Method of forming a hydrophilic coating on a substrate
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United States of America Patent
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Feb 8, 1983
Grant Date -
N/A
app pub date -
May 18, 1981
filing date -
May 18, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of forming a hydrophlic coating on a substrate comprised of applying a hydrophilic copolymer capable of chemically reacting with a coupling agent which will promote adhesion to the substrate. A polyisocyanate coupling agent is applied to the surface from a solvent solution followed by applying the hydrophilic copolymer from solvent solution. In certain instances, the copolymer and isocyanate can be simultaneously applied from a solvent solution. The resulting hydrophilic coating is thrombo resistant, biocompatable and stable.
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