Nanofiber filter facemasks and cabin filters

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United States of America Patent

PATENT NO 8303693
APP PUB NO 20080264259A1
SERIAL NO

11740513

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.

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Patent Owner(s)

  • AVALON NANOFIBER LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leung, Wallace W Hong Kong, HK 1 84

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