(19)

(11)

EP 3 485 053 A1

(12)

(43) Date of publication: 22.05.2019 Bulletin 2019/21 (21) Application number: 17755459.9 (22) Date of filing: 14.08.2017

(51) International Patent Classification (IPC):  C22C 19/05(2006.01) C23C 26/00(2006.01) C23C 28/00(2006.01) (86) International application number: PCT/EP2017/070536 (87) International publication number: WO 2018/046239 (15.03.2018 Gazette 2018/11)

(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 MD (30) Priority: 12.09.2016 IN 201611031021 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: FLORES RENTERIA, Arturo 12161 Berlin (DE) JAIN, Apurv Ranipur Haridwar Uttarakhand 249403 (IN) LAUX, Britta 14059 Berlin (DE) STAMM, Werner 45481 Mülheim an der Ruhr (DE) TAN, Winnie Charlotte, NC 28210 (US)