Global Patent Index - EP 1970473 B1

EP 1970473 B1 20110831 - Electropolishing method for titanium

Title (en)

Electropolishing method for titanium

Title (de)

Elektropolierverfahren für Titan

Title (fr)

Procédé d'électropolissage pour titane

Publication

EP 1970473 B1 20110831 (DE)

Application

EP 08003975 A 20080304

Priority

DE 102007011632 A 20070309

Abstract (en)

[origin: US2008217186A1] The present invention relates to a method of electrochemical polishing of surfaces of titanium or titanium-containing alloys, such as Nitinol. An electrolyte is used that comprises methanesulfonic acid and one or more alkanediphosphonic acids. These alkanediphosphonic acids can optionally be substituted with hydroxy and/or amino groups. A further aspect of the present invention relates to the use of said electrolyte for the electropolishing of titanium or titanium-containing alloys.

IPC 8 full level

C25F 3/26 (2006.01)

CPC (source: EP US)

C25F 3/26 (2013.01 - EP US)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

US 2008217186 A1 20080911; AT E522642 T1 20110915; DE 102007011632 B3 20080626; EP 1970473 A2 20080917; EP 1970473 A3 20100825; EP 1970473 B1 20110831; ES 2369942 T3 20111209; JP 2008223139 A 20080925; JP 5145083 B2 20130213

DOCDB simple family (application)

US 7379308 A 20080310; AT 08003975 T 20080304; DE 102007011632 A 20070309; EP 08003975 A 20080304; ES 08003975 T 20080304; JP 2008057258 A 20080307