Dispenser powered by cross-linked hydrophilic polymer grafted to hydrophilic polymer
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United States of America Patent
Stats
-
Jan 11, 1983
Grant Date -
N/A
app pub date -
Dec 22, 1980
filing date -
Dec 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dispenser is disclosed comprising a housing formed of a laminate of a cross-linked hydrophilic polymer layer grafted to a noncross-linked hydrophilic layer. The housing surrounds a container made of an elastomeric material and the container has an outlet through the housing to the exterior of the dispenser.
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Cited Art Landscape
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