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US 4,052,410 AGranted
Iminoisoindoline pigments
AssigneeCiba-Geigy Corporation
InventorsJost von der Crone, Andre Pugin, Rudolf Mory
Life of this patent
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Abstract
Iminoisoindolinone pigments of the formula ##STR1## wherein X represents halogen atoms, Y represents a halogen atom, an alkoxy, cycloalkoxy, aralkoxy, aryloxy, alkylthio or arylthio group, R represents an aromatic radical containing a cyclic bound -CONH group, and Q represents an O-atom or the group .dbd.N-R are useful for coloring plastics and lacquers in yellow shades having excellent fastness properties.
Claims3
An iminoisoindolinone of the formula ##STR58## wherein X represents a halogen atom,
- Y represents a halogen atom, alkoxy of 1-4 carbon atoms, phenoxy, chlorophenoxy, methylphenoxy, or alkylthio of 1 or 2 carbon atoms,
- R.sub.1 represents a hydrogen atom, alkyl having 1-4 carbon atoms, unsubstituted phenyl, phenyl substituted by a halogen atom, alkyl having 1-4 carbon atoms, alkoxy having 1-4 carbon atoms, or alkanoylamino having 1-4 carbon atoms,
- X.sub.1 represents a hydrogen atom, a halogen atom, alkyl having 1-4 carbon atoms, alkoxy having 1-4 carbon atoms, or phenoxy.
Dependencies are inferred from the claim text.