(19)

(11)

EP 2 171 113 A1

(12)

(43) Date of publication: 07.04.2010 Bulletin 2010/14 (21) Application number: 08772048.8 (22) Date of filing: 26.06.2008

(51) International Patent Classification (IPC):  C22C 38/52(2006.01) C22C 33/04(2006.01) (86) International application number: PCT/US2008/068372 (87) International publication number: WO 2009/003112 (31.12.2008 Gazette 2009/01)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 26.06.2007 US 946244 P (71) Applicant: CRS Holdings, Inc. Wilmington DE 19801 (US)	(72) Inventors: NOVOTNY, Paul, Michael Mohnton, PA 19540-2209 (US) KRIEBLE, Robert, Wayne Reading, PA 19606 (US) MARTIN, William, Joseph Wyomissing, PA 19610 (US) ZOGAS, Thomas, Constantine Sinking Spring, PA 19608 (US) (74) Representative: Gill, Stephen Charles  Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)