ClassID:

120503

C23C22/73 - 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

Sub-classes:
Recent Application in this class:
#1
20250327187
2025-10-23

CONVERSION COATING APPLICATION SYSTEM INCLUDING HYDROGELS AND METHODS OF USING SAME

#2
20250327186
2025-10-23

CONVERSION COATING APPLICATION SYSTEM INCLUDING HYDROGELS AND METHODS OF USING SAME

#3
20250223705
2025-07-10

METAL BODY HAVING MAGNESIUM FLUORIDE REGION FORMED THEREFROM

#4
20250171906
2025-05-29

METHOD FOR TREATING A PART MADE OF IRON ALLOY FOR IMPROVING THE ANTI-CORROSION PROPERTIES THEREOF

#5
20250092530
2025-03-20

HYBRID SOL-GEL COATINGS WITH WASTE-MATERIAL ADDITIVES FOR REDUCING CORROSION

#6
20250075332
2025-03-06

SANITARY EQUIPMENT PART AND METHOD OF PRODUCING THE SAME

#7
20250059670
2025-02-20

SEALING FOR ANODIZED METAL

#8
20250044661
2025-02-06

TUNABLE OPTICAL DEVICES WITH EXTENDED-DEPTH TUNABLE DIELECTRIC CAVITIES

#9
20240327989
2024-10-03

CONVERSION COATING APPLICATION SYSTEM INCLUDING HYDROGELS AND METHODS OF USING SAME

#10
20240318316
2024-09-26

CONVERSION COATING APPLICATION SYSTEM INCLUDING HYDROGELS AND METHODS OF USING SAME

#11
20240318315
2024-09-26

Conversion coating application system including hydrogels and methods of using same

#12
20240300013
2024-09-12

Surface treatment method of metal powder and surface passivated metal powder

#13
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

#14
20240229245
2024-07-11

COATED AND PLATED STEEL SHEET OR COATED AND PLATED STEEL STRIP

#15
20240209513
2024-06-27

PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS

#16
20240150582
2024-05-09

LIQUID-REPELLENT COATINGS

#17
20240133041
2024-04-25

COATED AND PLATED STEEL SHEET OR COATED AND PLATED STEEL STRIP

#18
20240060187
2024-02-22

CONTINUOUS COIL PRETREATMENT PROCESS

#19
20240026545
2024-01-25

METALLIC SUBSTRATE TREATMENT METHODS AND ARTICLES COMPRISING A PHOSPHONATE FUNCTIONALIZED LAYER

#20
20230399751
2023-12-14

Conversion coating application system including hydrogels and methods of using same

#21
20230383148
2023-11-30

NONAQUEOUS SOL-GEL FOR ADHESION ENHANCEMENT OF WATER-SENSITIVE MATERIALS

#22
20230227980
2023-07-20

ALUMINUM ALLOY PRETREATMENT WITH PHOSPHORUS- CONTAINING ORGANIC ACIDS FOR SURFACE MODIFICATION

#23
20230220560
2023-07-13

Aqueous Pickling Compositions and Their Use

#24
20230033110
2023-02-02

Nonaqueous sol-gel for adhesion enhancement of water-sensitive materials

#25
20230019472
2023-01-19

PROTECTIVE COATINGS FOR METALS

#26
20230018337
2023-01-19

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

#27
20220403180
2022-12-22

Liquid-repellent coatings

#28
20220364240
2022-11-17

BISMUTH COMPOSITIONS FOR METAL PRETREATMENT APPLICATIONS

#29
20220364225
2022-11-17

Method for forming carbon rich silicon-containing films

#30
20220359888
2022-11-10

STAINLESS STEEL FOR SEPARATION PLATE OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL HAVING IMPROVED HYDROPHILIC PROPERTY AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR

#31
20220268973
2022-08-25

LAMELLAR PARTICLES WITH FUNCTIONAL COATING

#32
20220267907
2022-08-25

COMPOSITION, ITS USE FOR ACID PICKLING OF MAGNESIUM ALLOYS AND METHOD FOR ACID PICKLING OF MAGNESIUM ALLOYS

#33
20220251710
2022-08-11

Preparation of 7XXX aluminum alloys for adhesive bonding

#34
20220152649
2022-05-19

AN ALLOY INJECTION MOLDED LIQUID METAL SUBSTRATE

#35
20220145471
2022-05-12

Metallic substrate treatment methods and articles comprising a phosphonate functionalized layer

