(19)

(11)

EP 0 971 968 A2

(12)

(88) Date of publication A3: 21.01.1999 (43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 98920497.9 (22) Date of filing: 24.03.1998

(51) International Patent Classification (IPC)7: C08G 63/60, C08G 59/12, C09D 163/00, C09D 167/00 (86) International application number: PCT/EP9801/903 (87) International publication number: WO 9842/768 (01.10.1998 Gazette 1998/39)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IT LI NL SE (30) Priority: 25.03.1997 EP 97200904 (71) Applicant: SHELL INTERNATIONALE RESEARCHMAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: VAN GAALEN, Ronald, Petrus, Clemens NL-1031 CM Amsterdam (NL) KOOIJMANS, Petrus, Gerardus NL-1031 CM Amsterdam (NL) VOS, Eric, Johannes NL-1031 CM Amsterdam (NL)