(19)
(11) EP 1 556 170 A1

(12)

(43) Date of publication:
27.07.2005 Bulletin 2005/30

(21) Application number: 03773171.8

(22) Date of filing: 01.10.2003
(51) International Patent Classification (IPC)7B03D 1/012, B03D 1/08, B03D 1/01
(86) International application number:
PCT/US2003/031621
(87) International publication number:
WO 2004/035218 (29.04.2004 Gazette 2004/18)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 15.10.2002 US 270754
15.10.2002 US 271221

(71) Applicant: CYTEC TECHNOLOGY CORP.
Wilmington, Delaware 19801 (US)

(72) Inventors:
  • ROTHENBERG, Alan, S.
    Wilton, CT 06897 (US)
  • MAGLIOCCO, Lino, G.
    Shelton, CT 06484 (US)

(74) Representative: Bowman, Paul Alan 
Lloyd WiseCommonwealth House,1-19 New Oxford Street
London WC1A 1LW
London WC1A 1LW (GB)

   


(54) PROCESS FOR THE BENEFICIATION OF SULFIDE MINERALS