ClassID:

120470

C23C22/34 - 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 fluorides or complex fluorides

Sub-classes:
Recent Application in this class:
#1
20260055511
2026-02-26

ENVIRONMENT-FRIENDLY WATER-BASED TREATMENT AGENT FOR IMPROVING PHOSPHATABILITY OF HIGH-STRENGTH STEEL

#2
20250340753
2025-11-06

THIN CORROSION PROTECTIVE COATINGS INCORPORATING POLYAMIDOAMINE POLYMERS

#3
20250084536
2025-03-13

CHEMICAL TREATMENT LIQUID AND METHOD FOR CHEMICAL TREATMENT OF TARGET METAL MATERIAL

#4
20250051591
2025-02-13

ALUMINUM HEAT EXCHANGER

#5
20250003078
2025-01-02

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

#6
20240254631
2024-08-01

METHOD FOR COATING ZINC DIE-CAST PARTS, MULTI-LAYERED COATING FOR THE PROTECTION OF ZINC DIE-CAST PARTS, AND COATED ZINC DIE-CAST PART

#7
20240200198
2024-06-20

CHEMICAL CONVERSION COATING AGENT, SURFACE-TREATED METAL AND SURFACE TREATMENT METHOD

#8
20240167164
2024-05-23

SYSTEMS AND METHODS FOR TREATING A SUBSTRATE

#9
20240043713
2024-02-08

PROCESS FOR CORROSION-PROTECTING PRETREATMENT OF A METALLIC SURFACE CONTAINING STEEL, GALVANIZED STEEL, ALUMINUM, AN ALUMINUM ALLOY, MAGNESIUM AND/OR A ZINC-MAGNESIUM ALLOY

#10
20240011162
2024-01-11

TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS

#11
20230374665
2023-11-23

CR(III) BASED DRY-IN-PLACE COATING COMPOSITION FOR ZINC COATED STEEL

#12
20230295809
2023-09-21

Compositions And Methods for Pickling and Passivation of Stainless Steel Welds

#13
20230160068
2023-05-25

METHOD FOR FORMING A BLACK-PASSIVATION LAYER ON A ZINC-IRON ALLOY AND BLACK- PASSIVATION COMPOSITION

#14
20230091443
2023-03-23

ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING

#15
20230074169
2023-03-09

SYSTEMS AND METHODS FOR TREATING A METAL SUBSTRATE

#16
20230018337
2023-01-19

METHOD FOR PRODUCING A DIAPHRAGM FOR AN ULTRASONIC SENSOR, AND DIAPHRAGM FOR AN ULTRASONIC TRANSDUCER

#17
20220403525
2022-12-22

Composite coating for eliminating pollution by heavy metal chromium and VOCs from source and preparation method

#18
20220396884
2022-12-15

Trivalent chromium chemical conversion treatment liquid for zinc or zinc alloy base and chemical conversion treatment method using the same

#19
20220316084
2022-10-06

Method of performing pre-paint treatment of automobile body and automobile body

#20
20220290304
2022-09-15

ALUMINUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING SAME

#21
20220162760
2022-05-26

PHOSPHATE-FREE CLEANER FOR METALLIC SURFACES WITH REDUCED PICKLING EROSION

#22
20220119650
2022-04-21

METHOD FOR ANTI-CORROSION TREATMENT OF A METAL SURFACE WITH REDUCED PICKLING MATERIAL

#23
20220112606
2022-04-14

METHOD FOR PASSIVATING AN ALUMINUM SURFACE PROVIDED WITH A FLUX

#24
20220090269
2022-03-24

CONTINUOUS SURFACE TREATMENT FOR COILS MADE OF ALUMINUM ALLOYS SHEETS

#25
20220002456
2022-01-06

Polymers for metal surface treatment

#26
20210395895
2021-12-23

Cold rolled steel sheet for zirconium-based chemical conversion treatment, method for producing same, zirconium-based chemical conversion-treated steel sheet, and method for producing same

#27
20210388231
2021-12-16

THIN CORROSION PROTECTIVE COATINGS INCORPORATING POLYAMIDOAMINE POLYMERS

#28
20210348278
2021-11-11

Solution based corrosion inhibitors for aluminum alloy thermal spray coatings

#29
20210310129
2021-10-07

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

#30
20210269654
2021-09-02

Method for treating metallic surfaces with an acidic aqueous composition to improve corrosion resistance

