ClassID:

120509

C23C22/82 - CPC Classification

Classification description:

Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals After-treatment

Sub-classes:
Recent Application in this class:
#1
20250389003
2025-12-25

STEEL STRIP AND MANUFACTURING METHOD THEREFOR

#2
20250372334
2025-12-04

EMITTER, ELECTRON GUN AND ELECTRONIC APPARATUS, AND EMITTER MANUFACTURING METHOD

#3
20250347002
2025-11-13

SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING SYSTEM

#4
20250183050
2025-06-05

METHOD FOR TREATING OBJECT TO BE TREATED, TREATMENT LIQUID, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE

#5
20250066922
2025-02-27

A COATING FOR GRAIN-ORIENTED SILICON STEEL COATING LAYER, AND GRAIN-ORIENTED SILICON STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#6
20250059648
2025-02-20

INSULATING COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME

#7
20250059647
2025-02-20

Surface Adjuster for Zinc Phosphate Chemical Conversion Treatment

#8
20250034403
2025-01-30

UV-CURABLE PRECURSOR SOLUTIONS FOR DEPOSITION OF MIXED METAL OXIDE FILMS CONTAINING TITANIUM, AND OPTICAL ELEMENTS FORMED BY LIQUID PHASE DEPOSITION OF METAL OXIDE FILMS

#9
20250003078
2025-01-02

ZnAlMg-Coated Metal Sheet with Improved Flexibility and Corresponding Manufacturing Process

#10
20240344203
2024-10-17

COATED MAGNETIC MATERIAL AND METHOD OF PRODUCING COATED MAGNETIC MATERIAL

#11
20240271272
2024-08-15

SEMICONDUCTOR DEVICE PATTERNING METHODS

#12
20240229245
2024-07-11

COATED AND PLATED STEEL SHEET OR COATED AND PLATED STEEL STRIP

#13
20240209513
2024-06-27

PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS

#14
20240186042
2024-06-06

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#15
20240133041
2024-04-25

COATED AND PLATED STEEL SHEET OR COATED AND PLATED STEEL STRIP

#16
20240093375
2024-03-21

Metal sheet treatment method and metal sheet treated with this method

#17
20240092694
2024-03-21

Methods of surface modification of metal casings and cement sheath bonding

#18
20240044010
2024-02-08

CHEMICAL SURFACE TREATMENT METHOD OF METAL FOR BONDING MATERIALS

#19
20230395291
2023-12-07

Non-oriented electrical steel sheet and method for producing same

#20
20230383413
2023-11-30

Workpiece Plating Treatment Method and Workpiece Manufacturing Method

#21
20230243060
2023-08-03

THERMALLY MODIFIED OXIDE BASED PRETREATMENTS FOR METALS AND METHODS OF MAKING THE SAME

#22
20230212755
2023-07-06

SURFACE COATING FOR DEGRADABLE MAGNESIUM AND MAGNESIUM ALLOYS AND METHOD FOR PREPARING THE SAME

#23
20230144193
2023-05-11

Chemical conversion treatment liquid and production method for member having surface provided with chemical conversion film

#24
20230142926
2023-05-11

Semiconductor device patterning methods

#25
20230107608
2023-04-06

CONVERSION COATING FOR CANS CONTAINING HYDROGEN SULFIDE PRODUCING LIQUIDS

#26
20230079198
2023-03-16

Transparent conductive film, method of manufacturing same, thin film transistor, and device including same

#27
20220372626
2022-11-24

RUST-PROOFING TREATMENT METHOD, AND RUST-PROOFING-TREATED ARTICLE

#28
20220364240
2022-11-17

BISMUTH COMPOSITIONS FOR METAL PRETREATMENT APPLICATIONS

#29
20220341043
2022-10-27

NON-ORIENTED ELECTRICAL STEEL SHEET AND SURFACE TREATMENT AGENT FOR NON-ORIENTED ELECTRICAL STEEL SHEET

#30
20220341034
2022-10-27

Metal-doped boron films

#31
20220231171
2022-07-21

Method of controlling oxygen vacancy concentration in a semiconducting metal oxide

