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Treating hydrophobic filters to render them hydrophilic

  • US 4,525,374 A
  • Filed: 02/27/1984
  • Issued: 06/25/1985
  • Est. Priority Date: 02/27/1984
  • Status: Expired due to Fees
First Claim
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1. A method of coating a hydrophilic filter membrane to render said membrane hydrophilic, said method including the steps of coating a polypropylene membrane whose pore size is not larger than two (2) microns with a Triethanolamine Dodecylbenzene Sulfonate (LAS) chemical solution so that said polypropylene membrane is rendered hydrophilic and medically acceptable.

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