Global Patent Index - EP 1277218 A1

EP 1277218 A1 20030122 - OPERATING ELECTROLYTE CONTAINING A CORROSION INHIBITOR FOR ALUMINUM ELECTROLYTE CAPACITORS

Title (en)

OPERATING ELECTROLYTE CONTAINING A CORROSION INHIBITOR FOR ALUMINUM ELECTROLYTE CAPACITORS

Title (de)

BETRIEBSELEKTROLYT MIT KORROSIONSINHIBITOR FÜR ALUMINIUM-ELEKTROLYTKONDENSATOR

Title (fr)

ELECTROLYTE DE FONCTIONNEMENT COMPRENANT UN INHIBITEUR DE CORROSION, DESTINE A DES CONDENSATEURS ELECTROLYTIQUES A L'ALUMINIUM

Publication

EP 1277218 A1 20030122 (DE)

Application

EP 01929259 A 20010323

Priority

  • DE 0101135 W 20010323
  • DE 10020928 A 20000428

Abstract (en)

[origin: WO0184573A1] The invention relates to a novel operating electrolyte on the basis of glycol/boric acid/borate, which contains, as an inhibitor protecting the aluminum oxide layer from corrosion, a weak acid with an organic backbone, said acid group being selected from carboxylic acid, sulfonic acid, phosphonic acid or an acidic derivative of said acids.

IPC 1-7

H01G 9/035

IPC 8 full level

H01G 9/02 (2006.01); H01G 9/022 (2006.01)

CPC (source: EP)

H01G 9/022 (2013.01)

Citation (search report)

See references of WO 0184573A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0184573 A1 20011108; CN 1426591 A 20030625; DE 10020928 A1 20011108; DE 10020928 C2 20020502; EP 1277218 A1 20030122; US 2004004806 A1 20040108; US 6942819 B2 20050913

DOCDB simple family (application)

DE 0101135 W 20010323; CN 01808716 A 20010323; DE 10020928 A 20000428; EP 01929259 A 20010323; US 25883303 A 20030609