#31
20210254203
2021-08-19

Austenitic stainless steel having excellent electrical conductivity, and method for manufacturing same

#32
20210253870
2021-08-19

Method for treating surfaces of aluminum containing substrates

#33
20210230751
2021-07-29

Method of Forming Corrosion Resistant Coating and Related Apparatus

#34
20210222013
2021-07-22

METHOD FOR ANTI-CORROSION TREATMENT OF A METAL SURFACE WITH REDUCED PICKLING MATERIAL

#35
20210163757
2021-06-03

Method for treating metallic surfaces with an acidic aqueous composition and a post rinsing composition to improve corrosion resistance

#36
20210071304
2021-03-11

Surface Treatment Agent, and Aluminum or Aluminum Alloy Material Having Surface Treatment Coating and Method of Producing the Same

#37
20210062345
2021-03-04

Austenitic heat resistant alloy and method for producing the same

#38
20210054509
2021-02-25

Austenitic heat resistant alloy and method for producing same, and austenitic heat-resistant alloy material

#39
20200399765
2020-12-24

Sn-plated steel sheet and method for manufacturing Sn-plated steel sheet

#40
20200362461
2020-11-19

Metallic material surface treatment agent, metallic material having surface treatment coating, and manufacturing method therefor

#41
20200332419
2020-10-22

Surface Treatment Agent, Method for Producing Aluminum Alloy Material for Cans, Said Aluminum Alloy Material Having Surface-Treated Coating Film, and Aluminum Alloy Can Body and Can Lid Using Same

#42
20200299847
2020-09-24

Method for pretreating aluminum materials, particularly aluminum wheels

#43
20200283907
2020-09-10

Method for producing chemically treated alloy material, and chemical treatment solution regeneration apparatus used in method for producing chemically treated alloy material

#44
20200283897
2020-09-10

Method of forming a fluorinated metal film

#45
20200216963
2020-07-09

Titanium-based coatings and methods for making coatings

#46
20200208273
2020-07-02

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

#47
20200181778
2020-06-11

Composition for coating of metallic surfaces with good adhesion, in particular aluminum materials

#48
20200131642
2020-04-30

TREATMENT METHOD USING ZINC PHOSPHATE-FREE TREATMENT AGENT THAT INCLUDES CATIONIC URETHANE RESIN, AND TREATED AUTOMOBILE COMPONENT

#49
20200087792
2020-03-19

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

#50
20200079963
2020-03-12

Passive coatings for bulk aluminum and powder pigments

#51
20200048775
2020-02-13

Aqueous acidic composition for treating metal surfaces, treating method using this composition and use of treated metal surface

#52
20200040461
2020-02-06

CHROMATING METHOD AND COMPONENT OBTAINED BY THIS METHOD

#53
20200032398
2020-01-30

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

#54
20190382902
2019-12-19

pH Stable Trivalent Chromium Coating Solutions

#55
20190382615
2019-12-19

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

#56
20190330745
2019-10-31

Method for anti-corrosion pre-treatment of a metal surface containing steel, galvanised steel, aluminium, magnesium and/or a zinc-magnesium alloy

#57
20190323128
2019-10-24

Chemical conversion treatment agent, method for producing chemical conversion coating, metal material having chemical conversion coating, and painted metal material

#58
20190284700
2019-09-19

Method for corrosion-protective and cleaning pretreatment of metallic components

#59
20190249030
2019-08-15

Process for corrosion-protecting pretreatment of a metallic surface containing steel, galvanized steel, aluminum, an aluminum alloy, magnesium and/or a zinc-magnesium alloy

#60
20190237429
2019-08-01

Hybrid wafer-to-wafer bonding and methods of surface preparation for wafers comprising an aluminum metalization

#61
20190233943
2019-08-01

COATED SUBSTRATE HAVING CORROSION RESISTANT COATING

#62
20190177853
2019-06-13

Use of an adhesion promoter obtainable as a reaction product of a di- or poly amine with α,β-unsaturated carboxylic acid derivatives for metal surface treatment

