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EP 1 748 971 A1

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(43) Date of publication: 07.02.2007 Bulletin 2007/06 (21) Application number: 04809412.2 (22) Date of filing: 20.05.2004

(51) International Patent Classification (IPC):  C06B 33/00(2006.01) C06B 33/06(2006.01) F42B 3/113(2006.01) F42B 3/195(2006.01) C06B 33/02(2006.01) C06C 9/00(2006.01) F42B 3/12(2006.01) F42B 3/198(2006.01) (86) International application number: PCT/US2004/016248 (87) International publication number: WO 2005/118510 (15.12.2005 Gazette 2005/50)

(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) LEI, Mingzu Mountain View, CA 94043 (US) PETTIT, Hilary, N. Newark, CA 94560 (US) SOLAS, Dennis, W. San Francisco, CA 94127 (US) SONG, Soonho Palo Alto, CA 94306 (US) TOM, Curtis San Mateo, CA 94402 (US) (74) Representative: Clegg, Richard Ian et al Mewburn Ellis LLP York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)