(19)

(11)

EP 0 946 708 A1

(12)

(43) Date of publication: 06.10.1999 Bulletin 1999/40 (21) Application number: 97947168.0 (22) Date of filing: 03.12.1997

(51) International Patent Classification (IPC):  A01G 33/ 00( . ) C12M 1/ 00( . ) (86) International application number: PCT/GB1997/003331 (87) International publication number: WO 1998/024879 (11.06.1998 Gazette 1998/23)

(84) Designated Contracting States: AT BE DE DK ES FI FR GB GR IE IT NL PT SE (30) Priority: 06.12.1996 GB 19960025400 (71) Applicant: Skill, Stephen Bidworth, Nottinghamshire NG21 OPA (GB)	(72) Inventor: Skill, Stephen Bidworth, Nottinghamshire NG21 OPA (GB) (74) Representative: Shaw, Laurence  5th Floor, Metropolitan House, 1 Hagley Road, Edgbaston Birmingham B16 8TG Birmingham B16 8TG (GB)