ClassID:

120474

C23C22/364 - 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 fluorides or complex fluorides containing also phosphates containing also manganese cations

Sub-classes:
Recent Application in this class:
#1
20230193472
2023-06-22

ANTICORROSION TREATMENT SOLUTION AND USES

#2
20190127854
2019-05-02

Method for nickel-free phosphating metal surfaces

#3
20180334748
2018-11-22

METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF CONVERSION COATINGS

#4
20180112314
2018-04-26

Method for specifically adjusting the electrical conductivity of conversion coatings

#5
20180112313
2018-04-26

Method for nickel-free phosphating metal surfaces

#6
20180057773
2018-03-01

Alkaline molybdenum cation and phosphonate-containing cleaning composition

#7
20170314137
2017-11-02

PROCESS FOR COATING METALLIC SURFACES WITH A PASSIVATING AGENT, THE PASSIVATING AGENT AND ITS USE

#8
20170009351
2017-01-12

Method for Coating Metal Surfaces, Substrates Coated in This Way, and Use Thereof

#9
20160040297
2016-02-11

Chemical conversion coated plated steel sheet and method for producing same

#10
20140023882
2014-01-23

Multi-stage anti-corrosion treatment of metal components having zinc surfaces

#11
20130160898
2013-06-27

Chemical conversion coated plated steel sheet and method for producing same

#12
20130157076
2013-06-20

Chemical conversion coated plated steel sheet and method for producing same

#13
20120177826
2012-07-12

Method for coating metallic surfaces with an aqueous composition

#14
20110226388
2011-09-22

Chromate-free conversion film solution and the method of applying the solution to magnesium alloys

#15
20110217514
2011-09-08

Magnesium alloy member and method of manufacturing the same

#16
20110189488
2011-08-04

Process for coating metallic surfaces with an aqueous composition, and this composition

#17
20110180186
2011-07-28

METHOD AND SOLUTION FOR COATING METALLIC SURFACES WITH A PHOSPHATING SOLUTION CONTAINING HYDROGEN PEROXIDE, METALLIC OBJECT PRODUCED AND USE OF THE OBJECT

#18
20110008645
2011-01-13

PROCESS FOR COATING METALLIC SURFACES WITH A PASSIVATING AGENT, THE PASSIVATING AGENT AND ITS USE

#19
20090297843
2009-12-03

NON-CHROME THIN ORGANIC-INORGANIC HYBRID COATING ON ZINCIFEROUS METALS

#20
20090068480
2009-03-12

Method for coating metal substrates with a radically polymerizable coating agent and coated substrates

#21
20080138615
2008-06-12

Method for Coating Metallic Surfaces with an Aqueous Composition and Said Composition

#22
20080127859
2008-06-05

Method for Coating Metallic Surfaces with an Aqueous Multi-Component Composition

#23
20080026233
2008-01-31

Process for coating metal sheet, especially zinc sheet

#24
20070298174
2007-12-27

Method for coating metallic surfaces with an aqueous composition

#25
20060278307
2006-12-14

Method and solution for coating metal surfaces with a posphating solution containing water peroxide, produced metal object and use of said object

#26
20060014893
2006-01-19

Method for coating metal substrates with a radically polymerizable coating agent and coated substrates

#27
20050003226
2005-01-06

Chemically processed steel sheet excellent in corrosion resistance