(19)

(11)

EP 1 229 943 A1

(12)

(43) Date of publication: 14.08.2002 Bulletin 2002/33 (21) Application number: 00976181.8 (22) Date of filing: 17.11.2000

(51) International Patent Classification (IPC)7: A61L 15/58, C08C 1/04, C09J 107/02 (86) International application number: PCT/GB0004/396 (87) International publication number: WO 0136/011 (25.05.2001 Gazette 2001/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.11.1999 GB 9927195 (71) Applicant: National Starch and Chemical InvestmentHolding Corporation Wilmington, Delaware 19809 (US)	(72) Inventor: BONNET, Florence Slough, Berkshire SL1 2GF (GB) (74) Representative: Spencer, Michael David, Dr. et al Bromhead & Co.,37 Great James Street London WC1N 3HB London WC1N 3HB (GB)