(19)

(11)

EP 1 497 242 A1

(12)

(43) Date of publication: 19.01.2005 Bulletin 2005/03 (21) Application number: 02779644.0 (22) Date of filing: 23.10.2002

(51) International Patent Classification (IPC)7: C04B 28/26, C04B 28/00 (86) International application number: PCT/GB2002/004825 (87) International publication number: WO 2003/035573 (01.05.2003 Gazette 2003/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 23.10.2001 GB 0125368 (71) Applicant: Cuthbert, Dutiro High Wycombe,Bucks HP10 9ZX (GB)	(72) Inventor: Cuthbert, Dutiro High Wycombe,Bucks HP10 9ZX (GB)