(19)

(11)

EP 2 509 892 A1

(12)

(43) Date of publication: 17.10.2012 Bulletin 2012/42 (21) Application number: 10790428.6 (22) Date of filing: 10.12.2010

(51) International Patent Classification (IPC):  B65D 88/12(2006.01) B65D 90/08(2006.01) B65D 90/02(2006.01) (86) International application number: PCT/EP2010/069364 (87) International publication number: WO 2011/070147 (16.06.2011 Gazette 2011/24)

(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: 10.12.2009 EP 09178680 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: WESSELS, Rudolf Machiel NL-5611 CG Eindhoven (NL) FIETEN, Bram NL-6160 MA Geleen (NL) AMATO, Luca NL-8022 AW Zwolle (NL) (74) Representative: Verhaegen, Ilse Maria M.  DSM Intellectual Property P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)