(19)

(11)

EP 0 804 404 A1

(12)

(43) Date of publication: 05.11.1997 Bulletin 1997/45 (21) Application number: 95923295.0 (22) Date of filing: 08.06.1995

(51) International Patent Classification (IPC):  C07C 53/ 126( . ) C07C 53/ 128( . ) (86) International application number: PCT/EP1995/002247 (87) International publication number: WO 1995/034524 (21.12.1995 Gazette 1996/02)

(84) Designated Contracting States: BE CH DE ES FR GB IT LI LU NL SE (30) Priority: 10.06.1994 GB 19940011698 (71) Applicant: EXXON CHEMICAL PATENTS INC. Linden New Jersey 07036 (US)	(72) Inventors: REYNIERS, Sylvain, Leontina, Edmond B-1880 Kapelle-op-den-Bos (BE) HYNA, Viktor B-1831 Kraainem (BE) (74) Representative: Bawden, Peter Charles, et al  Exxon Chemical Ltd P O Box 1 Abingdon, Oxfordshire OX13 6BB Abingdon, Oxfordshire OX13 6BB (GB)