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US 4,359,511 AGranted
Battery separator material
AssigneeTexon LP
InventorStanley J. Strzempko
Life of this patent
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Abstract
A battery separator material which is folded to form an envelope is heat sealed along at least two opposing edges thereof to form a battery separator. The separator material is comprised of discrete polyolefin pulp fibers in a sufficient amount to heat seal the separator along its edges. The fibers are bound by an organic polymeric binder. A process of forming the battery separator is also disclosed.
Claims18
A battery separator material comprised of:
- discrete polyolefin pulp fibers in a sufficient amount to enable the battery separator material to be heat sealed to itself along its edges;
- said fibers being bound by an organic polymeric binder to form a sheet material.
Dependencies are inferred from the claim text.