(19)

(11)

EP 1 005 441 A2

(12)

(88) Date of publication A3: 25.03.1999 (43) Date of publication: 07.06.2000 Bulletin 2000/23 (21) Application number: 98936374.2 (22) Date of filing: 18.06.1998

(51) International Patent Classification (IPC)7: C04B 16/00 (86) International application number: PCT/EP9803/737 (87) International publication number: WO 9858/886 (30.12.1998 Gazette 1998/52)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 20.06.1997 ZA 9705460 (71) Applicant: Evermine Limited Douglas,Isle of Man (GB)	(72) Inventors: JOUBERT, Kenneth, Alfred Johannesburg 2001 (ZA) VAN VUUREN, Hendrik, Johannes Germiston 1401 (ZA) (74) Representative: Galgut, John  c/o Gouldens,10 Old Bailey London EC4M 7NG London EC4M 7NG (GB)