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US 7,415,832 B2Granted
Method of freezing with brine
AssigneeWinterlab Limited
InventorsBarnet L. Liberman, Peter H. Glidden, Sr., Kevin C. Vandervoort, Robert J. Peacock, II
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Abstract
Improved brine solutions and uses thereof for uncontaminatedly and/or efficiently freezing items such as foods, and biological samples. In accordance with one embodiment, a brine solution containing a sufficient amount of dye in conferring the solution a distinctive color is used in the freezing process. In accordance with another embodiment, a brine solution containing deionized water is used for improving the freezing efficiency and/or freezing capacity.
Claims14
A method of freezing an item sealed in a package comprising:
- freezing the item by causing the item to contact a pre-cooled brine having a predetermined color;
- wherein the package exhibits a clarity enabling observance of the color of the item from outside of the package;
- and wherein the predetermined color of said brine is distinguishable from the color of the item;
- rinsing the outer surface of the package containing the item and
- determining whether said brine enters into the package by evaluating the color of the item through the package.
2 more elements
Dependencies are inferred from the claim text.