ClassID:

120494

C23C22/60 - 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 alkaline aqueous solutions with pH greater than 8

Sub-classes:
Recent Application in this class:
#1
20240092694
2024-03-21

Methods of surface modification of metal casings and cement sheath bonding

#2
20230193479
2023-06-22

GALVANIZED STEEL SHEET

#3
20220090236
2022-03-24

In-situ magnesium hydroxide nanosheet layer modified magnesium alloy and preparation and application thereof

#4
20210079530
2021-03-18

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

#5
20210079230
2021-03-18

INORGANIC PHOSPHATE CERAMICS AND COATINGS

#6
20200109296
2020-04-09

INORGANIC PHOSPHATE CERAMICS AND COATINGS

#7
20190301023
2019-10-03

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

#8
20190292665
2019-09-26

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

#9
20190292402
2019-09-26

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

#10
20190246636
2019-08-15

Redox Active Metal/Metal Oxide Composites For Antimicrobial Applications

#11
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

#12
20190112714
2019-04-18

Conversion-coated metal plate for non-condensed thermoplastic resin bonding, surface-treated metal plate for non-condensed thermoplastic resin bonding, composite member, and method for producing conversion-coated metal plate for non-condensed thermoplastic resin bonding

#13
20190010613
2019-01-10

Surface-treated steel sheet and method for producing surface-treated steel sheet

#14
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

#15
20180305802
2018-10-25

Surface-treated steel material

#16
20180286526
2018-10-04

Suppression of radionuclide deposition on nuclear power plant components

#17
20180216236
2018-08-02

ALUMINUM ALLOY MATERIAL PRODUCTION METHOD, ALUMINUM ALLOY MATERIAL, AND BONDED ARTICLE

#18
20180202050
2018-07-19

COLOR-TREATED SUBSTRATE AND COLOR TREATMENT METHOD THEREFOR

#19
20180057946
2018-03-01

Conversion coating and method of making

#20
20180057773
2018-03-01

Alkaline molybdenum cation and phosphonate-containing cleaning composition

#21
20170361571
2017-12-21

Steel sheet for a fuel tank

#22
20170356875
2017-12-14

Method for fabricating printed flexible PH sensors

#23
20170314138
2017-11-02

METHOD FOR MANUFACTURING STEEL SHEET COATED WITH ZINC-BASED COATING LAYER (AS AMENDED)

#24
20170306497
2017-10-26

SYSTEM FOR NICKEL-FREE ZINC PHOSPHATE PRETREATMENT

#25
20170297034
2017-10-19

Weld ball collection in a phosphate system

#26
20170247799
2017-08-31

Method for the selective removal of zinc ions from alkaline bath solutions in the serial surface treatment of metal components

#27
20170050215
2017-02-23

Processes and compositions for improving corrosion performance of zirconium oxide pretreated zinc surfaces

#28
20160318100
2016-11-03

Nanometal-flake-graphite composite and method of manufaturing the same

#29
20160237572
2016-08-18

CHEMICAL CONVERSION TREATMENT SOLUTION AND CHEMICALLY CONVERTED STEEL SHEET

#30
20160108260
2016-04-21

Aqueous stripping composition for metal surfaces

#31
20160024660
2016-01-28

Method for manufacturing galvanized steel sheet

#32
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

#33
20160002753
2016-01-07

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

#34
20150376418
2015-12-31

Inorganic phosphate ceramics and coatings

#35
20150361274
2015-12-17

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

#36
20150307996
2015-10-29

Process and seal coat for improving paint adhesion

#37
20150267101
2015-09-24

Coolant having rapid metal passivation properties

#38
20150225856
2015-08-13

Method for the manufacture of a substrate provided with a chromium VI-free and cobalt-free passivation

#39
20150191605
2015-07-09

Passivating alkaline composition on the basis of water glass

#40
20150176138
2015-06-25

Method for corrosion-protective serial surface treatment of metallic components

#41
20150152565
2015-06-04

Method of treating gold or gold alloy with a surface treatment solution comprising a disulfide compound

