ClassID:

120500

C23C22/68 - 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 using aqueous solutions using aqueous solutions with pH between 6 and 8

Recent Application in this class:
#1
20250101595
2025-03-27

CARBON DIOXIDE FOR PASSIVATION OF GALVANIZED SURFACES THAT ARE EXPOSED TO WATER DURING OPERATION

#2
20240401204
2024-12-05

METHOD AND COMPOSITION FOR ADJUSTING HYDROPHILICITY OF METAL USING A POLYPHENOL AND A SILANE MODIFIED NANO PARTICULATE OR AMINO ACID AMND SILICA

#3
20240301563
2024-09-12

AZOLE COMPOUNDS AS CORROSION INHIBITORS

#4
20240044010
2024-02-08

CHEMICAL SURFACE TREATMENT METHOD OF METAL FOR BONDING MATERIALS

#5
20230374666
2023-11-23

METAL SURFACE TREATMENT

#6
20230148232
2023-05-11

FUNCTIONAL MATERIAL AND METHOD FOR PRODUCING SAME

#7
20230002909
2023-01-05

COATING FOR CORROSION PROTECTION

#8
20220380904
2022-12-01

PERMANGANATE BASED CONVERSION COATING COMPOSITIONS

#9
20220042176
2022-02-10

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

#10
20210102076
2021-04-08

Film-forming treatment liquid

#11
20210017652
2021-01-21

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

#12
20200399750
2020-12-24

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

#13
20200354837
2020-11-12

Permanganate based conversion coating compositions

#14
20200318252
2020-10-08

METAL SHEET WITH ZINC HYDROXYSULFATE/ZINC SULFATE-BASED PROTECTION LAYER

#15
20200316912
2020-10-08

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

#16
20200299844
2020-09-24

Metal sheet treatment method and metal sheet treated with this method

#17
20200283909
2020-09-10

Methods and systems for patinating zinc surfaces

#18
20200216964
2020-07-09

Metal sheet treatment method and metal sheet treated with this method

#19
20200165731
2020-05-28

Corrosion inhibitor and water conditioning agent

#20
20200157394
2020-05-21

Film-forming composition, method for producing surface-treated metal member, and method for producing metal-resin composite

#21
20200123665
2020-04-23

BONDING SUBSTRATE AND METHOD FOR PROTECTING SURFACES INTENDED FOR WIRE BONDING

#22
20200087792
2020-03-19

Water-based treatment solution, chemical conversion treatment method, and chemical-conversion-treated steel sheet

#23
20190316260
2019-10-17

COATING TREATMENT SOLUTION, METHOD OF PRODUCING THE SAME, AND METHOD OF PRODUCING COATING MATERIAL

#24
20190301024
2019-10-03

Process for the rapid blackening of surgical needles

#25
20190257786
2019-08-22

Printed flexible sensors

#26
20190249309
2019-08-15

Method for producing piping and method for forming oxide film on inner surface of copper pipe

#27
20190211215
2019-07-11

Corrosion inhibitor-incorporated layered double hydroxide and sol-gel coating compositions and related processes

#28
20190203360
2019-07-04

Method for treatment of a chromium finish surface

#29
20190186020
2019-06-20

Inorganic phosphate corrosion resistant coatings

#30
20190153238
2019-05-23

Aqueous corrosion protection formulation based on silanes

#31
20190127857
2019-05-02

Surface treatment method of aluminum for bonding different materials

#32
20190112691
2019-04-18

ALUMINUM ALLOY MATERIAL AND PRODUCTION METHOD THEREFOR, AND ALUMINUM ALLOY CLADDING MATERIAL USING ALUMINUM ALLOY MATERIAL

#33
20190032225
2019-01-31

Pretreatment compositions, coated aluminum alloys, and methods of making the same

#34
20180347053
2018-12-06

Passivation mixture and systems and methods for selectively passivating substrate materials including germanium or type III-IV materials using the passivation mixture

