Pigment-dispersion photo-sensitive coating solution
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United States of America Patent
Stats
-
Feb 4, 2003
Grant Date -
Jun 21, 2001
app pub date -
Dec 13, 2000
filing date -
Dec 15, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pigment-dispersion photo-sensitive coating solution comprising a binder resin, an organic-solvent and a main pigment dispersed in the solvent, wherein the combined area of peaks detected at a relative retention ratio in the range of 0.68 to 0.72 based on a retention time of dibutyl phthalate and peaks detected at a relative retention ratio in the range of 1.06 to 1.10 based on a retention time of dibutyl phthalate is not more than 50% of the total area of all peaks when the pigment is extracted by ethyl acetate and the extracts are analyzed by high-speed liquid chromatography using dibutyl phthalate as internal standard, is provided and use of the coating solution ensures that the colored image of stable quality is formed.
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