum

#60
20150129472
2015-05-14

Fiber Mats Coated with Nanogrid Visible Spectrum Photocatalysts

#61
20150122718
2015-05-07

Floatable oil absorber

#62
20150034554
2015-02-05

Surface-treated calcium carbonate for binding and bioremediating hydrocarbon-containing compositions

#63
20150034549
2015-02-05

Feather oil absorbent boom structure

#64
20150008188
2015-01-08

Electromagnetic boom and environmental cleanup application for use in conjunction with magnetizable oil

#65
20150001153
2015-01-01

Using polymer particles for oil recovery

#66
20140371060
2014-12-18

Foam Compositions for Selective Recovery of Oil Spills and Other Applications

#67
20140332473
2014-11-13

Multistage filtrating pre-treatment for desalination of oilfield produced water

#68
20140319062
2014-10-30

Process for the synthesis of magnetically recoverable, high surface area carbon-FeOnano-composite using metal organic framework (MOF)

#69
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

#70
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

#71
20140224733
2014-08-14

Colloidal silica addition to promote the separation of oil from water

#72
20140166575
2014-06-19

Oil emulsification and polycyclic aromatic hydrocarbon adsorption using fine particles as dispersants

#73
20140144842
2014-05-29

Methods to recover and reclaim hydrocarbons or hydrophobic substances in an aqueous environment

#74
20140141969
2014-05-22

Process for preparing absorbent material for apolar compounds or mixtures

#75
20140124427
2014-05-08

Floatable oil absorber, its uses, and its method of manufacture

#76
20140001123
2014-01-02

Aluminized silicious powder and water purification device incorporating same

#77
20130287641
2013-10-31

Apparatus for removing impurities from aqueous fluids using magnetic extractants

#78
20130284968
2013-10-31

Porous magnetic sorbent

#79
20130277314
2013-10-24

Magnetic extractants, method of making and using the same

#80
20130277293
2013-10-24

Apparatus for removing impurities from aqueous fluids using magnetic extractants

#81
20130228524
2013-09-05

Processes for recovering organic solvent extractant from solid-stabilized emulsions formed in hydrometallurgical solvent extraction circuits

#82
20130126435
2013-05-23

ENVIRONMENTAL REMEDIATION USING LIGNIN

#83
20130116339
2013-05-09

Method of magnetizing natural and synthetic aluminosilicates

#84
20130040803
2013-02-14

Method of forming functionalized fly ash particles

#85
20130029843
2013-01-31

Sol-gel derived compositions

#86
20130026093
2013-01-31

Method for removing ionic species contained in an aqueous phase using a sol gel composite material

#87
20130020078
2013-01-24

Oil recovery process

#88
20120292256
2012-11-22

Hydrophobic materials made by vapor deposition coating and applications thereof

#89
20120238021
2012-09-20

Methods of synthesizing three-dimensional heteroatom-doped carbon nanotube macro materials and compositions thereof

#90
20120211428
2012-08-23

Magnetic colloid petroleum oil spill clean-up of ocean surface, depth, and shore regions

#91
20120193288
2012-08-02

Organic oil boom

#92
20120172215
2012-07-05

Oil adsorbent and method of manufacturing oil adsorbent

#93
20120145637
2012-06-14

Magnetic extractants, method of making and using the same

#94
20120138539
2012-06-07

Method and Apparatus For Extraction of Hydrocarbons From a Body of Water Using Recovery Particle Binding

#95
20120111798
2012-05-10

Process and Means for Treatment of an Oil Spill

#96
20120111797
2012-05-10

RENEWABLE OIL ABSORBENT AND METHOD THEREOF

#97
20120111779
2012-05-10

Liquid-level following type suction apparatus and floating oil collecting system having the same

#98
20120074067
2012-03-29

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

#99
20120061326
2012-03-15

Method for the Environmental Remediation of Oil Spills and Other Chemical Contaminants

#100
20120061323
2012-03-15

Light weight oriented net assembly for oil capture and containment

#101
20120048811
2012-03-01

Sub-surface hydrocarbon capture apparatus and method

#102
20120048807
2012-03-01

Adsorbent Product for the Removal of Hydrocarbon Pollutants, and Method for Removing Hydrocarbon Pollution, In Particular at the Surface of the Water, Using Said Product