#35
20180286526
2018-10-04

Suppression of radionuclide deposition on nuclear power plant components

#36
20180265992
2018-09-20

Coating carbon steel tubing with iron sulfide

#37
20180251869
2018-09-06

Electrical steel sheet with insulating coating

#38
20180236678
2018-08-23

Shaving article with surface modification

#39
20180230600
2018-08-16

Abrasion- and Peel-Resistant Sol-Gel Coating on Aluminum and Method for Producing a Coating of This Type

#40
20180153660
2018-06-07

PROCESS FOR THE PREPARATION OF A TOPOGRAPHY FOR IMPROVED PROTEIN ADHERENCE ON A BODY MADE OF TITANIUM OR A TITANIUM ALLOY

#41
20180142360
2018-05-24

Pickling and passive film treating agent for removing scales and rusts on welding parts of stainless steel pipes and structures

#42
20180072019
2018-03-15

CONDUCTIVE SUBSTRATE

#43
20180057946
2018-03-01

Conversion coating and method of making

#44
20180033620
2018-02-01

ROOM TEMPERATURE METHOD FOR THE PRODUCTION OF ELECTROTECHNICAL THIN LAYERS, THE USE OF SAME, AND A THIN LAYER HEATING SYSTEM OBTAINED IN THIS MANNER

#45
20180022938
2018-01-25

Corrosion inhibitor-incorporated layered double hydroxide and sol-gel coating compositions and related processes

#46
20180016681
2018-01-18

Method for the production of a coated metal sheet, comprising the application of an aqueous solution containing an amino acid, and associated use in order to improve tribological properties

#47
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

#48
20170370004
2017-12-28

Process for the rapid blackening of surgical needles

#49
20170356875
2017-12-14

Method for fabricating printed flexible PH sensors

#50
20170306497
2017-10-26

SYSTEM FOR NICKEL-FREE ZINC PHOSPHATE PRETREATMENT

#51
20170203235
2017-07-20

MESH COMPRISING A SURFACE OF HYDRATED ALUMINUM OXIDES AND THEIR USE FOR OIL-WATER SEPARATION

#52
20170073818
2017-03-16

Composition for blackening copper-based or silver-based metals

#53
20170037517
2017-02-09

Method for passivating a metallic surface

#54
20160379754
2016-12-29

METHOD FOR PRODUCING A FERROMAGNETIC COMPONENT FOR A TORQUE SENSOR OF A VEHICLE STEERING SHAFT, AND TORQUE SENSOR

#55
20160342242
2016-11-24

Conductive substrate, conductive substrate laminate, method for producing conductive substrate, and method for producing conductive substrate laminate

#56
20160319436
2016-11-03

Inorganic phosphate corrosion resistant coatings

#57
20160298239
2016-10-13

Method of producing hot-stamped article

#58
20160289843
2016-10-06

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

#59
20160177454
2016-06-23

METHOD FOR THE SURFACE TREATMENT OF CORTEN STEEL

#60
20160175957
2016-06-23

Method and apparatus for manufacturing aluminum product

#61
20160160357
2016-06-09

Method for improving adherence

#62
20160138167
2016-05-19

Metal sheet treatment method for reducing blackening or tarnishing during the storage thereof and metal sheet treated with this method

#63
20160040300
2016-02-11

Azole Compounds as Corrosion Inhibitors

#64
20160010216
2016-01-14

Method for the production of metal sheet having a ZnMg or ZnAlMg coating, comprising the application of a basic solution of a magnesium ion complexing agent, and resulting metal sheet

#65
20160002753
2016-01-07

Aluminum-zinc plated steel sheet and method for producing the same

#66
20150361274
2015-12-17

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

#67
20150307996
2015-10-29

Process and seal coat for improving paint adhesion

#68
20150299864
2015-10-22

METAL SURFACE TREATMENT LIQUID, SURFACE TREATMENT METHOD FOR METAL BASES, AND METAL BASE OBTAINED BY SURFACE TREATMENT METHOD FOR METAL BASES

