(19)
(11) EP 2 561 109 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
24.10.2018 Bulletin 2018/43

(45) Mention of the grant of the patent:
04.07.2018 Bulletin 2018/27

(21) Application number: 11772378.3

(22) Date of filing: 25.02.2011
(51) International Patent Classification (IPC): 
C22C 21/10(2006.01)
C22C 21/14(2006.01)
C22F 1/057(2006.01)
C22F 1/053(2006.01)
C22C 21/16(2006.01)
C22F 1/04(2006.01)
(86) International application number:
PCT/US2011/026237
(87) International publication number:
WO 2011/133248 (27.10.2011 Gazette 2011/43)

(54)

HIGH STRENGTH FORGED ALUMINUM ALLOY PRODUCTS

HOCHFEST GESCHMIEDETE ALUMINIUMLEGIERUNGSPRODUKTE

PRODUITS D'ALLIAGE D'ALUMINIUM FORGÉS À HAUTE RÉSISTANCE


(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: 20.04.2010 US 799244

(43) Date of publication of application:
27.02.2013 Bulletin 2013/09

(60) Divisional application:
18162707.6 / 3354765

(73) Proprietor: Arconic Inc.
Pittsburgh, PA 15212 (US)

(72) Inventors:
  • BUSH, Dustin M.
    Bay Village Ohio 44140 (US)
  • COLVIN, Edward L.
    Newport Virginia 24128 (US)
  • RIOJA, Roberto J.
    Murrysville Pennsylvania 15668 (US)
  • SAWTELL, Ralph R.
    Gibsonia Pennsylvania 15044 (US)

(74) Representative: Lenzing Gerber Stute 
PartG von Patentanwälten m.b.B. Bahnstraße 9
40212 Düsseldorf
40212 Düsseldorf (DE)


(56) References cited: : 
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WO-A1-95/04837
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  • ROMIOS M ET AL: "DESIGN OF MULTISTEP AGING TREATMENTS OF 2099 (C458) AL-LI ALLOY", JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, ASM INTERNATIONAL, MATERIALS PARK, OH, US, vol. 14, no. 5, 1 October 2005 (2005-10-01), pages 641-646, XP001234997, ISSN: 1059-9495, DOI: 10.1361/105994905X64594
  • MCDARMAID ET AL: "Effect of natural aging on the tensile properties of the Al@?Li alloys 8090, 8091 and 2091", MATERIALS SCIENCE ENGINEERING, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 101, 1 May 1988 (1988-05-01), pages 193-200, XP025832868, ISSN: 0025-5416, DOI: 10.1016/0921-5093(88)90065-2 [retrieved on 1988-05-01]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).