(19)
(11) EP 0 231 348 A1

(12)

(43) Date of publication:
12.08.1987 Bulletin 1987/33

(21) Application number: 86905031.0

(22) Date of filing: 25.07.1986
(51) International Patent Classification (IPC): 
H01M 4/ 00( . )
H01M 4/ 68( . )
H01M 4/ 18( . )
H01M 4/ 80( . )
(86) International application number:
PCT/US1986/001554
(87) International publication number:
WO 1987/000973 (12.02.1987 Gazette 1987/04)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30) Priority: 30.07.1985 US 19850760673

(71) Applicant: POLYCRYSTAL TECHNOLOGIES CORP.
New York, NY 10017 (US)

(72) Inventors:
  • KOBER, Frederick, P.
    New York, NY 10038 (US)
  • MONTEFUSCO, Oscar, V.
    Stillwater, PA 17878 (US)

(74) Representative: Froud, Clive, et al 
Elkington and Fife Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR
Sevenoaks, Kent TN13 1XR (GB)

   


(54) POROUS ELECTRODES AND METHOD OF MAKING SAME