Durably hydrophilic, non-leaching coating for hydrophobic substances
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United States of America Patent
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Issued Date -
Jul 3, 2003
app pub date -
Dec 31, 2001
filing date -
Dec 31, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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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.
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