(19)

(11)

EP 1 401 624 A2

(12)

(88) Date of publication A3: 27.03.2003 (43) Date of publication: 31.03.2004 Bulletin 2004/14 (21) Application number: 02764622.3 (22) Date of filing: 02.07.2002

(51) International Patent Classification (IPC)7: B29B 9/08 (86) International application number: PCT/EP2002/007358 (87) International publication number: WO 2003/004238 (16.01.2003 Gazette 2003/03)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 02.07.2001 EP 01202536 (71) Applicant: ATOFINA Research 7181 Seneffe (Feluy) (BE)	(72) Inventors: DETOURNAY, Patrick B-1325 Dion-Valmont (BE) VAN SINOY, Alain B-1083 Ganshoren (BE) STEVENS, Peter B-2640 Mortsel (BE) ALBE, Lisa B-1421 Ophain-Bois-Seigneur-Isaac (BE)