(19)

(11)

EP 0 989 965 A1

(12)

(43) Date of publication: 05.04.2000 Bulletin 2000/14 (21) Application number: 98923926.4 (22) Date of filing: 29.05.1998

(51) International Patent Classification (IPC)7: C04B 18/04 // (B09B3/00, A62D3:00, G21F9:34) (86) International application number: PCT/AU9800/408 (87) International publication number: WO 9854/107 (03.12.1998 Gazette 1998/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 29.05.1997 AU PO705597 18.09.1997 AU PO926997 18.09.1997 AU PO927097 22.04.1998 AU PO315898 (71) Applicant: Periclase Pty. Ltd. Reedy Creek, QLD 4228 (AU)	(72) Inventor: RECHICHI, Dino Reedy Creek, QLD 4228 (AU) (74) Representative: Dealtry, Brian et al Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)