#63
20190145009
2019-05-16

CONVERSION COATINGS FOR METAL SURFACES

#64
20190136385
2019-05-09

CHEMICAL CONVERSION BATH REPLENISHMENT METHOD

#65
20190136383
2019-05-09

Trivalent chromium chemical conversion liquid for zinc or zinc alloy bases and chemical conversion coating film

#66
20190119817
2019-04-25

ALUMINUM MATERIAL SURFACE TREATMENT METHOD, SURFACE TREATMENT APPARATUS, AND TREATED SURFACE ALUMINUM MATERIAL

#67
20190093206
2019-03-28

Method for manufacturing zinc-based coated steel sheet

#68
20190085462
2019-03-21

Trivalent chromium-containing composition for aluminum and aluminum alloys

#69
20190040530
2019-02-07

Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates

#70
20190010610
2019-01-10

Fluoride-free zirconium-based metal pre-treatment for passivation

#71
20190003056
2019-01-03

Method of forming corrosion resistant coating and related apparatus

#72
20180334748
2018-11-22

METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF CONVERSION COATINGS

#73
20180327909
2018-11-15

pH stable trivalent chromium coating solutions

#74
20180320101
2018-11-08

Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material

#75
20180237920
2018-08-23

Conversion coating composition comprising a dye and a method for coating a metal surface with said conversion coating composition

#76
20180237918
2018-08-23

Metal pretreatment composition containing zirconium, copper, zinc and nitrate and related coatings on metal substrates

#77
20180179635
2018-06-28

Surface-treated aluminum plate, organic-resin-coated surface-treated aluminum plate, can body and can lid formed by using the same

#78
20180155829
2018-06-07

Cleaning method and film deposition apparatus executing the cleaning method for uniformly cleaning rotary table

#79
20180142104
2018-05-24

Surface treatment composition

#80
20180112314
2018-04-26

Method for specifically adjusting the electrical conductivity of conversion coatings

#81
20180112313
2018-04-26

Method for nickel-free phosphating metal surfaces

#82
20180057946
2018-03-01

Conversion coating and method of making

#83
20180057773
2018-03-01

Alkaline molybdenum cation and phosphonate-containing cleaning composition

#84
20180051377
2018-02-22

Polymer-containing pre-rinse prior to a conversion treatment

#85
20180047997
2018-02-15

Titanium product, separator, and proton exchange membrane fuel cell, and method for producing titanium product

#86
20180045357
2018-02-15

Coated metal pipe for vehicle piping and method for producing same

#87
20180037770
2018-02-08

Thin corrosion protective coatings incorporating polyamidoamine polymers

#88
20170338037
2017-11-23

Planar transformer components comprising electrophoretically deposited coating

#89
20170292193
2017-10-12

Method for making corrosion resistant coating

#90
20170283955
2017-10-05

Optimized process control in the anti-corrosive metal pretreatment based on fluoride-containing baths

#91
20170283652
2017-10-05

CAN PRETREATMENT FOR IMPROVED COATING ADHESION

#92
20170130339
2017-05-11

Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates

#93
20170100746
2017-04-13

Coated metal plate and exterior building material

#94
20170096573
2017-04-06

Chemical conversion-treated steel sheet and method for producing same, and chemical conversion treatment solution

#95
20170081542
2017-03-23

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

#96
20170051412
2017-02-23

Can pretreatment for improved coat adhesion

#97
20170050215
2017-02-23

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

#98
20170016120
2017-01-19

Chromium-free conversion coating

#99
20170016119
2017-01-19

Two-stage pre-treatment of aluminum comprising pickling and passivation

#100
20170009351
2017-01-12

Method for Coating Metal Surfaces, Substrates Coated in This Way, and Use Thereof

#101
20160305027
2016-10-20

FLAT PRODUCT WITH A COATING SYSTEM AND PROCESS FOR COATING SAID FLAT PRODUCT

#102
20160289841
2016-10-06

Method of manufacturing a steel sheet for containers

#103
20160251761
2016-09-01

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

#104
20160244884
2016-08-25

Surface treatment agent for metal material and production method for surface-treated metal material

#105
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

#106
20160201199
2016-07-14

Wet on Wet Method and Chrome-Free Acidic Solution for the Corrosion Control Treatment of Steel Surfaces

