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EP 2 847 253 A1

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(43) Date of publication: 18.03.2015 Bulletin 2015/12 (21) Application number: 13787033.3 (22) Date of filing: 07.05.2013

(51) International Patent Classification (IPC):  C08G 73/18(2006.01) H01M 8/10(2006.01) C08G 73/22(2006.01) (86) International application number: PCT/IB2013/000874 (87) International publication number: WO 2013/167950 (14.11.2013 Gazette 2013/46)

(84) Designated Contracting States: 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 States: BA ME (30) Priority: 08.05.2012 EP 12003584 (71) Applicants: BASF SE 67056 Ludwigshafen (DE) AL AT BE BG CH 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  BASF Schweiz AG 4057 Basel (CH) CY

(72) Inventor: GRONWALD, Oliver 60316 Frankfurt (DE) (74) Representative: Mai, Dörr, Besier  Patentanwälte Steuerberater/Wirtschaftsprüfer Kreuzberger Ring 64 65205 Wiesbaden 65205 Wiesbaden (DE)