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(11)

EP 1 159 345 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 99904475.3 (22) Date of filing: 29.01.1999

(51) International Patent Classification (IPC)7: C08K 7/22 (86) International application number: PCT/US9902/032 (87) International publication number: WO 0044/825 (03.08.2000 Gazette 2000/31)

(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: MICHIGAN STATE UNIVERSITY East Lansing,Michigan 48824 (US)	(72) Inventors: PINNAVAIA, Thomas, J. East Lansing, MI 48823 (US) SHI, Heng-Zhen Zhou KouHenan 466000 (CN) LAN, Tie Palatine, IL 60074 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät  Maximilianstrasse 58 80538 München 80538 München (DE)