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US 5,169,783 AGranted
Increasing nucleation activity with lichens and fungi
AssigneeNew Mexico Tech Research Foundation
InventorThomas L. Kieft
Life of this patent
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Abstract
The disclosure is directed to increasing ice nucleation activity of liquids and gases by using lichens, fungi, and ice nuclei derived from lichen fungi. The invention is particularly useful for snowmaking, cloud seeding, and other industrial freezing and cooling processes.
Claims12
A method for increasing ice nucleation activity of an aqueous liquid comprising
- adding a suitable member selected from the group consisting of lichens, fungi derived from lichens, ice nuclei derived from lichens, and ice nuclei derived from fungi derived from lichens
- to the aqueous liquid;
- wherein the temperature at which ice nucleation activity occurs is at a temperature above a temperature at which ice nucleation activity occurs for the aqueous liquid without the selected suitable member.
Dependencies are inferred from the claim text.