ClassID:

120692

C23G1/02 - CPC Classification

Classification description:

Cleaning or pickling metallic material with solutions or molten salts with acid solutions

Sub-classes:
Recent Application in this class:
#1
20260055512
2026-02-26

SYSTEMS AND METHODS FOR TREATING A METAL SUBSTRATE

#2
20250304881
2025-10-02

NEUTRALIZING INSTRUMENT REPROCESSING

#3
20250230554
2025-07-17

PRE-TREATMENT LIQUID AND METHOD FOR MANUFACTURING ELECTROMAGNETIC STEEL SHEET PROVIDED WITH INSULATING FILM

#4
20250171909
2025-05-29

AUTOMATIC DESCALING SYSTEM FOR HIGH-PRESSURE REACTOR OF LATERITE NICKEL ORE

#5
20250109356
2025-04-03

CLEANING SOLUTION AND METHODS OF CLEANING A TURBINE ENGINE

#6
20250066926
2025-02-27

LIQUID METAL SUBSTRATE CLEANING METHOD AND CLEANING AND COATING INTEGRATED DEVICE

#7
20240425775
2024-12-26

SIMPLIFIED PROCESS FOR THE PRETREATMENT OF METALLIC SUBSTRATES FOR COLD FORMING AND A REACTIVE LUBRICANT FOR THIS PURPOSE

#8
20240209291
2024-06-27

AQUEOUS CLEANING SOLUTION FOR REMOVAL OF ROUGING DEPOSITS ON MEDIA-CONTACTED SURFACES OF STAINLESS STEELS, USE THEREOF AND PROCESS FOR PRODUCTION THEREOF

#9
20240060010
2024-02-22

Cleaning solution and methods of cleaning a turbine engine

#10
20240052501
2024-02-15

TREATMENT METHOD AFTER PLATING WITH Sn OR Sn ALLOY

#11
20230332297
2023-10-19

ULTRAFAST PICKLING METHOD AND INSTALLATION THEREFOR

#12
20230183866
2023-06-15

CLEANING LIQUID USED FOR CLEANING METAL RESISTS, AND CLEANING METHOD USING CLEANING LIQUID

#13
20230175141
2023-06-08

Method for chemically pickling a cast metal part with porous ceramic core(s)

#14
20230092003
2023-03-23

PURIFICATION OF METALLIC OBJECTS IN THE PRESENCE OF A LIQUID AND LAYER SILICATE(S)

#15
20230086463
2023-03-23

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#16
20230018337
2023-01-19

METHOD FOR PRODUCING A DIAPHRAGM FOR AN ULTRASONIC SENSOR, AND DIAPHRAGM FOR AN ULTRASONIC TRANSDUCER

#17
20230002912
2023-01-05

WORKPIECE CLEANING APPARATUS AND CLEANING METHOD

#18
20220364018
2022-11-17

NEUTRALIZING INSTRUMENT REPROCESSING

#19
20220348401
2022-11-03

ALUMINUM FLAT ROLLED PRODUCTS WITH HIGH RECYCLED CONTENT FOR LIGHT GAUGE PACKAGING SOLUTIONS AND RELATED METHODS

#20
20220259741
2022-08-18

COMPOSITION, METHOD OF PRODUCING SUBSTRATE, AND POLYMER

#21
20220119905
2022-04-21

Method for producing grain oriented electrical steel sheet

#22
20220119730
2022-04-21

Simplified method for pretreating metal substrates for cold forming and reactive lubricant therefor

#23
20220098687
2022-03-31

High-strength hot-dip galvanized steel sheet and method for producing the same

#24
20220056381
2022-02-24

AQUEOUS CLEANING SOLUTION FOR REMOVAL OF ROUGING DEPOSITS ON MEDIA-CONTACTED SURFACES OF STAINLESS STEELS, USE THEREOF AND PROCESS FOR PRODUCTION THEREOF

#25
20210130680
2021-05-06

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#26
20210002770
2021-01-07

Substrate liquid processing apparatus, substrate liquid processing method and recording medium

