Abstract: Isoindoline pigments are conditioned by means of a heat treatment of the pigment in a mixture of water and benzenemonocarboxylic and/or benzenedicarboxylic acids.Well crystallized, very weatherfast pigmentary forms which give colorations possessing improved purity of shade are obtained.

Abstract: Quinophthalone dyes of the formula ##STR1## where X is O or NC--C--R, where R is cyano, unsubstituted or N-substituted carbamyl, carboalkoxy, quinazolonyl, quinoxalinonyl, benzimidazolyl or benzothiazolyl and the rings A, B, the quinoline system and/or the fused benzo systems may be substituted by insolubilizing groups, in surface finishes, printing inks and plastics, in particular in thermoplastics, gives bright hues having good fastness properties coupled with high thermostability.

Abstract: Isoindoline compounds of the formula ##STR1## where A is --CN or ##STR2## These compounds are pigments which give brilliant and deep colorations, of good fastness, in plastics and surface coatings.

Abstract: Isoindoline colorants of the formula ##STR1## where the radicals R independently of one another are each methyl or ethyl, give neutral yellow colorations when incorporated into surface coatings. The colorations do not darken on weathering and, compared with prior art pigments, exhibit improved gloss stability on weathering.

Abstract: Isoindoline compounds of the formula (I) ##STR1## and their metal complexes of the formula (II) ##STR2## where (in formulae (I) and (II)) X and Y are each hydrogen, fluorine, chlorine, bromine, alkyl, alkoxy, alkoxycarbonyl, alkylsulfonyl, alkanoylamino, carbamyl, nitro, benzoylamino or N-phenylcarbamyl, or X and Y together form a radical of a fused benzene ring, T is fluorine, chlorine or bromine, Z is nitro, carbamyl, alkanoylamino, alkoxy, alkyl or phenyl, n and n' are each 0, 1, 2, 3 or 4, p and p' are each 0 or 1, the sums (n+p) and (n'+p') are each not more than 4, and Me is a divalent cation of a transition metal, of zinc or of cadmium, are useful pigments or coloring polymers, printing inks and finishes.

Abstract: Isoindoline dyes of the general formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl and R.sup.2 and R.sup.3 independently of one another are each hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine, bromine, fluorine, trifluoromethyl, methoxycarbonyl, ethoxycarbonyl or nitro, give pure brilliant deep yellow colorations with good lightfastness in surface coatings, printing inks and plastics.

Abstract: The novel colorants of the formula (I) ##STR1## where the rings A, B and C independently of one another are unsubstituted or substituted by groups which impart insolubility, possess high color strength, very good fastness to migration and excellent lightfastness and weatherfastness and are therefore very useful for pigmenting plastics and surface coatings.

Abstract: Novel bisisoindoline pigments of the formula (I) ##STR1## where the radicals A are identical or different radicals of a methylene-active compound, X is a divalent radical and the rings L are each unsubstituted or substituted, possess good fastness properties and are therefore suitable for a very wide range of applications, for example for pigmenting plastics, printing inks and surface coatings.

Abstract: Novel pigmentary forms of isoindoline pigments which contain(a) a pigmentary form of the compound of the formula (I) ##STR1## and (b) from 2 to 50% by weight, based on (I), of one or more isoindoline pigments of the formula (II) ##STR2## where R is --CN, --CONH.sub.2, N--C.sub.1 -C.sub.4 -alkylcarbamyl, N-phenylcarbamyl, 2-quinazolonyl, 2-quinoxazolonyl and 2-benzimidazolyl, and the phenyl radical in the phenylcarbamyl and/or the heterocyclic radicals stated for R are unsubstituted or substituted, are obtained by heating a mixture of the finely divided pigments (I) and (II) in an aqueous medium.Advantageously, the mixture is prepared directly by synthesizing (I) in the presence of finely divided (II) in water.The novel pigmentary forms are transparent pigments which have high color strength, and whose transparency and color strength are substantially superior to those of very similar pigments.

Abstract: A pigmentary form of isoindoline pigments which has high color strength is obtained if these pigments contain(a) a compound of the formula (I) ##STR1## and (b) one or more isoindoline compounds of the formula (II) ##STR2## and the pigment is obtained by dry-blending (I) and (II) until the primary particles are .ltoreq.0.2 .mu.m and then heating the finished mill base in an organic liquid or in a mixture of water and an organic liquid. In the formulae, X is ##STR3## and R.sup.2 is --CN, --CONHR.sup.4, 2-quinazolonyl, 2-quinoxazolonyl or 2-benzimidazolyl, R.sup.3 is hydrogen, alkyl or unsubstituted or substituted phenyl, R.sup.1 is hydrogen or methyl, and R.sup.4 is hydrogen, alkyl or phenyl, and the phenyl radical and/or the heterocyclic radicals can be further substituted. The compounds I and II differ from one another.The color strengths of the resulting pigments are substantially superior to the prior art.

Abstract: Isoindoline dyes of the formula ##STR1## where X is a radical of the formula ##STR2## and R is hydrogen, alkyl, benzyl, phenyl, napth-1-yl or a 5-membered or 6-membered unsaturated heterocyclic radical which may or may not be fused to a benzene ring, and the rings A, the phenyl ring, the naphthyl ring and the heterocyclic radical in R are unsubstituted or substituted by non-solubilizing groups, color finishes, printing inks and plastics in deep red or brown hues which are very lightfast and fast to migration.

