(19)
(11) EP 1 140 397 A1

(12)

(43) Date of publication:
10.10.2001 Bulletin 2001/41

(21) Application number: 99954333.3

(22) Date of filing: 12.10.1999
(51) International Patent Classification (IPC)7: B22F 9/24, B22F 1/00, C22C 1/04
(86) International application number:
PCT/IT9900/321
(87) International publication number:
WO 0035/616 (22.06.2000 Gazette 2000/25)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 16.12.1998 IT RM980776

(71) Applicant: Celsia S.P.A.
28877 Anzola D'Ossola (IT)

(72) Inventors:
  • GUSMANO, Gualtiero,Unv. di Roma "Tor Vergata"
    00133 Roma (IT)
  • BIANCO, Alessandra,Unv. di Roma "Tor Vergata"
    00133 Roma (IT)
  • POLINI, Riccardo,Unv. di Roma "Tor Vergata"
    00133 Roma (IT)

(74) Representative: Banchetti, Marina et al
c/o Ing. Barzanò & Zanardo Roma S.p.A.Via Piemonte, 26
00187 Roma
00187 Roma (IT)

   


(54) PROCESS FOR THE PRODUCTION OF TUNGSTEN-COPPER COMPOSITE SINTERABLE POWDERS