US Patent 7214444 Melt blown battery separator

Patent 7214444 was granted and assigned to Daramic Llc on May, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

Jerry Zucker0

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Patent abstract

Battery separators made of a wettable, uniform mat of melt blown fibers. The melt blown fibers are thermally bonded to one another. These fibers are made of a thermoplastic material. The fibers have a diameter in the range of 0.1 to 13 microns (μ) and lengths greater than 12 millimeters (mm). The mat has a basis weight ranging from 6 to 160 grams per square meter (g/m2), a thickness of less than 75 microns (μ), and an average pore size of 0.3 to 50 microns (μ).

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https://pdfpiw.uspto.gov/.piw?Docid=072144440

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