#107
20160160357
2016-06-09

Method for improving adherence

#108
20160160329
2016-06-09

Stainless steel for polymer fuel cell separator and method for preparing same

#109
20160153107
2016-06-02

Multi-layered coating film formation method

#110
20160153093
2016-06-02

Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates

#111
20160152838
2016-06-02

Metal pretreatment with acidic aqueous compositions comprising silanes

#112
20160152837
2016-06-02

Metal pretreatment compositions comprising silanes and organophosporus acids

#113
20160145444
2016-05-26

Coating composition for metal surface pre-treatment, its preparation and use thereof

#114
20160102405
2016-04-14

Multi-step method for electrodeposition

#115
20160102209
2016-04-14

Process of protecting metal substrates with corrosion-resistant compositions

#116
20160083848
2016-03-24

Conversion coating composition comprising a dye and a method for coating a metal surface with said conversion coating composition

#117
20160060765
2016-03-03

Surface processing method for aluminum heat exchanger

#118
20160040297
2016-02-11

Chemical conversion coated plated steel sheet and method for producing same

#119
20160032112
2016-02-04

Alkaline cleaning compositions for metal substrates

#120
20160024309
2016-01-28

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

#121
20160014929
2016-01-14

Aluminum heat exchanger

#122
20160002810
2016-01-07

Method of producing surface-treated steel sheet

#123
20150322575
2015-11-12

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

#124
20150322288
2015-11-12

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

#125
20150292103
2015-10-15

Method for forming multi-layered coating film

#126
20150267307
2015-09-24

Brightening and passivation of stainless steel surfaces

#127
20150252481
2015-09-10

Concentrate for use in corrosion resistant treatment of metal surfaces

#128
20150252480
2015-09-10

Chromium-free conversion coating

#129
20150232997
2015-08-20

Can pretreatment for improved coat adhesion

#130
20150232996
2015-08-20

Zirconium pretreatment compositions containing lithium, associated methods for treating metal substrates, and related coated metal substrates

#131
20150232698
2015-08-20

Can pretreatment for improved coating adhesion

#132
20150225856
2015-08-13

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

#133
20150225855
2015-08-13

Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates

#134
20150176138
2015-06-25

Method for corrosion-protective serial surface treatment of metallic components

#135
20150176136
2015-06-25

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

#136
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

#137
20150086720
2015-03-26

Steel sheet for container having excellent organic film performance and process for producing the same

#138
20150056427
2015-02-26

Removable mask for coating a substrate

#139
20150056390
2015-02-26

SURFACE-TREATED ALUMINUM PLATE, ORGANIC-RESIN-COATED SURFACE -TREATED ALUMINUM PLATE, CAN BODY AND CAN LID FORMED BY USING THE SAME

#140
20150034490
2015-02-05

Multi-layer protective coating for an aluminum heat exchanger

#141
20150020925
2015-01-22

Method for the surface treatment of parts made of an aluminum or magnesium alloy

#142
20140360630
2014-12-11

Pretreating zinc surfaces prior to a passivating process

#143
20140356617
2014-12-04

Rheology modified pretreatment compositions and associated methods of use

#144
20140305803
2014-10-16

Pretreatment compositions and methods for coating a metal substrate

#145
20140272583
2014-09-18

Pretreatment compositions and methods for coating a battery electrode

#146
20140272441
2014-09-18

Trivalent chromium-containing composition for aluminum and aluminum alloys

#147
20140272405
2014-09-18

Method for preparing and treating a steel substrate

#148
20140255706
2014-09-11

Method for coating metallic surfaces with a multi-component aqueous composition

#149
20140227514
2014-08-14

Zirconium-based coating compositions and processes

#150
20140190592
2014-07-10

Chemical conversion treatment agent for surface treatment of metal substrate, and surface treatment method of metal substrate using same

#151
20140154525
2014-06-05

AQUEOUS SOLUTION AND METHOD FOR THE FORMATION OF A PASSIVATION LAYER

#152
20140084221
2014-03-27

Coated aluminum alloy pigments and corrosion-resistant coatings

#153
20140083568
2014-03-27

Corrosion-resistant magnet and method for producing the same

#154
20140050855
2014-02-20

Process and composition for treating metal surfaces using trivalent chromium compounds