Abstract: Isoindoline colorants of the formula ##STR1## where the two R's independently of one another are C.sub.1 -C.sub.4 -alkyl, or are benzyl, phenyl or 1-naphthyl, each of which may be unsubstituted or substituted by groups which do not confer solubility.The colorants give deep, yellow to orange, hues in plastics, surface coatings and printing inks. The colorations have very good lightfastness and fastness to weathering and to migration.

Abstract: A pigment of the formula: ##STR1## wherein each of the rings A, B and C independently is unsubstituted or is substituted by one, two or three radicals which do not confer solubility, or the ring A can additionally carry a fused ring. The novel compounds of the invention are useful as pigments for coloring, printing inks, plastics, and, especially, surface coatings.

Abstract: Novel isoindoline colorants of the formula ##STR1## where R.sup.1 is phenyl or 1-naphthyl, which are unsubstituted or substituted by groups which do not confer solubility, R.sup.2 and R.sup.3, independently of one another, are C.sub.1 -C.sub.4 -alkyl or benzyl or R.sup.3 is hydrogen and R.sup.2 is C.sub.1 -C.sub.4 -alkyl or benzyl, or is phenyl or 1-naphthyl which are unsubstituted or substituted by groups which do not confer solubility, R.sup.1 and R.sup.2 being identical or different, and the use of these colorants.In surface coatings, printing inks and plastics, the products give brilliant yellow to red colorations, which exhibit very good lightfastness and fastness to weathering, and good fastness to overcoating.

Abstract: A process for converting finely particled agglomerated crude isoindoline pigments of the formula ##STR1## where A is ##STR2## and B is the radical of an unsubstituted or substituted barbituric acid, or A and B are both such a barbituric acid radical, into tinctorially valuable pigmentary forms, wherein the crude pigment, which consists of primary particles having a mean size of .ltoreq.0.1 .mu.m, is subjected to shearing forces in water, and thereafter the aqueous suspension is heated at from 90.degree. to 160.degree. C. in the presence or absence of a surfactant and the pigment is isolated. Easily dispersible, low-hiding to extremely high-hiding pigments are obtained, which give brilliant colorations of improved lightfastness and fastness to weathering.

Abstract: A process for the preparation of an easily dispersible pigment, of high tinctorial strength, having the formula ##STR1## where A is cyano, carbonamido, N-phenyl or N-(chlorophenyl)-carbonamido or is a 5-membered or 6-membered unsaturated heterocyclic ring fused to a benzene ring and B is a barbituric acid radical, by condensing 1-amino-3-imino-insoindoline with the appropriate cyanomethylene compound at pH>7 and then with barbituric acid at pH 1.5-3.5, in an aqueous medium or in water, at from 20.degree. to 150 C. The process may be used to produce high-hiding or transparent pigments which give brilliant colorations.

Abstract: Sparingly soluble isoindoline colorants of the formula ##STR1## where R is carbamyl, N-C.sub.1 -C.sub.4 -alkylcarbamyl or N-phenylcarbamyl and Q is a group of the formula ##STR2## where A is 1,3- or 1,4-phenylene and the ring B is 1,2-phenylene, 1,2-naphthylene or 2,3-naphthylene and R has the above means, and where the phenyl radicals in R, A and B independently of one another may be unsubstituted or substituted by groups which do not confer solubility.The colorants I may be used as pigments and for coloring finishes, printing inks and plastics.

Abstract: Isoindoline colorants of the formula ##STR1## where X is a radical of the formula ##STR2## R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl, 1-naphthyl or a 5-membered or 6-membered, unsaturated heterocyclic radical which may or may not be benzo-fused, R.sup.2 and R.sup.3, independently of one another, are hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl or 1-naphthyl, and the ring A and the phenyl, naphthyl and heterocyclic radicals in R.sup.1, R.sup.2 and R.sup.3 can be substituted by groups which do not confer solubility. The colorants give deep, strongly bluish red hues in surface coatings, printing inks and plastics. The colorations have good lightfastness and fastness to migration.

Abstract: Isoindoline colorants of the formula ##STR1## where R.sup.1 is the radical of a 5-membered or 6-membered heterocyclic unsaturated ring, which may or may not be fused to a benzo ring, X is ##STR2## R.sup.2 and R.sup.3 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl or 1-naphthyl, and R.sup.1, the phenyl and naphthyl radicals, and the ring A may or may not be substituted by groups which do not confer solubility.In surface coatings, printing inks and plastics the novel colorants give yellow to red or brown very deep colorations which have good lightfastness, and fastness to weathering and to overspraying.

Abstract: A process for the manufacture of pigments of the formula ##STR1## where ##STR2## is a radical of barbituric acid or of one of its derivatives and ##STR3## is a divalent radical of benzene, 1,2- or 2,3-naphthalene, pyridine or pyrazine, which radical may be unsubstituted or substituted by halogen, alkyl of 1 to 10 carbon atoms, phenyl, carbamoyl, alkylcarbonylamino (where alkyl is of 1 to 17 carbon atoms), benzoylamino, alkoxy of 1 to 4 carbon atoms or phenoxy, the number of substituents being 1 or 2, by condensing amino-imino compounds or bis-imino compounds of the formula ##STR4## where R' and R" may be identical or different and are hydrogen, alkyl of 1 to 4 carbon atoms, hydroxyalkyl of 2 or 3 carbon atoms, phenylalkyl of 7 or 8 carbon atoms or phenyl, with barbituric acid or its derivatives, in the molar ratio of 1:2, in water in the presence of aliphatic carboxylic acids, aromatic carboxylic acids, aliphatic sulfonic acids, aromatic sulfonic acids, mineral acids or mixtures of these, at a pH of from 1 to