Patents Assigned to 3M Innovative Properties Company Minnesota Mining and Manufacturing Co.
  • Laminate preventing transmissions of viral pathogens
    Patent number: 5981038
    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.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: November 9, 1999
    Assignee: 3M Innovative Properties Company Minnesota Mining and Manufacturing Co.
    Inventors: William K. Weimer, Gretchen E. Keenan, Robert J. Kinney, James S. Mrozinski, Philip D. Radovanovic