Melanin polyvinyl alcohol plastic laminates for optical applications

  • US 7,029,758 B2
  • Filed: 09/30/2002
  • Issued: 04/18/2006
  • Est. Priority Date: 10/04/2001
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus for filtering ultraviolet and high energy visible light emitted from natural or artificial sources, comprising a polyvinyl alcohol (PVA) containing a hydrophilic polymer that is non-aggregated and optically clear.

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