(19)

(11)

EP 2 750 859 A2

(12)

(88) Date of publication A3: 10.05.2013 (43) Date of publication: 09.07.2014 Bulletin 2014/28 (21) Application number: 12756150.4 (22) Date of filing: 29.08.2012

(51) International Patent Classification (IPC):  B29C 47/90(2006.01) B29C 47/94(2006.01) B29C 47/92(2006.01) B29C 47/88(2006.01) (86) International application number: PCT/EP2012/066770 (87) International publication number: WO 2013/030228 (07.03.2013 Gazette 2013/10)

(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: 29.08.2011 EP 11179214 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: GROSS, Heinz NL-6100 AA Echt (NL) QUAEDFLIEG, Matheus Pieter NL-6100 AA Echt (NL) RIJKS, Leonardus Wilhelmus Guillaume NL-6100 AA Echt (NL) (74) Representative: Hansen, Jesper Römer  DSM Intellectual Property Geleen Office P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)