(19)
(11) EP 2 229 462 A1

(12)

(43) Date of publication:
22.09.2010 Bulletin 2010/38

(21) Application number: 08867005.4

(22) Date of filing: 13.11.2008
(51) International Patent Classification (IPC): 
C22C 19/05(2006.01)
(86) International application number:
PCT/US2008/083361
(87) International publication number:
WO 2009/085420 (09.07.2009 Gazette 2009/28)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 26.12.2007 US 964679

(71) Applicant: General Electric Company
Schenectady, NY 12345 (US)

(72) Inventors:
  • O'HARA, Kevin, Swayne
    Boxford MA 01921 (US)
  • CARROLL, Laura, Jill
    West Chester OH 45069 (US)

(74) Representative: Szary, Anne Catherine 
GE International Inc. Global Patent Operation - Europe 15 John Adam Street
London WC2N 6LU
London WC2N 6LU (GB)

   


(54) NICKEL BASE SUPERALLOY COMPOSITIONS, SUPERALLOY ARTICLES, AND METHODS FOR STABILIZING SUPERALLOY COMPOSITIONS