Three layer test tube and associated methods
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United States of America Patent
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Jun 11, 2019
Grant Date -
Sep 28, 2017
app pub date -
Dec 14, 2016
filing date -
Mar 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A two layer and/or a three-layer device is disclosed that allows samples therein to remain at a warmer or a colder temperature than would be ordinarily possible without the use of the two or three-layer device. The two-layer device contains an interior layer that comprises the sample, and a middle or intermediate layer that comprises chemical species that undergoes an exothermic or endothermic reaction. The three layer device further has an outer layer that contains an insulating layer. When the three layer device is used for samples, the temperature of the sample can remain at a temperature around 11° C. or less for at least about 5.5 to 6 hours.
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