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| Number | Title | Issue Date |
| 6498000 | Photocatalyst composite and process for producing the same A photocatalyst composite is provided which comprise a substrate having particles of a photocatalyst such as titanium oxide, adhered thereon via a less degradative adhesive such as a fluorinated polymer comprising a copolymer of a vinyl ester and/or vinyl... | 12/24/2002 |
| 5948355 | Air-purifying filter and air-purifier for automobile An air-purifying filter includes a carrier base and a TiO2 -Pd composite catalyst supported on the carrier base. CO in air treated by the filter is adsorbed onto the Pd surface and thus decomposed by oxidization to CO2, whereas sulfu... | 09/07/1999 |