#32
20220195616
2022-06-23

SEALED ANODIZATION LAYER

#33
20220161192
2022-05-26

METHOD FOR OPERATING A TREATMENT SYSTEM, TREATMENT SYSTEM, AND USE OF A TREATMENT SYSTEM

#34
20220127717
2022-04-28

Selective Deposition Of A Heterocyclic Passivation Film On A Metal Surface

#35
20220119959
2022-04-21

AQUEOUS POST TREATMENT COMPOSITION AND METHOD FOR CORROSION PROTECTION

#36
20220119957
2022-04-21

Alternative composition and alternative method for effectively phosphating metal surfaces

#37
20220112606
2022-04-14

METHOD FOR PASSIVATING AN ALUMINUM SURFACE PROVIDED WITH A FLUX

#38
20220090269
2022-03-24

CONTINUOUS SURFACE TREATMENT FOR COILS MADE OF ALUMINUM ALLOYS SHEETS

#39
20220049359
2022-02-17

Treatment agent for chromium-free insulating coating formation, insulation-coated grain-oriented electrical steel sheet, and method for manufacturing the same

#40
20220042176
2022-02-10

ADVANCED ANTICORROSION COATINGS ON LIGHTWEIGHT MAGNESIUM ALLOYS BY ATMOSPHERIC CO2 PLASMA TREATMENT

#41
20220042136
2022-02-10

Grain-oriented electrical steel sheet and method for manufacturing same

#42
20220002456
2022-01-06

Polymers for metal surface treatment

#43
20210388504
2021-12-16

Surface treatment solution composition containing trivalent chromium and inorganic compound, and method for manufacturing hot dip galvanized steel sheet surface-treated using same

#44
20210355584
2021-11-18

Method for treating surfaces of aluminum containing substrates

#45
20210348278
2021-11-11

Solution based corrosion inhibitors for aluminum alloy thermal spray coatings

#46
20210310129
2021-10-07

ZnAlMg-coated metal sheet with improved flexibility and corresponding manufacturing process

#47
20210301392
2021-09-30

Selective deposition of silicon oxide on dielectric surfaces relative to metal surfaces

#48
20210299716
2021-09-30

CLEANING APPARATUS, SURFACE TREATMENT APPARATUS, AND CLEANING METHOD

#49
20210292907
2021-09-23

Pretreatment Composition

#50
20210269921
2021-09-02

Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coating

#51
20210079530
2021-03-18

METHOD OF SURFACE TREATMENT OF ZINC-CONTAINING METAL SUBSTRATE, AND SURFACE-TREATED ZINC-CONTAINING METAL SUBSTRATE

#52
20210035718
2021-02-04

Insulating coating-attached electrical steel sheet and manufacturing method therefor

#53
20200378009
2020-12-03

METHOD FOR THE SURFACE MODIFICATION OF AT LEAST ONE COMPONENT AND REACTOR DEVICE FOR CARRYING OUT THE METHOD

#54
20200316912
2020-10-08

Surface-treated metal plate for polyolefin resin bonding and composite member using same

#55
20200299844
2020-09-24

Metal sheet treatment method and metal sheet treated with this method

#56
20200291527
2020-09-17

Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface—treated with same, and method for manufacturing galvanized

#57
20200283908
2020-09-10

PROTECTIVE COATING COMPOSITION AND COATED METALLIC SUBSTRATE COMPRISING SAME

#58
20200248313
2020-08-06

Two-step pretreatment system and method

#59
20200208273
2020-07-02

Two-stage pretreatment of aluminum, in particular aluminum casting alloys, comprising pickle and conversion treatment

#60
20200115803
2020-04-16

Rust prevention member and method for producing same

#61
20200075768
2020-03-05

Coating liquid for forming metal oxide film, oxide film, field-effect transistor, and method for producing the same

#62
20200071834
2020-03-05

COATING METHOD OF APATITE USING LASER

#63
20200051756
2020-02-13

Method for preparing polyaniline/ruthenium oxide/tin dioxide composite electrode material

#64
20200040460
2020-02-06

Composition for forming coating, production method for surface-treated metal member, and production method for metal-resin composite

#65
20200032398
2020-01-30

SURFACE TREATMENT PLANT, PRECONDITIONING APPARATUS AND PROCESS FOR TREATING PROCESS MEDIUM AND/OR RINSING MEDIUM

#66
20190330744
2019-10-31

Process for the manufacturing of a steel strip for packaging and associated equipment

