(19)

(11)

EP 0 918 889 A1

(12)

(43) Date of publication: 02.06.1999 Bulletin 1999/22 (21) Application number: 97938395.0 (22) Date of filing: 19.08.1997

(51) International Patent Classification (IPC):  D01D 5/ 11( . ) D04H 3/ 16( . ) D01F 6/ 04( . ) (86) International application number: PCT/US1997/014518 (87) International publication number: WO 1998/007907 (26.02.1998 Gazette 1998/08)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 19.08.1996 US 19960699281 27.03.1997 US 19970825266 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventor: MARSHALL, Larry, Ray Chesterfield, VA 23838 (US) (74) Representative: Woodman, Derek, et al  Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)