#155
20140041764
2014-02-13

Steel Pre-Paint Treatment Composition

#156
20130284049
2013-10-31

Inorganic chromium-free metal surface treatment agent

#157
20130266819
2013-10-10

Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates

#158
20130244026
2013-09-19

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

#159
20130209829
2013-08-15

Steel sheet for containers

#160
20130209827
2013-08-15

Steel sheet for containers and manufacturing method for same

#161
20130206285
2013-08-15

Manufacturing method for steel sheets for containers

#162
20130202800
2013-08-08

Composition for the alkaline passivation of zinc surfaces

#163
20130160898
2013-06-27

Chemical conversion coated plated steel sheet and method for producing same

#164
20130157076
2013-06-20

Chemical conversion coated plated steel sheet and method for producing same

#165
20130084466
2013-04-04

Rheology modified pretreatment compositions and associated methods of use

#166
20130075271
2013-03-28

Protection of magnesium alloys by aluminum plating from ionic liquids

#167
20130071675
2013-03-21

Compositions for application to a metal substrate

#168
20130052352
2013-02-28

Chromium-free conversion coating

#169
20130034745
2013-02-07

STEEL SHEET FOR CONTAINER AND METHOD OF MANUFACTURING THE SAME

#170
20130034743
2013-02-07

Aluminum or aluminum alloy material having surface treatment coating film, and method for treating a surface thereof

#171
20120325110
2012-12-27

Multi-stage pre-treatment method for metal components having zinc and iron surfaces

#172
20120301739
2012-11-29

Metal pretreatment composition containing zirconium, copper, zinc, and nitrate and related coatings on metal substrates

#173
20120299676
2012-11-29

CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME

#174
20120282404
2012-11-08

Two-stage method for the corrosion protection treatment of metal surfaces

#175
20120264311
2012-10-18

SURFACE TREATMENT METHOD FOR GERMANIUM BASED DEVICE

#176
20120227868
2012-09-13

Magnesium-lithium alloy, rolled material, molded article, and process for producing same

#177
20120222784
2012-09-06

Magnesium-lithium alloy, rolled material, formed article, and process for producing same

#178
20120199250
2012-08-09

Aluminum treatment compositions

#179
20120186986
2012-07-26

Multistage method for treating metal surfaces prior to dip painting

#180
20120186702
2012-07-26

Treatment solution for producing chrome and cobalt-free black conversion coatings

#181
20120183806
2012-07-19

Pretreatment Compositions and Methods For Coating A Metal Substrate

#182
20120183753
2012-07-19

Steel sheet for container having excellent organic film performance and process for producing the same

#183
20120177826
2012-07-12

Method for coating metallic surfaces with an aqueous composition

#184
20120145039
2012-06-14

REPLENISHING COMPOSITIONS AND METHODS OF REPLENISHING PRETREATMENT COMPOSITIONS

#185
20120097295
2012-04-26

HALOGEN-FREE TRIVALENT CHROMIUM CONVERSION COATING

#186
20120070674
2012-03-22

Method for coating metal surfaces in a multi-step method

#187
20120061249
2012-03-15

Method for making and using chromium III salts

#188
20120055371
2012-03-08

Method for making and using chromium III salts

#189
20110300390
2011-12-08

Corrosion resistant metallate compositions

#190
20110294042
2011-12-01

Stainless steel for polymer fuel cell separator and method for preparing same

#191
20110293841
2011-12-01

Process and composition for treating metal surfaces

#192
20110247728
2011-10-13

Halogen-free trivalent chromium conversion coating

#193
20110214784
2011-09-08

Metal surface treatment composition, metal surface treatment method, and metal material

#194
20110206844
2011-08-25

CHROMIUM-FREE PASSIVATION OF VAPOR DEPOSITED ALUMINUM SURFACES

#195
20110189488
2011-08-04

Process for coating metallic surfaces with an aqueous composition, and this composition

#196
20110189401
2011-08-04

Successive corrosion-protecting pre-treatment of metal surfaces in a multiple-step process

#197
20110186181
2011-08-04

Corrosion-resistant magnet and method for producing the same

#198
20110180249
2011-07-28

Method for surface treating a heat exchanger, surface treatment agent, and aluminum heat exchanger

#199
20110165427
2011-07-07

Metal surface treatment composition, metal surface treatment method, and metal material

#200
20110135913
2011-06-09

Surface treatment solution for autodeposition coating of metallic material and autodeposition coating treatment method

