Stretch-thinned breathable films resistant to blood and virus penetration

Publication Date

November 25, 1997

Patent Number

US6002064A

Abstract

The invention discloses a method of preventing transmission of viral pathogens between a source of viral pathogens and a target of said viral pathogens comprising positioning between said source and said target a microporous membrane material comprising (1) a thermoplastic polymer or polytetrafluoroethylene and (2) a water- and oil-repellent fluorochemical compound which provides said membrane with oleophobic, hydrophobic and viral barrier properties.

Stretch-thinned breathable films resistant to blood and virus penetration