(19)

(11)

EP 3 215 649 A1

(12)

(43) Date of publication: 13.09.2017 Bulletin 2017/37 (21) Application number: 15856478.1 (22) Date of filing: 23.10.2015

(51) International Patent Classification (IPC):  C22C 38/00(2006.01) C22C 38/44(2006.01) C22C 38/52(2006.01) C22C 38/60(2006.01) (86) International application number: PCT/US2015/057029 (87) International publication number: WO 2016/073218 (12.05.2016 Gazette 2016/19)

(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 Designated Validation States: MA (30) Priority: 04.11.2014 US 201462074700 P (71) Applicant: Dresser Rand Company Olean, NY 14760 (US)	(72) Inventors: MOHR, Byron, L. Olean, NY 14760 (US) NOVE, Steven Houston, TX 77042 (US) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Behnisch Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München 80801 München (DE)