EP 0219779 B1 19911211 - PHOSPHATIZING PROCESS FOR ELECTROLYTICALLY GALVANIZED METAL OBJECTS
Title (en)
PHOSPHATIZING PROCESS FOR ELECTROLYTICALLY GALVANIZED METAL OBJECTS
Publication
Application
Priority
DE 3537108 A 19851018
Abstract (en)
[origin: ES2002422A6] A method for phosphate coating zinc or nickel-zinc alloy electrolytically coated metal surfaces, in which they are exposed to a phosphating solution containing zinc, manganese, and phosphate ions, and optionally cobalt and/or nitrate ions. The method is conducted at an elevated temperature for up to slightly more than 5 seconds.
IPC 1-7
IPC 8 full level
C23C 22/12 (2006.01); C23C 22/13 (2006.01); C23C 22/18 (2006.01)
CPC (source: EP KR US)
C23C 2/04 (2013.01 - KR); C23C 22/182 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0219779 A2 19870429; EP 0219779 A3 19881221; EP 0219779 B1 19911211; AT E70314 T1 19911215; AU 581789 B2 19890302; AU 6415686 A 19870430; CA 1240905 A 19880823; DE 3537108 A1 19870423; DE 3682865 D1 19920123; ES 2002422 A6 19880801; JP H086183 B2 19960124; JP S6299478 A 19870508; KR 870004164 A 19870507; KR 930010339 B1 19931016; US 4762572 A 19880809; ZA 867903 B 19870527
DOCDB simple family (application)
EP 86114075 A 19861010; AT 86114075 T 19861010; AU 6415686 A 19861017; CA 520902 A 19861020; DE 3537108 A 19851018; DE 3682865 T 19861010; ES 8602645 A 19861017; JP 24825186 A 19861018; KR 860008719 A 19861017; US 92166586 A 19861020; ZA 867903 A 19861017