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(11)

EP 1 778 321 A1

(12)

(43) Date of publication: 02.05.2007 Bulletin 2007/18 (21) Application number: 04781211.0 (22) Date of filing: 12.08.2004

(51) International Patent Classification (IPC):  A61M 11/04(2006.01) A24F 47/00(2006.01) A61M 15/06(2006.01) (86) International application number: PCT/US2004/026490 (87) International publication number: WO 2006/022715 (02.03.2006 Gazette 2006/09)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (71) Applicant: Alexza Pharmaceuticals, Inc. Palo Alto, CA 94303 (US)	(72) Inventors: HALE, Ron, L. Woodside, CA 94062 (US) LLOYD, Peter, M. Walnut Creek, CA 94597 (US) (74) Representative: Clegg, Richard Ian et al Mewburn Ellis LLP York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)