(19)

(11)

EP 1 401 509 A1

(12)

(43) Date of publication: 31.03.2004 Bulletin 2004/14 (21) Application number: 02727047.9 (22) Date of filing: 13.06.2002

(51) International Patent Classification (IPC)7: A61L 9/00, A61L 15/44, A61L 15/46, A01N 25/02, A01N 25/26, A01N 25/34, F24F 3/16, D21H 21/36, D06M 13/165 (86) International application number: PCT/AU2002/000772 (87) International publication number: WO 2002/100448 (19.12.2002 Gazette 2002/51)

(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: 13.06.2001 AU PR564301 (71) Applicants: Cooper, Barrie David Bass Hill, NSW 2197 (AU) Knowles, Harry Kangaroo Valley, NSW 2570 (AU)	(72) Inventors: Cooper, Barrie David Bass Hill, NSW 2197 (AU) Knowles, Harry Kangaroo Valley, NSW 2570 (AU) (74) Representative: Evans, Claire et al Edward Evans BarkerClifford's InnFetter Lane London EC4A 1BZ London EC4A 1BZ (GB)