C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
62/1, 31/34
C09K 5/00 (2006.01) C09K 5/16 (2006.01) F25D 5/00 (2006.01)
Patent
CA 1338485
One version of the invention provides a method for cooling and maintaining an object at a substantially constant temperature. The method includes adding a salt that dissolves endothermically in water to a mixture containing at least water, a surfactant and an emulsified thermal buffer. The "salt : water : thermal buffer" ratio is such that the reaction provides sufficient endotherm to cool the system to the freezing point of the thermal buffer and effect at least a partial phase change of the thermal buffer. Another version of the invention provides a device for effecting the method. The device has a reaction compartment consisting of two portions separated by a frangible barrier, one portion containing the emulsified thermal buffer in water and the other portion the salt that dissolves endothermically into solution. One specific version of the device is a container for transporting an amputated extremity such as a severed finger to another location for replantation.
602082
Burns Charles Michael
Habicher Berthold Heinrich
Kirk Kenneth
Remick Cassius Denzil
Borden Ladner Gervais Llp
Burns Charles Michael
Habicher Berthold Heinrich
Kirk Kenneth
Remick Cassius Denzil
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