ClassID:

86427

C02F5/14 - CPC Classification

Classification description:

Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents; Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus

Sub-classes:
Recent Application in this class:
#1
20260132062
2026-05-14

SIMULTANEOUS CONTROL OF SCALE, CORROSION, AND HYDROGEN SULFIDE-RELATED ISSUES USING A SINGLE PRODUCT

#2
20260022035
2026-01-22

METHOD FOR OPERATING REVERSE OSMOSIS MEMBRANE DEVICE

#3
20260015271
2026-01-15

METHOD FOR IMPROVING CALCIUM CARBONATE SCALE INHIBITOR EFFICIENCY

#4
20250250480
2025-08-07

RECYCLING CHELATING AGENTS AND METHODS RELATED THERETO

#5
20250019283
2025-01-16

CALCITE SCALE INHIBITORS FOR STRESSED PROCESS CONDITIONS

#6
20240375983
2024-11-14

SCALE INHIBITOR METHODS AND COMPOSITIONS IN SEVERE OPERATING CONDITIONS

#7
20240351930
2024-10-24

FUNCTIONALIZED PHOSPHONATES, AND WATER-SOLUBLE SALTS AND N-OXIDE DERIVATIVES THEREOF, AND METHOD OF USE THEREOF AS SCALE INHIBITOR

#8
20240299716
2024-09-12

SHOWER THERAPY AND FILTER DEVICE

#9
20240246845
2024-07-25

SCALE INHIBITOR COMPOSITIONS AND METHODS WITH SUPRAMOLECULAR STRUCTURES

#10
20240228348
2024-07-11

USE OF POLYMERS OF ACRYLIC ACID FOR SCALE INHIBITION IN DESALINATION SYSTEMS

#11
20230061502
2023-03-02

PROTECTIVE COMPOSITIONS FOR USE IN SYSTEMS COMPRISING INDUSTRIAL WATER

#12
20230056272
2023-02-23

REMOVABLE SCALE COLLECTOR AND INHIBITOR FILTER

#13
20220331742
2022-10-20

SILICA ANTISCALANT COMPOSITION AND METHOD FOR SILICA SCALING INHIBITION IN MEMBRANE APPLICATIONS

#14
20220267181
2022-08-25

Fluorescent-Tagged Treatment Polymers

#15
20220227648
2022-07-21

METHOD OF CONTROLLING CARBONATE SCALE IN AQUEOUS SYSTEMS

#16
20220225643
2022-07-21

Method for operating a pasteurization apparatus

#17
20220073371
2022-03-10

Methods for predicting and monitoring scale formation in industrial water systems

#18
20210395123
2021-12-23

TREATMENT OF IRON SULPHIDE DEPOSITS

#19
20210331942
2021-10-28

Methods for online control of a chemical treatment solution using scale saturation indices

#20
20210221715
2021-07-22

Metal-chelating compositions and their use in methods of removing or inhibiting barium scale

#21
20200377377
2020-12-03

Customizable multi-stage water treatment system

#22
20200354248
2020-11-12

Composition and method for stabilizing iron compounds in an aqueous environment, and use of composition

#23
20200299155
2020-09-24

BIOCIDAL COMPOSITIONS INCLUDING A PHOSPHONIUM QUATERNARY CATIONIC SURFACTANT AND METHODS FOR USING SAME

#24
20200239344
2020-07-30

Composition and method for controlling scale in industrial water systems

#25
20200180987
2020-06-11

Scale control in phosphoric acid production and handling plants

#26
20200032125
2020-01-30

COMBINED USES OF A PHOSPHOROUS COMPOUND FOR IRON SULPHIDE DISSOLUTION AND BACTERIAL CONTROL

#27
20190308897
2019-10-10

Composition and method for inhibiting corrosion

#28
20190177616
2019-06-13

HYDROPHOSPHORYLATED POLYCARBOXYLIC ACIDS AND THEIR SYNERGISTIC COMBINATIONS AS CORROSION AND SCALE INHIBITORS

#29
20190135656
2019-05-09

Customizable multi-stage water treatment system

#30
20190054428
2019-02-21

Functionalized Ceramic Membranes for the Separation of Organics from Raw Water and Methods of Filtration Using Functionalized Ceramic Membranes

#31
20190023595
2019-01-24

Method for treating an effluent supersaturated with calcium carbonate in the presence of phosphonate precipitation-inhibiting products

#32
20180305234
2018-10-25

Scale control in phosphoric acid production and handling plants

#33
20180244553
2018-08-30

Antiscale dispersant composition and use thereof

#34
20180155226
2018-06-07

Multiple uses of amine salts for industrial water treatment

#35
20180118596
2018-05-03

Application and recovery of scale inhibitors in domestic appliances

#36
20180105732
2018-04-19

Composition and method for inhibition of sulfide scales

#37
20180064112
2018-03-08

Treating microbe contamination in water with THP salts and polymeric biopenetrants

