(19)

(11)

EP 0 994 921 A2

(12)

(88) Date of publication A3: 01.04.1999 (43) Date of publication: 26.04.2000 Bulletin 2000/17 (21) Application number: 98933232.5 (22) Date of filing: 08.07.1998

(51) International Patent Classification (IPC)7: C08L 71/12, C08L 67/00, C08L 77/12 (86) International application number: PCT/US9814/067 (87) International publication number: WO 9902/607 (21.01.1999 Gazette 1999/03)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 09.07.1997 US 52808 P 08.04.1998 US 56803 (71) Applicant: E.I. DUPONT DE NEMOURS AND COMPANY Wilmington,Delaware 19898 (US)	(72) Inventor: SOELCH, Richard, Robert Landenberg, PA 19350 (US) (74) Representative: Jones, Alan John et al CARPMAELS & RANSFORD43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)