(19)

(11)

EP 2 300 627 A1

(12)

(43) Date of publication: 30.03.2011 Bulletin 2011/13 (21) Application number: 09795149.5 (22) Date of filing: 09.07.2009

(51) International Patent Classification (IPC):  C22C 9/02(2006.01) C22C 9/04(2006.01) (86) International application number: PCT/US2009/049989 (87) International publication number: WO 2010/006089 (14.01.2010 Gazette 2010/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 09.07.2008 US 170029 (71) Applicant: Brush Wellman Inc. Cleveland, Ohio 44110 (US)	(72) Inventors: WETZEL, John, F. Hamburg PA 19526 (US) HARKNESS, John, C. Lakewood OH 44107 (US) (74) Representative: Beattie, Alex Thomas Stewart  Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)