(19)

(11)

EP 0 892 600 A1

(12)

(43) Date of publication: 27.01.1999 Bulletin 1999/04 (21) Application number: 97916530.0 (22) Date of filing: 10.04.1997

(51) International Patent Classification (IPC):  A01N 1/ 02( . ) (86) International application number: PCT/GB1997/000993 (87) International publication number: WO 1997/038578 (23.10.1997 Gazette 1997/45)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.04.1996 GB 19960007636 (71) Applicant: Inhale Therapeutic Systems San Carlos, California 94070 (US)	(72) Inventors: FRANKS, Felix Cambridge CB3 9LX (GB) AUFFRET, Anthony, David Milton, Cambridge CB4 6DT (GB) ALDOUS, Barry, John Cambridge CB4 2RB (GB) (74) Representative: Ford, Michael Frederick, et al  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)