Global Patent Index - EP 3307925 B1

EP 3307925 B1 20190313 - PROCESS FOR PLASMA ELECTROLYTIC OXIDATION

Title (en)

PROCESS FOR PLASMA ELECTROLYTIC OXIDATION

Title (de)

VERFAHREN ZUR PLASMAELEKTROLYTISCHEN OXIDATION

Title (fr)

PROCÉDÉ POUR OXYDATION PAR PLASMA ÉLECTROLYTIQUE

Publication

EP 3307925 B1 20190313 (DE)

Application

EP 16732922 A 20160609

Priority

  • AT 504672015 A 20150609
  • AT 2016050188 W 20160609

Abstract (en)

[origin: WO2016197175A1] The invention relates to an electrolyte for plasma electrolytic oxidation of workpieces produced from light metal and/or light metal alloys, containing a saline solution, wherein at least one salt or a combination of two or more salts is selected from a group comprising metal salts, in particular borates, phosphates, nitrates, sulphates, aluminates, silicates, manganates, molybdates, tungstates, and/or salts of organic acids, especially methane sulfonates and/or amidosulfonates, and/or metal complexes as well as combinations thereof, wherein inorganic non-metallic particles are suspended in this saline solution. The invention also relates to a method for plasma electrolytic oxidation of workpieces produced from light metal and/or light metal alloys.

IPC 8 full level

C25D 11/02 (2006.01); C25D 11/06 (2006.01); C25D 11/26 (2006.01); C25D 11/30 (2006.01); C25D 11/34 (2006.01)

CPC (source: AT EP)

C25D 5/18 (2013.01 - AT); C25D 11/024 (2013.01 - EP); C25D 11/026 (2013.01 - EP); C25D 11/06 (2013.01 - EP); C25D 11/26 (2013.01 - EP); C25D 11/30 (2013.01 - EP); C25D 11/34 (2013.01 - EP); C25D 15/00 (2013.01 - AT)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2016197175 A1 20161215; AT 516503 A4 20160615; AT 516503 B1 20160615; DK 3307925 T3 20190624; EP 3307925 A1 20180418; EP 3307925 B1 20190313; ES 2739548 T3 20200131

DOCDB simple family (application)

AT 2016050188 W 20160609; AT 504672015 A 20150609; DK 16732922 T 20160609; EP 16732922 A 20160609; ES 16732922 T 20160609