Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2004-08-27
2008-11-25
Dove, Tracy (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S199000, C429S203000, C429S204000, C429S205000, C429S207000, C429S218100
Reexamination Certificate
active
07455936
ABSTRACT:
An electric cell comprising a positive electrode, a negative electrode containing aluminum or aluminum alloy, and an electrolyte arranged between the positive electrode and the negative electrode, wherein the electrolyte includes: at least one ion selected from a group of a sulfate ion (SO42−) and a nitrate ion (NO3−), the concentration of the ion being in the range of 0.2 to 16 M/L; and an additive selected from a group of an organic acid, a salt of the organic acid, a hydrate of the organic acid, an ester of the organic acid, an ion of the organic acid, and derivatives thereof.
REFERENCES:
patent: 2554447 (1951-05-01), Sargent
patent: 2638489 (1953-05-01), Ruben
patent: 2838591 (1958-06-01), Stokes
patent: 4882244 (1989-11-01), Donahue et al.
patent: 6589692 (2003-07-01), Takami
patent: 2000-3713 (2000-01-01), None
Ishii Haruchika
Kasori Mitsuo
Morita Tomokazu
Takami Norio
Dove Tracy
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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