(19)

(11)

EP 0 506 653 A1

(12)

(43) Date of publication: 07.10.1992 Bulletin 1992/41 (21) Application number: 87906193.0 (22) Date of filing: 17.09.1987

(51) International Patent Classification (IPC):  A61K 31/ 195( . ) (86) International application number: PCT/GB1987/000648 (87) International publication number: WO 1988/001865 (24.03.1988 Gazette 1988/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.09.1986 GB 19860022417 (71) Applicant: NATURAL VITALITY LIMITED Essex SS6 7EF (GB)	(72) Inventor: WATSON, Raymond East Sussex BN26 5NX (GB) (74) Representative: Ablewhite, Alan James, et al  MARKS & CLERK, 57/60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)