#201
20110100830
2011-05-05

Chemical conversion treatment solution for a steel material and chemical conversion treatment method

#202
20110100513
2011-05-05

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

#203
20110094630
2011-04-28

CHEMICAL CONVERSION SOLUTION FOR METAL STRUCTURE AND SURFACE TREATING METHOD

#204
20110083580
2011-04-14

Replenishing compositions and methods of replenishing pretreatment compositions

#205
20110076505
2011-03-31

Metallic material and method of manufacturing the same

#206
20110048584
2011-03-03

Surface treatment method of metal material

#207
20110041957
2011-02-24

Optimized passivation on Ti/Zr-basis for metal surfaces

#208
20110033629
2011-02-10

Method for the local application of chemical conversion layers

#209
20110030852
2011-02-10

Method for producing pieces having a modified surface

#210
20100314004
2010-12-16

Conversion coating and anodizing sealer with no chromium

#211
20100305684
2010-12-02

Biodegradable stent and method for manufacturing the same

#212
20100300891
2010-12-02

Method for making and using chromium III salts

#213
20100260953
2010-10-14

Resin-coated aluminum alloy sheet and formed body using resin-coated aluminum alloy sheet

#214
20100243465
2010-09-30

Method of producing surface-treated metal material and method of producing coated metal item

#215
20100239773
2010-09-23

Aqueous treating solution for Sn-based plated steel sheet excellent in corrosion resistance and paint adhesion, and production method of surface-treated steel sheet

#216
20100176000
2010-07-15

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

#217
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

#218
20100145432
2010-06-10

IMPLANT AND METHOD FOR PRODUCING THE SAME

#219
20100132843
2010-06-03

Trivalent chromium-containing composition for use in corrosion resistant coatings on metal surfaces

#220
20100132842
2010-06-03

Method for improving surface properties of the stainless steels for bipolar plate of polymer electrolyte membrane fuel cell

#221
20100126633
2010-05-27

Agent for the production of anti-corrosion layers on metal surfaces

#222
20100075172
2010-03-25

Process for producing a corrosion-protected and high-gloss substrate

#223
20100038250
2010-02-18

CHEMICAL CONVERSION COATING AGENT AND SURFACE-TREATED METAL

#224
20100032060
2010-02-11

Process for preparing chromium conversion coatings for magnesium alloys

#225
20100028541
2010-02-04

Surface treatment liquid for zinc-based metal material and method for surface-treating zinc-based metal material

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2010-01-14

Chromium-free conversion coating

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2009-11-12

Process and composition for treating metal surfaces using trivalent chromium compounds

#228
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2009-10-01

Aluminum Treatment Composition

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20090239093
2009-09-24

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

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20090232996
2009-09-17

Metal treatment coating compositions, methods of treating metals therewith and coated metals prepared using the same

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2009-09-10

Easy-open end

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2009-09-10

CHEMICAL CONVERSION TREATMENT AGENT AND SURFACE-TREATED METAL MATERIAL

#233
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2009-09-03

COATING OF A THERMALLY AND EROSIVELY STRESSED FUNCTIONAL COMPONENT

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CHROMIUM-FREE, THERMALLY CURABLE CORROSION PROTECTION COMPOSITION

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2009-08-20

RUBBER MEMBER INCLUDING ALUMINUM-BASED METAL COMPONENT, AND PRODUCTION METHOD FOR THE SAME

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2009-06-04

Composite coated metal sheet, treatment agent and method of manufacturing composite coated metal sheet

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20090114118
2009-05-07

Coating solution for metal surfaces

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2009-04-23

Method for forming multilayer coating film and coated article

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2009-04-09

Method and agent for chemical conversion treatment and chemically conversion-Treated members

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20090084682
2009-04-02

Methods for coating a metal substrate and related coated metal substrates

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20090078340
2009-03-26

Method of chemical treatment and chemically treated member

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20090065099
2009-03-12

CHEMICAL CONVERSION TREATING AGENT AND SURFACE TREATED METAL

#243
20090050288
2009-02-26

Form release layer for the casting nonferrous metals

#244
20090032146
2009-02-05

Aqueous reaction solution and method of passivating workpieces having zinc or zinc alloy surfaces and use of a heteroaromatic compound

