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Patent Searching and Data

Document Type and Number:
Japanese Patent JPH11508195
Kind Code:
A viral barrier composite of a thermoplastic film thermally bonded on at least one side thereof to a breathable thermoplastic web, and method for making the same. The viral barrier composite has viral barrier properties, a moisture vapor transmission rate of at least 700 g/m2/24 hours and a bond strength between the thermoplastic film and breathable thermoplastic web of at least 0.07N/cm. The viral barrier composite is formed by calendering an assembly comprising a thermoplastic film and a breathable thermoplastic web between a smooth roll and a pattern roll. The viral barrier composite may be used for constructing articles of protective apparel.

Meg Shersen, Sarah El.
Rothenburg, Nancy See.
Johnson, Mark Buoy.
Application Number:
Publication Date:
July 21, 1999
Filing Date:
March 11, 1996
Export Citation:
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Minnesota Mining and Manufacturing Company
International Classes:
A41D13/12; A41D27/24; A41D31/00; A61L15/16; A61L15/24; A61L15/52; A61L31/04; A61L31/14; B29C65/08; B32B5/22; B32B7/02; B32B27/12; B32B27/32; B32B38/04; B32B38/06; D04H13/00; (IPC1-7): B32B7/02; A41D13/12; A61L15/16; B32B27/12; B32B27/32
Attorney, Agent or Firm:
Takashi Ishida (3 others)