(19)
(11) EP 0 964 938 A1

(12)

(43) Date of publication:
22.12.1999 Bulletin 1999/51

(21) Application number: 97915883.0

(22) Date of filing: 05.03.1997
(51) International Patent Classification (IPC): 
C22C 21/ 16( . )
C22F 1/ 057( . )
(86) International application number:
PCT/US1997/003613
(87) International publication number:
WO 1998/039493 (11.09.1998 Gazette 1998/36)
(84) Designated Contracting States:
DE FR GB

(71) Applicant: ALUMINUM COMPANY OF AMERICA
Alcoa Center, Pennsylvania 15069-0001 (US)

(72) Inventor:
  • KARABIN, Lynnette, M., Alcoa Technical Center
    Alcoa Center, PA 15069-0001 (US)

(74) Representative: Baillie, Iain Cameron 
Ladas & Parry, Dachauerstrasse 37
80335 München
80335 München (DE)

   


(54) VANADIUM-FREE ALUMINUM ALLOY SUITABLE FOR FORGED AND EXTRUDED AEROSPACE PRODUCTS