ClassID:

120650

C23F11/167 - 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

Sub-classes:
Recent Application in this class:
#1
20240060187
2024-02-22

CONTINUOUS COIL PRETREATMENT PROCESS

#2
20230287575
2023-09-14

Surfaces for contacting a hydrocarbon fluid and methods for preparing the same

#3
20220389593
2022-12-08

Surfaces for contacting a hydrocarbon fluid and methods for preparing the same

#4
20220389315
2022-12-08

Corrosion control using organic filmers and passivators in systems for processing nitrogen-containing solutions

#5
20210388215
2021-12-16

Surface protection composition and terminal fitted electric wire

#6
20210246354
2021-08-12

Formulation and method for dissolution of metal sulfides, inhibition of acid gas corrosion, and inhibition of scale formation

#7
20210017652
2021-01-21

Method for preventing the formation of white rust on a zinc-coated steel surface

#8
20200378013
2020-12-03

ADDITIVE FOR CORROSION CONTROL

#9
20200032125
2020-01-30

COMBINED USES OF A PHOSPHOROUS COMPOUND FOR IRON SULPHIDE DISSOLUTION AND BACTERIAL CONTROL

#10
20180282606
2018-10-04

Formulation and method for dissolution of metal sulfides, inihibition of acid gas corrosion, and inhibition of scale formation

#11
20180274105
2018-09-27

Corrosion inhibitors for passivation of galvanized coatings and carbon steel

#12
20180179400
2018-06-28

Metal surface coating composition and terminal fitted electric wire

#13
20180135188
2018-05-17

Composition and method for treating white rust

#14
20180044571
2018-02-15

COMBINED USES OF A PHOSPHOROUS COMPOUND FOR IRON SULPHIDE DISSOLUTION AND BACTERIAL CONTROL

#15
20180037998
2018-02-08

Fire-retardant compositions and their uses

#16
20170342310
2017-11-30

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

#17
20170306506
2017-10-26

Composition and method for inhibiting corrosion and scale

#18
20170233873
2017-08-17

subsp. cuspidate wood tar oil composition as an anticorrosive for metals in aqueous media

#19
20170190952
2017-07-06

Multiple hydrophilic head corrosion inhibitors

#20
20160319440
2016-11-03

Continuous coil pretreatment process

#21
20160304804
2016-10-20

METHOD FOR THE PRESERVATION OF A MACHINE ELEMENT AND USE OF AN ANIONIC LIQUID

#22
20160229726
2016-08-11

Use of phosphino polymer and polyhydroxypolycarboxylic acid as corrosion inhibitor

#23
20160168390
2016-06-16

Use of dithiophosphinic acid and/or its salts for producing anti-corrosion coatings that are devoid of chrome

#24
20160040301
2016-02-11

Composition and method for treating white rust

#25
20150004054
2015-01-01

Corrosion control methods

#26
20110259476
2011-10-27

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

#27
20100101962
2010-04-29

Immersion method

#28
20090149356
2009-06-11

Environmentally friendly bis-quaternary compounds for inhibiting corrosion and removing hydrocarbonaceous deposits in oil and gas applications

#29
20090057617
2009-03-05

Corrosion inhibitors containing anionic surfactants

#30
20090020186
2009-01-22

Methods of preventing corrosion

#31
20080260959
2008-10-23

Use of Dithiophosphinic Acid and/or Its Salts for Producing Anti-Corrosion Coatings that are Devoid of Chrome

#32
20080139414
2008-06-12

Corrosion inhibitor intensifier compositions and associated methods

#33
20080020145
2008-01-24

Method For Depositing Anti-Corrosive Coating Onto Metal Surface

#34
20060237097
2006-10-26

Immersion method

#35
20060131544
2006-06-22

Corrosion inhibiting heat transfer materials