Method and apparatus for flow control
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United States of America Patent
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-
Sep 5, 1995
Grant Date -
N/A
app pub date -
Mar 1, 1994
filing date -
Mar 1, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Sizing materials are applied to porous substrates to retain fluids in the substrate for a discrete period of time. After that time period, the fluid is substantially completely released from the porous substrate. Sizing materials include alkyl ketene dimers, fluorocarbon resins, and fatty acid chlorides.
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