(19)

(11)

EP 2 109 597 A1

(12)

(43) Date of publication: 21.10.2009 Bulletin 2009/43 (21) Application number: 08707406.8 (22) Date of filing: 30.01.2008

(51) International Patent Classification (IPC):  C07C 43/15(2006.01) C07C 45/51(2006.01) C07C 45/45(2006.01) C07C 49/203(2006.01) (86) International application number: PCT/EP2008/000709 (87) International publication number: WO 2008/092655 (07.08.2008 Gazette 2008/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 30.01.2007 EP 07001946 31.05.2007 EP 07010782 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventor: BONRATH, Werner 79115 Freiburg (DE) (74) Representative: Steck, Melanie  DSM Nutritional Products Ltd NBD-BP Wurmisweg 576 4303 Kaiseraugst 4303 Kaiseraugst (CH)