(19)

(11)

EP 2 847 358 A1

(12)

(43) Date of publication: 18.03.2015 Bulletin 2015/12 (21) Application number: 13720957.3 (22) Date of filing: 07.05.2013

(51) International Patent Classification (IPC):  C21D 6/00(2006.01) C22C 38/04(2006.01) C22C 38/24(2006.01) C22C 38/02(2006.01) C22C 38/22(2006.01) (86) International application number: PCT/EP2013/059542 (87) International publication number: WO 2013/167628 (14.11.2013 Gazette 2013/46)

(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: 07.05.2012 EP 12166949 (71) Applicant: Valls Besitz GmbH 12205 Berlin (DE)	(72) Inventor: VALLS ANGLÉS, Isaac 12205 Berlin (DE) (74) Representative: Elzaburu S.L.P.  C/ Miguel Angel, 21 28010 Madrid 28010 Madrid (ES)