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Substrate with a photocatalytic coating

  • US 7,309,664 B1
  • Filed: 06/10/1999
  • Issued: 12/18/2007
  • Est. Priority Date: 06/10/1998
  • Status: Expired due to Fees
First Claim
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1. A substrate comprising:

  • a fibrous material; and

    a photocatalytic coating material coating at least a portion of the fibrous material and including a photocatalytic semi-conducting material and an adhesion promoter for promoting adhesion of the photocatalytic semi-conducting material to the fibrous material,wherein the photocatalytic semi-conducting material comprises titanium oxide which is at least partly crystallized in anatase form and the photocatalytic coating material coats fibers in the portion of the fibrous material over a thickness of between 30 and 50 nm, which is comparable to a means size of particles of the at least partly crystallized titanium oxide in anatase form.

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