(19)

(11)

EP 0 824 370 A1

(12)

(43) Date of publication: 25.02.1998 Bulletin 1998/09 (21) Application number: 96911104.0 (22) Date of filing: 18.04.1996

(51) International Patent Classification (IPC):  B01J 19/ 32( . ) B01J 35/ 02( . ) (86) International application number: PCT/NL1996/000168 (87) International publication number: WO 1996/033017 (24.10.1996 Gazette 1996/47)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 19.04.1995 NL 19951000176 (71) Applicant: TECHNISCHE UNIVERSITEIT DELFT 2628 BL Delft (NL)	(72) Inventors: VAN DEN BLEEK, Cornelis, Maria NL-2631 PW Nootdorp (NL) CALIS, Hans, Peter, Alexander NL-2631 TG Nootdorp (NL) GERRITSEN, Albert, Willem NL-2625 LK Delft (NL) (74) Representative: Smulders, Theodorus A.H.J., Ir., et al  Vereenigde Octrooibureaux Nieuwe Parklaan 97 2587 BN 's-Gravenhage 2587 BN 's-Gravenhage (NL)