Coated porous materials
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 26, 2002
Issued Date -
N/A
app pub date -
Nov 30, 2000
filing date -
Feb 10, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Coated porous materials that exhibit air permeability and repellency to liquids having a surface tension at least equal to or greater than 20 dynes/cm which are suitable for making ileostomy vent filters, transdermal drug substrates, agricultural and medical apparel, as well as paint and chemical protective garments. The coating for the porous material is applied as a curable composition containing fluorocarbon urethane precursors which are cross-linked in situ.
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