(19)

(11)

EP 0 679 279 A1

(12)

(43) Date of publication: 02.11.1995 Bulletin 1995/44 (21) Application number: 94920841.0 (22) Date of filing: 04.01.1994

(51) International Patent Classification (IPC):  G07D 7/ 06( . ) G07D 7/ 00( . ) G06K 7/ 12( . ) G07D 7/ 12( . ) (86) International application number: PCT/GB1994/000006 (87) International publication number: WO 1994/016412 (21.07.1994 Gazette 1994/17)

(84) Designated Contracting States: CH DE DK ES FR GB IE IT LI NL SE (30) Priority: 09.01.1993 GB 19930000333 15.04.1993 GB 19930007838 (71) Applicant: MARS G.B. LIMITED Slough, Berkshire SL1 4JX (GB)	(72) Inventors: BARON, Lydia Bushey Heath, Hertfordshire WD2 1JZ (GB) TENENBAUM, Linda Bushey Heath, Hertfordshire WD2 1HU (GB) (74) Representative: Burke, Steven David, et al  R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)