Global Patent Index - EP 2619518 A4

EP 2619518 A4 2017-05-17 - SYSTEM AND METHOD FOR CONTROL OF SIDE LAYER FORMATION IN AN ALUMINIUM ELECTROLYSIS CELL

Title (en)

SYSTEM AND METHOD FOR CONTROL OF SIDE LAYER FORMATION IN AN ALUMINIUM ELECTROLYSIS CELL

Title (de)

SYSTEM UND VERFAHREN ZUR STEUERUNG DER SEITENSCHICHTBILDUNG IN EINER ALUMINIUMELEKTROLYSEZELLE

Title (fr)

SYSTÈME ET PROCÉDÉ PERMETTANT DE COMMANDER LA FORMATION DE COUCHE LATÉRALE D'UNE CELLULE D'ÉLECTROLYSE D'ALUMINIUM

Publication

EP 2619518 A4 (EN)

Application

EP 11827027 A

Priority

  • NO 20101321 A
  • NO 2011000263 W

Abstract (en)

[origin: WO2012039624A1] A system and method is provided for control of layer formation by use of sidelining provided with heat tube.

IPC 8 full level (invention and additional information)

F27D 1/12 (2006.01); C25C 3/08 (2006.01)

CPC (invention and additional information)

C25C 3/08 (2013.01); C25C 3/20 (2013.01); F27D 1/12 (2013.01); F27D 9/00 (2013.01); Y02P 10/262 (2015.11)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

EPO simple patent family

WO 2012039624 A1 20120329; AP 201306815 D0 20130430; AR 083049 A1 20130130; AU 2011306524 A1 20130321; BR 112013006526 A2 20160802; CA 2811873 A1 20120329; CN 103210273 A 20130717; EA 201390309 A1 20130830; EP 2619518 A1 20130731; EP 2619518 A4 20170517; US 2013199938 A1 20130808; ZA 201301798 B 20140528

INPADOC legal status


2017-05-17 [RA4] DESPATCH OF SUPPLEMENTARY SEARCH REPORT

- Effective date: 20170421

2017-05-17 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C25C 3/08 20060101ALI20170413BHEP

2017-05-17 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: F27D 1/12 20060101AFI20170413BHEP

2013-07-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20130422

2013-07-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2013-07-31 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: BA ME