#103
20120048789
2012-03-01

Apparatus and method for recovery of sub-surface oil pollution

#104
20120046419
2012-02-23

Methods and materials for hydrocarbon recovery

#105
20120037717
2012-02-16

DISPERSING DEVICE, ITS USE AND CORRESPONDING METHOD FOR PULVERIZED SPREADING A PHYSICAL AGENT

#106
20120032369
2012-02-09

METHOD FOR MAKING HYDROPHOBIC ORGANIC FIBER AND PARTICULATE FOR SORBING LIQUID HYDROCARBONS

#107
20120032111
2012-02-09

Sol-gel derived sorbent material containing a sorbate interactive material and method for using the same

#108
20120031846
2012-02-09

Method for collecting oil with modified clay

#109
20120024769
2012-02-02

METHOD FOR COLLECTING MATTER WITH A MATTER COLLECTION UNIT

#110
20120018385
2012-01-26

RECOVERING HYDROCARBONS

#111
20120012535
2012-01-19

OIL SKIMMER CONVEYOR

#112
20120009017
2012-01-12

OIL SPILL RECLAMATION SYSTEM

#113
20120006761
2012-01-12

ABSORBENT MATERIAL AND METHOD FOR USING SAME

#114
20120006753
2012-01-12

Functionalized fly ash and oil scavenging using the same

#115
20110315637
2011-12-29

Methods to recover and reclaim hydrocarbons or hydrophobic substances in an aqueous environment

#116
20110315628
2011-12-29

System and method for capturing and bioremediating hydrocarbon pollutants using dynamic filters

#117
20110309026
2011-12-22

Electromagnetic boom and environmental cleanup application for use in conjunction with magnetizable oil

#118
20110303620
2011-12-15

Superoleophobic and superhydrophilic fabric filters for rapid water-oil separation

#119
20110297619
2011-12-08

HYDROCARBON ABSORBING APPARATUSES AND METHODS OF PREPARING AND USING THE SAME

#120
20110293374
2011-12-01

Oil-absorbent polyurethane sponges with good mechanical properties

#121
20110287929
2011-11-24

Foam compositions for selective recovery of oil spills and other applications

#122
20110280660
2011-11-17

CHEMICAL SORBENT ARTICLE

#123
20110192799
2011-08-11

Sorbent Compositions

#124
20110124944
2011-05-26

Process for incorporating a dry treatment product into a liquid waste

#125
20100320151
2010-12-23

Method for collecting or containing an oil spill

#126
20100314321
2010-12-16

Spill control material and method of use

#127
20100294308
2010-11-25

Absorption of organic liquids using inorganic particulates

#128
20100287980
2010-11-18

Environmentally-neutral processing with condensed phase cryogenic fluids

#129
20100254856
2010-10-07

Swellable sol-gels, methods of making, and use thereof

#130
20100137126
2010-06-03

MIXED PRODUCT

#131
20100113856
2010-05-06

APPARATUS AND METHOD FOR REMEDIATION OF AQUEOUS SOLUTIONS

#132
20100096334
2010-04-22

Swellable materials and methods of use

#133
20100043487
2010-02-25

Environmentally-neutral processing with condensed phase cryogenic fluids

#134
20090312229
2009-12-17

Method and device for manufacturing materials from hydrophobic hollow natural fibres, and use thereof

#135
20090283478
2009-11-19

METHOD AND SYSTEM FOR A REGENERATIVE PARTICLE TRAP STRUCTURE LOADED AND UNLOADED WITH ACTIVE MATERIALS BY WAY OF A FLOW STREAM

#136
20090258783
2009-10-15

Enhanced Material for Treatment of Contamination

#137
20090250399
2009-10-08

Methods of utilizing recycled rubber

#138
20090149690
2009-06-11

Method of containing a spill

#139
20090120872
2009-05-14

COMPOSITION AND BIOREMEDIATION METHOD FOR WATER POLLUTED BY HYDROCARBONS

#140
20090057217
2009-03-05

Apparatus for contaminant recovery

#141
20090045148
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#142
20090045123
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#143
20090045118
2009-02-19

Environmentally neutral processing with condensed phase cryogenic fluids

#144
20090045117
2009-02-19

ENVIRONMENTALLY-NEUTRAL PROCESSING WITH CONDENSED PHASE CRYOGENIC FLUIDS

#145
20090045115
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#146
20090044842
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#147
20090044841
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#148
20090044840
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#149
20090044546
2009-02-19

