(19)

(11)

EP 0 259 340 A1

(12)

(43) Date of publication: 16.03.1988 Bulletin 1988/11 (21) Application number: 86904242.0 (22) Date of filing: 19.06.1986

(51) International Patent Classification (IPC):  A01N 25/ 02( . ) A61K 31/ 425( . ) (86) International application number: PCT/GB1986/000356 (87) International publication number: WO 1986/007525 (31.12.1986 Gazette 1986/28)

(84) Designated Contracting States: AT BE CH DE FR IT LI LU NL SE (30) Priority: 19.06.1985 GB 19850015459 (71) Applicant: ROBERT YOUNG & COMPANY LIMITED Glasgow G3 8JT Scotland (GB)	(72) Inventor: GALBRAITH, Andrew, Rennie Bearsden Glasgow (GB) (74) Representative: March, Gary C.  Herbert J. W. Wildbore 73 Farringdon Road London EC1M 3JB London EC1M 3JB (GB)