(19)

(11)

EP 2 723 877 A1

(12)

(43) Date of publication: 30.04.2014 Bulletin 2014/18 (21) Application number: 12730202.4 (22) Date of filing: 20.06.2012

(51) International Patent Classification (IPC):  C12P 13/02(2006.01) C12P 13/04(2006.01) (86) International application number: PCT/EP2012/061889 (87) International publication number: WO 2012/175574 (27.12.2012 Gazette 2012/52)

(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: 21.06.2011 CH 10502011 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: GRUNER, Ines CH-4002 Basel (CH) PRAGAI, Zoltan CH-4002 Basel (CH) (74) Representative: Kurt, Manfred  Wurmisweg 576 4303 Kaiseraugst 4303 Kaiseraugst (CH)