(19)

(11)

EP 0 632 856 A1

(12)

(43) Date of publication: 11.01.1995 Bulletin 1995/02 (21) Application number: 93908582.0 (22) Date of filing: 25.03.1993

(51) International Patent Classification (IPC):  D06M 15/ 227( . ) D06M 15/ 41( . ) D06M 101/ 16( . ) D06M 101/ 34( . ) D06M 15/ 263( . ) D06M 101/ 00( . ) D06M 101/ 30( . ) (86) International application number: PCT/US1993/002805 (87) International publication number: WO 1993/019238 (30.09.1993 Gazette 1993/24)

(84) Designated Contracting States: BE DE FR GB NL (30) Priority: 25.03.1992 US 19920857178 25.03.1992 US 19920857179 (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventor: PECHHOLD, Engelbert Chadds Ford, PA 19317 (US) (74) Representative: Woodcraft, David Charles, et al  BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)