(19)

(11)

EP 0 882 111 A1

(12)

(43) Date of publication: 09.12.1998 Bulletin 1998/50 (21) Application number: 97901058.0 (22) Date of filing: 14.01.1997

(51) International Patent Classification (IPC):  B01J 38/ 12( . ) C10G 11/ 18( . ) B01J 38/ 68( . ) (86) International application number: PCT/EP1997/000200 (87) International publication number: WO 1997/026313 (24.07.1997 Gazette 1997/32)

(84) Designated Contracting States: BE CH DE ES FR GB IT LI NL SE (30) Priority: 15.01.1996 EP 19960200088 (71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: DE JONG, Krijn, Peiter NL-1031 CM Amsterdam (NL) MESTERS, Carolus, Matthias, Anna, Maria NL-1031 CM Amsterdam (NL) WIELERS, Antonius, Franziskus, Heinrich NL-1031 CM Amsterdam (NL)