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US 5,700,559 AGranted
Durable hydrophilic surface coatings
AssigneeAdvanced Surface Technology, Inc.
InventorsMin-Shyan Sheu, Ih-Houng Loh
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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.
Claims14
A hydrophilic article for use in aqueous environments, comprising
- a porous substrate;
- an ionic polymeric layer on said substrate;
- and
- a disordered polyelectrolyte coating ionically bonded to said polymeric layer;
- wherein said porous substrate has a surface with pores of an average diameter between 0.01 microns and 1 mm, or is made of perforated material.
2 more elements
Dependencies are inferred from the claim text.