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EP 3 237 645 A1

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(43) Date of publication: 01.11.2017 Bulletin 2017/44 (21) Application number: 15818103.2 (22) Date of filing: 26.11.2015

(51) International Patent Classification (IPC):  C22C 9/00(2006.01) C22C 9/06(2006.01) C23C 28/00(2006.01) B32B 15/01(2006.01) C22F 1/08(2006.01) (86) International application number: PCT/SG2015/000142 (87) International publication number: WO 2016/105276 (30.06.2016 Gazette 2016/26)

(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: 22.12.2014 SG 10201408586X (71) Applicant: Heraeus Materials Singapore Pte. Ltd. 569871 Singapore (SG)	(72) Inventors: LIAO, Jin Zhi Singapore 310083 (SG) ZHANG, Xi Singapore 298190 (SG) SARANGAPANI, Murali Singapore 760363 (SG) VINOBAJI, Sureshkumar Singapore 530655 (SG) PHYU PHYU, Theint Ei Singapore 520155 (SG) TOK, Chee Wei Singapore 680770 (SG) (74) Representative: Heraeus IP  Heraeus Holding GmbH Schutzrechte Heraeusstraße 12-14 63450 Hanau 63450 Hanau (DE)