(19)

(11)

EP 0 892 806 A1

(12)

(43) Date of publication: 27.01.1999 Bulletin 1999/04 (21) Application number: 97916556.0 (22) Date of filing: 14.04.1997

(51) International Patent Classification (IPC):  A23K 1/ 16( . ) A61K 9/ 127( . ) A23K 1/ 18( . ) C07F 9/ 38( . ) (86) International application number: PCT/GB1997/001020 (87) International publication number: WO 1997/039004 (23.10.1997 Gazette 1997/45)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GR IE IT LI NL PT SE (30) Priority: 12.04.1996 GB 19960007583 23.08.1996 GB 19960017729 (71) Applicant: LOVESGROVE RESEARCH LIMITED Aberystwyth, Dyfed SY23 3AQ, Wales (GB)	(72) Inventor: GARNETT, David, John Goginan, Aberystwyth SY23 3NY (GB) (74) Representative: Lyons, Andrew John, et al  ROYSTONS, Tower Building, Water Street Liverpool L3 1BA, Merseyside Liverpool L3 1BA, Merseyside (GB)