(19)
(11) EP 1 856 750 A2

(12)

(43) Date of publication:
21.11.2007 Bulletin 2007/47

(21) Application number: 06720777.9

(22) Date of filing: 15.02.2006
(51) International Patent Classification (IPC): 
H01M 2/18(2006.01)
H01M 2/08(2006.01)
H01M 2/16(2006.01)
H01M 10/26(2006.01)
(86) International application number:
PCT/US2006/005339
(87) International publication number:
WO 2006/088959 (24.08.2006 Gazette 2006/34)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 15.02.2005 US 58665
15.02.2005 US 58678

(71) Applicant: Rovcal, Inc.
Madison, WI 53711 (US)

(72) Inventors:
  • MORTENSEN, Erik
    Sun Prairie, WI 53590 (US)
  • JIN, Zhihong
    Cottage Grove, WI 53527 (US)
  • VU, Viet, H.
    Verona, WI 53593 (US)
  • BUSHONG, William C.
    Madison, WI 53705 (US)
  • RAMASWAMI, Karthik
    Middleton, WI 53562 (US)
  • KREN, Kevin
    601 Rayovac Drive, Madison, WI 53711 (US)
  • DAVIDSON, Gregory J.
    Oregon, WI 53575 (US)

(74) Representative: Davies, Christopher Robert 
Frank B. Dehn & Co. St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) SEPARATORS FOR USE IN ALKALINE CELLS HAVING HIGH CAPACITY