#36
20220127745
2022-04-28

Sealing for anodized metal

#37
20220119650
2022-04-21

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

#38
20220112606
2022-04-14

METHOD FOR PASSIVATING AN ALUMINUM SURFACE PROVIDED WITH A FLUX

#39
20220049358
2022-02-17

TREATED PARTICLES AND SUBSTRATES

#40
20220010838
2022-01-13

ROLLING ELEMENT JIG

#41
20220002456
2022-01-06

Polymers for metal surface treatment

#42
20210348277
2021-11-11

METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION FOR USE IN SUCH A METHOD

#43
20210340676
2021-11-04

METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION FOR USE IN SUCH A METHOD

#44
20210292907
2021-09-23

Pretreatment Composition

#45
20210277522
2021-09-09

Sanitary equipment part and method of producing the same

#46
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

#47
20210222013
2021-07-22

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

#48
20210198788
2021-07-01

METAL BODY HAVING MAGNESIUM FLUORIDE REGION FORMED THEREFROM

#49
20210079530
2021-03-18

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

#50
20210062356
2021-03-04

CONVEYING RACK CLEANING IN AN ELECTRODEPOSITION PROCESS

#51
20210062346
2021-03-04

PROCESS FOR SELECTIVE PHOSPHATING OF A COMPOSITE METAL CONSTRUCTION

#52
20210040621
2021-02-11

Systems and Methods for Treating a Metal Substrate

#53
20200399762
2020-12-24

Aluminum alloy fastening member and method for producing aluminum alloy fastening member

#54
20200378009
2020-12-03

METHOD FOR THE SURFACE MODIFICATION OF AT LEAST ONE COMPONENT AND REACTOR DEVICE FOR CARRYING OUT THE METHOD

#55
20200354830
2020-11-12

Method for forming carbon rich silicon-containing films

#56
20200291527
2020-09-17

Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface—treated with same, and method for manufacturing galvanized

#57
20200280075
2020-09-03

Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor

#58
20200248313
2020-08-06

Two-step pretreatment system and method

#59
20200240020
2020-07-30

Stabilized, pure lithium metal powder and method for producing the same

#60
20200165461
2020-05-28

Liquid-repellent coatings

#61
20200157687
2020-05-21

Coated aluminum material and method for producing same

#62
20200142103
2020-05-07

LAMELLAR PARTICLES AND METHODS OF MANUFACTURE

#63
20200141006
2020-05-07

Preparation of 7XXX aluminum alloys for adhesive bonding

#64
20200071835
2020-03-05

Artificial solid electrolyte interphase layers

#65
20200063284
2020-02-27

Sealing process for an anodized aluminum-alloy surface

#66
20200032398
2020-01-30

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

#67
20200017975
2020-01-16

Anti-corrosion and/or passivation compositions for metal-containing substrates and methods for making, enhancing, and applying the same

#68
20200010946
2020-01-09

FERROUS STRUCTURAL COMPONENT FOR USE IN FOULING AND CORROSIVE ENVIRONMENTS, AND METHOD OF MAKING AND USING A FERROUS STRUCTURAL COMPONENT

#69
20190330744
2019-10-31

Process for the manufacturing of a steel strip for packaging and associated equipment

#70
20190301024
2019-10-03

Process for the rapid blackening of surgical needles

#71
20190301023
2019-10-03

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

#72
20190292665
2019-09-26

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

#73
20190292402
2019-09-26

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

#74
20190276924
2019-09-12

METHOD FOR INSPECTING AND PROCESSING HIGH ALLOY STEELS

#75
20190233945
2019-08-01

METHOD OF COATING ALLOY WHEELS USING INTER-COAT PLASMA

#76
20190202166
2019-07-04

Hydrophilic aluminum surface body having hybrid nanostructure and manufacturing method thereof

#77
20190032224
2019-01-31

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

#78
20190032223
2019-01-31

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

#79
20190002740
2019-01-03

Nonaqueous sol-gel for adhesion enhancement of water-sensitive materials

#80
20190002739
2019-01-03

Nonaqueous sol-gel for adhesion enhancement of water-sensitive materials

#81
20190002705
2019-01-03

Nonaqueous sol-gel for adhesion enhancement of water-sensitive materials

#82
20180363145
2018-12-20

Film forming treatment agent for composite chemical conversion film for magnesium alloy, and film forming process

