Heterocyclic Colorants Based on Diazabenzoisoindoles
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United States of America Patent
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Issued Date -
Nov 15, 2007
app pub date -
May 21, 2004
filing date -
Jun 11, 2003
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Abandoned
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Abstract
The invention is directed to novel colorants of formula (I), wherein A represents a group of general formulas (II), (III), (IV) or (V), and B represents a substituted or unsubstituted ortho-C6-C18 arylene, wherein C and D represent an alicyclic or heteroyclic group.
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