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Hydrophilic article and method for producing same

  • US 6,071,623 A
  • Filed: 07/15/1998
  • Issued: 06/06/2000
  • Est. Priority Date: 02/13/1998
  • Status: Expired due to Fees
First Claim
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1. A hydrophilic article comprising:

  • (a) a substrate;

    (b) a first layer formed on said substrate, said first layer comprising (1) an amorphous silica and (2) at least one first amorphous metal oxide selected from the group consisting of titania and alumina; and

    (c) a second layer formed on said first layer, said second layer comprising (1) a matrix phase constituted of a crystalline titania and at least one second amorphous metal oxide and (2) a dispersed phase constituted of ultrafine particles made of at least one material selected from the group consisting of silica and alumina.

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