Improved process for filter aid production in alumina refineries

Details for Australian Patent Application No. 2001272227 (hide)

Owner Worsley Alumina Pty. Ltd.

Inventors Wilson, Darrel James; Rosenberg, Stephen Philip

Agent Griffith Hack

Pub. Number AU-B-2001272227

PCT Pub. Number WO02/11856

Priority PQ 8891 20.07.00 AU

Filing date 20 July 2001

Wipo publication date 18 February 2002

Acceptance publication date 4 March 2004

International Classifications

B01D 037/02 Processes of filtration

C01F 007/16 Compounds of aluminium

C01F 007/06 Compounds of aluminium

Event Publications

4 March 2004 Application Accepted

  Published as AU-B-2001272227

1 July 2004 Standard Patent Sealed

10 September 2009 Amendment Made

  The nature of the amendment is: Amend the patentee(s) name to BHP Billiton Worsley Alumina Pty Ltd 2002

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