(19)

(11)

EP 0 552 270 A1

(12)

(43) Date of publication: 28.07.1993 Bulletin 1993/30 (21) Application number: 91919352.0 (22) Date of filing: 11.10.1991

(51) International Patent Classification (IPC):  D01F 2/ 00( . ) D06M 13/ 02( . ) D06M 13/ 325( . ) D06M 13/ 355( . ) D06M 15/ 356( . ) D06M 23/ 00( . ) D06M 101/ 02( . ) D06M 101/ 08( . ) D01F 11/ 02( . ) D06M 13/ 322( . ) D06M 13/ 35( . ) D06M 15/ 21( . ) D06M 15/ 39( . ) D06M 101/ 00( . ) D06M 101/ 06( . ) (86) International application number: PCT/GB1991/001776 (87) International publication number: WO 1992/007124 (30.04.1992 Gazette 1992/10)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI NL SE (30) Priority: 12.10.1990 GB 19900022175 (71) Applicant: COURTAULDS PLC London W1A 2BB (GB)	(72) Inventor: TAYLOR, James Martin Alveston, Derby DE2 6GW (GB) (74) Representative: Hale, Stephen Geoffrey, et al  J.Y. & G.W. Johnson Furnival House 14/18 High Holborn London WC1V 6DE London WC1V 6DE (GB)