(19)

(11)

EP 0 986 597 A1

(12)

(43) Date of publication: 22.03.2000 Bulletin 2000/12 (21) Application number: 97922931.7 (22) Date of filing: 25.04.1997

(51) International Patent Classification (IPC)7: C08G 59/34, C08G 63/91, C09D 163/08, C09D 5/03, C08G 63/553 (86) International application number: PCT/EP9702/234 (87) International publication number: WO 9849/215 (05.11.1998 Gazette 1998/44)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI NL SE (71) Applicant: SHELL INTERNATIONALE RESEARCHMAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: STARK, Charles, John  (US) MARX, Edward, John Houston, TX 77070 (US)