EP 0101126 B1 19860507 - PROCESS FOR TREATING WASTE PICKLING PASTES
Title (en)
PROCESS FOR TREATING WASTE PICKLING PASTES
Publication
Application
Priority
DE 3230603 A 19820818
Abstract (en)
[origin: US4478647A] A process for treating spent fluoride-containing pickling paste on metal surfaces by applying to the spent pickling paste on the metal surface an aqueous treating paste composition comprising calcium carbonate having a particle size not in excess of about 5 microns and an alkali metal bicarbonate, which composition has a pH which is not in excess of about 9.5.
IPC 1-7
IPC 8 full level
C23G 1/36 (2006.01); C02F 9/00 (2006.01); C23G 1/02 (2006.01)
CPC (source: EP US)
C23G 1/025 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0101126 A2 19840222; EP 0101126 A3 19840321; EP 0101126 B1 19860507; AT E19661 T1 19860515; DE 3230603 A1 19840223; DE 3363397 D1 19860612; JP S5956585 A 19840402; JP S5956586 A 19840402; US 4478647 A 19841023
DOCDB simple family (application)
EP 83201149 A 19830803; AT 83201149 T 19830803; DE 3230603 A 19820818; DE 3363397 T 19830803; JP 14910183 A 19830815; JP 15089483 A 19830818; US 52450383 A 19830818