EP 0249650 B1 19891213 - ELECTROLYTE FOR ELECTROCHEMICALLY POLISHING METAL SURFACES
Title (en)
ELECTROLYTE FOR ELECTROCHEMICALLY POLISHING METAL SURFACES
Publication
Application
Priority
EP 86108474 A 19860620
Abstract (en)
[origin: US4740280A] The electrolyte according to the invention for electrochemically polishing articles made of steel, stainless steel, nickel alloys, aluminum, and aluminum alloys, and containing phosphoric acid and sulfuric acid comprises an addition of a chelating agent on the basis of phosphonic acids and, if desired, a stabilizer for the latter.
IPC 1-7
IPC 8 full level
C25F 3/16 (2006.01); C25F 3/20 (2006.01); C25F 3/22 (2006.01); C25F 3/24 (2006.01)
CPC (source: EP US)
C25F 3/20 (2013.01 - EP US); C25F 3/22 (2013.01 - EP US); C25F 3/24 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0249650 A1 19871223; EP 0249650 B1 19891213; AT E48661 T1 19891215; DE 3667505 D1 19900118; JP S634100 A 19880109; US 4740280 A 19880426
DOCDB simple family (application)
EP 86108474 A 19860620; AT 86108474 T 19860620; DE 3667505 T 19860620; JP 15152587 A 19870619; US 6409587 A 19870618