#83
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

#84
20180347052
2018-12-06

HIGH MOLECULAR MASS, SATURATED HYDROCARBON ACID BASED CHEMICAL CONVERSION COATING COMPOSITION

#85
20180327926
2018-11-15

Sealing process for an anodized aluminum-alloy surface

#86
20180264166
2018-09-20

Alloy member usable in organisms and production method therefor

#87
20180251637
2018-09-06

Lamellar particles with functional coating

#88
20180142104
2018-05-24

Surface treatment composition

#89
20180100238
2018-04-12

Anti-corrosion and/or passivation composition for metal-containing substrates and methods for making, enhancing, and applying the same

#90
20180073152
2018-03-15

Method for corrosion inhibiting additive

#91
20180057773
2018-03-01

Alkaline molybdenum cation and phosphonate-containing cleaning composition

#92
20180029013
2018-02-01

Multifunctional cerium-based nanomaterials and methods for producing the same

#93
20180016682
2018-01-18

METHOD FOR PRODUCING COATED METAL STRIP

#94
20180002814
2018-01-04

REINFORCED CHEMICAL CONVERSION COATING

#95
20170370004
2017-12-28

Process for the rapid blackening of surgical needles

#96
20170362256
2017-12-21

Microwave Assisted Alcohol Condensation on Oxide Surfaces

#97
20170356875
2017-12-14

Method for fabricating printed flexible PH sensors

#98
20170356090
2017-12-14

COMPOSITION FOR PHOSPHATE FILM OPTIMIZING MN CONTENT AND A METHOD FOR PHOSPHATE TREATMENT OF ZN ELECTRIC-PLATED STEEL SHEET

#99
20170327955
2017-11-16

CONVERSION COATING TREATMENT

#100
20170321295
2017-11-09

METHOD FOR HOT OR WARM FORMING A WORKPIECE AND PRODUCTION PLANT FOR HOT OR WARM FORMING A WORKPIECE

#101
20170306497
2017-10-26

SYSTEM FOR NICKEL-FREE ZINC PHOSPHATE PRETREATMENT

#102
20170268110
2017-09-21

Stabilized, pure lithium metal powder and method for producing the same

#103
20170253953
2017-09-07

Method of annealing aluminium alloy sheet material

#104
20170241022
2017-08-24

Reduction of chromium waste in an aluminum conversion coat processing line

#105
20170240796
2017-08-24

Corrosion inhibition

#106
20170218519
2017-08-03

Coated metal sheet, method for manufacturing same, and exterior building material

#107
20170218518
2017-08-03

Ultra-bright passivated aluminum nano-flake pigments

#108
20170205212
2017-07-20

Heat insulating coating for aluminium cartridge casings for hand guns

#109
20170159185
2017-06-08

Chemical treatment steel sheet, and method for producing chemical treatment steel sheet

#110
20170107626
2017-04-20

Process for the manufacturing of a steel strip for packaging and associated equipment

#111
20170058405
2017-03-02

Slurry formulations for formation of reactive element-doped aluminide coatings and methods of forming the same

#112
20170051414
2017-02-23

Treatment device and treatment method for pickling and phosphating metal parts

#113
20170051413
2017-02-23

Method of thermally treating black plate coated with a conversion coating

#114
20170051412
2017-02-23

Can pretreatment for improved coat adhesion

#115
20170050215
2017-02-23

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

#116
20170018319
2017-01-19

Method for inner-contour passivation of steel surfaces of nuclear reactor

#117
20170015837
2017-01-19

Coated steel sheet and exterior building material

#118
20160326656
2016-11-10

COLOR-TREATED BASE MATERIAL AND BASE MATERIAL COLOR TREATMENT METHOD THEREFOR

#119
20160326655
2016-11-10

SUBSTRATE TREATED WITH COLOR DEVELOPMENT, AND SUBSTRATE COLOR DEVELOPMENT TREATMENT METHOD FOR SAME

#120
20160326654
2016-11-10

SURFACE-TREATED SUBSTRATE AND SUBSTRATE SURFACE TREATMENT METHOD FOR SAME

#121
20160319440
2016-11-03

Continuous coil pretreatment process

#122
20160319438
2016-11-03

SUBSTRATE TREATED WITH COLOR DEVELOPMENT, AND SUBSTRATE COLOR DEVELOPMENT TREATMENT METHOD FOR SAME

#123
20160319437
2016-11-03

COLOR-TREATED BASE MATERIAL AND BASE MATERIAL COLOR TREATMENT METHOD THEREFOR

#124
20160319435
2016-11-03

Multilayer coating

#125
20160304381
2016-10-20

Nanocomposite material

#126
20160289841
2016-10-06

Method of manufacturing a steel sheet for containers

#127
20160232990
2016-08-11

Method for the in situ passivation of the steel surfaces of a nuclear reactor

#128
20160208391
2016-07-21

Treatment liquid for trivalent chromium conversion coating and treatment method of metal substrate

