ClassID:

120645

C23F11/161 - 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; Sulfur-containing compounds Mercaptans

Recent Application in this class:
#1
20250389028
2025-12-25

CORROSION RESISTANT COATING SYSTEMS

#2
20250257472
2025-08-14

CORROSION INHIBITOR COMPOSITIONS AND METHODS OF USING THE COMPOSITIONS TO INHIBIT CORROSION

#3
20240287319
2024-08-29

COMPOSITIONS FOR INHIBITING CORROSION

#4
20240218523
2024-07-04

CORROSION RESISTANT COATING SYSTEMS

#5
20240044016
2024-02-08

COMPOSITIONS AND METHODS FOR METAL WEAR LOSS INHIBITION

#6
20230183554
2023-06-15

COMPOSITION FOR REMEDIATING IRON SULFIDE IN OILFIELD PRODUCTION SYSTEMS

#7
20230159765
2023-05-25

Compositions for inhibiting corrosion

#8
20230094396
2023-03-30

Corrosion resistant coating systems

#9
20210164112
2021-06-03

Corrosion inhibition treatment for aggressive fluids

#10
20210163818
2021-06-03

Compositions and methods for corrosion inhibitor monitoring

#11
20210156035
2021-05-27

Metal corrosion inhibitor

#12
20210155844
2021-05-27

Anti-corrosion formulations with storage stability

#13
20210095136
2021-04-01

Compositions for inhibiting corrosion

#14
20200407568
2020-12-31

Methods and Apparatuses for Selecting Natural Product Corrosion Inhibitors for Application to Substrates

#15
20200283913
2020-09-10

Corrosion control for supercritical carbon dioxide fluids

#16
20190309424
2019-10-10

Benzimidazole composition for metal corrosion inhibition

#17
20190284705
2019-09-19

Method for inhibiting metal corrosion using a benzimidazole-containing composition

#18
20190177859
2019-06-13

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

#19
20190127639
2019-05-02

Corrosion inhibitor compositions and methods of using same

#20
20180346796
2018-12-06

Temperature-stable corrosion inhibitor compositions and methods of use

#21
20180334750
2018-11-22

Composition and methods for inhibition of metal corrosion for use in the oil and gas industry

#22
20180230619
2018-08-16

Use of a disulfide/dithiol compound in a seal for anodized aluminum

#23
20180198152
2018-07-12

Conducting member for fuel cells, fuel cell, fuel cell stack, and method of producing conducting member for fuel cells

#24
20180148632
2018-05-31

Composition for remediating iron sulfide in oilfield production systems

#25
20180105702
2018-04-19

Composition for inhibiting corrosion

#26
20180087162
2018-03-29

CORROSION RESISTANT SURFACE TREATMENT AND PRIMER SYSTEM FOR ALUMINUM AIRCRAFT USING CHROMIUM-FREE INHIBITORS

#27
20170355902
2017-12-14

Compositions and methods for corrosion inhibitor monitoring

#28
20160251771
2016-09-01

Use of a disulfide/dithiol compound in a seal for anodized aluminum

#29
20160230078
2016-08-11

Anti-corrosion formulations with storage stability

#30
20160090655
2016-03-31

Anti-corrosion formulations that are stable during storage

#31
20150152565
2015-06-04

Method of treating gold or gold alloy with a surface treatment solution comprising a disulfide compound

#32
20150069301
2015-03-12

High temperature carbon dioxide corrosion inhibitor

#33
20130101460
2013-04-25

INHIBITING CORROSION IN AQUEOUS FILMS

#34
20130045391
2013-02-21

Tarnish Inhibiting Composition for Metal Leadframes

#35
20120305141
2012-12-06

Method for protecting silver and silver alloy surfaces against tarnishing

#36
20120175022
2012-07-12

Anti-tarnish coatings

#37
20110236700
2011-09-29

Corrosion resistant coatings with modified metal salts of corrosion resisting organic anions

#38
20110059241
2011-03-10

Method of using sulfur-based corrosion inhibitors for galvanized metal surfaces

#39
20110040126
2011-02-17

NOVEL MERCAPTAN-BASED CORROSION INHIBITORS

#40
20100291303
2010-11-18

Anti-tarnish coatings

#41
20100239454
2010-09-23

SILVER TERNARY ALLOY

#42
20090123656
2009-05-14

Composition and method for controlling galvanic corrosion in printed circuit boards

#43
20080216705
2008-09-11

Corrosion resistant coatings with modified metal salts of corrosion resisting organic anions

#44
20080181813
2008-07-31

Novel Mercaptan-Based Corrosion Inhibitors

#45
20080145271
2008-06-19

METHOD OF USING SULFUR-BASED CORROSION INHIBITORS FOR GALVANIZED METAL SURFACES

#46
20070277906
2007-12-06

Water-Based Metal Treatment Composition

#47
20070080319
2007-04-12

Rust preventive for magnesium and/or magnesium alloy

#48
20070039665
2007-02-22

Enhancing silver tarnish-resistance

#49
20070009375
2007-01-11

Silver ternary alloy

#50
20050201890
2005-09-15

Composition for the controlled release of inhibitors for corrosion, biofouling, and scaling

#51
20050186347
2005-08-25

Method of protecting metals from corrosion using thiol compounds

#52
20050079095
2005-04-14

Inhibition of corrosion in aqueous systems