ClassID:

86426

C02F5/125 - 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 nitrogen combined with inorganic substances

Recent Application in this class:
#1
20250091924
2025-03-20

DESCALING FORMULATION AND METHOD FOR DISSOLVING AND CLEANING SCALE DEPOSITION ON A SURFACE OF SYSTEM

#2
20250011509
2025-01-09

A NOVEL POLYMER, AN ANTISCALING FORMULATION, PREPARATION AND USE THEREOF FOR INHIBITING SCALE FORMATION

#3
20230174402
2023-06-08

Method for controlling accretion of scale

#4
20210253936
2021-08-19

Modified acid compositions as alternatives to conventional acids in the oil and gas industry

#5
20210207017
2021-07-08

Modified acid compositions as alternatives to conventional acids in the oil and gas industry

#6
20200385629
2020-12-10

NANOSIZED SCALE INHIBITORS FOR INCREASING OILFIELD SCALE INHIBITION TREATMENT LIFETIME

#7
20200308472
2020-10-01

Composition useful in sulfate scale removal

#8
20200165508
2020-05-28

Modified acid compositions as alternatives to conventional acids in the oil and gas industry

#9
20190300408
2019-10-03

Material for reducing the contents of polluting and/or unwanted substances in a liquid

#10
20190203118
2019-07-04

Benzotriazole derivatives as corrosion inhibitors

#11
20190127859
2019-05-02

Nitrogen substituted aromatic triazoles as corrosion control agents

#12
20190071597
2019-03-07

COMPOSITION USEFUL IN SULFATE SCALE REMOVAL

#13
20190040298
2019-02-07

Modified acid compositions as alternatives to conventional acids in the oil and gas industry

#14
20180327294
2018-11-15

Iron sulfide scale control agent for geothermal wells

#15
20180186656
2018-07-05

System and method for automated control, feed, delivery verification, and inventory management of corrosion and scale treatment products for water systems

#16
20170042145
2017-02-16

Hydrotesting and mothballing composition and method of using combination products for multifunctional water treatment

#17
20160326432
2016-11-10

Inhibiting fouling tendency in high coal ash-containing water systems

#18
20160326037
2016-11-10

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

#19
20160326036
2016-11-10

Terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation method

#20
20160318783
2016-11-03

Phosphorus-free corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation method

#21
20160108253
2016-04-21

Degradation-resistant scale inhibitors

#22
20150232362
2015-08-20

Corrosion and fouling mitigation using non-phosphorus based additives

#23
20140186210
2014-07-03

Corrosion and fouling mitigation using non-phosphorus based additives

#24
20130281341
2013-10-24

Additives for heat exchanger deposit removal in a wet layup condition

#25
20130000370
2013-01-03

Modified aminocarboxylates with improved storage stability and processability

#26
20120160438
2012-06-28

Composition for inhibiting calcium salt scale formation

#27
20120000434
2012-01-05

Method of operating steam boiler

#28
20110155664
2011-06-30

Method for the removing and reducing scaling

#29
20100178197
2010-07-15

Composition and method for reducing white rust corrosion in industrial water systems

#30
20090206298
2009-08-20

Calcium reduction composition and method

#31
20090069202
2009-03-12

Corrosion inhibition compositions and methods for using the same

#32
20080020470
2008-01-24

Colorant tracer for cooling water treatment formulations

#33
20070221246
2007-09-27

Method for dissolving oilfield scale

#34
20070164258
2007-07-19

Enhanced galvanized corrosion inhibitor

#35
20070021315
2007-01-25

Water precipitation softening system for detergents, bleaching agents and machine and hand dishwashing agents

#36
20060142170
2006-06-29

Descaling and corrosion inhibiting method

#37
20060043340
2006-03-02

Metal corrosion inhibitor and hydrogen chloride formation inhibitor in a crude oil atmospheric distillation unit

#38
20050040363
2005-02-24

Coolant treatment formulation

#39
20050035328
2005-02-17

Modified amine for boiler water treatment