Global Patent Index - EP 2027309 A2

EP 2027309 A2 2009-02-25 - PREHEATING OF ELECTROLYTIC CELL

Title (en)

PREHEATING OF ELECTROLYTIC CELL

Title (de)

VORWÄRMUNG VON ELEKTROLYTZELLEN

Title (fr)

PRÉCHAUFFAGE D'UNE CELLULE ÉLECTROLYTIQUE

Publication

EP 2027309 A2 (EN)

Application

EP 07760973 A

Priority

  • US 2007067035 W
  • US 45117106 A

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 (invention and additional information)

C25C 3/28 (2006.01); C25C 3/06 (2006.01)

CPC (invention and additional information)

C25C 3/08 (2013.01); C25C 3/06 (2013.01)

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

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family

US 2007284259 A1 20071213; AT 458074 T 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