ClassID:

120508

C23C22/80 - 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; Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds

Recent Application in this class:
#1
20260048896
2026-02-19

PRETREATED ALUMINUM ALLOY TAB STOCK

#2
20240218520
2024-07-04

Pretreatment Agent and Chemical Conversion Treatment Agent

#3
20240209513
2024-06-27

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

#4
20240124982
2024-04-18

METHOD FOR SEQUENTIALLY CONSTRUCTING A CONVERSION LAYER ON COMPONENTS COMPRISING STEEL SURFACES

#5
20230002877
2023-01-05

Method for Producing a Flat Steel Product Having a Protective Zinc-Based Metal Layer and a Phosphating Layer Produced on a Surface of the Protective Metal Layer and Flat Steel Product of This Type

#6
20220411936
2022-12-29

BEARING COMPONENT

#7
20220411935
2022-12-29

Component

#8
20210253870
2021-08-19

Method for treating surfaces of aluminum containing substrates

#9
20210172068
2021-06-10

Pretreatment agent and chemical conversion treatment agent

#10
20210062346
2021-03-04

PROCESS FOR SELECTIVE PHOSPHATING OF A COMPOSITE METAL CONSTRUCTION

#11
20200332420
2020-10-22

Systems and methods for maintaining pretreatment baths

#12
20200299847
2020-09-24

Method for pretreating aluminum materials, particularly aluminum wheels

#13
20190284700
2019-09-19

Method for corrosion-protective and cleaning pretreatment of metallic components

#14
20190284097
2019-09-19

Method for preparing porous titania thin film by using cellulose nanocrystal

#15
20180142104
2018-05-24

Surface treatment composition

#16
20180079174
2018-03-22

Hot-dip zinc-based plated steel sheet

#17
20180057946
2018-03-01

Conversion coating and method of making

#18
20180057773
2018-03-01

Alkaline molybdenum cation and phosphonate-containing cleaning composition

#19
20170137947
2017-05-18

PROCESSES AND COMPOSITIONS FOR IMPROVING CORROSION PERFORMANCE OF ZIRCONIUM OXIDE PRETREATED ZINC SURFACES

#20
20170130339
2017-05-11

Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates

#21
20170096573
2017-04-06

Chemical conversion-treated steel sheet and method for producing same, and chemical conversion treatment solution

#22
20170029954
2017-02-02

Method for activating metal surfaces to be phosphated

#23
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

#24
20150225856
2015-08-13

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

#25
20150024222
2015-01-22

METHOD FOR PASSIVATION OF STRIP BLACK PLATE

#26
20140261896
2014-09-18

Method for conversion treating surface of magnesium alloy workpiece

#27
20140255706
2014-09-11

Method for coating metallic surfaces with a multi-component aqueous composition

#28
20140051311
2014-02-20

Method for coating metal surfaces with an activating agent prior to phosphating

#29
20110226159
2011-09-22

Method for coating metal surfaces with an activating agent prior to phosphating

#30
20110189401
2011-08-04

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

#31
20110185945
2011-08-04

Process for the Production of Titanium-IV-Phosphate

#32
20110048584
2011-03-03

Surface treatment method of metal material

#33
20090209689
2009-08-20

Corrosion and abrasion resistant coating

#34
20090110834
2009-04-30

Corrosion and abrasion resistant coating

#35
20080283152
2008-11-20

RINSE CONDITIONER BATH FOR TREATING A SUBSTRATE AND ASSOCIATED METHOD

#36
20080041498
2008-02-21

Surface conditioning composition and surface conditioning method

#37
20070240604
2007-10-18

Composition for surface conditioning and a method for surface conditioning

#38
20060060265
2006-03-23

Lubricant system for cold forming, process and composition therefor