(19)

(11)

EP 0 644 789 A1

(12)

(43) Date of publication: 29.03.1995 Bulletin 1995/13 (21) Application number: 93915232.0 (22) Date of filing: 08.06.1993

(51) International Patent Classification (IPC):  A62D 3/ 32( . ) C10J 3/ 57( . ) C01B 3/ 22( . ) A62D 101/ 20( . ) (86) International application number: PCT/US1993/005398 (87) International publication number: WO 1993/025277 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.06.1992 US 19920895358 (71) Applicant: MOLTEN METAL TECHNOLOGY, INC. Waltham Massachusetts 02154 (US)	(72) Inventors: NAGEL, Christopher, J. Wayland, MA 01778 (US) SPARKS, Kevin, A. Scituate, MA 02066 (US) McGEEVER, Casey, E. Hanover, MA 02339 (US) (74) Representative: Greenwood, John David  Graham Watt & Co. Riverhead Sevenoaks Kent TN13 2BN Sevenoaks Kent TN13 2BN (GB)