Pigments, their production and use
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United States of America Patent
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Apr 5, 1994
Grant Date -
N/A
app pub date -
Apr 16, 1992
filing date -
Apr 17, 1991
priority date (Note) -
Expired
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Abstract
Pigments (P) obtainable by cationizing desolubilization of (L) the colored leuco form of sulphur dyes and standardization of the desolubilized products and their use, in particular in printing inks.
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