Method to extract material from a running length of fiber
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United States of America Patent
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-
Dec 18, 1990
Issued Date -
N/A
app pub date -
Aug 29, 1988
filing date -
Feb 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of extracting a material from a continuous running length of fiber comprising continuously moving the fiber through a conduit while simultaneously flowing a solvent for the material through the conduit with the conduit having a length and cross sectional area sufficient to facilitate extraction of the desired amount of the material. The flow is countercurrent to the movement of the fiber.
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