(19)

(11)

EP 0 498 832 A1

(12)

(43) Date of publication: 19.08.1992 Bulletin 1992/34 (21) Application number: 90916324.0 (22) Date of filing: 31.10.1990

(51) International Patent Classification (IPC):  C09J 7/ 02( . ) (86) International application number: PCT/GB1990/001664 (87) International publication number: WO 1991/006609 (16.05.1991 Gazette 1991/11)

(84) Designated Contracting States: BE DE FR GB IT (30) Priority: 01.11.1989 GB 19890024626 (71) Applicant: EXXON CHEMICAL PATENTS INC. Florham Park New Jersey 07932 (US)	(72) Inventors: SMITS, Jozef, Aleida, Florent B-2630 Aartselaar (BE) ROOX, Guillaume, Jozef B-2018 Antwerp (BE) (74) Representative: Veldhuizen, Albert Dirk Willem, et al  Exxon Chemical Limited Exxon Chemical Technology Centre PO Box 1 Abingdon Oxfordshire OX13 6BB Abingdon Oxfordshire OX13 6BB (GB)