(19)

(11)

EP 0 979 161 A1

(12)

(43) Date of publication: 16.02.2000 Bulletin 2000/07 (21) Application number: 98918920.4 (22) Date of filing: 01.05.1998

(51) International Patent Classification (IPC)7: B29B 7/56 // (B29K9/00, 23:00) (86) International application number: PCT/US9808/923 (87) International publication number: WO 9850/210 (12.11.1998 Gazette 1998/45)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI MC NL PT SE (30) Priority: 02.05.1997 US 850166 (71) Applicant: UNION CARBIDE CHEMICALS AND PLASTICS COMPANY INC.(a New York corporation) DanburyConnecticut 06817-0001 (US)	(72) Inventor: ITALIAANDER, Erich, Thomas NL-4645 Ja (NL) (74) Representative: Hayes, Adrian Chetwynd et al Boult Wade Tennant,27 Furnival Street London EC4A 1PQ London EC4A 1PQ (GB)