ClassID:

120493

C23C22/58 - 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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates Treatment of other metallic material

Recent Application in this class:
#1
20230304161
2023-09-28

APPLICATION OF TYPE II CHEMICAL CONVERSION COATINGS (CCCS) USING FOAMING AGENTS

#2
20220018027
2022-01-20

METAL COLORING SOLUTION FOR CHEMICAL CONVERSION TREATMENT AND METHOD FOR COLORING METAL

#3
20200131643
2020-04-30

Lithium lanthanum zirconate thin films

#4
20190062939
2019-02-28

Protecting anodized surfaces during manufacturing processes

#5
20180282873
2018-10-04

Method and apparatus for structural coloration of metallic surfaces

#6
20180198152
2018-07-12

Conducting member for fuel cells, fuel cell, fuel cell stack, and method of producing conducting member for fuel cells

#7
20180179636
2018-06-28

METHOD AND APPARATUS FOR STRUCTURAL COLORATION OF METALLIC SURFACES

#8
20180010253
2018-01-11

Method and apparatus for structural coloration of metallic surfaces

#9
20170175273
2017-06-22

Coloration of electroless nickel plating by application of cold bluing solutions

#10
20170081523
2017-03-23

Treated article and method of making the same

#11
20170073818
2017-03-16

Composition for blackening copper-based or silver-based metals

#12
20160244884
2016-08-25

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

#13
20150257264
2015-09-10

Silver plating in electronics manufacture

#14
20150235728
2015-08-20

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

#15
20150213918
2015-07-30

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

#16
20150090368
2015-04-02

Blackening treatment solution for black Cr—Co alloy plating film

#17
20130284066
2013-10-31

Metal surface treatment aqueous solution and method for inhibiting whiskers on a metal surface

#18
20130180768
2013-07-18

Silver plating in electronics manufacture

#19
20120239157
2012-09-20

ULTRA-PASSIVATION OF CHROMIUM CONTAINING ALLOY AND METHODS OF PRODUCING SAME

#20
20120205010
2012-08-16

CORROSION CONTROL METHOD OF METAL

#21
20120000412
2012-01-05

Method of colouring tin and tin-containing articles

#22
20110281124
2011-11-17

Solution and process for increasing the solderability and corrosion resistance of a metal or metal alloy surface

#23
20100320216
2010-12-23

SURFACE-TREATED TIN-PLATED STEEL SHEET FOR WELDED CANS AND WELDED CANS MADE THEREFROM

#24
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

#25
20100139959
2010-06-10

Method for manufacturing a printed circuit board and a printed circuit board obtained by the manufacturing method

#26
20100119867
2010-05-13

Plated steel sheet for cans and production method thereof

#27
20100116870
2010-05-13

Metal surface treatment aqueous solution and method for inhibiting whiskers on a metal surface

#28
20090175918
2009-07-09

Ultra-passivation of chromium-containing alloy and methods of producing same

#29
20090117342
2009-05-07

Method for preparing conductive pattern and conductive pattern prepared by the method

#30
20070184202
2007-08-09

Lubricant and surface conditioner for formed metal surfaces

#31
20060024430
2006-02-02

Silver plating in electronics manufacture