(19)
(11) EP 0 651 728 A1

(12)

(43) Date of publication:
10.05.1995 Bulletin 1995/19

(21) Application number: 93915547.0

(22) Date of filing: 22.07.1993
(51) International Patent Classification (IPC): 
C01F 7/ 06( . )
(86) International application number:
PCT/AU1993/000369
(87) International publication number:
WO 1994/002416 (03.02.1994 Gazette 1994/04)
(84) Designated Contracting States:
ES IE

(30) Priority: 24.07.1992 AU 1992PL03754

(71) Applicant: COMALCO ALUMINIUM, LTD.
Melbourne Victoria 3000 (AU)

(72) Inventor:
  • CRISP, Anthony, John
    Toowong, QLD 4066 (AU)

(74) Representative: Hallybone, Huw George 
CARPMAELS AND RANSFORD 43 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)

   


(54) PROCESS FOR EXTRACTING ALUMINA FROM BAUXITE