(19)

(11)

EP 2 699 727 A1

(12)

(43) Date of publication: 26.02.2014 Bulletin 2014/09 (21) Application number: 12707755.0 (22) Date of filing: 07.03.2012

(51) International Patent Classification (IPC):  D06P 1/16(2006.01) D06P 1/64(2006.01) D06P 3/52(2006.01) D06P 1/18(2006.01) D06P 1/642(2006.01) D06P 3/54(2006.01) (86) International application number: PCT/EP2012/053882 (87) International publication number: WO 2012/143167 (26.10.2012 Gazette 2012/43)

(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: 20.04.2011 EP 11163130 (71) Applicant: Huntsman Advanced Materials (Switzerland) GmbH 4057 Basel (CH)	(72) Inventors: SCHEIBLI, Peter CH-4102 Binningen (CH) SPERISSEN, Gilles F-68440 Eschentzwiller (FR) BIANCO, Marisa CH-4415 Lausen (CH)