#38
20170306506
2017-10-26

Composition and method for inhibiting corrosion and scale

#39
20170297938
2017-10-19

Composition and method for inhibiting corrosion

#40
20170292058
2017-10-12

Process for inhibition of sulphide scales

#41
20170266618
2017-09-21

WATER PRODUCTION METHOD

#42
20170225128
2017-08-10

FUNCTIONALIZED CERAMIC MEMBRANES FOR THE SEPARATION OF ORGANICS FROM RAW WATER AND METHODS OF FILTRATION USING FUNCTIONALIZED CERAMIC MEMBRANES

#43
20170182466
2017-06-29

PROCESS FOR INHIBITING SCALE FORMATION WITH UV LIGHT

#44
20170129797
2017-05-11

Process for the treatment of a flow of waste water by low-pressure filtration

#45
20170037295
2017-02-09

SYNERGISTIC CHEMISTRY TO PREVENT SILICATE SCALING

#46
20170001894
2017-01-05

Metal silicate and organic deposit inhibitor/dispersant for thermal recovery operations of hydrocarbon fuels

#47
20160326037
2016-11-10

Use of phosphotartaric acid and the salts thereof for the treatment of water in water-conducting systems

#48
20160244337
2016-08-25

Customizable multi-stage water treatment system

#49
20160229726
2016-08-11

Use of phosphino polymer and polyhydroxypolycarboxylic acid as corrosion inhibitor

#50
20150175460
2015-06-25

Tagged scale inhibitor compositions and methods of inhibiting scale

#51
20150144556
2015-05-28

ANTISCALANT COMPOUND AND METHODS OF MAKING AND USING THE SAME

#52
20150076074
2015-03-19

SYNERGISTIC SILICA SCALE CONTROL

#53
20150018265
2015-01-15

Formulation of a ware washing solid controlling hardness

#54
20140338915
2014-11-20

Particles containing one or more controlled release cross-linked active agents

#55
20140332471
2014-11-13

Pentaerythritol core, phosphonic acid terminated dendrimer and its preparation method

#56
20140332470
2014-11-13

Trimethylolpropane core, phosphonic acid terminated dendrimer and its preparation method

#57
20140319064
2014-10-30

Ethylenediamine core, octamethylenephosphonic acid terminated, PAMAM dendrimer and its use as antiscalant

#58
20140291241
2014-10-02

Functionalized ceramic membranes for the separation of organics from raw water and methods of filtration using functionalized ceramic membranes

#59
20140131289
2014-05-15

Customizable multi-stage water treatment system

#60
20140131283
2014-05-15

Multiple uses of amine salts for industrial water treatment

#61
20140100142
2014-04-10

TRACEABLE POLYMERIC SCALE INHIBITORS AND METHODS OF USING SUCH SCALE INHIBITORS

#62
20140083949
2014-03-27

Scale inhibition method and geothermal power generating device

#63
20130334141
2013-12-19

Method and composition for operation of evaporative cooling towers at increased cycles of concentration

#64
20130315812
2013-11-28

Process for removing hydrazine from hydroxlyamine solutions

#65
20130299432
2013-11-14

Sulfate Scale Control In Low PH Aqueous Systems

#66
20130274168
2013-10-17

High alkaline detergent composition with enhanced scale control

#67
20130264289
2013-10-10

Method of scale inhibition

#68
20130234063
2013-09-12

Tagged scale inhibitor compositions and methods of inhibiting scale

#69
20130213866
2013-08-22

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

#70
20130035273
2013-02-07

COMPOSITION CONTAINING A POLYSACCHARIDE HYBRID POLYMER AND METHODS OF CONTROLLING HARD WATER SCALE

#71
20120273430
2012-11-01

Method and composition for operation of evaporative cooling towers at increased cycles of concentration

#72
20120160438
2012-06-28

Composition for inhibiting calcium salt scale formation

#73
20120152852
2012-06-21

PROCESSES FOR REMOVING HYDRAZINE FROM HYDROXYLAMINE SOLUTIONS

#74
20120064790
2012-03-15

Ethylene Diphosphinic Acids

#75
20120032093
2012-02-09

TAGGED SCALE INHIBITOR COMPOSITIONS AND METHODS OF INHIBITING SCALE

#76
20120024796
2012-02-02

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

#77
20120022192
2012-01-26

Inhibitor and method for preventing silica-based scale

#78
20110293469
2011-12-01

Additive formulation for industrial cooling systems

#79
20110253628
2011-10-20

Method of inhibiting scale formation and deposition in desalination systems

#80
20110240131
2011-10-06

System and method for scale inhibition

#81
20110195876
2011-08-11

Olefinically unsaturated phosphonate compounds, polymers made therefrom and their use

