(19)

(11)

EP 2 720 962 A1

(12)

(43) Date of publication: 23.04.2014 Bulletin 2014/17 (21) Application number: 12729469.2 (22) Date of filing: 13.06.2012

(51) International Patent Classification (IPC):  B65D 90/02(2006.01) B65D 88/12(2006.01) B32B 5/28(2006.01) (86) International application number: PCT/EP2012/061218 (87) International publication number: WO 2012/171963 (20.12.2012 Gazette 2012/51)

(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: 14.06.2011 EP 11169833 14.06.2011 EP 11169836 14.06.2011 EP 11169837 14.06.2011 EP 11169839 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: AMATO, Luca NL-8022 AW Zwolle (NL) RATOUIT, Guillaume NL-8022 AW Zwolle (NL) WESSELS, Rudolf Machiel NL-6100 AA Echt (NL) SCHEPDAEL, VAN, Ludo NL-6100 AA Echt (NL) JONGELING, Theophillus Joannes Mattheus NL-6100 AA Echt (NL) (74) Representative: Verhaegen, Ilse Maria M.  DSM Intellectual Property Urmond Office P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)