#27
20200385872
2020-12-10

Boric acid-free composition for removing deposits containing cryolite

#28
20200270754
2020-08-27

Method for pickling steel sheets

#29
20200224086
2020-07-16

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#30
20200224085
2020-07-16

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#31
20200115791
2020-04-16

Method of manufacturing sputtering target and sputtering target

#32
20200115790
2020-04-16

Method of manufacturing sputtering target and sputtering target

#33
20200102523
2020-04-02

Cleaning solution and methods of cleaning a turbine engine

#34
20200048774
2020-02-13

ALLOY SURFACE ACTIVATION BY IMMERSION IN AQUEOUS ACID SOLUTION

#35
20200009620
2020-01-09

Equipment cleaning system and method

#36
20190366588
2019-12-05

COMPOSITE AND METHOD FOR MANUFACTURING SAME

#37
20190323131
2019-10-24

FLUORINATED ACID COMPOUNDS, COMPOSITIONS AND METHODS OF USE

#38
20190309431
2019-10-10

Controlled method for applying coating materials to complex heat transfer surfaces

#39
20190292440
2019-09-26

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#40
20190153605
2019-05-23

AQUEOUS ORGANIC ACIDIC SOLUTION FOR STERILIZATION AND MICROBIAL GROWTH INHIBITION

#41
20190027263
2019-01-24

Chemical decontamination method using chelate free chemical decontamination reagent for removal of the dense radioactive oxide layer on the metal surface

#42
20180371573
2018-12-27

Grain-oriented electrical steel sheet and method for manufacturing same

#43
20180355492
2018-12-13

Cleaning compositions and methods for removing oxides from superalloy substrates

#44
20180320261
2018-11-08

Low temperature carburizing method and carburizing apparatus

#45
20180258540
2018-09-13

Fluorinated acid compounds, compositions and methods of use

#46
20180216036
2018-08-02

CLEANING SOLUTION AND METHODS OF CLEANING A TURBINE ENGINE

#47
20180195031
2018-07-12

Process for forming a descaling composition

#48
20180155841
2018-06-07

Fluorinated acid compounds, compositions and methods of use

#49
20180127889
2018-05-10

Zinc coating-forming method for drawing of metallic pipes

#50
20180102194
2018-04-12

Decontamination method reducing radioactive waste

#51
20180094217
2018-04-05

METHOD AND MATERIAL FOR CLEANING METAL SURFACES

#52
20180093305
2018-04-05

USE OF ALKANE SULFONIC ACID FOR CLEANING IN THE SUGAR INDUSTRIES

#53
20180033506
2018-02-01

Method of decontaminating metal surfaces in a cooling system of a nuclear reactor

#54
20180016528
2018-01-18

METHOD OF TREATING A METAL SUBSTRATE

#55
20170198369
2017-07-13

Steel sheet for cans and manufacturing method thereof

#56
20170121829
2017-05-04

Method and apparatus for removing oxide from metallic substrate

#57
20170114900
2017-04-27

Martensitic stainless-steel sheet and metal gasket

#58
20170081774
2017-03-23

Method of anodic treatment for a metal workpiece combined with a non-metallic material

#59
20170081767
2017-03-23

Alloy surface activation by immersion in aqueous acid solution

#60
20170051414
2017-02-23

Treatment device and treatment method for pickling and phosphating metal parts

#61
20170043394
2017-02-16

Method of making sound interface in overcast bimetal components

#62
20160244330
2016-08-25

Method and device for regeneration of hydrochloric acid

#63
20160160361
2016-06-09

Inhibiting Toxicity of Acid Systems Used for Treating Metals

#64
20160145761
2016-05-26

Automated cleaning of wafer plating assembly

#65
20160122199
2016-05-05

Uranium recovery from UF6 cylinders

#66
20160071730
2016-03-10

Method for integrated circuit patterning

#67
20160032186
2016-02-04

Compositions and methods for selectively etching titanium nitride

#68
20160024444
2016-01-28

GEL SOLVENT AND METHOD OF REMOVING DIFFUSION AND OVERLAY COATINGS IN GAS TURBINE ENGINES

#69
20160024438
2016-01-28

Cleaning solution and methods of cleaning a turbine engine

#70
20150355123
2015-12-10

Method for determining whether acidic aqueous solution is usable

#71
20150316938
2015-11-05

Method and apparatus for controlling acid concentration for pickling in cold rolling

