ClassID:

120659

C23F11/187 - 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 inorganic inhibitors Mixtures of inorganic inhibitors

Sub-classes:
Recent Application in this class:
#1
20260146337
2026-05-28

COATING COMPOSITION AND PROCESS FOR APPLYING SAME TO METAL SUBSTRATES

#2
20260132078
2026-05-14

Hydrophobic Concrete and Asphalt

#3
20260132077
2026-05-14

Hydrophobic Concrete and Asphalt

#4
20250305151
2025-10-02

STABILIZATION TREATMENT LIQUID FOR 690 MPA-GRADE WEATHER-RESISTANT BRIDGE STEEL MEMBER, TREATMENT METHOD AND USE

#5
20250146139
2025-05-08

CORROSION PROTECTION PRETREATMENT AGENT, TREATING METHOD USING THE SAME AND ARTICLE THEREOF

#6
20250137143
2025-05-01

NON-PHOSPHATE CORROSION INHIBITION COMPOSITIONS AND METHODS FOR MITIGATING CORROSION IN COOLING WATER APPLICATIONS

#7
20250059670
2025-02-20

SEALING FOR ANODIZED METAL

#8
20240052499
2024-02-15

HIGH PERFORMANCE ALUMINA-FORMING MULTI- ELEMENT MATERIALS FOR HIGH TEMPERATURE APPLICATIONS

#9
20230383415
2023-11-30

CORROSION CONTROL FOR WATER SYSTEMS USING PASSIVATORS AND A HYDROXYCARBOXYLIC ACID

#10
20220127745
2022-04-28

Sealing for anodized metal

#11
20200385870
2020-12-10

Molybdate-based composition and conversion coating

#12
20200332192
2020-10-22

METHOD AND APPARATUS FOR INHIBITING CORROSION FROM FIRE SUPPRESSION AGENTS IN SITU

#13
20200040465
2020-02-06

METHODS FOR INHIBITING CORROSION

#14
20190225855
2019-07-25

Heat transfer fluids and methods for preventing corrosion in heat transfer systems

#15
20190169757
2019-06-06

Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate

#16
20190040800
2019-02-07

Systems and methods for vanadium corrosion inhibitors

#17
20190032225
2019-01-31

Pretreatment compositions, coated aluminum alloys, and methods of making the same

#18
20180291512
2018-10-11

Low water solubility compositions for use in corrosion protection

#19
20180273869
2018-09-27

STEEL WIRE WITH EXCELLENT CORROSION RESISTANCE AND APPEARANCE AFTER PROCESSING

#20
20180265798
2018-09-20

VANADIUM CORROSION INHIBITORS IN GAS TURBINE APPLICATIONS

#21
20180265797
2018-09-20

Vanadium corrosion inhibitors in gas turbine applications

#22
20180073152
2018-03-15

Method for corrosion inhibiting additive

#23
20170350019
2017-12-07

Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate

#24
20170298284
2017-10-19

VANADIUM CORROSION INHIBITORS IN GAS TURBINE APPLICATIONS

#25
20170198185
2017-07-13

HOT TEST FLUID CONTAINING VAPOR PHASE INHIBITION

#26
20170158978
2017-06-08

Yttrium and magnesium based vanadium corrosion inhibitors

#27
20160372219
2016-12-22

Chemical solution injection system and chemical solution injection method

#28
20160318783
2016-11-03

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

#29
20160314883
2016-10-27

Corrosion inhibitors for FeP structure magnetocaloric materials in water

#30
20160137851
2016-05-19

Anti-corrosion and/or passivation compositions for metal containing subtrates and methods for making, enhancing, and applying the same

#31
20160115325
2016-04-28

Anti-corrosion and/or passivation compositions for metal containing subtrates and methods for making, enhancing, and applying the same

#32
20160035442
2016-02-04

Chemical process for primary system material passivation during hot functional testing of nuclear power plants

#33
20150307256
2015-10-29

Storage tank bottom corrosion protection system

#34
20150284859
2015-10-08

Corrosion inhibiting compositions

#35
20150274985
2015-10-01

Anti-corrosion and/or passivation compositions for metal containing subtrates and methods for making, enhancing, and applying the same

#36
20150274984
2015-10-01

Anti-corrosion and/or passivation compositions for metal containing substrates and methods for making, enhancing, and applying the same

#37
20150118103
2015-04-30

Corrosion inhibiting methods

#38
20150079417
2015-03-19

ANTI-CORROSION AND ANTI-EROSION PROTECTIVE LAYER CONTAINING ALUMINIUM

#39
20140314620
2014-10-23

Application of oxygen scavengers to glycol systems

#40
20140119982
2014-05-01

Heat transfer fluids and corrosion inhibitor formulations for use thereof

#41
20140070136
2014-03-13

Heat transfer fluids and corrosion inhibitor formulations for use thereof

#42
20120291800
2012-11-22

Electrolyzed water system

#43
20120286197
2012-11-15

HOT TEST FLUID CONTAINING VAPOR PHASE INHIBITION

#44
20120286196
2012-11-15

Hot test fluid containing vapor phase inhibition

#45
20120273374
2012-11-01

Corrosion inhibition of hypochlorite solutions in saturated wipes

#46
20120234797
2012-09-20

Corrosion preventing apparatus, corrosion preventing method, and wire electric discharge machining apparatus

#47
20120039429
2012-02-16

Plant operation method and plant operation system

#48
20100314585
2010-12-16

ANTICORROSION MATERIAL

#49
20100276629
2010-11-04

METHOD FOR STABILIZING AN ENGINE COOLANT CONCENTRATE AND PREVENTING HARD WATER SALT FORMATION UPON DILUTION

#50
20100018435
2010-01-28

Method of reducing corrosion in cement

#51
20100004145
2010-01-07

Fluid loss pills

#52
20090269616
2009-10-29

Chromate-generating corrosion inhibitor

#53
20090118124
2009-05-07

NOVEL AQUEOUS COMPOSITION AND USE OF THE SAME

#54
20090004486
2009-01-01

CORROSION INHIBITING ADDITIVE

#55
20080115549
2008-05-22

NOVEL AQUEOUS COMPOSITION AND USE OF THE SAME

#56
20080113102
2008-05-15

Agents for the surface treatment of zinc or zinc alloy products

#57
20080061266
2008-03-13

DEICER COMPOSITIONS INCLUDING CORROSION INHIBITORS

#58
20080048147
2008-02-28

GLYCERIN SYSTEMS

#59
20080035880
2008-02-14

Antifreeze/coolant composition

#60
20080000383
2008-01-03

Anticorrosive coating compositions

#61
20070090330
2007-04-26

NOVEL AQUEOUS COMPOSITION AND USE OF THE SAME

#62
20070034826
2007-02-15

Method for stabilizing an engine coolant concentrate and preventing hard water salt formation upon dilution

#63
20060261313
2006-11-23

Cerium ion-containing solution and corrosion inhibitor

#64
20060243602
2006-11-02

Mitigation of stress corrosion cracking of structural materials exposed to a high temperature water

#65
20060079409
2006-04-13

Complex mixtures of ions and processes for deposition

#66
20050263034
2005-12-01

Novel aqueous composition and use of the same

#67
20050230658
2005-10-20

Deicer compositions including corrosion inhibitors

#68
20050005816
2005-01-13

Novel aqueous composition and use of the same

#69
18948108
2025-09-09

Hydrophobic concrete and asphalt