Material innovation company Coolcore, Portsmouth, N.H., has been issued U.S. Patent No. 9,121,642 for “Method of Cooling an Object with a Fabric.”
The patent covers activation that includes wetting the item, wringing out excess liquid and snapping or waving the fabric to activate the moisture control through the fabric. Specifically, the present invention is for a fabric that becomes cool when activated by liquid and remains cool for an extended period of time thereafter.
Coolcore also owns U.S. Patent No. 8,440,119 for its cooling material innovation. The patent covers the manufacturing of any chemical-free cooling fabric that transfers moisture away from the skin, while regulating the movement and evaporation of that moisture throughout the fabric as described in the patent.