EP 0155742 B1 19910724 - PROCESS AND COATING COMPOSITION FOR METALLIC SURFACE TREATMENT
Title (en)
PROCESS AND COATING COMPOSITION FOR METALLIC SURFACE TREATMENT
Publication
Application
Priority
US 59259184 A 19840323
Abstract (en)
[origin: EP0155742A2] Coatings that provide a good base for paint, especially prior to subsequent forming operations, and that provide corrosion resistance are obtained on sheet steel or other metal surfaces by application of a composition containing hexavalent chromium, silica or silicate, phosphate and optionally trivalent chromium.
IPC 1-7
IPC 8 full level
C23C 22/33 (2006.01); C23C 22/74 (2006.01)
CPC (source: EP)
C23C 22/33 (2013.01); C23C 22/74 (2013.01)
Designated contracting state (EPC)
BE DE FR IT NL SE
DOCDB simple family (publication)
EP 0155742 A2 19850925; EP 0155742 A3 19870429; EP 0155742 B1 19910724; AR 242247 A1 19930331; AU 4028085 A 19850926; AU 580041 B2 19881222; BR 8501308 A 19851119; CA 1256003 A 19890620; DE 3509556 A1 19851024; DE 3583512 D1 19910829; GB 2155962 A 19851002; GB 2155962 B 19871231; GB 8507516 D0 19850501; JP H0422986 B2 19920421; JP S60218483 A 19851101; MX 166776 B 19930203; NZ 211485 A 19880728; ZA 852128 B 19851127
DOCDB simple family (application)
EP 85200412 A 19850319; AR 29982485 A 19850321; AU 4028085 A 19850322; BR 8501308 A 19850322; CA 476688 A 19850315; DE 3509556 A 19850316; DE 3583512 T 19850319; GB 8507516 A 19850322; JP 5934285 A 19850323; MX 20471485 A 19850322; NZ 21148585 A 19850318; ZA 852128 A 19850321