Film coated with glass barrier layer with metal dopant
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United States of America Patent
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Jan 28, 1992
Grant Date -
N/A
app pub date -
Apr 20, 1990
filing date -
Apr 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A structure comprising a polymeric film substrate and a glassy coating of silicon dioxide heavily doped with at least one metal selected from the group consisting of antimony, aluminum, chromium, cobalt, copper, indium, iron, lead, manganese, tin, titanium, tungsten, zinc, and zirconium, provides improved barrier properties.
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