EP 0193239 B1 19890712 - COMPOSITIONS AND PROCESS FOR CHEMICALLY POLISHING STEEL SURFACES
Title (en)
COMPOSITIONS AND PROCESS FOR CHEMICALLY POLISHING STEEL SURFACES
Publication
Application
Priority
FR 8503263 A 19850304
Abstract (en)
[origin: US4652340A] The chemical polishing of steel surfaces is carried out by bringing the latter into contact with a bath comprising, in aqueous solution, hydrochloric acid, phosphoric acid, nitric acid and ferricyanide complex ions. The invention is in particular applicable to the polishing of vessels of large dimensions made from stainless steel alloyed with chromium and with nickel.
IPC 1-7
IPC 8 full level
C23F 3/06 (2006.01)
CPC (source: EP US)
C23F 3/06 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0193239 A1 19860903; EP 0193239 B1 19890712; AT E44553 T1 19890715; DE 3664339 D1 19890817; ES 552595 A0 19870516; ES 8705930 A1 19870516; FR 2578271 A1 19860905; JP H0577751 B2 19931027; JP S61217600 A 19860927; PT 82125 A 19860401; PT 82125 B 19880421; US 4652340 A 19870324
DOCDB simple family (application)
EP 86200262 A 19860220; AT 86200262 T 19860220; DE 3664339 T 19860220; ES 552595 A 19860303; FR 8503263 A 19850304; JP 4716486 A 19860304; PT 8212586 A 19860303; US 84074986 A 19860303