(19)

(11)

EP 1 534 211 A1

(12)

(43) Date of publication: 01.06.2005 Bulletin 2005/22 (21) Application number: 02768631.0 (22) Date of filing: 21.08.2002

(51) International Patent Classification (IPC)7: A61K 6/00, A61K 6/083 (86) International application number: PCT/US2002/026560 (87) International publication number: WO 2004/017928 (04.03.2004 Gazette 2004/10)

(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 SK TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: Bisco, Inc. Schaumburg, IL 60193 (US)	(72) Inventors: SUH, Byoung In Oakbrook, IL 60523 (US) FENG, Li Naperville, IL 60565 (US) (74) Representative: Dr. Weitzel & Partner  Friedenstrasse 10 89522 Heidenheim 89522 Heidenheim (DE)