(19)

(11)

EP 1 687 261 A1

(12)

(43) Date of publication: 09.08.2006 Bulletin 2006/32 (21) Application number: 04818703.3 (22) Date of filing: 12.11.2004

(51) International Patent Classification (IPC):  C07C 255/16(2006.01) C07D 333/24(2006.01) C07C 255/33(2006.01) (86) International application number: PCT/US2004/037771 (87) International publication number: WO 2005/047232 (26.05.2005 Gazette 2005/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 12.11.2003 US 518655 P (71) Applicant: Flexitral, Inc. Chantilly, VA 20151 (US)	(72) Inventor: TURIN, Luca London NW1 7NB (GB) (74) Representative: Crowhurst, Charlotte Waveney  Eric Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)