Patent 7615269 was granted and assigned to Multisorb Technologies on November, 2009 by the United States Patent and Trademark Office.
A water vapor adsorption and water retaining composition containing particulate calcium chloride and cellulose fiber in a flexible container having a side of spun-bonded polyethylene heat sealed to a side of extrusion coated polyethylene on polyester. The foregoing composition can also contain clay.