(19)
(11) EP 0 931 182 A1

(12)

(43) Date of publication:
28.07.1999 Bulletin 1999/30

(21) Application number: 97942654.0

(22) Date of filing: 23.09.1997
(51) International Patent Classification (IPC): 
B22F 3/ 23( . )
C25C 3/ 06( . )
C25C 7/ 02( . )
C22C 1/ 04( . )
C25C 3/ 12( . )
(86) International application number:
PCT/US1997/016865
(87) International publication number:
WO 1998/012363 (26.03.1998 Gazette 1998/12)
(84) Designated Contracting States:
DE ES FR GB IT NL

(30) Priority: 23.09.1996 WO 1996US15176

(71) Applicant: MOLTECH Invent S.A.
2320 Luxembourg (LU)

(72) Inventors:
  • SEKHAR, Jainagesh, A.
    Cincinnati, OH 45208 (US)
  • DE NORA, Vittorio
    Nassau (BS)
  • LIU, James, Jenq
    Cincinnati, OH 45220 (US)

(74) Representative: Cronin, Brian Harold John, et al 
c/o MOLTECH S.A. 9, Route de Troinex
1227 Carouge/GE
1227 Carouge/GE (CH)

   


(54) ULTRASTABLE ANODES FOR ALUMINUM PRODUCTION CELLS