Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1997-02-10
1999-11-23
Copenheaver, Blaine R.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283193, 428334, B32B 326
Patent
active
059896981
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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The Fisher Catalog showing filter membranes, pp. 879-882, 1995/96 (no month).
Burleigh Malcolm B.
Johnson Brian D.
Mrozinski James S.
Radovanovic Philip D.
3M Innovative Properties Company
Copenheaver Blaine R.
Gover Melanie
Little Douglas B.
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