ClassID:

120506

C23C22/77 - 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 Controlling or regulating of the coating process

Recent Application in this class:
#1
20260139381
2026-05-21

SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS

#2
20260139375
2026-05-21

POWDER MITIGATION AND EXHAUST MANAGEMENT FOR THIN FILM DEPOSITION

#3
20250354269
2025-11-20

MULTI-STAGE TREATMENT FOR ACTIVATED ZINC PHOSPHATING OF METALLIC COMPONENTS

#4
20250027205
2025-01-23

Method for passivating a surface of a workpiece and apparatus for passivating workpieces

#5
20240271272
2024-08-15

SEMICONDUCTOR DEVICE PATTERNING METHODS

#6
20240044010
2024-02-08

CHEMICAL SURFACE TREATMENT METHOD OF METAL FOR BONDING MATERIALS

#7
20240044009
2024-02-08

COATING FILM FORMATION METHOD

#8
20230143193
2023-05-11

LAMINATE, METAL PLATING SOLUTION, AND MANUFACTURING PROCESS OF LAMINATE

#9
20230142926
2023-05-11

Semiconductor device patterning methods

#10
20220411936
2022-12-29

BEARING COMPONENT

#11
20220341034
2022-10-27

Metal-doped boron films

#12
20220127717
2022-04-28

Selective Deposition Of A Heterocyclic Passivation Film On A Metal Surface

#13
20220074054
2022-03-10

FOUR-FUNCTION STEEL SURFACE TREATMENT LIQUID AND PREPARATION METHOD THEREOF

#14
20210307880
2021-10-07

Abutment

#15
20210301392
2021-09-30

Selective deposition of silicon oxide on dielectric surfaces relative to metal surfaces

#16
20210123113
2021-04-29

Method for treating and phosphatizing metal board without using acid

#17
20200406287
2020-12-31

SYSTEM AND METHOD FOR TREATING A SURFACE OF AT LEAST ONE LARGE-FORMAT COMPONENT

#18
20200161148
2020-05-21

Processing system and platform for wet atomic layer etching using self-limiting and solubility-limited reactions

#19
20200072405
2020-03-05

Threaded connection for oil country tubular goods and method for producing threaded connection for oil country tubular goods

#20
20190330744
2019-10-31

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

#21
20190276924
2019-09-12

METHOD FOR INSPECTING AND PROCESSING HIGH ALLOY STEELS

#22
20190233944
2019-08-01

Surface treatment apparatus and surface treatment method

#23
20180286526
2018-10-04

Suppression of radionuclide deposition on nuclear power plant components

#24
20170326862
2017-11-16

Laminated can end stock with elevated temperature annealing

#25
20170253976
2017-09-07

METHOD FOR MONITORING A PART VIA COLORIMETRY

#26
20170247799
2017-08-31

Method for the selective removal of zinc ions from alkaline bath solutions in the serial surface treatment of metal components

#27
20170226644
2017-08-10

Corrosion-resistant trivalent-chromium chemical conversion coating and solution for trivalent-chromium chemical treatment

#28
20170107626
2017-04-20

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

#29
20160289841
2016-10-06

Method of manufacturing a steel sheet for containers

#30
20160115579
2016-04-28

Method for inspecting and processing high hardness alloy steels

#31
20150287983
2015-10-08

Method for producing anode active material for secondary battery, anode active material for secondary battery, method for producing anode for secondary battery, anode for secondary battery, and secondary battery

#32
20150176138
2015-06-25

Method for corrosion-protective serial surface treatment of metallic components

#33
20110223316
2011-09-15

USE OF FLUORESCING DYE IN PRETREATMENT TO IMPROVE APPLICATION AND RINSING PROCESS

#34
20110189401
2011-08-04

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

#35
20110017352
2011-01-27

Continuous method for treating the surface of metal strips

#36
20100203327
2010-08-12

Corrosion-resistant trivalent-chromium chemical conversion coating and solution for trivalent-chromium chemical treatment

#37
20070095435
2007-05-03

Colored conversion layers on metallic substrates

#38
20060057299
2006-03-16

Chemical processing system and method