Directional freezing
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United States of America Patent
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Oct 16, 2018
Grant Date -
May 14, 2015
app pub date -
Jan 26, 2015
filing date -
Jul 26, 2012
priority date (Note) -
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Abstract
The invention relates to an apparatus and a method of freezing a liquid substance contained in at least one receptacle, comprising the steps of: providing the liquid substance in at least one receptacle, providing a cooling chamber and a cooling device having a cooling surface; setting the temperature of the cooling surface, starting a freezing procedure by placing the receptacle with the liquid substance therein on the cooling surface to form a seed or initial zone of nucleation; and continuing the freezing procedure to completely freeze the substance.
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