(19)

(11)

EP 1 049 380 A1

(12)

(43) Date of publication: 08.11.2000 Bulletin 2000/45 (21) Application number: 99900716.4 (22) Date of filing: 18.01.1999

(51) International Patent Classification (IPC)7: A23C 19/028, A23C 19/05, B01F 5/04 (86) International application number: PCT/NL9900/032 (87) International publication number: WO 9937/162 (29.07.1999 Gazette 1999/30)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE Designated Extension States: SI (30) Priority: 23.01.1998 NL 1008115 (71) Applicant: STICHTING NEDERLANDS INSTITUUTVOOR ZUIVELONDERZOEK 6718 ZB Ede (NL)	(72) Inventor: VAN DEN BERG, Gerard NL-6713 MT Ede (NL) (74) Representative: Prins, Adrianus Willem et al Vereenigde,Nieuwe Parklaan 97 2587 BN Den Haag 2587 BN Den Haag (NL)