Battery separator with improved oxidation stability
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United States of America Patent
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Oct 19, 2009
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Apr 12, 2002
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Abandoned
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Abstract
, n stands for 0 or 1, m stands for 0 or a whole number from 10 to 1,400 and x stands for 1 or 2. The ratio of oxygen atoms to carbon atoms in the compound according to the aforementioned formula ranges between 1:1.5 and 1:30 and n and m cannot simultaneously represent zero.
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