ClassID:

120448

C23C22/07 - 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 acidic solutions with pH less than 6 containing phosphates

Sub-classes:
Recent Application in this class:
#1
20260098344
2026-04-09

PLATING BATH SOLUTIONS AND METHODS OF PLATING

#2
20250389003
2025-12-25

STEEL STRIP AND MANUFACTURING METHOD THEREFOR

#3
20250116005
2025-04-10

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

#4
20240360563
2024-10-31

HEXAVALENT CHROMIUM-FREE WATER-BASED SURFACE TREATMENT SOLUTION, SURFACE-TREATED METAL, AND SURFACE TREATMENT METHOD

#5
20240344203
2024-10-17

COATED MAGNETIC MATERIAL AND METHOD OF PRODUCING COATED MAGNETIC MATERIAL

#6
20240158895
2024-05-16

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR FORMING INSULATING COATING

#7
20240150871
2024-05-09

Al-Mg series aluminum alloy sheet, a preparation method and use thereof

#8
20240141470
2024-05-02

SURFACE MODIFICATION OF A ZINC-BASED METAL COATING IN A HOT-DIP COATING PROCESS

#9
20240105384
2024-03-28

Method for forming film and method for manufacturing electrical steel sheet with insulating film

#10
20240033769
2024-02-01

TREATMENT STATION, TREATMENT UNIT, AND METHOD FOR TREATING WORKPIECES

#11
20240026545
2024-01-25

METALLIC SUBSTRATE TREATMENT METHODS AND ARTICLES COMPRISING A PHOSPHONATE FUNCTIONALIZED LAYER

#12
20230113264
2023-04-13

Electrical steel sheet, laminated core and rotating electric machine

#13
20230099830
2023-03-30

CONTROL OF ALUMINUM ALLOY MICROSTRUCTURE FOR IMPROVED CORROSION RESISTANCE AND BONDING PERFORMANCE

#14
20230019066
2023-01-19

METHOD FOR PRODUCING A SURFACE-TREATED AND SURFACE-CONDITIONED STEEL SHEET

#15
20230002910
2023-01-05

METAL SHEET HAVING A DETERMINISTIC SURFACE STRUCTURE AND METHOD FOR PRODUCING A FORMED AND COATED SHEET-METAL COMPONENT

#16
20220372626
2022-11-24

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

#17
20220275481
2022-09-01

HOT STAMPED STEEL

#18
20220261646
2022-08-18

Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor

#19
20220251712
2022-08-11

INSULATION LAYER FORMATION METHOD, MEMBER WITH INSULATION LAYER, RESISTANCE MEASUREMENT METHOD AND JUNCTION RECTIFIER

#20
20220162759
2022-05-26

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

#21
20220145471
2022-05-12

Metallic substrate treatment methods and articles comprising a phosphonate functionalized layer

#22
20220090267
2022-03-24

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#23
20220042136
2022-02-10

Grain-oriented electrical steel sheet and method for manufacturing same

#24
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

#25
20210226283
2021-07-22

ELECTRICITY STORAGE DEVICE CLADDING

#26
20210207272
2021-07-08

MAGNESIUM ALLOY LAYERED COMPOSITES FOR ELECTRONIC DEVICES

#27
20210172072
2021-06-10

METHOD FOR TREATING SURFACE OF ALUMINUM ARTICLE

#28
20210062356
2021-03-04

CONVEYING RACK CLEANING IN AN ELECTRODEPOSITION PROCESS

#29
20200340123
2020-10-29

Method for manufacturing a magnesium material or magnesium alloy material with a coating

#30
20200340122
2020-10-29

PROCESS AND COMPOSITION FOR PASSIVATING METAL SURFACES

#31
20200248313
2020-08-06

Two-step pretreatment system and method

#32
20200207063
2020-07-02

Systems and methods for laminating can end stock

#33
20200082951
2020-03-12

Methods of preserving a nuclear fuel element

#34
20200024744
2020-01-23

Galvanized steel sheet and manufacturing method therefor

#35
20190390350
2019-12-26

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

#36
20190330743
2019-10-31

Method of tin-plating copper alloy for electric or electronic parts and automobile parts and tin-plating material of copper alloy manufactured therefrom

#37
20190292665
2019-09-26

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

#38
20190292402
2019-09-26

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

#39
20190264333
2019-08-29

Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor

#40
20190226093
2019-07-25

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

#41
20190186019
2019-06-20

Receiver unit for accepting a multitude of oblong bodies in a treatment tank

#42
20190186018
2019-06-20

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

#43
20190160519
2019-05-30

AUTOMOBILE PART AND METHOD FOR MANUFACTURING AUTOMOBILE PART

#44
20190032224
2019-01-31

SUPPRESSION OF PHOSPHATE DRAGGING RESULTING FROM THE PLANT DESIGN IN A DIP COATING PROCESS SEQUENCE

#45
20190032223
2019-01-31

Conveyor frame treatment for suppressing phosphate dragging resulting from the plant design in a dip coating process sequence

