ClassID:

120639

C23F11/145 - 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; Nitrogen-containing compounds Amides; N-substituted amides

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

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

#2
20250198010
2025-06-19

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

#3
20250075126
2025-03-06

DIQUATERNARY COMPOUNDS FOR CORROSION INHIBITION AND METHODS OF USE THEREOF

#4
20240229246
2024-07-11

METHOD FOR PROVIDING CORROSION PROTECTION TO A PRESSURIZED WATER-STEAM SYSTEM

#5
20240133043
2024-04-25

METHOD FOR PROVIDING CORROSION PROTECTION TO A PRESSURIZED WATER-STEAM SYSTEM

#6
20230366102
2023-11-16

POLYACRYLAMIDES AS VOLATILE CORROSION INHIBITORS AND DESICCANTS, METHODS OF USING, AND METHODS OF MAKING THE SAME

#7
20230278949
2023-09-07

MULTIPLE CHARGED IONIC COMPOUNDS DERIVED FROM POLYAMINES AND COMPOSITIONS THEREOF AND USE THEREOF AS REVERSE EMULSION BREAKERS IN OIL AND GAS OPERATIONS

#8
20230193478
2023-06-22

Oleyl propylenediamine-based corrosion inhibitors

#9
20230124406
2023-04-20

Corrosion inhibition package

#10
20230092519
2023-03-23

ALKYL LACTONE-DERIVED CORROSION INHIBITORS

#11
20230042309
2023-02-09

HYDROCARBON FUNCTIONALIZED POLYAMINES FOR CORROSION INHIBITION

#12
20220333252
2022-10-20

OLEYL PROPYLENEDIAMINE-BASED CORROSION INHIBITORS

#13
20210340427
2021-11-04

Corrosion inhibitor for various acids

#14
20210246360
2021-08-12

Alkyl lactone-derived corrosion inhibitors

#15
20210163818
2021-06-03

Compositions and methods for corrosion inhibitor monitoring

#16
20210139715
2021-05-13

Amine-functionalized organosilane/fatty acid combination systems as stain/corrosion inhibitors for the application on aluminum and its alloys

#17
20200080206
2020-03-12

Oleyl propylenediamine-based corrosion inhibitors

#18
20200071265
2020-03-05

Multiple charged ionic compounds derived from polyamines and compositions thereof and use thereof as reverse emulsion breakers in oil and gas operations

#19
20200017754
2020-01-16

Alkyl lactone-derived corrosion inhibitors

#20
20200017745
2020-01-16

ANTI-FREEZE ANTI-CORROSION CONCENTRATES

#21
20190390352
2019-12-26

Corrosion inhibition package

#22
20190177859
2019-06-13

A WATER-BASED COMPOSITION FOR POST-TREATMENT OF METAL SURFACES

#23
20190127640
2019-05-02

Corrosion inhibitor compositions and methods of using same

#24
20190093236
2019-03-28

Compositions of vapor phase corrosion inhibitors and their use as well as methods for their manufacture

#25
20190055484
2019-02-21

Kinetic hydrate inhibitors for controlling gas hydrate formation in wet gas systems

#26
20180305559
2018-10-25

Amine-functionalized organosilane/fatty acid combination systems as stain/corrosion inhibitors for the application on aluminum and its alloys

#27
20180119289
2018-05-03

CORROSION INHIBITOR FORMULATIONS

#28
20180044590
2018-02-15

Corrosion inhibitor composition for magnesium or magnesium alloys

#29
20170355902
2017-12-14

Compositions and methods for corrosion inhibitor monitoring

#30
20170342311
2017-11-30

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

#31
20170306067
2017-10-26

Imidazoline functionalized oxidized fatty substance emulsifiers and methods

#32
20170260442
2017-09-14

Mitigation of corrosion in geothermal systems

#33
20170247798
2017-08-31

Corrosion inhibiting compositions to mitigate corrosion in environments containing elemental sulfur and/or polysulfides

#34
20170218293
2017-08-03

Corrosion-inhibiting compositions

#35
20160186040
2016-06-30

Mitigation of corrosion in geothermal systems

#36
20150094480
2015-04-02

Esters with antimicrobial, bioresistant and fungal resistant properties

#37
20150069301
2015-03-12

High temperature carbon dioxide corrosion inhibitor

#38
20140091262
2014-04-03

Quaternary and cationic ammonium surfactants as corrosion inhibitors

#39
20130233543
2013-09-12

Nitrogen containing compounds as corrosion inhibitors

#40
20130228095
2013-09-05

Method and composition for preventing corrosion of metal surfaces

#41
20130156638
2013-06-20

Use of polyester polyamine and polyester polyquaternary ammonium compounds as corrosion inhibitors

#42
20120319032
2012-12-20

Biodegradable, frost proof heat-transfer fluid, use thereof in near-surface geothermal installations, and a concentrate for preparing same

#43
20120116115
2012-05-10

Esters with Antimicrobial, Bioresistant and Fungal Resistant Properties

#44
20120114523
2012-05-10

Polymeric corrosion inhibitors

#45
20120065394
2012-03-15

Corrosion Inhibitors Having Increased Biodegradability and Reduced Toxicity

#46
20110101280
2011-05-05

Rust preventive oil composition

#47
20110087040
2011-04-14

Esters with Antimicrobial, Bioresistant and Fungal Resistant Properties

#48
20110033719
2011-02-10

Metal corrosion inhibition

#49
20100234592
2010-09-16

Corrosion Inhibitors Having Increased Biodegradability and Reduced Toxicity

#50
20090173663
2009-07-09

Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity

#51
20090137838
2009-05-28

Esters with antimicrobial, bioresistant and fungal resistant properties

#52
20090057618
2009-03-05

Corrosion inhibitors containing amphoteric surfactants

#53
20090057617
2009-03-05

Corrosion inhibitors containing anionic surfactants

#54
20090057616
2009-03-05

Corrosion inhibitors containing cationic surfactants

#55
20090057615
2009-03-05

Corrosion inhibitors containing nonionic surfactants

#56
20080267900
2008-10-30

Surface Treatment

#57
20080017828
2008-01-24

AQUEOUS COOLANTS FOR THE ENGINE RUN-IN PHASE, CONTAINING AMMONIUM SALTS OF PHTHALIC ACID MONOAMIDES

#58
20070276038
2007-11-29

Esters with antimicrobial, bioresistant and fungal resistant properties

#59
20070164258
2007-07-19

Enhanced galvanized corrosion inhibitor

#60
20070034825
2007-02-15

Antifreeze concentrates and coolant compositions based on polyglycols and amides for protecting magnesium and the alloys thereof

#61
20050156137
2005-07-21

Nitrogen-containing compounds as corrosion inhibitors

#62
20050101495
2005-05-12

Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability

#63
20050040362
2005-02-24

Aqueous coolant for the running-in period of an engine containing ammonium salts of monophthalimides