ClassID:

120651

C23F11/1673 - CPC Classification

Classification description:

Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors; Phosphorus-containing compounds Esters of phosphoric or thiophosphoric acids

Recent Application in this class:
#1
20260117115
2026-04-30

CORROSION INHIBITOR COMPOSITION AND METHOD FOR INHIBITING CORROSION IN GEOTHERMAL WELL SYSTEM

#2
20250270707
2025-08-28

NON-TRIAZOLE IMIDAZOLINE AND AMIDE COMPOUNDS AND METHODS FOR INHIBITING CORROSION IN INDUSTRIAL WATER TREATMENT

#3
20250198010
2025-06-19

NON-TRIAZOLE IMIDAZOLINE AND AMIDE COMPOUNDS AND METHODS FOR INHIBITING CORROSION IN INDUSTRIAL WATER TREATMENT

#4
20240102176
2024-03-28

ANTICORROSIVE COMPOSITIONS AND METHODS WITH SUPRAMOLECULAR STRUCTURES

#5
20220227708
2022-07-21

METHODS FOR FORMING PEROXYFORMIC ACID AND USES THEREOF

#6
20210163818
2021-06-03

Compositions and methods for corrosion inhibitor monitoring

#7
20210115351
2021-04-22

Amine-functionalized organosilane/organophosphate combination systems as EP agents / corrosion inhibitors in compositions for treating metal surfaces

#8
20210032758
2021-02-04

Oil soluble molybdenum complexes for inhibiting high temperature corrosion and related applications in petroleum refineries

#9
20200157046
2020-05-21

Methods for forming peroxyformic acid and uses thereof

#10
20200115805
2020-04-16

Water soluble metalworking concentrate

#11
20190173213
2019-06-06

Anticorrosive agent and terminal fitted electric wire

#12
20190152906
2019-05-23

Methods for forming peroxyformic acid and uses thereof

#13
20190136388
2019-05-09

Corrosion inhibitor compositions and methods of using same

#14
20190048283
2019-02-14

ANTICORROSIVE AGENT AND TERMINAL FITTED ELECTRIC WIRE

#15
20180179400
2018-06-28

Metal surface coating composition and terminal fitted electric wire

#16
20180135189
2018-05-17

Additives to control hydrogen sulfide release of sulfur containing and/or phosphorus containing corrosion inhibitors

#17
20170355902
2017-12-14

Compositions and methods for corrosion inhibitor monitoring

#18
20170342311
2017-11-30

Liquid inhibitor composition and a method for its preparation and application as a heavy brine corrosion control

#19
20170342310
2017-11-30

Liquid inhibitor composition and a method for its preparation and application as a heavy brine corrosion control

#20
20160326037
2016-11-10

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

#21
20160264533
2016-09-15

Electrical connection structure

#22
20160211053
2016-07-21

Composition having oil film retention function, anticorrosive agent using same, and insulated terminated electric wire

#23
20150203735
2015-07-23

Antifreeze concentrate with corrosion protection and aqueous coolant composition produced therefrom

#24
20150040796
2015-02-12

Corrosion inhibitors

#25
20140264179
2014-09-18

Modified lecithin corrosion inhibitor in fluid systems

#26
20140224193
2014-08-14

Antifreeze concentrate with corrosion protection and aqueous coolant composition produced therefrom

#27
20140128294
2014-05-08

Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same

#28
20130224092
2013-08-29

Inhibiting corrosion caused by aqueous aldehyde solutions

#29
20130196173
2013-08-01

Organic Corrosion Inhibitor-Embedded Polymer Capsule, Preparation Method Thereof, Composition Containing Same, and Surface Treated Steel Sheet Using Same

#30
20130175477
2013-07-11

CORROSION INHIBITOR FOR HIGH TEMPERATURE ENVIRONMENTS

#31
20130032853
2013-02-07

Silver Anti-Tarnishing Agent, Silver Anti-Tarnishing Resin Composition, Silver Anti-Tarnishing Method, And Light-Emitting Diode Using Same

#32
20120065120
2012-03-15

Cleaning and corrosion inhibition system and composition for surfaces of aluminum or colored metals and alloys thereof under alkaline conditions

#33
20110259476
2011-10-27

METHODS FOR CORROSION CONTROL OF STEEL IN AQUEOUS ENVIRONMENT USING PASSIVE IRON-SULPHUR LAYERS

#34
20080108539
2008-05-08

Cleaning and corrosion inhibition system and composition for surfaces of aluminum or colored metals and alloys thereof under alkaline conditions

#35
20070111034
2007-05-17

Product for treating reinforced concrete constructions

#36
20060289833
2006-12-28

Esters of phosphorus-oxygen acids, these esters comprising alkoxy groups, and their use as corrosion inhibitors and flameproofing agents

#37
20060194700
2006-08-31

Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same

#38
20060156960
2006-07-20

Use of phosphorus-oxygen acid esters containing alkoxy groups as corrosion inhibitors for reinforced concrete

#39
20060131544
2006-06-22

Corrosion inhibiting heat transfer materials

#40
20050121650
2005-06-09

Steam condensate corrosion inhibitor compositions and methods

#41
20050035328
2005-02-17

Modified amine for boiler water treatment

#42
20050025661
2005-02-03

Inhibition of corrosion in fluid systems