High capacity trays
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 14, 1999
Grant Date -
N/A
app pub date -
Jul 15, 1997
filing date -
Feb 20, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The provision of a fractionating column having fractionating trays designed to ensure that downflowing liquid exiting downcomers does not interfere with vapor passing up through perforations in the trays, ensures that weeping of the liquid through the perforations is avoided without need for an increase in vapor pressure.
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Cited Art Landscape
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