#42
20150079298
2015-03-19

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

#43
20140360630
2014-12-11

Pretreating zinc surfaces prior to a passivating process

#44
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

#45
20140314967
2014-10-23

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

#46
20140061529
2014-03-06

Coolant having rapid metal passivation properties

#47
20140023882
2014-01-23

Multi-stage anti-corrosion treatment of metal components having zinc surfaces

#48
20130343689
2013-12-26

Roller bearing

#49
20130295292
2013-11-07

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

#50
20130202800
2013-08-08

Composition for the alkaline passivation of zinc surfaces

#51
20130071675
2013-03-21

Compositions for application to a metal substrate

#52
20120208043
2012-08-16

Galvanized steel sheet

#53
20120160372
2012-06-28

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

#54
20120152754
2012-06-21

Process and seal coat for improving paint adhesion

#55
20120121929
2012-05-17

Mildly alkaline thin inorganic corrosion protective coating for metal substrates

#56
20120097545
2012-04-26

SILVER ELECTROPLATED AND/OR SILVER ALLOY ELECTROPLATED ARTICLE HAVING AN OXIDATION LAYER ON ITS SURFACE

#57
20120088122
2012-04-12

GALVANIZED STEEL SHEET

#58
20110155287
2011-06-30

Method for conversion treating surface of magnesium alloy workpiece

#59
20110143130
2011-06-16

CHROMIUM-FREE METAL SURFACE TREATMENT AGENT

#60
20110117381
2011-05-19

MILDLY ALKALINE THIN INORGANIC CORROSION PROTECTIVE COATING FOR METAL SUBSTRATES

#61
20110086173
2011-04-14

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

#62
20110039115
2011-02-17

PROCESS FOR COATING METALLIC SURFACES WITH A SILANE-RICH COMPOSITION

#63
20110011498
2011-01-20

Colored conversion layers devoid of chrome formed on metal surfaces

#64
20100297454
2010-11-25

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

#65
20100273015
2010-10-28

Copolymers, method for producing them and their use for treating surfaces

#66
20100221568
2010-09-02

Silicon-Based Anticorrosive Agent

#67
20100154673
2010-06-24

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

#68
20100145432
2010-06-10

IMPLANT AND METHOD FOR PRODUCING THE SAME

#69
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

#70
20100029814
2010-02-04

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

#71
20090304917
2009-12-10

METHOD FOR APPLYING HIGHLY DURABLE REPAIR-COATING

#72
20090252952
2009-10-08

SURFACE TREATED CR-FREE STEEL SHEET FOR USED IN FUEL TANK, PREPARING METHOD THEREOF AND TREATMENT COMPOSITION THEREFOR

#73
20090202859
2009-08-13

Composite coated zinc-containing plated steel material superior in corrosion resistance, blackening resistance, coating adhesion, and alkali resistance

#74
20090162678
2009-06-25

MAGNESIUM ALLOY ARTICLE AND METHOD FOR FABRICATING THE SAME

#75
20090159158
2009-06-25

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

#76
20080280029
2008-11-13

Surface treatment method for solder joint

#77
20080248317
2008-10-09

METAL SURFACE TREATING AGENT, SURFACE TREATED STEEL MATERIAL AND TREATING METHOD, AND COATED STEEL MATERIAL AND ITS PRODUCTION METHOD

#78
20070039829
2007-02-22

Pretreatment of magnesium substrates for electroplating

#79
20060272748
2006-12-07

Colored conversion layers devoid of chrome formed on metal surfaces

#80
20060193988
2006-08-31

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

#81
20060172145
2006-08-03

Chromium-free metal surface treatment agent

#82
20060127681
2006-06-15

Method for coating metallic surfaces with a silane-rich composition

#83
20060100112
2006-05-11

Lubricant coated sheet metal with improved deformation properties

#84
20060099429
2006-05-11

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

#85
20060086281
2006-04-27

Coating composition for a metal substrate

#86
20060083942
2006-04-20

Conversion layer for bases made of zinc or zinc alloys

#87
20060049383
2006-03-09

Complex mixtures of ions and processes for deposition

#88
20050175848
2005-08-11

Surface-treated steel plate for bearing seal and bearing seal and bearing using the same

#89
20050126921
2005-06-16

Method for the darkening of a surface layer of a piece of material containing zinc

#90
20050058843
2005-03-17

Silane coatings for metal

#91
20050037227
2005-02-17

Chromium-free metal surface treatment agent

#92
20050019496
2005-01-27

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