ClassID:

120504

C23C22/74 - 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 characterised by the process for obtaining burned-in conversion coatings

Recent Application in this class:
#1
20250066922
2025-02-27

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

#2
20240044009
2024-02-08

COATING FILM FORMATION METHOD

#3
20230175090
2023-06-08

GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#4
20220162759
2022-05-26

Coated metal, coating-forming treatment solution, and method for producing coated metal

#5
20220098692
2022-03-31

Grain-oriented electrical steel sheet and method for manufacturing same

#6
20220090226
2022-03-24

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#7
20210310128
2021-10-07

Non-chromatic conversion coating system and method

#8
20210310096
2021-10-07

Method for manufacturing a grain-oriented electrical steel sheet

#9
20210287834
2021-09-16

Grain-oriented magnetic steel sheets having chromium-free insulating tension coating, and methods for producing such steel sheets

#10
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

#11
20210202145
2021-07-01

ELECTRICAL STEEL SHEET HAVING INSULATING COATING, METHOD FOR PRODUCING THE SAME, TRANSFORMER CORE AND TRANSFORMER USING THE ELECTRICAL STEEL SHEET, AND METHOD FOR REDUCING DIELECTRIC LOSS IN TRANSFORMER

#12
20200399750
2020-12-24

Zinc-based plated steel sheet having post-treated coating formed thereon

#13
20200216964
2020-07-09

Metal sheet treatment method and metal sheet treated with this method

#14
20200024742
2020-01-23

High-strength cold-rolled steel sheet

#15
20190382615
2019-12-19

Method for coating metal surfaces of substrates, and objects coated according to said method

#16
20190226093
2019-07-25

Coated metal, coating-forming treatment solution, and method for producing coated metal

#17
20190186018
2019-06-20

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

#18
20180371622
2018-12-27

Inorganic non-chrome aqueous treatment composition and process for coating metal surfaces

#19
20180371621
2018-12-27

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#20
20180371620
2018-12-27

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#21
20180312936
2018-11-01

Composition for forming insulation film of oriented electrical steel sheet, method for forming insulation film by using same, and oriented electrical steel sheet having insulation film formed therein

#22
20180195175
2018-07-12

Non-chromatic conversion coating system and method

#23
20180155840
2018-06-07

Insulating coating for electrical steel sheet

#24
20180087158
2018-03-29

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

#25
20180080127
2018-03-22

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

#26
20180057946
2018-03-01

Conversion coating and method of making

#27
20180033529
2018-02-01

Electrical steel sheet and method for producing electrical steel sheet

#28
20170369735
2017-12-28

Chrome free coating composition having excellent blackening resistance and corrosion resistance, and surface-treated steel sheet

#29
20170342569
2017-11-30

Electrical steel sheet

#30
20170342568
2017-11-30

Electrical steel sheet

#31
20170341107
2017-11-30

Electrical steel sheet

#32
20170335464
2017-11-23

Electrical steel sheet

#33
20170275730
2017-09-28

Hearth roll for continuous annealing furnaces, and method for manufacturing same

#34
20170233871
2017-08-17

Pre-coating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet comprising same, and manufacturing method therefor

#35
20170204275
2017-07-20

Binder composition, a method of manufacturing a corrosion-resistant sacrificial protective coating using said composition, and a support coated with such a coating

#36
20170159870
2017-06-08

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

#37
20170081542
2017-03-23

Method for Coating Metal Surfaces of Substrates and Objects Coated in Accordance With Said Method

#38
20160322138
2016-11-03

Coating agent for electrical steel sheet, manufacturing method therefor and electrical steel sheet coating method using same

#39
20160319435
2016-11-03

Multilayer coating

#40
20160305026
2016-10-20

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#41
20160260531
2016-09-08

Grain-oriented electrical steel sheet having excellent magnetic characteristics and coating adhesion

#42
20160238185
2016-08-18

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

#43
20160222250
2016-08-04

Sol-gel coating method and composition

#44
20160068687
2016-03-10

Aqueous hydrophilizing surface treatment agent, hydrophilic coating film and hydrophilizing surface treatment method

