Pigments, the process of their manufacturing and their use
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United States of America Patent
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Apr 23, 2002
Grant Date -
N/A
app pub date -
Mar 30, 2000
filing date -
Apr 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Hybrid pigments of diketopyrrolo[3,4-c]pyrrole pigments and pigments bearing 'acid' hydrogens like --NH, --OH or --CONH-- groups, a process for the manufacturing of the hybrid diketopyrrolo[3,4-c]pyrrole pigments with pigments bearing 'acid' hydrogens like --NH, -- OH or --CONH-- groups and their use as a pigment.
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