Durably hydrophilic, non-leaching coating for hydrophobic substances
OwnerWilliam G. Reeves, Li-fu Cheninventors
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Abstract
The present invention is directed to a durably hydrophilic, non-leaching coating. A carbohydrate-salt mixture is formed by at least partially dissolving a water insoluble carbohydrate in an aqueous salt solution to form a carbohydrate-salt complex. The carbohydrate-salt mixture is applied to a substrate, and the substrate is rinsed with a solvent to form a coating. The present invention is further directed to a substrate coated with the coating of the present invention and absorbent structures comprising the coated substrate.
Claims45
A coated substrate comprising a carbohydrate-salt mixture coated on the substrate, wherein the coating has been regenerated by rinsing with a solvent, wherein the carbohydrate salt mixture comprises a water insoluble carbohydrate at least partially dissolved in an aqueous salt solution to form a carbohydrate salt complex.
Dependencies are inferred from the claim text.