(19)

(11)

EP 1 272 320 A2

(12)

(88) Date of publication A3: 15.08.2002 (43) Date of publication: 08.01.2003 Bulletin 2003/02 (21) Application number: 01966761.7 (22) Date of filing: 10.04.2001

(51) International Patent Classification (IPC)7: B29B 7/00 (86) International application number: PCT/NL0100/286 (87) International publication number: WO 0107/6841 (18.10.2001 Gazette 2001/42)

(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: 12.04.2000 NL 1014918 (71) Applicant: DSM Patents & Trademarks 6160 MA Geleen (NL)	(72) Inventors: HANSEN, Octave, Willem, Marie NL-6077 NE Sint Odilienberg (NL) BOYENS, Joseph, Paulus, Hubertus NL-6174 RW Sweikhuizen (NL)