#67
20190301023
2019-10-03

Reaction products of catechol compounds and functionalized co-reactant compounds for metal pretreatment applications

#68
20190292665
2019-09-26

Use of preformed reaction products of catechol compounds and functionalized co-reactant compounds to reduce oxidation of bare metal surfaces

#69
20190292402
2019-09-26

Treatment of conversion-coated metal substrates with preformed reaction products of catechol compounds and functionalized co-reactant compounds

#70
20190271085
2019-09-05

Processing method and processing apparatus of metal member

#71
20190264334
2019-08-29

Surface-treatment solution composition containing trivalent chromium and inorganic compound, zinc-based plated steel sheet surface-treated using same, and method for producing same

#72
20190242018
2019-08-08

Surface-treatment solution for zinc or zinc alloy coated steel sheet, method of producing zinc or zinc alloy coated steel sheet with surface-coating layer, and zinc or zinc alloy coated steel sheet with surface-coating layer

#73
20190233943
2019-08-01

COATED SUBSTRATE HAVING CORROSION RESISTANT COATING

#74
20190186018
2019-06-20

Grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet

#75
20190169754
2019-06-06

Metal sheet having oiled Zn—Al—Mg coatings

#76
20190160500
2019-05-30

Colored stainless steel plate and colored stainless steel coil

#77
20190136067
2019-05-09

Iron particle passivation

#78
20190127854
2019-05-02

Method for nickel-free phosphating metal surfaces

#79
20190093206
2019-03-28

Method for manufacturing zinc-based coated steel sheet

#80
20190032222
2019-01-31

SHEET STEEL WITH A CONVERSION COATING, METHOD OF PRODUCING CONVERSION-COATED SHEET STEEL AND TREATMENT AGENT FOR APPLICATION OF A CONVERSION COATING ON SHEET STEEL

#81
20180347052
2018-12-06

HIGH MOLECULAR MASS, SATURATED HYDROCARBON ACID BASED CHEMICAL CONVERSION COATING COMPOSITION

#82
20180334748
2018-11-22

METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF CONVERSION COATINGS

#83
20180251899
2018-09-06

INSULATIVE COATING PROCESSING LIQUID AND METHOD FOR MANUFACTURING METAL HAVING INSULATIVE COATING

#84
20180237919
2018-08-23

PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM-AND MOLYBDENUM-CONTAINING COMPOSITIONS

#85
20180187313
2018-07-05

Surface-treated steel sheet for fuel tanks

#86
20180187311
2018-07-05

Protective aluminum oxide surface coatings and low-temperature forming process for high-temperature applications

#87
20180135668
2018-05-17

Fixing band for constant-velocity universal joint boot

#88
20180112314
2018-04-26

Method for specifically adjusting the electrical conductivity of conversion coatings

#89
20180112313
2018-04-26

Method for nickel-free phosphating metal surfaces

#90
20180087158
2018-03-29

Insulation-coated oriented magnetic steel sheet and method for manufacturing same

#91
20180045357
2018-02-15

Coated metal pipe for vehicle piping and method for producing same

#92
20180016682
2018-01-18

METHOD FOR PRODUCING COATED METAL STRIP

#93
20180015694
2018-01-18

Preparation method of a coated sheet comprising the application of an aqueous solution comprising an amino acid and its associated use for improving the compatibility with an adhesive

#94
20170370005
2017-12-28

Additive manufacturing processing with oxidation

#95
20170342587
2017-11-30

OBJECT PROCESSING BY CONVERSION COATING

#96
20170313887
2017-11-02

Insulating coating composition for oriented electrical steel sheet, oriented electrical steel sheet having insulating coating formed on surface thereof by using same, and preparation method therefor

#97
20170292193
2017-10-12

Method for making corrosion resistant coating

#98
20170264066
2017-09-14

Method for producing organic microdisk structure

#99
20170261148
2017-09-14

METAL CONNECTOR OR ADAPTOR FOR HYDRAULIC OR OIL DYNAMIC APPLICATION AT HIGH PRESSURE AND RELATIVE GALVANIC TREATMENT FOR CORROSION PROTECTION

#100
20170218519
2017-08-03

Coated metal sheet, method for manufacturing same, and exterior building material

#101
20170159870
2017-06-08

Methods for providing prophylactic surface treatment for fluid processing systems and components thereof

