(19)

(11)

EP 1 024 908 A1

(12)

(43) Date of publication: 09.08.2000 Bulletin 2000/32 (21) Application number: 98945402.0 (22) Date of filing: 29.09.1998

(51) International Patent Classification (IPC)7: B09C 1/02, B03B 9/00 (86) International application number: PCT/GB9802/934 (87) International publication number: WO 9920/409 (29.04.1999 Gazette 1999/17)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.10.1997 GB 9722128 (71) Applicant: Pronatur Products Limited Liverpool L24 1YA (GB)	(72) Inventors: BROOKES, Ian Buckinghamshire MK3 6BN (GB) MONBIOT, Richard WhitchurchShropshire SY13 2AE (GB) (74) Representative: W.P. Thompson & Co.  Coopers Building,Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)