ClassID:

120447

C23C22/06 - 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

Sub-classes:
Recent Application in this class:
#1
20250229505
2025-07-17

ASSEMBLIES OF FUNCTIONALIZED TEXTILE MATERIALS AND METHODS OF USE THEREOF

#2
20250137593
2025-05-01

MOBILE REFUELING WITH HYDROGEN CASCADE ARCHITECTURE, AND VACUUM CONDITIONING FOR LIQUID HYDROGEN STORAGE SYSTEMS

#3
20250033322
2025-01-30

Functionalized Textile Compositions and Artilces

#4
20240287682
2024-08-29

DECORATIVE PLASTIC COMPONENT AND METHOD FOR PRODUCING SUCH A COMPONENT

#5
20240218520
2024-07-04

Pretreatment Agent and Chemical Conversion Treatment Agent

#6
20240149557
2024-05-09

Ceramic Surface Modification Materials

#7
20240044010
2024-02-08

CHEMICAL SURFACE TREATMENT METHOD OF METAL FOR BONDING MATERIALS

#8
20230321609
2023-10-12

Metal Coated Substrates for Filters

#9
20230203666
2023-06-29

COATING-FREE ANTIMICROBIAL STAINLESS STEEL SURFACES

#10
20230151509
2023-05-18

METHOD FOR THE SURFACE TREATMENT AND/OR MANUFACTURE OF A MEDICAL PRODUCT, AND MEDICAL PRODUCT

#11
20230032108
2023-02-02

Ceramic Surface Modification Materials

#12
20230002960
2023-01-05

Functionalized textile compositions and articles

#13
20230001667
2023-01-05

Assemblies of functionalized textile materials and methods of use thereof

#14
20220364240
2022-11-17

BISMUTH COMPOSITIONS FOR METAL PRETREATMENT APPLICATIONS

#15
20220305444
2022-09-29

Anti-microbial metal coatings for filters

#16
20220161192
2022-05-26

METHOD FOR OPERATING A TREATMENT SYSTEM, TREATMENT SYSTEM, AND USE OF A TREATMENT SYSTEM

#17
20220025521
2022-01-27

INDICATOR COATINGS FOR METAL SURFACES

#18
20210370635
2021-12-02

Metal article, method for manufacturing the metal article, and metal composite

#19
20210307880
2021-10-07

Abutment

#20
20210269920
2021-09-02

Method for manufacturing stainless steel for polymer fuel cell separator having excellent contact resistance

#21
20210172068
2021-06-10

Pretreatment agent and chemical conversion treatment agent

#22
20210032757
2021-02-04

Method for passivating metallic substances

#23
20200399750
2020-12-24

Zinc-based plated steel sheet having post-treated coating formed thereon

#24
20200276610
2020-09-03

Passivation composition comprising a silane-modified silicate compound

#25
20200199757
2020-06-25

ANTI-CORROSION COATING METHOD

#26
20200181778
2020-06-11

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

#27
20200157394
2020-05-21

Film-forming composition, method for producing surface-treated metal member, and method for producing metal-resin composite

#28
20200075768
2020-03-05

Coating liquid for forming metal oxide film, oxide film, field-effect transistor, and method for producing the same

#29
20200063268
2020-02-27

Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet

#30
20200048774
2020-02-13

ALLOY SURFACE ACTIVATION BY IMMERSION IN AQUEOUS ACID SOLUTION

#31
20200024744
2020-01-23

Galvanized steel sheet and manufacturing method therefor

#32
20190301023
2019-10-03

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

#33
20190292665
2019-09-26

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

#34
20190292402
2019-09-26

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

#35
20190271085
2019-09-05

Processing method and processing apparatus of metal member

#36
20190217923
2019-07-18

DIPHASE STAINLESS STEEL CHEMICAL VESSEL BALLAST CABIN BULKHEAD AND PROCESSING METHOD

#37
20190169754
2019-06-06

Metal sheet having oiled Zn—Al—Mg coatings

#38
20190084274
2019-03-21

CONVERSION-COATED METAL PLATE, SURFACE-TREATED METAL PLATE, COMPOSITE MEMBER, AND METHOD FOR PRODUCING CONVERSION-COATED METAL PLATE

#39
20180119287
2018-05-03

Surface treatment of metal substrates

#40
20170362732
2017-12-21

Surface treated steel sheet for fuel tank

#41
20170348730
2017-12-07

Passivation composition comprising a silane-modified silicate compound

#42
20170191166
2017-07-06

METHOD FOR MANUFACTURING A PROCESS APPARATUS AND A PROCESS APPARATUS

#43
20170081767
2017-03-23

Alloy surface activation by immersion in aqueous acid solution

#44
20170081523
2017-03-23

Treated article and method of making the same

#45
20170001717
2017-01-05

Aircraft landing gear struts coated with a zinc-nickel alloy

#46
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

#47
20160168683
2016-06-16

Methods for producing a pre-lacquered metal sheet having Zn—Al—Mg coatings and corresponding metal sheet

#48
20160145759
2016-05-26

Metal surface treatment agent, and metal surface treatment method

#49
20160083828
2016-03-24

Method for surface-treating a metallic substrate

#50
20150329952
2015-11-19

METHODS FOR PRODUCING A PRE-LACQUERED METAL SHEET HAVING ZN-AL-MG COATINGS AND CORRESPONDING METAL SHEET

#51
20150257264
2015-09-10

Silver plating in electronics manufacture

#52
20150125714
2015-05-07

Method for producing a metal sheet having oiled Zn—Al—Mg coatings, and corresponding metal sheet

#53
20150104590
2015-04-16

Method For Marking A Metal Substrate By Means Of The Incorporation Of Inorganic Luminescent Particles

#54
20140305903
2014-10-16

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

#55
20130180768
2013-07-18

Silver plating in electronics manufacture

#56
20110281124
2011-11-17

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

#57
20110232679
2011-09-29

Use of thioglycol ethoxylate as a corrosion inhibitor

#58
20110189401
2011-08-04

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

#59
20110008644
2011-01-13

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

#60
20100314585
2010-12-16

ANTICORROSION MATERIAL

#61
20100273015
2010-10-28

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

#62
20100227179
2010-09-09

METHOD FOR TREATING SURFACES

#63
20100212542
2010-08-26

Composition for chemical conversion treatment and member having a chemical conversion coating formed by the treatment

#64
20080210343
2008-09-04

Process for treatment of metal surfaces

#65
20080038471
2008-02-14

Coating Method

#66
20060024430
2006-02-02

Silver plating in electronics manufacture

#67
20050268991
2005-12-08

Corrosion resistance enhancement of tin surfaces

#68
20050019496
2005-01-27

Method for preparation of metal wire rod for use in plastic working

#69
20050016634
2005-01-27

Process for pickling martensitic or ferritic stainless steel