#69
20150292073
2015-10-15

Method for producing hot-dip Zn alloy-plated steel sheet

#70
20150284854
2015-10-08

Method for coating metallic surfaces with nanocrystalline zinc oxide layers, aqueous compositions therefor and use of the surfaces coated in this way

#71
20150259776
2015-09-17

Method for producing hot-dip Zn alloy-plated steel sheet

#72
20150217545
2015-08-06

Aluminum resin bonded body and method for producing same

#73
20150093594
2015-04-02

Solution for reducing the blackening or tarnishing of a metal sheet and metal sheet

#74
20150079298
2015-03-19

Process for coating metallic surfaces with coating compositions containing particles of a layered double hydroxide

#75
20150020562
2015-01-22

Plated steel plate for hot pressing and hot pressing method of plated steel plate

#76
20140367360
2014-12-18

Wear-resistant material, puffer cylinder, and puffer-type gas circuit breaker

#77
20140314967
2014-10-23

Aqueous phase pore sealing agent imroving PCB coating oxidation-resistant and corrosion-resistant properties and method for using same

#78
20140287137
2014-09-25

Method for rust-proofing mold

#79
20140190368
2014-07-10

Methods and compositions for coating aluminum substrates

#80
20140017514
2014-01-16

Finishing agent for trivalent chromium chemical conversion coating film, and method for finishing black trivalent chromium chemical conversion coating film

#81
20130295292
2013-11-07

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

#82
20130177709
2013-07-11

Finishing agent for chemical conversion coating and method for producing same

#83
20120288723
2012-11-15

Corrosion protection coatings and methods of making the same

#84
20120260821
2012-10-18

Coating-forming liquid composition and coating-forming method therewith

#85
20120237399
2012-09-20

Modification of surfaces to increase the surface tension

#86
20120205011
2012-08-16

Protective conversion coating on mixed-metal substrates and methods thereof

#87
20120160372
2012-06-28

Surface conditioning composition, method for producing the same, and surface conditioning method

#88
20120152754
2012-06-21

Process and seal coat for improving paint adhesion

#89
20120145282
2012-06-14

Chromium-and-fluorine-free chemical conversion treatment solution for metal surfaces, metal surface treatment method, and metal surface coating method

#90
20120135267
2012-05-31

Passivant for hot-dip Al-Zn-coated sheet and preparation method and use thereof

#91
20120097295
2012-04-26

HALOGEN-FREE TRIVALENT CHROMIUM CONVERSION COATING

#92
20120064369
2012-03-15

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

#93
20120055629
2012-03-08

Magnesium alloy member

#94
20120000412
2012-01-05

Method of colouring tin and tin-containing articles

#95
20110300390
2011-12-08

Corrosion resistant metallate compositions

#96
20110247728
2011-10-13

Halogen-free trivalent chromium conversion coating

#97
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

#98
20110155287
2011-06-30

Method for conversion treating surface of magnesium alloy workpiece

#99
20110143910
2011-06-16

Inorganic phosphate compositions and methods

#100
20110143154
2011-06-16

Inorganic phosphate corrosion resistant coatings

#101
20110100512
2011-05-05

Quaternary ammonium salts as a conversion coating or coating enhancement

#102
20110086173
2011-04-14

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

#103
20110070429
2011-03-24

Corrosion-resistant coating for active metals

#104
20110039115
2011-02-17

PROCESS FOR COATING METALLIC SURFACES WITH A SILANE-RICH COMPOSITION

#105
20110031126
2011-02-10

Electrocoating process for mixed-metal automotive bodies-in-white

#106
20110030852
2011-02-10

Method for producing pieces having a modified surface

#107
20110024688
2011-02-03

Corrosion protection coatings and methods of making the same

#108
20110005287
2011-01-13

Method for improving light gauge building materials

#109
20110003162
2011-01-06

MAGNESIUM ALLOY MEMBER

#110
20100297454
2010-11-25

Surface-Treating Aqueous Solution and Treatment Methods for Forming Corrosion-Resistant Coating Film Over Zinc or Zinc Alloy Deposit