#129
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

#130
20160201199
2016-07-14

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

#131
20160160357
2016-06-09

Method for improving adherence

#132
20160160356
2016-06-09

Processes for producing a multilayer coating

#133
20160160329
2016-06-09

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

#134
20160152838
2016-06-02

Metal pretreatment with acidic aqueous compositions comprising silanes

#135
20160115579
2016-04-28

Method for inspecting and processing high hardness alloy steels

#136
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

#137
20150267302
2015-09-24

ELECTROLESS PLATING METHOD

#138
20150252480
2015-09-10

Chromium-free conversion coating

#139
20150236319
2015-08-20

Stainless separator for fuel cell and method of manufacturing the same

#140
20150235728
2015-08-20

Transparent conductive electrodes comprising surface functionalized metal nanowires, their structure design, and method of making such structures

#141
20150232997
2015-08-20

Can pretreatment for improved coat adhesion

#142
20150232996
2015-08-20

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

#143
20150225856
2015-08-13

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

#144
20150218707
2015-08-06

METHOD FOR PREPARING ALUMINUM MATRIX COMPOSITE USING NO PRESSURE INFILTRATION

#145
20150218706
2015-08-06

Production method of galvannealed steel sheet having excellent formability and exfoliation resistance after adhesion

#146
20150218705
2015-08-06

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

#147
20150203968
2015-07-23

Method for treating metal surface

#148
20150191826
2015-07-09

Chemical conversion coating and method of fabricating the same

#149
20150187615
2015-07-02

COMPONENT OF A PLASMA PROCESSING APPARATUS INCLUDING AN ELECTRICALLY CONDUCTIVE AND NONMAGNETIC COLD SPRAYED COATING

#150
20150176138
2015-06-25

Method for corrosion-protective serial surface treatment of metallic components

#151
20150176137
2015-06-25

METHODS FOR PREPARING SUBSTRATE CORED-METAL LAYER SHELLED METAL ALLOYS

#152
20150176136
2015-06-25

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

#153
20150176135
2015-06-25

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

#154
20150159510
2015-06-11

Method and System for Dispensing Gas Turbine Anticorrosive Protection

#155
20150159509
2015-06-11

Method and System for Dispensing Gas Turbine Anticorrosive Protection

#156
20150140338
2015-05-21

Indicator Coatings for Metal Surfaces

#157
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

#158
20150118398
2015-04-30

Preventing equipment fouling via corrosion reduction

#159
20150090369
2015-04-02

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

#160
20150083276
2015-03-26

Method for producing black-plated steel sheet, and method for producing molded article of black-plated steel sheet

#161
20150079298
2015-03-19

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

#162
20150072166
2015-03-12

Black-plated steel sheet

#163
20150064482
2015-03-05

VEHICLE BODY AND METHOD FOR COATING A VEHICLE BODY

#164
20150063903
2015-03-05

Methods for treating aircraft structures

#165
20150056427
2015-02-26

Removable mask for coating a substrate

#166
20150040799
2015-02-12

Reduction of chromium waste water in an aluminum conversion coat processing line

#167
20150024222
2015-01-22

METHOD FOR PASSIVATION OF STRIP BLACK PLATE

#168
20140371059
2014-12-18

Multifunctional cerium-based nanomaterials and methods for producing the same

#169
20140363582
2014-12-11

METHOD OF PREPARING YTTRIA SOLUTION FOR BUFFER LAYER OF SUBSTRATE

#170
20140360630
2014-12-11

Pretreating zinc surfaces prior to a passivating process

#171
20140356617
2014-12-04

Rheology modified pretreatment compositions and associated methods of use

#172
20140322540
2014-10-30

SURFACE TREATMENT FOR STRUCTURAL BONDING TO ALUMINUM

#173
20140305371
2014-10-16

Method of pretreating aluminum assemblies for improved adhesive bonding and corrosion resistance

