Silane coating composition
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United States of America Patent
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Mar 16, 2004
Grant Date -
Nov 20, 2003
app pub date -
May 16, 2002
filing date -
May 16, 2002
priority date (Note) -
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Abstract
An inorganic substrate with two or more coating layers is provided. The first coating layer is attached to the inorganic substrate and includes the polymeric reaction product formed upon hydrolysis of a silane compound having at least two tri(C.sub.1 -C.sub.3)alkoxysilyl groups. The second and subsequent coating layers include at least one hydrophilic polymer and at least one photoactivatable cross-linking agent. The inorganic substrate can be a medical device suitable for insertion into the body of a mammal. The coatings are tenacious and not easily removed from the inorganic substrate by abrasion.
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