Column slurry packing compressor
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United States of America Patent
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-
Dec 8, 1992
Grant Date -
N/A
app pub date -
Sep 25, 1990
filing date -
Sep 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid chromatography column that can be rapidly packed without a reservoir column is disclosed. The column includes a double sealed compressor piston with a mixture delivery bore extending through the body of the piston. Resilient sealing means are provided in annular grooves provided in the piston. The piston retains a frit and slurry scraper is mounted to the piston. A method of packing such a column is also disclosed. An outlet end plate including solvent drainage bores is provided. A threaded end cap including radial slots in an inner surface for a threaded column is disclosed, as is an adaptor for joining flanged and threaded columns.
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