#45
20160060765
2016-03-03

Surface processing method for aluminum heat exchanger

#46
20160060465
2016-03-03

Chromium-free coating for the electrical insulation of grain-oriented electrical steel strip

#47
20160035469
2016-02-04

Non-oriented electrical steel sheet and manufacturing method thereof

#48
20160024309
2016-01-28

Aqueous agent and coating method for the anticorrosive treatment of metallic substrates

#49
20150368158
2015-12-24

Solution for forming insulation coating and grain-oriented electrical steel sheet

#50
20150337141
2015-11-26

Method of manufacturing a corrosion-resistant sacrificial protective coating

#51
20150322288
2015-11-12

Method for coating metal surfaces of substrates, and objects coated according to said method

#52
20150132547
2015-05-14

Grain-oriented electrical steel sheet and method for improving iron loss properties thereof

#53
20150090369
2015-04-02

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

#54
20150064354
2015-03-05

Cr(VI)-free corrosion protection layers or adhesion promoter layers produced using a solution comprising phosphate ions and metal powder, wherein the metal powder is coated at least partly with Si or Si alloys

#55
20150010762
2015-01-08

Grain-oriented electrical steel sheet

#56
20150007908
2015-01-08

Method of producing grain-oriented electrical steel sheet

#57
20140342180
2014-11-20

Surface-treatment solution for zinc or zinc alloy coated steel sheet and method for manufacturing zinc or zinc alloy coated steel sheet

#58
20140287137
2014-09-25

Method for rust-proofing mold

#59
20140251514
2014-09-11

Grain-oriented electrical steel sheet and method of producing the same

#60
20140251503
2014-09-11

High temperature conversion coating on steel and iron substrates

#61
20140142218
2014-05-22

Sol-gel coating method and composition

#62
20140097089
2014-04-10

Microcrystalline anodic coatings and related methods therefor

#63
20140004380
2014-01-02

Method for producing a grain-orientated electric strip

#64
20130295292
2013-11-07

Aqueous composition for pretreating a metal surface before applying another coating or for treating said surface

#65
20130209789
2013-08-15

Electrical steel sheet and method of manufacturing the same

#66
20130189490
2013-07-25

Grain oriented electrical steel sheet

#67
20130115470
2013-05-09

PREPARATION FOR PASSIVATING METALLIC SURFACES, COMPRISING ACID-FUNCTIONAL POLYMERS AND TI OR ZR COMPOUNDS

#68
20130115444
2013-05-09

Magnetic steel sheet with semi-organic insulation coating

#69
20130115443
2013-05-09

Electrical steel sheet and method for manufacturing the same

#70
20130034742
2013-02-07

Zirconium pretreatment compositions containing a rare earth metal, associated methods for treating metal substrates, and related coated metal substrates

#71
20130000372
2013-01-03

Process for producing a coated metal strip

#72
20120305140
2012-12-06

Non-oriented electrical steel sheet and manufacturing method thereof

#73
20120301744
2012-11-29

ELECTRICAL STEEL SHEET PROVIDED WITH INSULATING COATING WHICH HAS INORGANIC WITH SOME ORGANIC MATERIALS

#74
20120251742
2012-10-04

Nanoparticle surface treatment

#75
20120112862
2012-05-10

Rare earth magnet and method for manufacturing same

#76
20120085261
2012-04-12

CERAMIC PARTICLES AND COATING COMPOSITIONS INCLUDING SAID PARTICLES

#77
20120070585
2012-03-22

MANGANESE BASED COATING FOR WEAR AND CORROSION RESISTANCE

#78
20120031302
2012-02-09

Aqueous silane systems based on tris(alkoxysilylalkyl)amines and the use thereof

#79
20120009340
2012-01-12

METHOD FOR PRODUCING DEFORMABLE CORROSION PROTECTION LAYERS ON METAL SURFACES

#80
20110300406
2011-12-08

PAINTED METAL PARTS WITH NON-HEXAVALENT CHROMIUM CHEMICAL CONVERSION COATING AND PROCESS

#81
20110284383
2011-11-24

Sealed anodic coatings

#82
20110284381
2011-11-24

Microcrystalline anodic coatings and related methods therefor

#83
20110281124
2011-11-17

Solution and process for increasing the solderability and corrosion resistance of a metal or metal alloy surface

