(19)

(11)

EP 2 643 369 A1

(12)

(43) Date of publication: 02.10.2013 Bulletin 2013/40 (21) Application number: 11843565.0 (22) Date of filing: 02.11.2011

(51) International Patent Classification (IPC):  C08F 220/00(2006.01) C08F 220/56(2006.01) C08F 220/06(2006.01) C08F 220/58(2006.01) (86) International application number: PCT/IB2011/054855 (87) International publication number: WO 2012/069942 (31.05.2012 Gazette 2012/22)

(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 (30) Priority: 24.11.2010 EP 10192387 (71) Applicant: BASF SE 67056 Ludwigshafen (DE)	(72) Inventors: REICHENBACH-KLINKE, Roland 83278 Traunstein (DE) LAFUENTE CERDA, Oscar 85560 Ebersberg (DE) ASSMANN, Andrea 83567 Unterreit (DE) LANGLOTZ, Björn 83308 Trostberg (DE) (74) Representative: Witz, Michael  BASF Construction Chemicals GmbH GVX/DT Dr.-Albert-Frank-Strasse 32 83308 Trostberg 83308 Trostberg (DE)