Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Preston Keusch1
Richmond R. Cohen1
Date of Patent
August 7, 2007
1Patent Application Number
106251561
Date Filed
July 23, 2003
1Patent Primary Examiner
Patent abstract
A process for fabricating a water-swellable porous plastic plug is provided, the process including the steps of: providing a porous substrate having a plurality of passageways therethrough, disposing into the passageways a hydrophilic polymer, irradiating the substrate to induce cross-linking of the hydrophilic polymer, such that the polymer forms a hydrogel coating on the walls of the passageways.
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