Patent ID: 6916402
Filing Date: 2005-07-12
Classification: D21H,Y10T

Abstract:
1. An article of manufacture comprising: a substrate containing cellulose, at least a portion of the cellulose having been modified to form a first moiety, the first moiety being present at the surface of the cellulose; a chemical additive comprising a softener or a humectant, the chemical additive containing a second moiety that has formed a chemical linkage with the first moiety; wherein the first moiety comprises an aldehyde, an epoxy or an anhydride group and the second moiety comprises an amine, a thiol, an amide, a sulfonamide, or a sulfinic acid group; or the first moiety comprises an amine, a thiol, an amide, a sulfonamide or a sulfinic acid group and the second moiety comprises an aldehyde, a carboxylate, an epoxy, or an anhydride group.