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Surface topography for non-toxic bioadhesion control

  • US 7,143,709 B2
  • Filed: 08/12/2005
  • Issued: 12/05/2006
  • Est. Priority Date: 02/17/2004
  • Status: Expired due to Term
First Claim
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1. A coated surface topography for resisting bioadhesion, comprising:

  • at least one coating layer that comprises a polymer, said coating layer having a pattern defined by a plurality of spaced apart features attached to or projected into a base surface, said plurality of features each having at least one microscale dimension and having at least one neighboring feature having a substantially different geometry, wherein an average spacing between adjacent ones of said features is between 0.5 and 5 μ

    m in at least a portion of said coating layer, said coating layer resisting bioadhesion as compared to said base surface.

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