Ultraviolet absorber
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United States of America Patent
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Aug 28, 2012
Grant Date -
Sep 23, 2010
app pub date -
Apr 2, 2008
filing date -
Sep 27, 2007
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Abstract
There is provided an ultraviolet absorber having a strong absorptive capacity in the UVA range and an absorptive capacity in the UVB range to have an ultraviolet inhibitory effect in a wide range of wavelength, increasing in an ultraviolet absorptive capacity over the course of ultraviolet irradiation time in both the UVA and the UVB ranges and having an excellent solubility. An ultraviolet absorber comprising, as an active ingredient, a compound of General Formula I:
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