EP 0161667 B1 19881026 - PROCESS FOR THE TREATMENT OF METAL SURFACES
Title (en)
PROCESS FOR THE TREATMENT OF METAL SURFACES
Publication
Application
Priority
US 61166384 A 19840518
Abstract (en)
[origin: US4496404A] A composition and process for treating ferrous substrates including black plate container bodies to inhibit in-process corrosion or rusting of the surfaces thereof by contacting the ferrous substrate with aqueous acidic composition containing controlled effective amounts of aluminum, fluoride, optionally a second metal selected from the group consisting of zirconium, titanium, hafnium and mixtures thereof and hydrogen ions to provide a pH on the acid side.
IPC 1-7
IPC 8 full level
C23C 22/34 (2006.01); C23F 1/28 (2006.01); C23F 11/00 (2006.01); C23F 11/18 (2006.01); C23G 1/08 (2006.01)
CPC (source: EP US)
C23C 22/34 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR IT LI NL SE
DOCDB simple family (publication)
US 4496404 A 19850129; AT E38254 T1 19881115; AU 4223085 A 19851121; AU 576574 B2 19880901; BR 8502349 A 19860121; CA 1264538 A 19900123; DE 3517280 A1 19851128; DE 3565863 D1 19881201; EP 0161667 A1 19851121; EP 0161667 B1 19881026; ES 543711 A0 19860101; ES 8603589 A1 19860101; GB 2158845 A 19851120; GB 2158845 B 19871104; GB 8512285 D0 19850619; JP S60255986 A 19851217; MX 164560 B 19920826; NZ 212007 A 19880929; ZA 853561 B 19851224
DOCDB simple family (application)
US 61166384 A 19840518; AT 85105917 T 19850514; AU 4223085 A 19850509; BR 8502349 A 19850517; CA 480961 A 19850507; DE 3517280 A 19850514; DE 3565863 T 19850514; EP 85105917 A 19850514; ES 543711 A 19850514; GB 8512285 A 19850515; JP 10572285 A 19850517; MX 20533985 A 19850517; NZ 21200785 A 19850507; ZA 853561 A 19850510