(19)
(11) EP 0 400 057 A1

(12)

(43) Date of publication:
05.12.1990 Bulletin 1990/49

(21) Application number: 89902671.0

(22) Date of filing: 25.01.1989
(51) International Patent Classification (IPC): 
C01G 3/ 00( . )
C25B 1/ 00( . )
C25B 11/ 04( . )
C25D 11/ 34( . )
C01G 1/ 00( . )
C25B 1/ 18( . )
C25D 9/ 08( . )
H01L 39/ 24( . )
(86) International application number:
PCT/US1989/000308
(87) International publication number:
WO 1989/007161 (10.08.1989 Gazette 1989/18)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 28.01.1988 US 19880149621

(71) Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Cambridge, MA 02139 (US)

(72) Inventors:
  • LATANISION, Ronald, M.
    Winchester, MA 01890 (US)
  • SEARSON, Peter, C.
    Arlington, MA 02174 (US)
  • NAGARKAR, Pradnya, V.
    Cambridge, MA 02139 (US)
  • MOFFAT, Thomas, P.
    Arlington, MA 02174 (US)

(74) Representative: Deans, Michael John Percy, et al 
Lloyd Wise, Tregear & CO. Norman House 105-109 Strand
London WC2R OAE
London WC2R OAE (GB)

   


(54) PREPARATION OF SUPERCONDUCTING OXIDES BY ELECTROCHEMICAL OXIDATION: ANODIC SUPERCONDUCTORS