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US 5,807,636 AGranted
Durable hydrophilic surface coatings
AssigneeAdvanced Surface Technology, Inc.
InventorsMin-Shyan Sheu, Ih-Houng Loh
Life of this patent
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Abstract
A hydrophilic article for use in aqueous environments, including a substrate, an ionic polymeric layer on said substrate, and a disordered polyelectrolyte coating ionically bonded to said polymeric layer.
Claims8
A hydrophilic article for use in aqueous environments, comprising
- a particulate substrate;
- an ionic polymeric layer on said substrate;
- and
- a disordered polyelectrolyte coating ionically bonded to said polymeric layer.
1 more element
Dependencies are inferred from the claim text.