(19)
(11) EP 1 558 787 A1

(12)

(43) Date of publication:
03.08.2005 Bulletin 2005/31

(21) Application number: 03749550.4

(22) Date of filing: 10.09.2003
(51) International Patent Classification (IPC)7C23F 11/14, B22D 11/124
(86) International application number:
PCT/US2003/028266
(87) International publication number:
WO 2004/042115 (21.05.2004 Gazette 2004/21)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 30.10.2002 US 283457

(71) Applicant: GE Betz, Inc.
Trevose, PA 19053-6783 (US)

(72) Inventors:
  • KLATSKIN, Stuart, D.
    Burlington, Ontario L7M 2T3 (CA)
  • WEEDEN, Steven
    Mississauga, Ontario L5E 1V6 (CA)
  • COLAROSSI, Dino
    Burlington, Ontario L7M 4J5 (CA)
  • AUSTIN, Chris
    Fort McMurray, Alberto T9K 2K2 (CA)

(74) Representative: Szary, Anne C. 
London Patent OperationGeneral Electric International, Inc.15 John Adam Street
London WC2N 6LU
London WC2N 6LU (GB)

   


(54) METHODS FOR INHIBITING INTERGRANULAR CORROSION OF METAL SURFACES