Isoindolinone pigments and process for their manufacture
AssigneeCiba-Geigy Corporation
InventorErnst Model
Life of this patent
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Abstract
Isoindolinone pigments of the formula ##STR1## WHEREIN R represents an aliphatic or cycloaliphatic radical, a cycloaliphatic, aromatic or heterocyclic radical to which the oxygen atoms are attached through alkyl or alkoxy groups, V.sub.1 and V.sub.2 represent hydrogen or halogen atoms, alkyl or alkoxy groups of 1 to 4 carbon atoms, X represents a halogen atom, Y and Z represent halogen atoms, alkoxy or alkylmercapto groups of 1 to 6 carbon atoms, cycloalkoxy groups of 5 to 6 carbon atoms, aralkoxy, aryloxy or arylmercapto groups, and n is an integer from 2 to 6, are valuable pigments coloring plastics, lacquers and printing inks in various yellow shades of excellent fastness properties and high color strength.
Claims11
An isoindolinone pigment of the formula ##STR47## wherein R represents alkylene of 1 to 6 carbon atoms, alkylene of 1 to 6 carbon atoms interrupted by oxygen, alkylene of 1 to 6 carbon atoms substituted by alkoxy containing 1 to 6 carbon atoms, phenoxy, phenyl, or phenyl substituted by halogen, alkyl containing 1 to 4 carbon atoms, or alkoxy containing 1 to 4 carbon atoms, or a radical of the formula ##STR48## wherein A represents an alkylene containing 1 to 4 carbon atoms, or alkyleneoxy containing 1 to 4 carbon atoms;
- V.sub.1 and V.sub.2 represent hydrogen, halogen, alkyl containing 1 to 4 carbon atoms, X represents halogen;
- Y and Z represent halogen, alkoxy containing 1 to 6 carbon atoms, alkylmercapto containing 1 to 6 carbon atoms, cycloalkoxy containing 5 or 6 carbon atoms;
- and n is an integer from 2 to 6.
Dependencies are inferred from the claim text.