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(11)

EP 1 305 355 A1

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(43) Date of publication: 02.05.2003 Bulletin 2003/18 (21) Application number: 01957173.6 (22) Date of filing: 17.07.2001

(51) International Patent Classification (IPC)7: C08G 63/48, C08G 63/91, A61K 9/14 (86) International application number: PCT/US0122/556 (87) International publication number: WO 0200/6373 (24.01.2002 Gazette 2002/04)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.07.2000 US 218725 P (71) Applicant: The University of Utah Research Foundation Salt Lake City, UT 84108 (US)	(72) Inventors: LUO, Yi Salt Lake City, UT 84102 (US) PRESTWICH, Glenn, D. Salt Lake City, UT 84108 (US) KIRKER, Kelly, R. Salt Lake City, UT 84102 (US) (74) Representative: Leissler-Gerstl, Gabriele et al Eisenführ, Speiser & Partner,Patentanwälte,Arnulfstrasse 25 80335 München 80335 München (DE)