#84
20110281118
2011-11-17

Surface treatment agent for galvanized steel sheets, galvanized steel sheets and production methods thereof

#85
20110236581
2011-09-29

Treatment solution for insulation coating for grain-oriented electrical steel sheets and method for producing grain-oriented electrical steel sheet having insulation coating

#86
20110163013
2011-07-07

Apparatus and Method for Moving Particles in a Fluid

#87
20110159175
2011-06-30

METHODS FOR INHIBITING CORROSION OF HIGH STRENGTH STEEL TURBINE COMPONENTS

#88
20110091654
2011-04-21

Anti-corrosive hybrid sol-gel film on metallic substrates and method of producing the same

#89
20110086173
2011-04-14

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

#90
20110067786
2011-03-24

Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating

#91
20110039122
2011-02-17

Method for Producing a Grain-Oriented Magnetic Strip

#92
20110039120
2011-02-17

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#93
20110039115
2011-02-17

PROCESS FOR COATING METALLIC SURFACES WITH A SILANE-RICH COMPOSITION

#94
20110039114
2011-02-17

Grain-oriented electrical steel sheet and producing method therefor

#95
20100304129
2010-12-02

Coating of a functional component that is subject to thermal loads and erosion, mold-release agent and method for producing said coating

#96
20100297344
2010-11-25

Passivating means, surface treatment means, surface treatment spray means and method for treating metallic surfaces of work pieces or cast molds

#97
20100288158
2010-11-18

High temperature resistant coating compositions

#98
20100237224
2010-09-23

Mold-release layer for use in the casting of nonferrous metals

#99
20100212542
2010-08-26

Composition for chemical conversion treatment and member having a chemical conversion coating formed by the treatment

#100
20100212541
2010-08-26

Material Composition for Producing a Coating for a Component made from a Metallic Base Material, and Coated Metallic Component

#101
20100206437
2010-08-19

Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating

#102
20100196727
2010-08-05

Solution and process for increasing the solderability and corrosion resistance of metal or metal alloy surface

#103
20100183813
2010-07-22

Aluminum phosphate compounds, compositions, materials and related metal coatings

#104
20100160102
2010-06-24

CHROMIUM(VI)-FREE COMPOSITION FOR PROTECTION OF A GALVANIZED METAL SURFACE AGAINST CORROSION, PROCESS FOR PRODUCING IT AND PULLEY

#105
20100132844
2010-06-03

Method for the thermochemical passivation of stainless steel

#106
20100129672
2010-05-27

EASY-TO-CLEAN ARTICLE WITH STAINLESS STEEL SURFACE AND METHOD OF MAKING THE SAME

#107
20100112378
2010-05-06

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

#108
20100101962
2010-04-29

Immersion method

#109
20100055327
2010-03-04

Method for applying an anti-corrosion coating on parts of a duct including the use of a silane aqueous solution and an epoxy powdery paint

#110
20100047592
2010-02-25

Process for producing a component of a turbine, and a component of a turbine

#111
20100013585
2010-01-21

Process for producing highly anticorrosive rare earth permanent magnet and method of using the same

#112
20100006001
2010-01-14

Particulate corrosion resistant coating composition

#113
20090324837
2009-12-31

Coating solution for forming insulating film with excellent corrosion resistance property and film close adhesion property and film intensity without chrome and a method for making the insulation film on non-oriented electrical steel sheet by using it

#114
20090311545
2009-12-17

Method of coating and induction heating a component

#115
20090250142
2009-10-08

Mg or Mg-Alloy Housing and Method for Producing the Same

#116
20090246389
2009-10-01

High temperature resistant coating compositions

#117
20090233114
2009-09-17

Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film

#118
20090220773
2009-09-03

COATING OF A THERMALLY AND EROSIVELY STRESSED FUNCTIONAL COMPONENT

#119
20090214883
2009-08-27

CHROMIUM-FREE, THERMALLY CURABLE CORROSION PROTECTION COMPOSITION

#120
20090208764
2009-08-20

Grain-oriented electrical steel sheet having insulating film not containing chromium and insulating film agent of same