Environmentally-neutral processing with condensed phase cryogenic fluids

#150
20090001022
2009-01-01

Oil removal reclamation clarifier system and process for use

#151
20080312122
2008-12-18

Agent for treating oil-polluted ground, and for cleaning oil-contaminated surfaces and containers

#152
20080223792
2008-09-18

Apparatus for the incorporation of a dry treatment product into a liquid waste

#153
20080217228
2008-09-11

Oil-water separator

#154
20080211140
2008-09-04

Method of manufacture of three-dimensional objects for absorption of hydrocarbons and low-polarity chemicals

#155
20080203031
2008-08-28

Foam Composite for Absorption of Hydrocarbon and Process for Making Same

#156
20080190856
2008-08-14

Sorbent Composition

#157
20080164221
2008-07-10

TUBE SOCK INCORPORATING MULTI-LAYER FILTER FOR ENABLING WASTE WATER DISCHARGE DIRECTLY INTO ENVIRONMENT

#158
20080093287
2008-04-24

Water pollution prevention and remediation apparatus

#159
20080017593
2008-01-24

OIL RECOVERY AND ENVIRONMENTAL CLEANUP COMPOSITIONS

#160
20070267350
2007-11-22

Pumice stone with a carbon content, process for its production and its applications

#161
20070241059
2007-10-18

Method for treatment of oil to facilitate its subsequent removal

#162
20070227977
2007-10-04

Method and device to remediate oil spill

#163
20070125714
2007-06-07

Processes for removing oil from solid wellbore materials and produced water

#164
20070122333
2007-05-31

Ion separation using a surface-treated xerogel

#165
20070112242
2007-05-17

Swellable sol-gels, methods of making, and use thereof

#166
20070090054
2007-04-26

Mitigation of environmental pollution

#167
20070084798
2007-04-19

Oil-water separator

#168
20070068685
2007-03-29

METHOD AND APPARATUS FOR REMOVING OIL SPILLS AND EXTINGUISHING FIRES

#169
20060225883
2006-10-12

Self-leaving in-situ device and method for passively removing oil from water wells

#170
20060113253
2006-06-01

Oil-water separator

#171
20060065606
2006-03-30

Modular wastewater remediation system and method of using

#172
20060049108
2006-03-09

Reusable sorbing coalescing agent

#173
20060032820
2006-02-16

Processes for removing oil from solid wellbore materials and produced water

#174
20060032804
2006-02-16

Compositions, devices, and methods for use in environment remediation

#175
20050252861
2005-11-17

Apparatus and method for oil spill recovery

#176
20050236315
2005-10-27

Compositions, devices, and methods for use in environmental remediation

#177
20050236311
2005-10-27

Manually controlled skimming of industrial oil contaminants

#178
20050230302
2005-10-20

Filtration and plug drain device for containing oil and chemical spills

#179
20050211642
2005-09-29

Filtering medium and use of the said filtering medium for pollution removal from lagoons

#180
20050161407
2005-07-28

Compositions, devices, and methods for use in environmental remediation

#181
20050151289
2005-07-14

Sack-based processes for recovering oil floating on water

#182
20050139550
2005-06-30

Oil spill recovery method using surface-treated iron powder

#183
20050133464
2005-06-23

Apparatus and process for taking up particles from a water surface

#184
20050126977
2005-06-16

Cleaning device for use with a floating member

#185
20050104028
2005-05-19

Oil recovery and environmental cleanup compositions comprising a polyethylene/vinyl acetate copolymer

#186
20050008859
2005-01-13

Method for the preparation of aggregates

#187
20050000872
2005-01-06

Reusable storm water sampler and pollutant filter insert

#188
18612504
2025-01-14

Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields

#189
18212034
2024-04-30

Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields

#190
17690049
2024-01-30

Lignin floccules as cleaning agents for oil-contaminated materials

#191
15977918
2020-08-18

Demulsification compound and method for oil separation from waste streams

#192
15959074
2018-11-20

Hydrophobic nanoparticle compositions for crude oil collection

#193
14456912
2016-08-02

Compositions and methods for cleaning contaminated solids and liquids