Electret webs with charge-enhancing additives

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United States of America Patent

PATENT NO 9815068
APP PUB NO 20150343455A1
SERIAL NO

14654934

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Abstract

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Electret webs include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a divalent metal-containing substituted-mercaptobenzimidazolate salt. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Fuming B Woodbury, US 39 379
Schultz, Nathan E Lakeland, US 37 85
Sebastian, John M Oakdale, US 36 405

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