#111
20100297354
2010-11-25

COMPOSITIONS AND METHODS FOR DARKENING AND IMPARTING CORROSION-RESISTANT PROPERTIES TO ZINC OR OTHER ACTIVE METALS

#112
20100261024
2010-10-14

SURFACE-TREATED METAL MATERIAL EXCELLENT IN RESISTANCE AGAINST GALVANIC CORROSION AND JOINED ARTICLE OF DISSIMILAR MATERIALS INCLUDING THE SURFACE-TREATED METAL MATERIAL

#113
20100206527
2010-08-19

In-Situ Treatment of Metallic Surfaces

#114
20100154673
2010-06-24

Compositions and processes for deposition of metal ions onto surfaces of conductive substrates

#115
20100098959
2010-04-22

COMPOSITIONS BASED ON CARBOXYLIC ACIDS FOR TEMPORARY PROTECTION OF METALLIC SURFACES AND DRY FILMS OBTAINED FROM SAID COMPOSITION

#116
20100035055
2010-02-11

Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet

#117
20100029814
2010-02-04

SURFACE CONDITIONING COMPOSITION, METHOD FOR PRODUCING THE SAME, AND SURFACE CONDITIONING METHOD

#118
20090304937
2009-12-10

Compositions and Method for Coating Metal Surfaces With an Alkoxysilane Coating

#119
20090290675
2009-11-26

METHOD AND APPARATUS FOR SUPPRESSING CORROSION OF CARBON STEEL, METHOD FOR SUPPRESSING DEPOSIT OF RADIONUCLIDE ONTO CARBON STEEL MEMBERS COMPOSING A NUCLEAR POWER PLANT, AND FILM FORMATION APPARATUS

#120
20090280258
2009-11-12

Methods and compositions for coating aluminum substrates

#121
20090280254
2009-11-12

Composition for coloring solder

#122
20090274841
2009-11-05

PROCESS FOR COATING AND CLEANING METAL SURFACES

#123
20090220689
2009-09-03

Articles having improved corrosion resistance

#124
20090162678
2009-06-25

MAGNESIUM ALLOY ARTICLE AND METHOD FOR FABRICATING THE SAME

#125
20090159158
2009-06-25

Phosphating solution and method for conversion treating surface of magnesium alloy workpiece

#126
20090132048
2009-05-21

Biodegrading Coatings of Salt for Protecting Implants Against Organic Contaminants

#127
20090117342
2009-05-07

Method for preparing conductive pattern and conductive pattern prepared by the method

#128
20090045379
2009-02-19

METHODS AND COMPOSITIONS FOR PASSIVATING HEAT EXCHANGER SYSTEMS

#129
20090003507
2009-01-01

METHOD AND APPARATUS FOR SUPPRESSING CORROSION OF CARBON STEEL, METHOD FOR SUPPRESSING DEPOSIT OF RADIONUCLIDE ONTO CARBON STEEL MEMBERS COMPOSING A NUCLEAR POWER PLANT, AND FILM FORMATION APPARATUS

#130
20080308192
2008-12-18

Hydroxysulfate Surface Treatment

#131
20080243242
2008-10-02

METHOD FOR PRODUCING A CORROSION-INHIBITING COATING ON AN IMPLANT MADE OF A BIO-CORRODIBLE MAGNESIUM ALLOY AND IMPLANT PRODUCED ACCORDING TO THE METHOD

