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Fine fiber media layer

  • US 8,029,588 B2
  • Filed: 12/01/2010
  • Issued: 10/04/2011
  • Est. Priority Date: 09/05/2000
  • Status: Expired due to Fees
First Claim
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1. A filter media comprising a fine fiber layer and a filtration substrate layer, the fine fiber layer comprising a fiber size comprising a diameter of about 0.01 to 0.5 micron, the fine fiber comprising a polyvinylidene fluoride or comprising a copolymer comprising hexafluoropropylene and vinylidene fluoride, the layer having a thickness no greater than 30 microns and a basis weight of about 0.5 to 150 g-m

  • 2.

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