(19)

(11)

EP 1 941 070 A2

(12)

(88) Date of publication A3: 29.05.2008 (43) Date of publication: 09.07.2008 Bulletin 2008/28 (21) Application number: 06851605.3 (22) Date of filing: 07.04.2006

(51) International Patent Classification (IPC):  C22C 38/44(2006.01) C22C 38/58(2006.01) C22C 38/48(2006.01) (86) International application number: PCT/US2006/013175 (87) International publication number: WO 2008/041961 (10.04.2008 Gazette 2008/15)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 03.06.2005 US 687400 P 09.11.2005 US 270279 (71) Applicant: ATI Properties, Inc. Albany, OR 97321 (US)	(72) Inventors: RAKOWSKI, James, M. Pittsburgh, PA 15212 (US) STINNER, Charles, P. Wexford, PA 15090 (US) (74) Representative: Powell, Timothy John  Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)