#82
20110124533
2011-05-26

Method of scale inhibition

#83
20110114564
2011-05-19

Preventing Silica And Silicate Scale With Inhibitors In Industrial Water Systems

#84
20110071065
2011-03-24

High alkaline detergent composition with enhanced scale control

#85
20110049053
2011-03-03

METHOD FOR INHIBITING THE DEPOSITION OF SILICA AND/OR SILICATE COMPOUNDS IN AQUEOUS SYSTEMS

#86
20110046023
2011-02-24

Scale and corrosion inhibitors for high temperature and pressure conditions

#87
20110021410
2011-01-27

NOVEL FORMULATION OF A WARE WASHING SOLID CONTROLLING HARDNESS

#88
20110021403
2011-01-27

Formulation of a ware washing solid controlling hardness

#89
20110017945
2011-01-27

NOVEL FORMULATION OF A WARE WASHING SOLID CONTROLLING HARDNESS

#90
20100294984
2010-11-25

METHODS OF INHIBITING SCALE OF SILICA

#91
20100197905
2010-08-05

Modified polysaccharides

#92
20100197545
2010-08-05

HIGH ALKALINE DETERGENT COMPOSITION WITH ENHANCED SCALE CONTROL

#93
20100186961
2010-07-29

α-Amino acid phosphonic acid compounds, method of preparation of use thereof

#94
20100174110
2010-07-08

Process for the manufacture of alkylamino alkylene phosphonic acids

#95
20100171070
2010-07-08

PROCESS AND POLYMER FOR PREVENTING Ba/Sr SCALE WITH A DETECTABLE PHOSPHORUS FUNCTIONALITY

#96
20100163494
2010-07-01

Preparation of environmentally acceptable scale inhibitors

#97
20100145066
2010-06-10

Phosphonate compounds

#98
20100093239
2010-04-15

Ethylenebis(hydroxyalkylphosphinic acid) and salts thereof

#99
20100063316
2010-03-11

REACTIVE PHOSPHONATES

#100
20100000579
2010-01-07

Compositions And Methods For Removing Scale And Inhibiting Formation Thereof

#101
20090294373
2009-12-03

INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS

#102
20090294372
2009-12-03

INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS

#103
20090186858
2009-07-23

Synergistic compositions

#104
20090170817
2009-07-02

Corrosion inhibition

#105
20090101587
2009-04-23

METHOD OF INHIBITING SCALE FORMATION AND DEPOSITION IN DESALINATION SYSTEMS

#106
20090065433
2009-03-12

Analysis of polymeric scale inhibitors

#107
20090048142
2009-02-19

Biodegradability of antiscalant formulations

#108
20090025896
2009-01-29

Control of the thickening of silicate-containing aqueous systems

#109
20090020728
2009-01-22

METHOD FOR CONTROLLING THE THICKENING OF AQUEOUS SYSTEMS

#110
20090005527
2009-01-01

Phosphonic compounds and methods of use thereof

#111
20090001012
2009-01-01

Substrates comprising anti-microbial compositions and methods of making and using the same

#112
20080223791
2008-09-18

Method for treating feedwater

#113
20080223790
2008-09-18

Desalination scale inhibitors

#114
20080169243
2008-07-17

METHOD OF INHIBITING SCALE FORMATION AND DEPOSITION IN DESALINATION SYSTEMS

#115
20080161222
2008-07-03

Use of polyaminomethylenephosphonates as dispersing agents

#116
20070267193
2007-11-22

Stimulating oilfields using different scale-inhibitors

#117
20070257127
2007-11-08

Method of promoting unrestricted flow of irrigation water through irrigation networks

#118
20070151930
2007-07-05

Method for corrosion and scale inhibition

#119
20070151927
2007-07-05

Metal oxides dispersant composition

#120
20070125987
2007-06-07

Tagged scale inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith

#121
20070062879
2007-03-22

Scale inhibition in water systems

#122
20070015678
2007-01-18

Modified polysaccharides

#123
20060243662
2006-11-02

Composition for treating groundwater contamination

#124
20060191851
2006-08-31

Method for treating feedwater, feedwater treatment composition, and apparatus for treating feedwater

#125
20060180789
2006-08-17

Formulation for corrosion and scale inhibition

#126
20060131241
2006-06-22

Phosphonamide and phosphonamide blend compositions to treat water

#127
20060113505
2006-06-01

Scale inhibitor, composition useful for preparing same, and method of inhibiting scale

#128
20050282712
2005-12-22

Scale control composition for high scaling environments

#129
20050171376
2005-08-04

Polyaminomethylenephos phonate derivatives

#130
20050126727
2005-06-16

Method for inhibiting calcium salt scale

#131
20050104031
2005-05-19

Phosphonamide and phosphonamide blend compositions and method to treat water

#132
20050061753
2005-03-24

Use of cerium salts to inhibit manganese deposition in water systems

#133
20050056589
2005-03-17

Treatment of semi-permeable filtration membranes

#134
20050040363
2005-02-24

Coolant treatment formulation

#135
20050025661
2005-02-03

Inhibition of corrosion in fluid systems