Patents Assigned to Kappler Safety Group, Inc.
  • Patent number: 5560974
    Abstract: A breathable non-woven composite fabric having barrier capabilities to biological liquids comprised of at least one non-woven layer bonded to at least one surface of a thermoplastic microporous film, the non-woven composite fabric providing a barrier to passage of biological liquid when the composite fabric is subjected to contact with synthetic blood under the dictates of testing procedure ASTM ES21-92 and ES22-92 while maintaining a moisture of vapor transmission rate of greater than about 450 grams per square meter for 24 hours at about 75.degree. F. and about 65% relative humidity, the non-woven composite fabric having a breaking strength of at least about 14 pounds.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: October 1, 1996
    Assignee: Kappler Safety Group, Inc.
    Inventor: John D. Langley