(19)

(11)

EP 1 507 755 A2

(12)

(88) Date of publication A3: 29.12.2004 (43) Date of publication: 23.02.2005 Bulletin 2005/08 (21) Application number: 02792347.3 (22) Date of filing: 09.12.2002

(51) International Patent Classification (IPC)7: C07C 235/00, C07C 229/00, C07C 69/96 (86) International application number: PCT/US2002/039434 (87) International publication number: WO 2003/049699 (19.06.2003 Gazette 2003/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 11.12.2001 KR 2001078244 16.01.2002 US 348452 P 17.05.2002 US 381503 P 03.09.2002 US 407741 P (71) Applicant: Sun Bio, Inc. Walnut Creek, CA 94596 (US)	(72) Inventors: ROSEN, Perry North Caldwell, NJ 07006 (US) NHO, Kwang Walnut Creek, CA 94596 (US) (74) Representative: Wallace, Sheila Jane et al Lloyd WiseCommonwealth House,1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)