Solid phase extraction membrane
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United States of America Patent
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Nov 5, 2002
Issued Date -
N/A
app pub date -
Mar 15, 1999
filing date -
Mar 22, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a relatively small amount while the particles are present in a relatively large amount. The sheet material is sufficiently strong and flexible so as to be pleatable so that, for example, it can be used in a cartridge device.
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