Polyurethane-biopolymer composite
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United States of America Patent
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Nov 10, 1998
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app pub date -
Jun 7, 1995
filing date -
Jun 14, 1990
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Abstract
A method is provided for preparing a drug delivery material and device comprising cross-linking a biological polymer with a cross-linking agent and loading the cross-linked biopolymer with a bioactive agent. Preferred embodiments are disclosed wherein the drug delivery material is used in a catheter securing, drug delivery device, in a wound dressing, and in a wound dressing for percutaneous catheters.
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