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Multi-functional material with photocatalytic functions and method of manufacturing same

  • US 6,268,050 B1
  • Filed: 10/07/1998
  • Issued: 07/31/2001
  • Est. Priority Date: 12/10/1993
  • Status: Expired due to Term
First Claim
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1. A multi-functional material with a photocatalytic function, comprising:

  • a base;

    a photocatalytic layer having a photocatalytic function and disposed on a surface of said base, said photocatalytic layer including at least a surface layer exposed outwardly, said surface layer being composed of fine photocatalytic particles joined together with interstices defined therebetween at a predetermined porosity;

    particles which are smaller that said interstices filled in said interstices;

    said particles filled in the interstices defined between said photocatalytic particles have a photocatalytic activity; and

    said smaller metal particles are metal particles treated to have a colorless or white metal salt on exposed surfaces thereof.

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