Crystal growth modifiers for perylene pigments

This invention relates to a pigment composition comprising a co-precipitated blend comprising (a) 60 to 95 percent by weight of a perylene pigment having the formula wherein R 1 and R 2 are independently C 1 -C 6 alkyl, C 5 -C 7 cycloalkyl, C 7 -C 16 aralkyl, or C 6 -C 10 aryl; and (b) 5 to 40 perce...

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Bibliographic Details
Main Authors FLATT, THOMAS R, JOHNSON, MARK W
Format Patent
LanguageEnglish
French
German
Published 15.03.2006
Subjects
ADHESIVES
CHEMISTRY
DYES
HETEROCYCLIC COMPOUNDS
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC CHEMISTRY
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Summary:This invention relates to a pigment composition comprising a co-precipitated blend comprising (a) 60 to 95 percent by weight of a perylene pigment having the formula wherein R 1 and R 2 are independently C 1 -C 6 alkyl, C 5 -C 7 cycloalkyl, C 7 -C 16 aralkyl, or C 6 -C 10 aryl; and (b) 5 to 40 percent by weight of a polycyclic aromatic compound.
Bibliography:Application Number: EP20050021729