PHOTOCATALYST FILM, PROCESS FOR PRODUCING PHOTOCATALYST FILM, ARTICLE AND METHOD FOR HYDROPHILIZATION
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United States of America Patent
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Issued Date -
Nov 25, 2010
app pub date -
Oct 16, 2008
filing date -
Oct 16, 2007
priority date (Note) -
Abandoned
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Abstract
A photocatalyst film of which at least one main surface contains photo-semiconductor particles; said main surface being a surface that becomes hydrophilic by irradiation with light, wherein the hydrophilization speed thereof when it is irradiated with light having a half-value width of 15 nm or less after kept in a dark place is less than 2 (l/deg/min/10.sup.5) in an irradiated-light wavelength region of 370 nm or more and is 2 (l/deg/min/10.sup.5) or more at least partly in an irradiated-light wavelength region of 300 to 360 nm.
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