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(11)

EP 1 613 434 A1

(12)

(43) Date of publication: 11.01.2006 Bulletin 2006/02 (21) Application number: 04719877.5 (22) Date of filing: 12.03.2004

(51) International Patent Classification (IPC):  B03D 1/02(1968.09) B03D 1/06(1968.09) B03D 1/04(1968.09) G01N 33/24(1968.09) (86) International application number: PCT/AU2004/000311 (87) International publication number: WO 2004/080600 (23.09.2004 Gazette 2004/39)

(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 PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 13.03.2003 AU 2003901142 (71) Applicants: TECHNOLOGICAL RESOURCES PTY. LTD. Melbourne, VIC 3000 (AU) University of Manchester Manchester M13 9PL (GB)	(72) Inventors: TRIFFETT, Brett Eltham, Victoria 3083 (AU) CILLIERS, Johannes Jacobus Le Roux Manchester, Lancashire M1 5JF (GB) (74) Representative: Kador & Partner  Corneliusstrasse 15 80469 München 80469 München (DE)