(19)

(11)

EP 1 042 433 A1

(12)

(43) Date of publication: 11.10.2000 Bulletin 2000/41 (21) Application number: 98966311.7 (22) Date of filing: 14.12.1998

(51) International Patent Classification (IPC)7: C10L 1/18, C10L 1/14, C10L 10/02 (86) International application number: PCT/EP9808/131 (87) International publication number: WO 9932/584 (01.07.1999 Gazette 1999/26)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IT LI NL PT SE (30) Priority: 22.12.1997 EP 97204051 21.01.1998 US 72050 P (71) Applicant: Akzo Nobel N.V. 6824 BM Arnhem (NL)	(72) Inventors: DE GROOT, Johannes, Jacobus NL-7213 AC Gorssel (NL) HOGT, Andreas, Herman NL-7514 BJ Enschede (NL) MEIJER, John NL-7415 ES Deventer (NL) (74) Representative: Schalkwijk, Pieter Cornelis  Akzo Nobel N.V.,Intellectual Property Department (Dept. AIP),P.O. Box 9300 6800 SB Arnhem 6800 SB Arnhem (NL)