(19)
(11) EP 2 553 131 A1

(12)

(43) Date of publication:
06.02.2013 Bulletin 2013/06

(21) Application number: 11763104.4

(22) Date of filing: 30.03.2011
(51) International Patent Classification (IPC): 
C22C 21/08(2006.01)
(86) International application number:
PCT/NO2011/000111
(87) International publication number:
WO 2011/122958 (06.10.2011 Gazette 2011/40)
(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: 30.03.2010 NO 20100474

(71) Applicant: Norsk Hydro ASA
0240 Olso (NO)

(72) Inventors:
  • MARIOARA, Calin, Daniel
    N-7031 Trondheim (NO)
  • ANDERSEN, Sigmund, Jarle
    N-3942 Porsgrunn (NO)
  • GULBRANDSEN-DAHL, Sverre
    N-2830 Raufoss (NO)
  • HOLMESTAD, Jon
    N-7030 Trondheim (NO)
  • HOLMESTAD, Randi
    N-7089 Heimdal (NO)
  • NICOLAISEN, Tor-Erik
    N-2821 Gjøvik (NO)
  • OPHEIM, Inge-Erland
    N-2819 Gjøvik (NO)
  • REISO, Oddvin
    N-6600 Sunndalsøra (NO)
  • RØYSET, Jostein
    N-6600 Sunndalsøra (NO)

(74) Representative: Hofseth, Svein 
Patent and Trademark Department Hydro Aluminium AS
0240 Oslo
0240 Oslo (NO)

   


(54) HIGH TEMPERATURE STABLE ALUMINIUM ALLOY