EP 0778091 B1 20000119 - Aqueous solution for cold working treatment of steel sheets
Title (en)
Aqueous solution for cold working treatment of steel sheets
Title (de)
Wässerige Lösung zur Kaltverfestigungsbehandlung von Stahlblechen
Title (fr)
Solution aqueuse de traitement d'écrouissage de tôles d'acier
Publication
Application
Priority
FR 9514440 A 19951207
Abstract (en)
[origin: EP0778091A1] Treatment solution for steel sheets that have been rolled and recrystallisation annealed contains maximum 5.10<-2> mol/l water soluble salt of heptanoic acid and 0.1-1 times the salt concentration of oxidising agent.
IPC 1-7
IPC 8 full level
C10M 173/02 (2006.01); B21B 45/02 (2006.01); C23F 11/08 (2006.01); C23F 11/12 (2006.01); B21B 1/22 (2006.01); C10N 30/12 (2006.01); C10N 40/20 (2006.01)
CPC (source: EP US)
B21B 45/0206 (2013.01 - EP US); C23F 11/08 (2013.01 - EP US); B21B 2001/228 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0778091 A1 19970611; EP 0778091 B1 20000119; AT E188895 T1 20000215; CA 2191938 A1 19970608; DE 69606270 D1 20000224; DE 69606270 T2 20000831; ES 2143162 T3 20000501; FR 2742080 A1 19970613; FR 2742080 B1 19980116; JP H09194873 A 19970729; PT 778091 E 20000630; US 5814247 A 19980929
DOCDB simple family (application)
EP 96402301 A 19961030; AT 96402301 T 19961030; CA 2191938 A 19961203; DE 69606270 T 19961030; ES 96402301 T 19961030; FR 9514440 A 19951207; JP 34276096 A 19961206; PT 96402301 T 19961030; US 76067196 A 19961209