(19)

(11)

EP 1 414 293 A1

(12)

(43) Date of publication: 06.05.2004 Bulletin 2004/19 (21) Application number: 02717846.6 (22) Date of filing: 18.04.2002

(51) International Patent Classification (IPC)7: A01K 61/00, A01K 63/04, B01D 33/04, B01D 33/333, C02F 1/24 (86) International application number: PCT/AU2002/000481 (87) International publication number: WO 2002/082893 (24.10.2002 Gazette 2002/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 18.04.2001 AU PR447201 (71) Applicant: INSULOK PTY LTD Trigg, Western Australia 6029 (AU)	(72) Inventor: LEACH, Perryman, James Trigg, Western Australia 6000 (AU) (74) Representative: Ede, Eric  Fitzpatricks,4 West Regent Street Glasgow G2 1RS,Scotland Glasgow G2 1RS,Scotland (GB)