(19)

(11)

EP 0 885 057 A1

(12)

(43) Date of publication: 23.12.1998 Bulletin 1998/52 (21) Application number: 96910235.0 (22) Date of filing: 05.03.1996

(51) International Patent Classification (IPC):  B01F 3/ 04( . ) B01F 5/ 02( . ) B01F 3/ 08( . ) B01F 7/ 18( . ) (86) International application number: PCT/NO1996/000047 (87) International publication number: WO 1997/032661 (12.09.1997 Gazette 1997/39)

(84) Designated Contracting States: DE DK ES FI FR GB IE IT NL PT SE (71) Applicant: SINVENT A/S 7034 Trondheim (NO)	(72) Inventor: JOHNSEN, Björn, O. N-7047 Trondheim (NO) (74) Representative: Lind, Charles Leo  c/o Linds Patentbureau Ellekrattet 20 2950 Vedbaek 2950 Vedbaek (DK)