(19)

(11)

EP 1 117 859 A1

(12)

(43) Date of publication: 25.07.2001 Bulletin 2001/30 (21) Application number: 99944025.8 (22) Date of filing: 31.08.1999

(51) International Patent Classification (IPC)7: D03D 15/12 (86) International application number: PCT/US9919/951 (87) International publication number: WO 0018/993 (06.04.2000 Gazette 2000/14)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 28.09.1998 US 161811 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY WilmingtonDelaware 19898 (US)	(72) Inventors: SHAFFER, Donald, E. Wilmington, DE 19807 (US) GHORASHI, Hamid, Moayed Midlothian, VA 23112 (US) (74) Representative: Woodman, Derek  Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)