#46
20180334748
2018-11-22

METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF CONVERSION COATINGS

#47
20180326703
2018-11-15

METAL-PLASTIC COMPOSITE AND METHOD FOR PRODUCING SUCH A COMPOSITE

#48
20180320269
2018-11-08

Composite phosphate coatings

#49
20180312977
2018-11-01

Treatment device for pickling and phosphating metal parts, and treatment method, and treatment plant for galvanizing the metal parts

#50
20180233712
2018-08-16

Shape-forming packaging material, and method for producing power storage device with surface printing

#51
20180230601
2018-08-16

Method for applying ultrafine phosphate conversion crystal coatings

#52
20180187324
2018-07-05

Steel sheet for containers, and method for producing steel sheet for containers

#53
20180187313
2018-07-05

Surface-treated steel sheet for fuel tanks

#54
20180187312
2018-07-05

Surface treatment agent, surface treatment method, and surface treated metal material

#55
20180142358
2018-05-24

METHOD AND REAGENT FOR TREATING BARE COPPER WIRE AND SURFACE-TREATED COPPER WIRE

#56
20180119287
2018-05-03

Surface treatment of metal substrates

#57
20180112314
2018-04-26

Method for specifically adjusting the electrical conductivity of conversion coatings

#58
20180112313
2018-04-26

Method for nickel-free phosphating metal surfaces

#59
20180079174
2018-03-22

Hot-dip zinc-based plated steel sheet

#60
20180033529
2018-02-01

Electrical steel sheet and method for producing electrical steel sheet

#61
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

#62
20170361571
2017-12-21

Steel sheet for a fuel tank

#63
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

#64
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

#65
20170029954
2017-02-02

Method for activating metal surfaces to be phosphated

#66
20160318093
2016-11-03

Automobile part and method for manufacturing automobile part

#67
20160289841
2016-10-06

Method of manufacturing a steel sheet for containers

#68
20160208390
2016-07-21

Treatment liquid for black trivalent chromium conversion coating, trivalent chromium-containing water-soluble liquid for finishing treatment, and treatment method of metal substrate

#69
20160152837
2016-06-02

Metal pretreatment compositions comprising silanes and organophosporus acids

#70
20160035469
2016-02-04

Non-oriented electrical steel sheet and manufacturing method thereof

#71
20160024660
2016-01-28

Method for manufacturing galvanized steel sheet

#72
20160002807
2016-01-07

PROCESS OF MANUFACTURING HIGH-STRENGTH COLD ROLLED STEEL SHEETS

#73
20150340138
2015-11-26

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

#74
20150322575
2015-11-12

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

#75
20150322572
2015-11-12

Method for passivating a metal surface

#76
20150228387
2015-08-13

Powder for powder magnetic core, and powder magnetic core

#77
20150225856
2015-08-13

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

#78
20150218705
2015-08-06

Conversion coating composition, surface treated steel sheet, and method for manufacturing the same

#79
20150217545
2015-08-06

Aluminum resin bonded body and method for producing same

#80
20150194746
2015-07-09

Metallic material for electronic components and method for producing same, and connector terminals, connectors and electronic components using same

#81
20150176138
2015-06-25

Method for corrosion-protective serial surface treatment of metallic components

#82
20150176135
2015-06-25

DRY-IN-PLACE CORROSION-RESISTANT COATING FOR ZINC OR ZINC-ALLOY COATED SUBSTRATES

#83
20150167192
2015-06-18

STEEL SHEET FOR CONTAINER AND METHOD OF MANUFACTURING THE SAME

#84
20150147924
2015-05-28

Metallic material for electronic components and method for producing same, and connector terminals, connectors and electronic components using same

#85
20140305903
2014-10-16

Method for manufacturing a bonded body of galvanized steel sheet and adherend

#86
20130034745
2013-02-07

STEEL SHEET FOR CONTAINER AND METHOD OF MANUFACTURING THE SAME

#87
20120305140
2012-12-06

Non-oriented electrical steel sheet and manufacturing method thereof

#88
20120070674
2012-03-22

Method for coating metal surfaces in a multi-step method

#89
20110159302
2011-06-30

Iron alloy article, iron alloy member, and method for producing the iron alloy article

#90
20110100513
2011-05-05

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

#91
20110008644
2011-01-13

BONDED BODY OF GALVANIZED STEEL SHEET AND ADHEREND, AND MANUFACTURING METHOD THEREOF

#92
20100273015
2010-10-28

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

#93
20100212455
2010-08-26

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

#94
20060283622
2006-12-21

Electric wire having a core of aluminum or aluminum alloy

#95
20050221108
2005-10-06

Surface-treated zinc based metal plated steel plate and method for production thereof

#96
20050141836
2005-06-30

Method of metallizing non-conductive substrates and metallized non-conductive substrates formed thereby