(19)

(11)

EP 2 663 664 A1

(12)

(43) Date of publication: 20.11.2013 Bulletin 2013/47 (21) Application number: 12700396.0 (22) Date of filing: 13.01.2012

(51) International Patent Classification (IPC):  C22C 38/12(2006.01) C22C 38/24(2006.01) C21D 6/00(2006.01) C22C 38/22(2006.01) C22C 38/44(2006.01) (86) International application number: PCT/EP2012/050531 (87) International publication number: WO 2012/095532 (19.07.2012 Gazette 2012/29)

(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 (30) Priority: 13.01.2011 EP 11382004 (71) Applicant: Rovalma, S.A. 08228 Terrassa (ES)	(72) Inventor: VALLS ANGLÉS, Isaac E-08228 Terrassa (Barcelona) (ES) (74) Representative: Elzaburu Marquez, Alberto et al ELZABURU S.L.P. C/ Miguel Angel, 21, 2º 28010 Madrid 28010 Madrid (ES)