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EP 2 097 069 A1

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(43) Date of publication: 09.09.2009 Bulletin 2009/37 (21) Application number: 06816745.1 (22) Date of filing: 10.10.2006

(51) International Patent Classification (IPC):  A61K 9/20(2006.01) A61P 25/04(2006.01) A61K 31/485(2006.01) (86) International application number: PCT/US2006/039767 (87) International publication number: WO 2008/045046 (17.04.2008 Gazette 2008/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Penwest Pharmaceuticals Co. Patterson, NY 12563 (US)

(72) Inventors: BAICHWAL, Anand R. Wappingers Falls, NY 12590 (US) FITZMAURICE, Kevin Middlebury, CT 06762 (US) LABUDZINSKI, Steve Poughkeepsie, NY 12601 (US) HOWARD-SPARKS, Michelle Avondale, PA (US) HEIN, William Hasbrouck, New Jersey 02604 (US) RYCHTMAN, Allen West Chester, PA 19382 (US) (74) Representative: Chapman, Paul William et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)