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(11)

EP 1 648 955 A1

(12)

(43) Date of publication: 26.04.2006 Bulletin 2006/17 (21) Application number: 04749315.0 (22) Date of filing: 04.02.2004

(51) International Patent Classification (IPC):  C08J 3/075(1995.01) C08F 283/01(1985.01) A61L 27/16(2000.01) (86) International application number: PCT/US2004/003135 (87) International publication number: WO 2005/017000 (24.02.2005 Gazette 2005/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR (30) Priority: 31.07.2003 US 631491 (71) Applicant: Cambridge Polymer Group Boston, MA 02129-1234 (US)	(72) Inventors: RUBERTI, Jeffrey, W. Lexington, MA 02421 (US) BRAITHWAITE, Gavin, J., C. Cambridge, MA 02139-3026 (US) (74) Representative: Wakerley, Helen Rachael et al Reddie & Grose, 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)