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(11)

EP 2 929 062 A1

(12)

(43) Date of publication: 14.10.2015 Bulletin 2015/42 (21) Application number: 13814314.4 (22) Date of filing: 06.12.2013

(51) International Patent Classification (IPC):  C22C 38/00(2006.01) C22C 38/44(2006.01) C22C 38/50(2006.01) C22C 38/54(2006.01) C21D 6/02(2006.01) C21D 9/00(2006.01) C22C 38/06(2006.01) C22C 38/48(2006.01) C22C 38/52(2006.01) C21D 6/04(2006.01) C21D 6/00(2006.01) (86) International application number: PCT/US2013/073542 (87) International publication number: WO 2014/089418 (12.06.2014 Gazette 2014/24)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 06.12.2012 US 201213706800 (71) Applicant: CRS Holdings, Inc. Wilmington, DE 19801 (US)	(72) Inventors: WERT, David E. Wyomissing, PA 19610 (US) SCHMIDT, Michael,L. Sinking Spring, PA 19608 (US) (74) Representative: Gill, Stephen Charles  Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE City Tower 40 Basinghall Street London EC2V 5DE (GB)