#102
20170137947
2017-05-18

PROCESSES AND COMPOSITIONS FOR IMPROVING CORROSION PERFORMANCE OF ZIRCONIUM OXIDE PRETREATED ZINC SURFACES

#103
20170107626
2017-04-20

Process for the manufacturing of a steel strip for packaging and associated equipment

#104
20170058405
2017-03-02

Slurry formulations for formation of reactive element-doped aluminide coatings and methods of forming the same

#105
20170051413
2017-02-23

Method of thermally treating black plate coated with a conversion coating

#106
20170001717
2017-01-05

Aircraft landing gear struts coated with a zinc-nickel alloy

#107
20160376710
2016-12-29

METHOD AND APPARATUS TO ABATE PYROPHORIC BYPRODUCTS FROM ION IMPLANT PROCESS

#108
20160340787
2016-11-24

Coatings for Metal Surfaces

#109
20160319435
2016-11-03

Multilayer coating

#110
20160289843
2016-10-06

SURFACE-TREATED STEEL SHEET, ORGANIC RESIN-COATED METAL CONTAINER AND PROCESS FOR PRODUCING SURFACE-TREATED STEEL SHEET

#111
20160289841
2016-10-06

Method of manufacturing a steel sheet for containers

#112
20160265116
2016-09-15

Method for preparing shaped metal bodies for cold working

#113
20160251761
2016-09-01

ZnAlMg-Coated Metal Sheet with Improved Flexibility and Corresponding Manufacturing Process

#114
20160238185
2016-08-18

Methods for providing prophylactic surface treatment for fluid processing systems and components thereof

#115
20160215124
2016-07-28

THERMOPLASTIC RESIN COMPOSITION, RESIN MOLDED ARTICLE, AND METHOD FOR MANUFACTURING THE RESIN MOLDED ARTICLE WITH PLATING LAYER

#116
20160177106
2016-06-23

Hydrogen-bonding surfaces for ice mitigation

#117
20160168683
2016-06-16

Methods for producing a pre-lacquered metal sheet having Zn—Al—Mg coatings and corresponding metal sheet

#118
20160160356
2016-06-09

Processes for producing a multilayer coating

#119
20160153107
2016-06-02

Multi-layered coating film formation method

#120
20160145759
2016-05-26

Metal surface treatment agent, and metal surface treatment method

#121
20160060765
2016-03-03

Surface processing method for aluminum heat exchanger

#122
20160040298
2016-02-11

Chemical conversion agent and metal surface treatment method

#123
20150361274
2015-12-17

METHOD FOR COATING METALLIC SURFACES WITH A COMPOSITION THAT IS RICH IN POLYMERS

#124
20150340138
2015-11-26

Iron-based soft magnetic powder for dust core, method for manufacturing the same, and dust core

#125
20150329952
2015-11-19

METHODS FOR PRODUCING A PRE-LACQUERED METAL SHEET HAVING ZN-AL-MG COATINGS AND CORRESPONDING METAL SHEET

#126
20150322575
2015-11-12

Trivalent chromium passivation and pretreatment composition and method for zinc-containing metals

#127
20150287983
2015-10-08

Method for producing anode active material for secondary battery, anode active material for secondary battery, method for producing anode for secondary battery, anode for secondary battery, and secondary battery

#128
20150252480
2015-09-10

Chromium-free conversion coating

#129
20150236319
2015-08-20

Stainless separator for fuel cell and method of manufacturing the same

#130
20150226150
2015-08-13

Engine piston and a process for making an engine piston

#131
20150211140
2015-07-30

Composition for Metal Surface Treatment, Metal Surface Treatment Method, and Metal Material

#132
20150176136
2015-06-25

Paint pretreatment agent for coating-type paint, and coating-type painting method

#133
20150140280
2015-05-21

Method of treating surface of metal base metallic material treated by the surface treatment method and method of coating the metallic material

#134
20150104590
2015-04-16

Method For Marking A Metal Substrate By Means Of The Incorporation Of Inorganic Luminescent Particles

#135
20150099076
2015-04-09

PROCESS FOR MANUFACTURING A COMPOSITE MATERIAL

#136
20150090369
2015-04-02

Corrosion prevention of magnesium surfaces via surface conversion treatments using ionic liquids

