ClassID:

120461

C23C22/22 - 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; Orthophosphates containing alkaline earth metal cations

Recent Application in this class:
#1
20260069747
2026-03-12

COATING WITH STRONG ADHESION FOR MEDICAL MAGNESIUM ALLOYS

#2
20230331996
2023-10-19

METHOD OF COATING METAL STRUCTURAL MEMBER TO RESIST CORROSION, COMPOSITION OF COATING, AND STRUCTURAL MEMBER INCLUDING COATING

#3
20230201429
2023-06-29

COATING WITH STRONG ADHESION FOR MEDICAL MAGNESIUM ALLOYS AND PREPARATION THEREOF

#4
20220356117
2022-11-10

INORGANIC-ORGANIC PHOSPHATE CERAMICS AND COATINGS

#5
20220290303
2022-09-15

RESOURCE-SAVING METHOD FOR ACTIVATING A METAL SURFACE PRIOR TO PHOSPHATING

#6
20220162759
2022-05-26

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

#7
20220049359
2022-02-17

Treatment agent for chromium-free insulating coating formation, insulation-coated grain-oriented electrical steel sheet, and method for manufacturing the same

#8
20210317545
2021-10-14

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR REFINING MAGNETIC DOMAIN OF SAME

#9
20210287834
2021-09-16

Grain-oriented magnetic steel sheets having chromium-free insulating tension coating, and methods for producing such steel sheets

#10
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

#11
20210172067
2021-06-10

PRODUCTION METHOD FOR MAGNESIUM-CONTAINING METAL MATERIAL PROVIDED WITH COATING

#12
20200354277
2020-11-12

Inorganic-organic phosphate ceramics and coatings

#13
20200340123
2020-10-29

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

#14
20200109474
2020-04-09

MAGNESIUM-CONTAINING METAL MATERIAL PROVIDED WITH COATING

#15
20190226093
2019-07-25

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

#16
20190186020
2019-06-20

Inorganic phosphate corrosion resistant coatings

#17
20190186018
2019-06-20

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

#18
20190003058
2019-01-03

SURFACE-CONDITIONING AGENT, AS WELL AS MAGNESIUM MEMBER OR MAGNESIUM ALLOY MATERIAL WITH FILM, AND MANUFACTURING METHOD THEREFOR

#19
20180371621
2018-12-27

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#20
20180371620
2018-12-27

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#21
20180366693
2018-12-20

Packaging material for power storage devices, and method of producing packaging material for power storage devices

#22
20180363145
2018-12-20

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

#23
20180312936
2018-11-01

Composition for forming insulation film of oriented electrical steel sheet, method for forming insulation film by using same, and oriented electrical steel sheet having insulation film formed therein

#24
20180251899
2018-09-06

INSULATIVE COATING PROCESSING LIQUID AND METHOD FOR MANUFACTURING METAL HAVING INSULATIVE COATING

#25
20180209541
2018-07-26

Piston ring and its production method

#26
20180155840
2018-06-07

Insulating coating for electrical steel sheet

#27
20180080127
2018-03-22

Insulating-coated oriented magnetic steel sheet and method for manufacturing same

#28
20180044797
2018-02-15

REPAIR AGENT AND REPAIR METHOD FOR PLATED BASE, AS WELL AS PLATED BASE

#29
20180033529
2018-02-01

Electrical steel sheet and method for producing electrical steel sheet

#30
20170342569
2017-11-30

Electrical steel sheet

#31
20170342568
2017-11-30

Electrical steel sheet

#32
20170341107
2017-11-30

Electrical steel sheet

#33
20170335464
2017-11-23

Electrical steel sheet

#34
20170306498
2017-10-26

ACTIVATING RINSE AND METHOD FOR TREATING A SUBSTRATE

#35
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

#36
20170121228
2017-05-04

Inorganic-organic phosphate ceramics and coatings

#37
20170037517
2017-02-09

Method for passivating a metallic surface

#38
20160322138
2016-11-03

Coating agent for electrical steel sheet, manufacturing method therefor and electrical steel sheet coating method using same

#39
20160305026
2016-10-20

Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating

#40
20160258067
2016-09-08

INORGANIC PHOSPHATE CORROSION RESISTANT COATINGS

#41
20160060465
2016-03-03

Chromium-free coating for the electrical insulation of grain-oriented electrical steel strip

#42
20150368158
2015-12-24

Solution for forming insulation coating and grain-oriented electrical steel sheet

#43
20130129908
2013-05-23

Magnesium-based medical device and manufacturing method thereof

#44
20120308809
2012-12-06

Magnesium alloy structural member

#45
20120282131
2012-11-08

Magnesium alloy material

#46
20120271431
2012-10-25

Bioactively Coated Metal Implants and Methods for the Production Thereof

#47
20120088100
2012-04-12

Implant coated with net-shaped or island-shaped low-crystallized hydroxyapatite and method for coating same

#48
20110287186
2011-11-24

Method for making a phoshate-treated galvanized steel sheet

#49
20110067786
2011-03-24

Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating

#50
20110052112
2011-03-03

SLIDING MEMBER FOR THRUST BEARING

#51
20110039114
2011-02-17

Grain-oriented electrical steel sheet and producing method therefor

#52
20110017352
2011-01-27

Continuous method for treating the surface of metal strips

#53
20110008644
2011-01-13

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

#54
20100224286
2010-09-09

METHOD FOR COATING ZINC-PLATED STEEL STRIPS WITH AQUEOUS FORMULATIONS OF ACIDIC POLYMERS

#55
20100206437
2010-08-19

Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating

#56
20100018025
2010-01-28

Method for manufacturing composite with high corrosion resistance

#57
20090324839
2009-12-31

Method of passivating metallic surfaces by means of copolymers having phosphoric acid and/or phosphonic acid groups

#58
20090306725
2009-12-10

MAGNESIUM-BASED MEDICAL DEVICE AND MANUFACTURING METHOD THEREOF

#59
20090242080
2009-10-01

PHOSPHATE-TREATED GALVANIZED STEEL SHEET AND METHOD FOR MAKING THE SAME

#60
20090233114
2009-09-17

Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film

#61
20080199714
2008-08-21

Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes

#62
20080166575
2008-07-10

Method For Preparing Metallic Workplaces For Cold Forming

#63
20080063891
2008-03-13

Phosphate-treated zinc-coated steel sheet

#64
20080019628
2008-01-24

Touchdown bearing

#65
20060062925
2006-03-23

Adherent apatite coating on titanium substrate using chemical deposition

#66
20050157964
2005-07-21

Sliding bearing

#67
20050147832
2005-07-07

Surface-treated steel sheets of good white rust resistance, and method for producing them