(19)

(11)

EP 1 216 288 A1

(12)

(43) Date of publication: 26.06.2002 Bulletin 2002/26 (21) Application number: 00960644.3 (22) Date of filing: 07.09.2000

(51) International Patent Classification (IPC)7: C10L 1/18, C10L 10/04 (86) International application number: PCT/EP0008/869 (87) International publication number: WO 0119/941 (22.03.2001 Gazette 2001/12)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.09.1999 EP 99117853 (71) Applicant: ATOFINA Research 7181 Seneffe (Feluy) (BE)	(72) Inventor: PACKET, Dirk B-1703 Asse (BE) (74) Representative: Luys, Marie-José A.H. et al Gevers & Vander Haeghen,Livornostraat 7 1060 Brussel 1060 Brussel (BE)