Recyclable cellulosic packaging material
AssigneePackaging Corporation of America
InventorsSumner A. Barenberg, C. Bruce Bradley, Gladys R. Vargas, Samuel C. Conway, Jr.
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Abstract
A packaging material composed of cellulosic fiber, a softener, water, and, optionally, a water soluble binder. The biodegradable packaging material is prepared by a process of admixing cellulosic fiber, a softener, water and, optionally, a water soluble binder to form a slurry, and admixing a blowing agent with the slurry to form a pulp. The pulp is formed into a shaped material and dried.
Claims9
A biodegradable material comprising cellulosic fiber, softener, and water so as to form a packaging product, provided that the softener is not water.
A biodegradable material comprising cellulosic fiber, glycerin, and water so as to form a packaging product.
A biodegradable material comprising cellulosic fiber, glycerin, water, and a water soluble binder so as to form a packaging product.
Dependencies are inferred from the claim text.