Device for dehydrating and/or embedding samples
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United States of America Patent
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-
Nov 28, 1995
Grant Date -
N/A
app pub date -
May 31, 1994
filing date -
Sep 8, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Device for dehydrating and/or embedding preferably frozen samples, comprising a Dewar vessel (1) filled with liquid nitrogen (2) and a metallic element (4), anchored to the floor (3), of material of good thermal conductivity, which exhibits at its upper end in the region of attachment of the Dewar neck a cover (5) with a metallic cooling surface (6, 7) which corresponds with the complementarily designed lower contact surfaces of the thermostatically heated (9, 10) substitution (PLT) containers (8) or respectively of the lower part of a freeze-drying chamber in a manner which ensures a good heat transfer between the corresponding surfaces.
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