#121
20090194203
2009-08-06

METHOD OF MANUFACTURING A BLADE WITH HIGH HARDNESS NITRIDE LAYER

#122
20090155621
2009-06-18

Tin-plated steel sheet

#123
20090110834
2009-04-30

Corrosion and abrasion resistant coating

#124
20090064893
2009-03-12

High Temperature Amorphous Composition Based on Aluminum Phosphate

#125
20090050288
2009-02-26

Form release layer for the casting nonferrous metals

#126
20090050182
2009-02-26

Corrosion resistant substrate and method for producing the same

#127
20090005233
2009-01-01

Component with a ceramic coating, into which particles are embedded, and method for producing said component

#128
20080318035
2008-12-25

Manganese based coating for wear and corrosion resistance

#129
20080258114
2008-10-23

Pigment grade corrosion inhibitor host-guest compositions and procedure

#130
20080245260
2008-10-09

PARTICULAR NANOSTRUCTURED MATERIAL, AS PROTECTIVE COATING FOR METALLIC SURFACES

#131
20080190520
2008-08-14

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

#132
20080124561
2008-05-29

Gasket material and production method thereof

#133
20080111027
2008-05-15

Sol-gel coating method and composition

#134
20080050581
2008-02-28

Rare Earth Magnet and Method for Manufacturing Same

#135
20080038471
2008-02-14

Coating Method

#136
20080020133
2008-01-24

Method of Producing Metal Oxide Film

#137
20080000383
2008-01-03

Anticorrosive coating compositions

#138
20070289490
2007-12-20

Material composition for producing a coating for a component made from a metallic base material, and coated metallic component

#139
20070141371
2007-06-21

Particulate corrosion resistant coating composition, coated turbine component and method for coating same

#140
20070141370
2007-06-21

Nanoparticle surface treatment

#141
20070090329
2007-04-26

Storage stable composition of partial and/or complete condensate of hydrolyzable organofunctional silane

#142
20060237097
2006-10-26

Immersion method

#143
20060234070
2006-10-19

Polyester conversion coated metal or its alloys

#144
20060233958
2006-10-19

Non-chromate aqueous metal surface treating composition, surface-treated steel, painted steel, steel surface treatment method, and painted steel preparing method

#145
20060228568
2006-10-12

Steel sheet coated with chemical conversion film and process for producing the same

#146
20060228470
2006-10-12

No-rinse pretreatment methods and compositions

#147
20060204665
2006-09-14

Liquid electrostatic coating composition comprising corrosion resistant metal particulates and method for using same

#148
20060193988
2006-08-31

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

#149
20060188731
2006-08-24

Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor

#150
20060127694
2006-06-15

Corrosion resistant coating composition, coated turbine component and method for coating same

#151
20060127681
2006-06-15

Method for coating metallic surfaces with a silane-rich composition

#152
20060112849
2006-06-01

Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor

#153
20060110670
2006-05-25

In situ method for passivating the surface of a photoreceptor substrate

#154
20060099429
2006-05-11

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

#155
20060054249
2006-03-16

Mg or Mg-alloy housing and method for producing the same

#156
20050268991
2005-12-08

Corrosion resistance enhancement of tin surfaces

#157
20050233134
2005-10-20

Surface-treated metal, method for producing the same, exhaust component for two-wheeled vehicle or four-wheeled vehicle, and interior and exterior component for domestic appliance

#158
20050118334
2005-06-02

PROCESS FOR INHIBITING SRZ FORMATION AND COATING SYSTEM THEREFOR

#159
20050064107
2005-03-24

Method for producing coated steel sheet

#160
20050022693
2005-02-03

Pigment grade corrosion inhibitor host-guest compositions and procedure

#161
20050020746
2005-01-27

Coating composition