#137
20150083276
2015-03-26

Method for producing black-plated steel sheet, and method for producing molded article of black-plated steel sheet

#138
20150064482
2015-03-05

VEHICLE BODY AND METHOD FOR COATING A VEHICLE BODY

#139
20150024222
2015-01-22

METHOD FOR PASSIVATION OF STRIP BLACK PLATE

#140
20140341678
2014-11-20

Aluminum alloy strip with improved surface appearance

#141
20140287137
2014-09-25

Method for rust-proofing mold

#142
20140234544
2014-08-21

SURFACE TREATMENT AGENT FOR ALUMINUM HEAT EXCHANGERS AND SURFACE TREATMENT METHOD

#143
20130209830
2013-08-15

STEEL SHEET FOR CONTAINERS AND MANUFACTURING METHOD FOR SAME

#144
20130206284
2013-08-15

Method for Producing a Hot-Formed and Hardened Steel Component Coated with a Metallic Anti-Corrosion Coating from a Sheet Steel Product

#145
20130011688
2013-01-10

Corrosion Resistant Metal Coating and Method of Making Same

#146
20120208043
2012-08-16

Galvanized steel sheet

#147
20120064369
2012-03-15

Steel sheet for container use with excellent organic film performance and method of production of same

#148
20120031765
2012-02-09

Process for the enhanced corrosion protection of valve metals

#149
20120031531
2012-02-09

Hot dip galvanized steel sheet and method for manufacturing same

#150
20110100513
2011-05-05

Trivalent chromium passivation and pretreatment composition and method for zinc-containing metals

#151
20110086173
2011-04-14

Method for coating metallic surfaces with a mixture containing at least two silanes

#152
20110076505
2011-03-31

Metallic material and method of manufacturing the same

#153
20110039115
2011-02-17

PROCESS FOR COATING METALLIC SURFACES WITH A SILANE-RICH COMPOSITION

#154
20100305684
2010-12-02

Biodegradable stent and method for manufacturing the same

#155
20100212455
2010-08-26

IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, METHOD FOR MANUFACTURING THE SAME, AND DUST CORE

#156
20100170594
2010-07-08

Method of treating surface of metal base metallic material treated by the surface treatment method and method of coating the metallic material

#157
20100132844
2010-06-03

Method for the thermochemical passivation of stainless steel

#158
20100112378
2010-05-06

Methods for providing prophylactic surface treatment for fluid processing systems and components thereof

#159
20100101962
2010-04-29

Immersion method

#160
20090311534
2009-12-17

METHODS AND SYSTEMS FOR IMPROVING AN ORGANIC FINISH ADHESION TO ALUMINUM COMPONENTS

#161
20090269649
2009-10-29

Stainless separator for fuel cell and method of manufacturing the same

#162
20090239093
2009-09-24

Composition for metal surface treatment, metal surface treatment method and metal material

#163
20090220805
2009-09-03

Method for processing a crosslinkable elastomeric composition comprising Silica

#164
20090060828
2009-03-05

Fluorine extraction process for fluoro-refractory coatings and articles manufactured according to said process

#165
20070298277
2007-12-27

METAL PHOSPHATE COATING FOR OXIDATION RESISTANCE

#166
20070122645
2007-05-31

Coated metal plate with excellent corrosion resistance and reduced environmental impact

#167
20070079906
2007-04-12

Method for covering copper with patina

#168
20070023115
2007-02-01

Method of making metal surfaces wettable

#169
20070003706
2007-01-04

Hot dip galvanized steel sheet and method for manufacturing same

#170
20060237097
2006-10-26

Immersion method

#171
20060193988
2006-08-31

Method for coating metallic surfaces with a mixture containing at least two silanes

#172
20060127681
2006-06-15

Method for coating metallic surfaces with a silane-rich composition

#173
20060099429
2006-05-11

Method for coating metallic surfaces with a composition that is rich in polymers

#174
20060054248
2006-03-16

Colored trivalent chromate coating for zinc

#175
20050287376
2005-12-29

Corrosion protection of zinc surfaces

#176
20050268991
2005-12-08

Corrosion resistance enhancement of tin surfaces

#177
18141863
2024-03-26

Method of making rutile/anatase TIO2 layer via CO2 laser

#178
14950802
2017-01-17

Separation of alpha emitting species from plating baths