(19)

(11)

EP 0 946 107 A1

(12)

(43) Date of publication: 06.10.1999 Bulletin 1999/40 (21) Application number: 97954471.0 (22) Date of filing: 23.12.1997

(51) International Patent Classification (IPC):  A21D 2/ 26( . ) A23K 1/ 16( . ) A23L 1/ 23( . ) A23L 1/ 305( . ) A23L 1/ 39( . ) A23J 3/ 34( . ) A23L 1/ 227( . ) A23L 1/ 24( . ) A23L 1/ 314( . ) (86) International application number: PCT/EP1997/007293 (87) International publication number: WO 1998/027828 (02.07.1998 Gazette 1998/26)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.12.1996 EP 19960203622 19.02.1997 US 19970801343 08.04.1997 EP 19970201003 08.04.1997 US 19970832192 16.05.1997 EP 19970201490 19.05.1997 US 19970858579 (71) Applicant: DSM N.V. 6411 TE Heerlen (NL)	(72) Inventors: SCHOENMAKER, Arie, Cornelis NL-1509 BE Zaandam (NL) PLIJTER-SCHUDDEMAT, Johanna NL-2291 JV Wateringen (NL) EDENS, Luppo NL-3062 JL Rotterdam (NL) (74) Representative: Matulewicz, Emil Rudolf Antonius, et al  DSM- Patents & Trademarks (994-0760), P.O. Box 1 2600 MA Delft 2600 MA Delft (NL)