Global Patent Index - EP 1625246 B1

EP 1625246 B1 20060913 - ELECTROLYTE FOR ELECTROCHEMICALLY POLISHING METALLIC SURFACES

Title (en)

ELECTROLYTE FOR ELECTROCHEMICALLY POLISHING METALLIC SURFACES

Title (de)

ELEKTROLYT ZUM ELEKTROCHEMISCHEN POLIEREN VON METALLOBERFLÄCHEN

Title (fr)

ELECTROLYTE POUR LE POLISSAGE ELECTROCHIMIQUE DE SURFACES METALLIQUES

Publication

EP 1625246 B1 20060913 (DE)

Application

EP 04730514 A 20040430

Priority

  • EP 2004004600 W 20040430
  • DE 10320909 A 20030509

Abstract (en)

[origin: US2007029209A1] The present invention relates to electrolytes for electrochemically polishing workpieces consisting of titanium, titanium alloys, niobium, niobium alloys, tantalum and tantalum alloys, which electrolytes contain sulfuric acid, ammonium bifluoride and at least one hydroxycarboxylic acid, and a method for electrochemical polishing.

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 HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2007029209 A1 20070208; US 7807039 B2 20101005; AT E339534 T1 20061015; CA 2525138 A1 20041118; DE 10320909 A1 20041118; DE 502004001497 D1 20061026; DK 1625246 T3 20061113; EP 1625246 A2 20060215; EP 1625246 B1 20060913; ES 2271882 T3 20070416; JP 2006526071 A 20061116; JP 4592683 B2 20101201; PL 1625246 T3 20061229; WO 2004100283 A2 20041118; WO 2004100283 A3 20041209

DOCDB simple family (application)

US 55629104 A 20040430; AT 04730514 T 20040430; CA 2525138 A 20040430; DE 10320909 A 20030509; DE 502004001497 T 20040430; DK 04730514 T 20040430; EP 04730514 A 20040430; EP 2004004600 W 20040430; ES 04730514 T 20040430; JP 2006505339 A 20040430; PL 04730514 T 20040430