(19)

(11)

EP 0 708 852 A1

(12)

(43) Date of publication: 01.05.1996 Bulletin 1996/18 (21) Application number: 94920307.0 (22) Date of filing: 29.06.1994

(51) International Patent Classification (IPC):  D04H 1/ 42( . ) D04H 1/ 64( . ) (86) International application number: PCT/US1994/007076 (87) International publication number: WO 1995/001475 (12.01.1995 Gazette 1995/03)

(84) Designated Contracting States: BE DE FR GB IT SE (30) Priority: 01.07.1993 US 19930084936 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventors: FRANKOSKY, Michael, Stephen Hockessin, DE 19707 (US) KWOK, Wo, Kong Hockessin, DE 19707 (US) (74) Representative: Jones, Alan John, et al  CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)