(19)

(11)

EP 0 809 610 A1

(12)

(43) Date of publication: 03.12.1997 Bulletin 1997/49 (21) Application number: 96902374.0 (22) Date of filing: 13.02.1996

(51) International Patent Classification (IPC):  C02F 3/ 04( . ) C02F 3/ 32( . ) C02F 3/ 06( . ) (86) International application number: PCT/GB1996/000334 (87) International publication number: WO 1996/025366 (22.08.1996 Gazette 1996/38)

(84) Designated Contracting States: DE GB NL (30) Priority: 14.02.1995 GB 19950002828 24.02.1995 GB 19950003768 (71) Applicant: Worthington, Andrew David Redditch, Worcestershire B96 6TE (GB)	(72) Inventor: Worthington, Andrew David Redditch, Worcestershire B96 6TE (GB) (74) Representative: Lally, William  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 80801 München 80801 München (DE)