(19)

(11)

EP 1 268 438 A1

(12)

(43) Date of publication: 02.01.2003 Bulletin 2003/01 (21) Application number: 00978628.6 (22) Date of filing: 14.11.2000

(51) International Patent Classification (IPC)7: C07D 231/56, A61K 31/416, A61P 27/06 (86) International application number: PCT/US0031/247 (87) International publication number: WO 0107/0702 (27.09.2001 Gazette 2001/39)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 17.03.2000 US 190380 P (71) Applicant: Alcon, Inc 6331 Hünenberg (CH)	(72) Inventors: MAY, Jesse, A. Fort Worth, TX 76109 (US) DANTANARAYANA, Anura, P. Fort Worth, TX 76132 (US) FENG, Zixia Fort Worth, TX 76017 (US) (74) Representative: Best, Michael, Dr. et al Lederer & KellerPatentanwältePrinzregentenstrasse 16 80538 München 80538 München (DE)