Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2007-07-25
2011-10-18
Alejandro, Raymond (Department: 1727)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S168000, C429S223000, C429S224000, C429S229000, C429S206000
Reexamination Certificate
active
08039146
ABSTRACT:
An electrochemical device, such as an alkaline battery, that is excellent in leakage-resistance and storage characteristics is provided by controlling at least one of the following two conditions with respect to at least the inner side surface of a battery case comprising a nickel plated steel plate. The two conditions are: (1) the intensity ratio of Fe to Ni (IFe/Ni) as determined by electron probe microanalysis; and (2) the ratio of the area with an intensity ratio of Fe to Ni (IFe/Ni) of greater than 1.0 as determined by electron probe microanalysis to the whole area.
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Chinese Office Action, with English translation, issued in Chinese Patent Application No. CN 2007101369827, mailed Jan. 16, 2009.
Chinese Office Action w/ English translation thereof, issued in Chinese Patent Application No. CN 200710136982.7 dated Oct. 9, 2009.
Adachi Mitsuji
Hano Masatoshi
Alejandro Raymond
McDermott Will & Emery LLP
Panasonic Corporation
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