#132
20080241411
2008-10-02

SURFACE TREATMENT METHOD OF TITANIUM OR TITANIUM ALLOY

#133
20080184755
2008-08-07

Lubrication of magnesium workpieces for hot forming

#134
20080160328
2008-07-03

Halogen-free trivalent chromium conversion coating

#135
20080127859
2008-06-05

Method for Coating Metallic Surfaces with an Aqueous Multi-Component Composition

#136
20080118646
2008-05-22

Siloxane oligomer treatment for metals

#137
20080102212
2008-05-01

Chromium-free rust inhibitive treatment method for metal products having zinc surface and metal products treated thereby

#138
20070298175
2007-12-27

Process for Coating and Cleaning Metal Surfaces

#139
20070298174
2007-12-27

Method for coating metallic surfaces with an aqueous composition

#140
20070261765
2007-11-15

Article having a hexavalent-chromium-free, corrosion-inhibiting organic conversion coating thereon, and its preparation

#141
20070084404
2007-04-19

Reactor surface passivation through chemical deactivation

#142
20070079906
2007-04-12

Method for covering copper with patina

#143
20070048539
2007-03-01

Aluminum alloy sheet for superplastic forming

#144
20060286393
2006-12-21

Composition and process for improving the adhesion of a siccative organic coating compositions to metal substrates

#145
20060257682
2006-11-16

Corrosion protection of galvanized steel using a cerium salt-based solution and detection of the amount of corrosion resistance enhancement

#146
20060228569
2006-10-12

Production method of substrate with black film and substrate with black film

#147
20060213389
2006-09-28

Compositions and methods for darkening and imparting corrosion-resistant properties to zinc or other active metals

#148
20060193988
2006-08-31

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

#149
20060191869
2006-08-31

Method for roughening copper surfaces for bonding to substrates

#150
20060174978
2006-08-10

Modification of surfaces to increase the surface tension

#151
20060166013
2006-07-27

Chromium-free rust inhibitive treatment method for metal products having zinc surface and metal products treated thereby

#152
20060162820
2006-07-27

Nitrogenous polymers for metal surface treatment

#153
20060151071
2006-07-13

Quaternary ammonium salts as a conversion coating or coating enhancement

#154
20060138383
2006-06-29

Heat-transfer medium and methods of making and using the same

#155
20060127681
2006-06-15

Method for coating metallic surfaces with a silane-rich composition

#156
20060118216
2006-06-08

Method for producing pieces having a modified surface

#157
20060113509
2006-06-01

Hydrophobic-hydrophilic compounds for treating metallic surfaces

#158
20060100112
2006-05-11

Lubricant coated sheet metal with improved deformation properties

#159
20060099429
2006-05-11

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

#160
20060049382
2006-03-09

Metal surface protective film forming agent and use thereof

#161
20050287376
2005-12-29

Corrosion protection of zinc surfaces

#162
20050234184
2005-10-20

Use of polyisobutylene derivatives for treating metal surfaces

#163
20050221013
2005-10-06

Corrosion inhibition method

#164
20050186347
2005-08-25

Method of protecting metals from corrosion using thiol compounds

#165
20050179001
2005-08-18

Heat-transfer medium and methods of making and using the same

#166
20050103229
2005-05-19

Aqueous agent for treating substrate, method for treating substrate and treated substrate

#167
20050067056
2005-03-31

Metal oxide and/or metal hydroxide coated metal materials and method for their production

#168
20050058843
2005-03-17

Silane coatings for metal

#169
20050048211
2005-03-03

Composition and process for improving the adhesion of a siccative organic coating compositions to metal substrates

#170
20050037208
2005-02-17

Surface-coated A1/Zn steel sheets and surface coating agent

#171
20050019496
2005-01-27

Method for preparation of metal wire rod for use in plastic working

#172
20050012077
2005-01-20

Quaternary ammonium carbonates and bicarbonates as anticorrosive agents

#173
20050003978
2005-01-06

Quaternary ammonium carbonates and bicarbonates as anticorrosive agents