(19)

(11)

EP 0 190 278 A1

(12)

(43) Date of publication: 13.08.1986 Bulletin 1986/33 (21) Application number: 85904014.0 (22) Date of filing: 16.08.1985

(51) International Patent Classification (IPC):  C07H 17/ 08( . ) (86) International application number: PCT/GB1985/000366 (87) International publication number: WO 1986/001513 (13.03.1986 Gazette 1986/06)

(84) Designated Contracting States: BE CH DE FR GB IT LI NL (30) Priority: 23.08.1984 GB 19840021429 (71) Applicant: BEECHAM GROUP PLC Brentford Middlesex TW8 9BD (GB)	(72) Inventor: HUNT, Eric Brockham, Betchworth Surrey RH3 7EN (GB)