#174
20140231018
2014-08-21

PLASMA PROCESSING APPARATUS

#175
20140227514
2014-08-14

Zirconium-based coating compositions and processes

#176
20140227436
2014-08-14

Method for forming patterned conductive film

#177
20140223740
2014-08-14

Method for treating surface of aluminum heat exchanger

#178
20140220259
2014-08-07

Making a conductive article

#179
20140134338
2014-05-15

Treatment of Plastic Surfaces After Etching in Nitric Acid Containing Media

#180
20140120357
2014-05-01

Composition for the local application of chemical conversion layers

#181
20140102907
2014-04-17

Tin-plated steel sheet and method for manufacturing the same

#182
20140030425
2014-01-30

Adhesion promotion in printed circuit boards

#183
20140023882
2014-01-23

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

#184
20140011020
2014-01-09

PROMOTING THE ADHESION OF A SURFACE OF A TITANIUM MATERIAL

#185
20130302637
2013-11-14

Zinc-based metal coated steel sheet

#186
20130209679
2013-08-15

Method for forming a metal deposit on the surface of a substrate, and uses thereof

#187
20130206285
2013-08-15

Manufacturing method for steel sheets for containers

#188
20130202800
2013-08-08

Composition for the alkaline passivation of zinc surfaces

#189
20130202797
2013-08-08

Method for selectively phosphating a composite metal construction

#190
20130195671
2013-08-01

Hollow airfoil construction utilizing functionally graded materials

#191
20130181160
2013-07-18

STABILIZED, PURE LITHIUM METAL POWDER AND METHOD FOR PRODUCING THE SAME

#192
20130142941
2013-06-06

Painting pre-treatment processes with low environments impact, as an alternative to conventional phosphating treatments

#193
20130084466
2013-04-04

Rheology modified pretreatment compositions and associated methods of use

#194
20130084395
2013-04-04

Treatment of Plastic Surfaces After Etching in Nitric Acid Containing Media

#195
20130078382
2013-03-28

Process for forming corrosion protection layers on metal surfaces

#196
20130037175
2013-02-14

PREPARATION OF ITACONIC ACID HOMO- OR COPOLYMERS AND AMINE- OR AMIDE- CONTAINING ALCOHOLS FOR METAL SURFACE TREATMENT

#197
20120298402
2012-11-29

Method for forming patterned conductive film

#198
20120264311
2012-10-18

SURFACE TREATMENT METHOD FOR GERMANIUM BASED DEVICE

#199
20120251742
2012-10-04

Nanoparticle surface treatment

#200
20120211124
2012-08-23

Galvannealed steel sheet having excellent formability and exfoliation resistance after adhesion and production method thereof

#201
20120171501
2012-07-05

PROCESS FOR SURFACE TREATING MAGNESIUM ALLOY AND ARTICLE MADE WITH SAME

#202
20120118434
2012-05-17

STEEL MEMBER HAVING NITROGEN COMPOUND LAYER AND PROCESS FOR PRODUCING SAME

#203
20120112862
2012-05-10

Rare earth magnet and method for manufacturing same

#204
20110294042
2011-12-01

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

#205
20110189401
2011-08-04

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

#206
20110180186
2011-07-28

METHOD AND SOLUTION FOR COATING METALLIC SURFACES WITH A PHOSPHATING SOLUTION CONTAINING HYDROGEN PEROXIDE, METALLIC OBJECT PRODUCED AND USE OF THE OBJECT

#207
20110180185
2011-07-28

Tinned steel sheet and method for producing the same

#208
20110177353
2011-07-21

Metal material having excellent corrosion resistance

#209
20110168563
2011-07-14

TIN-PLATED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#210
20110033629
2011-02-10

Method for the local application of chemical conversion layers

#211
20110030852
2011-02-10

Method for producing pieces having a modified surface

#212
20110011498
2011-01-20

Colored conversion layers devoid of chrome formed on metal surfaces

#213
20100288398
2010-11-18

High throughput finishing of metal components

#214
20100189957
2010-07-29

STEEL MATERIAL COMPOSITE AND MANUFACTURING METHOD THEREOF

#215
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

#216
20100160102
2010-06-24

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

#217
20100132845
2010-06-03

METHOD OF APPLYING ZINC-PHOSPHATE CONVERSION CRYSTAL COATING

#218
20100044624
2010-02-25

ETCHANT WHICH CAN BE REMOVED WITHOUT RESIDUE

#219
20100018025
2010-01-28

Method for manufacturing composite with high corrosion resistance

#220
20100009083
2010-01-14

Chromium-free conversion coating

#221
20090324834
2009-12-31

Compositions for providing hydrophobic layers to metallic substrates

#222
20090269649
2009-10-29

Stainless separator for fuel cell and method of manufacturing the same

#223
20090223601
2009-09-10

CHEMICAL CONVERSION TREATMENT AGENT AND SURFACE-TREATED METAL MATERIAL

#224
20090209689
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