(19)

(11)

EP 1 377 451 A2

(12)

(88) Date of publication A3: 30.10.2003 (43) Date of publication: 07.01.2004 Bulletin 2004/02 (21) Application number: 99943607.4 (22) Date of filing: 26.04.1999

(51) International Patent Classification (IPC)7: B32B 27/38, C08J 3/26 (86) International application number: PCT/US1999/007337 (87) International publication number: WO 2000/064572 (02.11.2000 Gazette 2000/44)

(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: RENSSELAER POLYTECHNIC INSTITUTE Troy, NY 12180 (US)	(72) Inventor: CRIVELLO, James, V. Clifton Park, NY 12065 (US) (74) Representative: Wallace, Sheila Jane et al Lloyd WiseCommonwealth House,1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)