#72
20150211130
2015-07-30

ANTI-CORROSIVE AGENT FOR WASHING OF METAL WITH ACID, DETERGENT SOLUTION COMPOSITION, AND METHOD FOR WASHING OF METAL

#73
20150107626
2015-04-23

Descaling system for heat exchange equipment

#74
20150000697
2015-01-01

Oxidizing aqueous cleaner for the removal of post-etch residues

#75
20150000696
2015-01-01

Method for smut removal during stripping of coating

#76
20140338696
2014-11-20

Process for dissolving an oxide layer

#77
20140305468
2014-10-16

METHOD FOR EXFOLIATING COATING LAYER OF ELECTRODE FOR ELECTROLYSIS

#78
20140264154
2014-09-18

Azeotropic compositions of 1,3,3-trichloro-1,1-difluoropropane and hydrogen fluoride

#79
20140123999
2014-05-08

METHOD FOR PRODUCING ELECTRODES

#80
20140007903
2014-01-09

Methods of removing a protective layer

#81
20130316192
2013-11-28

METHOD FOR SURFACE TREATMENT OF A PROTECTIVELY COATED SUBSTRATE

#82
20130276825
2013-10-24

Treatment process for an isomerization unit

#83
20130074870
2013-03-28

TREATMENT PROCESS FOR AN ISOMERIZATION UNIT

#84
20130074560
2013-03-28

Method of treating a metal element for an automobile

#85
20130014780
2013-01-17

Methods of removing a protective layer

#86
20130000681
2013-01-03

METHOD OF CLEANING BEER KEGS, BREWERY, WINERY AND DAIRY PROCESS EQUIPMENT

#87
20120207665
2012-08-16

Treatment of NO-containing gas streams

#88
20120207664
2012-08-16

Systems and methods for recovering nitric acid from pickling solutions

#89
20120000791
2012-01-05

Method of descaling metallic devices

#90
20110186086
2011-08-04

Oxidizing aqueous cleaner for the removal of post-etch residues

#91
20110146712
2011-06-23

Apparatus and process for separation of liquid from a gas

#92
20110130462
2011-06-02

Aqueous Organic Acidic Solution for Sterilization and Microbial Growth Inhibition

#93
20100269854
2010-10-28

Apparatus and method for the continuous pickling of steel strip

#94
20100089761
2010-04-15

Method of surface treatment for metal glass part, and metal glass part with its surface treated by the method

#95
20090298733
2009-12-03

Acid cleaning stripper with visual dosage and rinsing indicator

#96
20090283110
2009-11-19

Method for cleaning hot dip galvanized steel sheet and cleaning apparatus therefor

#97
20090215658
2009-08-27

Oxidizing aqueous cleaner for the removal of post-etch residues

#98
20090032497
2009-02-05

System and method for controlling the application of acid etchers or cleaners by means of color-changing dye

#99
20090032057
2009-02-05

Acid inhibitor compositions for metal cleaning and/or pickling

#100
20090001314
2009-01-01

Compositions for use in semiconductor devices

#101
20080283796
2008-11-20

Compositions for Dissolution of Low-K Dielectric Films, and Methods of Use

#102
20080207477
2008-08-28

Gel containing phosphate salts for passivation

#103
20080169270
2008-07-17

Method of removing a case layer from a metal alloy

#104
20080006606
2008-01-10

Method of dissolving the solids formed in a nuclear plant

#105
20070221245
2007-09-27

Cleaning and polishing rusted iron-containing surfaces

#106
20070209685
2007-09-13

Method of descaling metallic devices

#107
20070039927
2007-02-22

CMP wafer contamination reduced by insitu clean

#108
20060276362
2006-12-07

Solution for removal of magnesium chloride compound from a surface contaminated therewith

#109
20060243390
2006-11-02

Ultrasonic assisted etch using corrosive liquids

#110
20060151433
2006-07-13

Method for removing and recoating of diamond-like carbon films and its products thereof

#111
20060030502
2006-02-09

Solution for removing magnesium chloride compound from a surface contaminated therewith

#112
20050150517
2005-07-14

Removing discoloration in heated metal using vinegar

#113
20050106259
2005-05-19

GRAS two acid low pH compound consisting of citric and hydrochloric or phosphoric acids

#114
20050082254
2005-04-21

Product and method for protecting metal during etching

#115
20050055820
2005-03-17

Method of manufacturing a shaped titanium article

#116
20050035086
2005-02-17

Upgrading aluminide coating on used turbine engine component

#117
20050016959
2005-01-27

Ultrasonic assisted etch using corrosive liquids

#118
20050016565
2005-01-27

Cleaning masks

#119
12705956
2015-08-11

Methods for cleaning distilling columns