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EP 3 030 685 A1

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(43) Date of publication: 15.06.2016 Bulletin 2016/24 (21) Application number: 14752757.6 (22) Date of filing: 07.08.2014

(51) International Patent Classification (IPC):  C22C 21/00(2006.01) F28F 21/08(2006.01) C22C 21/04(2006.01) C22F 1/043(2006.01) C22F 1/04(2006.01) C22C 21/02(2006.01) C22C 21/10(2006.01) C22F 1/053(2006.01) (86) International application number: PCT/US2014/050086 (87) International publication number: WO 2015/021244 (12.02.2015 Gazette 2015/06)

(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: 08.08.2013 US 201361863572 P 08.08.2013 US 201361863568 P (71) Applicants: Novelis, Inc. Atlanta, GA 30326 (US) Denso International America, Inc. Southfield, Michigan 48086-5047 (US)

(72) Inventors: HOWELLS, Andrew D. Kingston, Ontario K7P 2N1 (CA) GATENBY, Kevin Michael Johns Creek, Georgia 30022 (US) AHMED, Hany Atlanta, Georgia 30326 (US) KADALI, Jyothi Atlanta, Georgia 30339 (US) ALUIA, Derek William Novi, Michigan 48374 (US) BACIAK III, John Michael Royal Oak, Michigan 48067 (US) (74) Representative: Dey, Michael  Weickmann & Weickmann Patentanwälte PartmbB Postfach 860 820 81635 München 81635 München (DE)