ClassID:

120637

C23F11/143 - 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; Amines; Quaternary ammonium compounds Salts of amines

Recent Application in this class:
#1
20250327190
2025-10-23

CORROSION INHIBITOR FOR MITIGATING ALKALINE CARBONATE STRESS CORROSION CRACKING

#2
20240102176
2024-03-28

ANTICORROSIVE COMPOSITIONS AND METHODS WITH SUPRAMOLECULAR STRUCTURES

#3
20230193478
2023-06-22

Oleyl propylenediamine-based corrosion inhibitors

#4
20230053403
2023-02-23

CORROSION INHIBITOR FOR MITIGATING ALKALINE CARBONATE STRESS CORROSION CRACKING

#5
20220333252
2022-10-20

OLEYL PROPYLENEDIAMINE-BASED CORROSION INHIBITORS

#6
20210180193
2021-06-17

Formulation for corrosion inhibition

#7
20210163812
2021-06-03

Quaternary ammonium salts for corrosion inhibition

#8
20200354839
2020-11-12

Fluoride corrosion inhibition of metal surfaces

#9
20200339865
2020-10-29

Process for preparing dibenzylamine quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof

#10
20200080206
2020-03-12

Oleyl propylenediamine-based corrosion inhibitors

#11
20200017745
2020-01-16

ANTI-FREEZE ANTI-CORROSION CONCENTRATES

#12
20180119289
2018-05-03

CORROSION INHIBITOR FORMULATIONS

#13
20180066365
2018-03-08

PRE-RINSE CONTAINING A QUATERNARY AMINE FOR CONDITIONING PRIOR TO A CONVERSION TREATMENT

#14
20170306505
2017-10-26

Chemical inhibition of pitting corrosion in methanolic solutions containing an organic halide

#15
20170247798
2017-08-31

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

#16
20160311755
2016-10-27

Organic salts of glyceride-cyclic carboxylic acid anhydride adducts as corrosion inhibitors

#17
20160102409
2016-04-14

Use of charged cellulose nanocrystals for corrosion inhibition and a corrosion inhibiting composition comprising the same

#18
20150291462
2015-10-15

Slurry biocide

#19
20150112096
2015-04-23

Amino and imino propionic acids, process of preparation and use

#20
20150096463
2015-04-09

Rust preventive oil composition

#21
20150089861
2015-04-02

Amino and imino propionic acids, process of preparation and use

#22
20150008371
2015-01-08

Corrosion inhibitor comprising cellulose nanocrystals and cellulose nanocrystals in combination with a corrosion inhibitor

#23
20130302210
2013-11-14

CORROSION INHIBITOR COMPOSITIONS, METHODS FOR MAKING AND METHODS FOR USING

#24
20130196889
2013-08-01

Aqueous cleaning agent comprising an alkanolamine salt of at least one carboxylic acid

#25
20130175477
2013-07-11

CORROSION INHIBITOR FOR HIGH TEMPERATURE ENVIRONMENTS

#26
20130156638
2013-06-20

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

#27
20120128530
2012-05-24

Quaternary ammonium corrosion inhibitor

#28
20120088706
2012-04-12

Water-mixed metal working fluids containing ether pyrrolidone carboxylic acids

#29
20110296746
2011-12-08

Amino and imino propionic acids, process of preparation and use

#30
20110214287
2011-09-08

Method for producing and commissioning a transmission with a water-based lubricant, and such a lubricant

#31
20110101280
2011-05-05

Rust preventive oil composition

#32
20110100512
2011-05-05

Quaternary ammonium salts as a conversion coating or coating enhancement

#33
20100283011
2010-11-11

Corrosion Inhibitors Having Increased Biological Degradability And Minimized Toxicity

#34
20100283010
2010-11-11

Corrosion inhibitors having increased biological degradability and minimized toxicity

#35
20090199741
2009-08-13

Method for producing a coated basic material for a hydraulic composition, coated basic material for a hydraulic composition, additive for a hydraulic composition and method for producing a hydraulic composition

#36
20090170736
2009-07-02

Metalworking fluids comprising neutralized fatty acids

#37
20090149359
2009-06-11

FORMULATION OF A METAL WORKING FLUID

#38
20090020186
2009-01-22

Methods of preventing corrosion

#39
20080145549
2008-06-19

Functionalized amine-based corrosion inhibitors for galvanized metal surfaces and method of using same

#40
20060205609
2006-09-14

Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids

#41
20060201676
2006-09-14

Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids

#42
20060180794
2006-08-17

Polyamine-based corrosion inhibitors

#43
20060156960
2006-07-20

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

#44
20060151071
2006-07-13

Quaternary ammonium salts as a conversion coating or coating enhancement

#45
20050189113
2005-09-01

Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids

#46
20050032664
2005-02-10

Corrosion inhibitor

#47
14986756
2016-12-13

Corrosion inhibiting gel