CRYSTAL GROWTH MODIFIERS FOR PERYLENE PIGMENTS

This invention relates to pigment compositions prepared by co-precipitating a blend of (a) about 60 to about 95 percent by weight of a perylene pigment having the formula (see above formula) wherein R1 and R2 are independently C1-C6 alkyl, C5-C7 cycloalkyl, C7-C16 aralkyl, or C6-C10 aryl; and (b) ab...

Full description

Saved in:
Bibliographic Details
Main Authors FLATT, THOMAS R, JOHNSON, MARK W
Format Patent
LanguageEnglish
French
Published 11.04.2006
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
Online AccessGet full text

Cover

More Information
Summary:This invention relates to pigment compositions prepared by co-precipitating a blend of (a) about 60 to about 95 percent by weight of a perylene pigment having the formula (see above formula) wherein R1 and R2 are independently C1-C6 alkyl, C5-C7 cycloalkyl, C7-C16 aralkyl, or C6-C10 aryl; and (b) about 5 to about 40 percent by weight of a polycyclic aromatic compound.
Bibliography:Application Number: CA19972203619