Thermoplastic polyurethane anticoagulant alloy coating
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United States of America Patent
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Jul 7, 1987
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app pub date -
Aug 14, 1985
filing date -
Dec 7, 1984
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Abstract
An antithrombogenic thermoplastic polyurethane product and process for preparing the same which comprises a substrate and at least one layer of a polyurethane alloy complex comprising a thermoplastic polyurethane and completely dispersed therein a preformed complex of an antithrombogenic material ionically bonded with a quaternary ammonium compound.
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