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(11)

EP 1 089 635 A1

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(43) Date of publication: 11.04.2001 Bulletin 2001/15 (21) Application number: 99930456.1 (22) Date of filing: 22.06.1999

(51) International Patent Classification (IPC)7: A23K 1/17, A23K 1/18 (86) International application number: PCT/US9913/894 (87) International publication number: WO 9966/804 (29.12.1999 Gazette 1999/52)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.06.1998 US 90303 P (71) Applicant: UNIVERSITY OF MARYLAND College Park, Maryland 20742 (US)	(72) Inventor: TETER, Beverly, B. College Park, MD 20740 (US) (74) Representative: Weiss, Wolfgang, Dipl.-Chem. Dr. et al Weickmann & WeickmannPatentanwältePostfach 86 08 20 81635 München 81635 München (DE)