EP 0224190 B1 19910918 - PROCESS FOR ACTIVATING METALLIC SURFACES PRIOR TO ZINC PHOSPHATING
Title (en)
PROCESS FOR ACTIVATING METALLIC SURFACES PRIOR TO ZINC PHOSPHATING
Publication
Application
Priority
DE 3541997 A 19851128
Abstract (en)
[origin: US4707193A] A method for activating a metal surface during a phosphating process by treating the surface with an activating solution containing titanium ions, phosphate ions, and borate ions, after initial cleaning and rinsing but before phosphation.
IPC 1-7
IPC 8 full level
C23C 22/07 (2006.01); C23C 22/80 (2006.01)
CPC (source: EP US)
C23C 22/80 (2013.01 - EP US)
Designated contracting state (EPC)
DE
DOCDB simple family (publication)
EP 0224190 A2 19870603; EP 0224190 A3 19890118; EP 0224190 B1 19910918; CA 1267062 A 19900327; DE 3541997 A1 19870604; DE 3681562 D1 19911024; ES 2002664 A6 19880916; JP S62133082 A 19870616; US 4707193 A 19871117; ZA 868990 B 19870729
DOCDB simple family (application)
EP 86116027 A 19861119; CA 523837 A 19861126; DE 3541997 A 19851128; DE 3681562 T 19861119; ES 8603187 A 19861126; JP 28581686 A 19861128; US 93383286 A 19861124; ZA 868990 A 19861127