Microporous waterproof and moisture vapor permeable structures, processes of manufacture and useful articles thereof
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United States of America Patent
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Nov 19, 1991
Issued Date -
N/A
app pub date -
May 1, 1990
filing date -
Jan 5, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Microporous waterproof and moisture vapor permeable products are described which are formed from a matrix having an internal microstructure which is coated with a hydrophobic material. A process is described including the steps of (1) applying to the surface of the matrix a liquid hydrophobic material, (2) allowing the liquid to penetrate into the microstructure and then (3) drying, vulcanizing or curing the product.
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Cited Art Landscape
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