EP 2027309 A4 20090701 - PREHEATING OF ELECTROLYTIC CELL
Title (en)
PREHEATING OF ELECTROLYTIC CELL
Title (de)
VORWÄRMUNG VON ELEKTROLYTZELLEN
Title (fr)
PRÉCHAUFFAGE D'UNE CELLULE ÉLECTROLYTIQUE
Publication
Application
Priority
- US 2007067035 W 20070420
- US 45117106 A 20060612
Abstract (en)
[origin: US2007284259A1] A process for preheating an electrolytic cell, which involves disposing at least one sheet of compressed particles of exfoliated graphite across at least a portion of the surface of cathode blocks in the cell.
IPC 8 full level
CPC (source: EP US)
Citation (search report)
- [DA] WO 2004027119 A2 20040401 - PECHINEY ALUMINIUM [FR], et al
- [A] US 5149518 A 19920922 - MERCURI ROBERT A [US], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2007284259 A1 20071213; AT E458074 T1 20100315; AU 2007258182 A1 20071221; CA 2643442 A1 20071221; DE 602007004845 D1 20100401; EP 2027309 A2 20090225; EP 2027309 A4 20090701; EP 2027309 B1 20100217; WO 2007146492 A2 20071221; WO 2007146492 A3 20081106; ZA 200810525 B 20091028
DOCDB simple family (application)
US 45117106 A 20060612; AT 07760973 T 20070420; AU 2007258182 A 20070420; CA 2643442 A 20070420; DE 602007004845 T 20070420; EP 07760973 A 20070420; US 2007067035 W 20070420; ZA 200810525 A 20081211