(19)

(11)

EP 2 615 924 A1

(12)

(43) Date of publication: 24.07.2013 Bulletin 2013/30 (21) Application number: 11825535.5 (22) Date of filing: 14.09.2011

(51) International Patent Classification (IPC):  A22C 29/04(2006.01) (86) International application number: PCT/SE2011/051108 (87) International publication number: WO 2012/036621 (22.03.2012 Gazette 2012/12)

(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: 17.09.2010 SE 1050972 (71) Applicant: BioPolymer Products of Sweden AB 435 33 Mölnlycke (SE)	(72) Inventors: STRANDWITZ, Björn S-442 75 Lycke (SE) LAGERSTEDT, Jan SE-216 21 Malmö (SE) (74) Representative: Estreen, Lars J.F.  Bergenstråhle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)