EP 1042533 A1 20001011 - PHOSPHATIZATION OF A SINGLE-FACE GALVANIZED STEEL STRIP
Title (en)
PHOSPHATIZATION OF A SINGLE-FACE GALVANIZED STEEL STRIP
Title (de)
PHOSPHATIERUNG VON EINSEITIG VERZINKTEM STAHLBAND
Title (fr)
PROCEDE DE PHOSPHATATION DE FEUILLARD D'ACIER GALVANISE D'UN SEUL COTE
Publication
Application
Priority
- DE 19756735 A 19971219
- EP 9808047 W 19981210
Abstract (en)
[origin: DE19756735A1] The galvanized side of steel strip is phosphated with a solution containing, in addition to 1-6 g/l zinc ions and 10-30 g/l phosphate ions, (a) 60-1000 mg/l mono- or poly-hydric alcohol(s) with at least one C-C triple bond, (b) 10-160 mg/l alkyl- or alkenyl-nitrogen compound(s) with at least 5 carbons and/or (c) 10-250 mg/l alkali metal iodide.
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)
C23C 22/12 (2013.01); C23C 22/13 (2013.01); C23C 22/184 (2013.01)
Citation (search report)
See references of WO 9932687A1
Designated contracting state (EPC)
AT BE DE ES FR GB IT NL
DOCDB simple family (publication)
DE 19756735 A1 19990624; AU 2269999 A 19990712; CA 2315778 A1 19990701; EP 1042533 A1 20001011; WO 9932687 A1 19990701
DOCDB simple family (application)
DE 19756735 A 19971219; AU 2269999 A 19981210; CA 2315778 A 19981210; EP 9808047 W 19981210; EP 98966286 A 19981210