Laminated multilayer separator for lead-acid batteries
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United States of America Patent
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N/A
Issued Date -
Mar 20, 2003
app pub date -
Sep 20, 2001
filing date -
Sep 20, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a battery separator comprising at least one microporous polymer layer and at least one fibrous layer, wherein said microporous polymer layer comprises micropores with an average pore size of less than 1 .mu.m and a number of holes with a diameter which is greater than the average diameter of the pores of the fibrous layer.
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