(19)

(11)

EP 1 703 799 A1

(12)

(43) Date of publication: 27.09.2006 Bulletin 2006/39 (21) Application number: 05706849.6 (22) Date of filing: 06.01.2005

(51) International Patent Classification (IPC):  A23C 19/16(2006.01) (86) International application number: PCT/EP2005/000121 (87) International publication number: WO 2005/067726 (28.07.2005 Gazette 2005/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 06.01.2004 EP 04075029 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: SMITS, Angela, Leonarda, Maria NL-3523 VK Utrecht (NL) GROOT DE, Jacobus NL-7431 BM Diepenveen (NL) (74) Representative: Matulewicz, Emil Rudolf Antonius et al DSM Intellectual Property Office Delft PP 600-0240 P.O. Box 1 2600 MA Delft 2600 MA Delft (NL)