(19)

(11)

EP 1 844 176 A1

(12)

(43) Date of publication: 17.10.2007 Bulletin 2007/42 (21) Application number: 05781713.2 (22) Date of filing: 02.09.2005

(51) International Patent Classification (IPC):  C23C 10/12(2006.01) C23C 10/32(2006.01) C23C 12/02(2006.01) (86) International application number: PCT/GB2005/003420 (87) International publication number: WO 2006/024877 (09.03.2006 Gazette 2006/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 03.09.2004 GB 0419609 (71) Applicant: DIFFUSION ALLOYS LIMITED Hatfield, Herts. AL9 5JW (GB)	(72) Inventor: KEMPSTER, Adrian, Diffusion Alloys Limited Hatfield, Herts AL9 5JW (GB) (74) Representative: Gillard, Richard Edward  Elkington and Fife LLP Prospect House 8 Pembroke Road Sevenoaks Kent TN13 1XR Sevenoaks Kent TN13 1XR (GB)