(19)

(11)

EP 0 562 024 A1

(12)

(43) Date of publication: 29.09.1993 Bulletin 1993/39 (21) Application number: 92903258.0 (22) Date of filing: 13.12.1991

(51) International Patent Classification (IPC):  D06M 15/ 21( . ) D06M 15/ 248( . ) D06M 15/ 285( . ) D06M 15/ 333( . ) D06M 15/ 41( . ) D06M 101/ 16( . ) D06M 101/ 34( . ) D06M 15/ 227( . ) D06M 15/ 263( . ) D06M 15/ 31( . ) D06M 15/ 356( . ) D06M 101/ 00( . ) D06M 101/ 30( . ) (86) International application number: PCT/US1991/009155 (87) International publication number: WO 1992/010605 (25.06.1992 Gazette 1992/14)

(84) Designated Contracting States: BE DE FR GB (30) Priority: 13.12.1990 US 19900626885 (60) Divisional application: 94203127.9 / 0648886 (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)