(19)

(11)

EP 1 744 769 A1

(12)

(43) Date of publication: 24.01.2007 Bulletin 2007/04 (21) Application number: 99967682.8 (22) Date of filing: 28.12.1999

(51) International Patent Classification (IPC):  A61K 33/18(2006.01) (86) International application number: PCT/US1999/031056 (87) International publication number: WO 2001/047534 (05.07.2001 Gazette 2001/27)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Symbollon Corporation Sudbury, MA 01776 (US)	(72) Inventor: KESSLER, Jack Southborough, MA 01772 (US) (74) Representative: Wagner & Geyer  Partnerschaft Patent- und Rechtsanwälte Gewürzmühlstrasse 5 80538 München 80538 München (DE)