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20090032144
2009-02-05

Pretreatment compositions and methods for coating a metal substrate

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2009-01-01

Surface treated metal material

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WET ON WET METHOD AND CHROME-FREE ACIDIC SOLUTION FOR THE CORROSION CONTROL TREATMENT OF STEEL SURFACES

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2008-11-20

CHEMICAL CONVERSION COATING AGENT AND SURFACE-TREATED METAL

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2008-11-13

Process for treating metal surfaces

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2008-10-09

Magnesium alloy part and production method thereof

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2008-10-09

Rinsable metal pretreatment methods and compositions

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2008-10-02

Conversion coatings including alkaline earth metal fluoride complexes

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Metal surface treatment liquid for cation electrodeposition coating

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2008-09-25

Metal surface treatment liquid for cation electrodeposition coating

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Halogen-free trivalent chromium conversion coating

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Methods for coating a metal substrate and related coated substrates

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2008-06-12

Method for Coating Metallic Surfaces with an Aqueous Composition and Said Composition

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

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2008-04-03

Metal surface treatment composition, metal surface treatment method, and metal material

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2008-03-06

Coating composition

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Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way

#262
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2008-01-10

Solution for treating metal surface, surface treating method, and surface treated material

#263
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Method for coating metallic surfaces with an aqueous composition

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Composition for Metal Surface Treatment, Treating Liquid for Surface Treatment, Method of Surface Treatment, and Surface-Treated Metal Material

#265
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Method and composition for forming a coloured coating on a metallic surface

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Rubber part having an aluminum-based metal component and method of producing the same

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Chromium(VI)-free, aqueous acidic chromium(III) conversion solutions

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Method for coating of metallic coil or sheets for producing hollow articles

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2007-09-06

Method for forming a conversion layer on an aluminum alloy product prior to fluxless brazing

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2007-08-23

Antifriction coatings, methods of producing such coatings and articles including such coatings

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Process for coating metallic surfaces with an aqueous composition, the aqueous composition and use of the coated substrates

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2007-08-16

Composition and processes of a dry-in-place trivalent chromium corrosion-resistant coating for use on metal surfaces

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Heat exchanger and method for manufacturing the same

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Precoated metal sheet with little affect on environment

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2007-05-31

Coated metal plate with excellent corrosion resistance and reduced environmental impact

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2007-05-03

Non-chromium post-treatment for aluminum coated steel

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2007-05-03

Non-chromium conversion coatings for ferrous alloys

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2007-05-03

Non-chromium coatings for aluminum

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2007-05-03

Colored conversion layers on metallic substrates

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2007-04-26

Liquid trivalent chromate for aluminium or aluminium alloy and method for forming corrosion-resistant film over surface of aluminium or aluminium alloy by using same

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2007-02-08

Chemical conversion-treated metal plate

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2007-01-25

Functionalized phenol-formaldehyde resin and method for treating metallic surfaces

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2007-01-25

Two-stage conversion treatment

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Method for treatment of chemically passivated galvanized surfaces to improve paint adhesion

#285
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METAL PIECES AND ARTICLES HAVING IMPROVED CORROSION RESISTANCE

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TRIVALENT CHROMIUM CONVERSION COATING AND METHOD OF APPLICATION THEREOF

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Composition and process for preparing chromium-zirconium coatings on metal substrates

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2006-10-26

Composition and process for preparing protective coatings on metal substrates

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Process for forming a well visible non-chromate conversion coating for magnesium and magnesium alloys

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Phosphonic acid and polyvinyl alcohol conversion coating

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Treating solution for surface treatment of metal and a method for surface treatment

#292
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2006-08-17

Process for preparing chromium conversion coatings for iron and iron alloys

#293
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2006-08-03

Process of coating metals prior to cold forming

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2006-07-13

Rinsable metal pretreatment methods and compositions

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2006-07-06

Chemical conversion treating agent and surface treated metal

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2006-06-22

Pretreatment method for coating surface of metal for vehicle chassis and method of applying powder coating composition

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20060118216
2006-06-08

Method for producing pieces having a modified surface

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2006-05-11

Metal pieces and articles having improved corrosion resistance

#299
20060093755
2006-05-04

Method for pretreating and coating metal surfaces, prior to forming, with a paint-like coating and use of the substrates thus coated

#300
20060076247
2006-04-13

Pickling or brightening/passivating solution and process for steel and stainless steel