(19)
(11) EP 1 268 866 A2

(12)

(88) Date of publication A3:
23.05.2002

(43) Date of publication:
02.01.2003 Bulletin 2003/01

(21) Application number: 01924518.2

(22) Date of filing: 30.03.2001
(51) International Patent Classification (IPC)7C22B 9/00, B03C 1/023, G01N 33/20, B03C 1/32, G01N 15/06
(86) International application number:
PCT/US0110/371
(87) International publication number:
WO 0107/5183 (11.10.2001 Gazette 2001/41)
(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: 31.03.2000 WO PCT/US00/08668
21.11.2000 US 700975

(71) Applicant: WORCESTER POLYTECHNIC INSTITUTE
Worcester, MA 01609 (US)

(72) Inventors:
  • LUDWIG, Reinhold
    Paxton, MA 01612 (US)
  • APELIAN, Diran
    West Boylston, MA 01583 (US)
  • MAKAROV, Sergey
    Worcester, MA 01602 (US)

(74) Representative: Greenwood, John David et al
Graham Watt & Co.St. Botolph's House7-9 St. Botolph's Road
SevenoaksKent TN13 3AJ
SevenoaksKent TN13 3AJ (GB)

   


(54) SYSTEM FOR DETECTING INCLUSIONS IN MOLTEN METALS