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Cell corrosion reduction
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Patent number 4,840,644
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Issue date Jun 20, 1989
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Duracell Inc.
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Purush Chalilpoyil
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H01 - BASIC ELECTRIC ELEMENTS
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Cell corrosion reduction
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Patent number 4,777,100
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Issue date Oct 11, 1988
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Duracell Inc.
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Purush Chalilpoyil
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H01 - BASIC ELECTRIC ELEMENTS
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Cell corrosion reduction
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Patent number 4,585,716
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Issue date Apr 29, 1986
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Duracell Inc.
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Purush Chalilpoyil
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H01 - BASIC ELECTRIC ELEMENTS
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Cell anode
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Patent number 4,579,791
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Issue date Apr 1, 1986
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Duracell Inc.
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Chih-Chung Wang
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C30 - CRYSTAL GROWTH
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