Abstract: The invention is directed to carbamate group containing non chloranil based triphendioxazine compounds useful as pigments which are readily convertible into the corresponding triphendioxazine pigments without carbamate.

Abstract: The invention relates to a process for preparing triphendioxazine compounds by cyclizing the intermediates (IV) in the presence of manganese oxide and sulfuric acid to form compounds of the general formula (I) a process for condensing compounds of the general formula (II) with compounds of the general formula (III) to form the chlorine-free intermediates (IV) and also compounds of the general formula (IV).

Abstract: The invention provides hybrid pigments containing: (a) at least one benzimidazolone triphenodioxazine compound of the formula (I)  and (b) at least one pyrrolo-[3,4-c]-pyrrole compound, or (c) at least one thiazine-indigo compound, or (d) at least one quinacridone compound or (e) at least one copper phthalocyanine compound and a process for the preparation of such hybrid pigments and their use for the mass pigmentation of substrates, as colorants in electrophotographic toners and developers, in powders and powder coating materials, in ink-jet inks and in cosmetic compositions.

Abstract: Use of a pigment of the formula (I) wherein R is chloro or methyl as a colourant in plastics materials for food packaging.

Abstract: New heterocyclic compounds are disclosed which are used as intermediates for the preparation of trans-thiazine-indigo pigments which are in part new compounds and can be used for the mass pigmentation of organic substrates. Also disclosed are different environmentally friendly water-based processes for the preparation of the new heterocyclic compounds and the corresponding pigments.

Abstract: A new polymorphic form of 2,9-dichloroquinacridone having improved pigmentary properties and a method of forming said 2,9-dichloroquinacridone comprising the step of ring closure of appropriately substituted terephthalic acid in sulphuric acid.

Abstract: A new pigment for making colored finely divided particles on aminoformaldehyde resin allows to produce particles of substantially uniform particle size and spherical or irregular shape having excellent dispersibility and superior opacity.

Abstract: Synthetic polyamide comprising one or more of the following compounds: a) a compound having at least one sterically hindered amino group, [hereinafter referred to as compounds a)]; or b) a trimesinic acid trialkylamide, at least one alkyl group of which bears at least one free amino and/or alkylamino group [hereinafter referred to as compounds b)]; or c) a trialkylamino-substituted triazine, at least one alkyl group of which carries a free amino and/or alkylamino group [hereinafter referred to as compounds c)]; or d) a dyestuff that is free of sulphonic acid groups and contains at least one group that is reactive to a hydroxy and/or amino group [hereinafter referred to as compounds d)]; or e) a synthetic polyamide containing at least one group that is reactive with a hydroxy and/or amino group [hereinafter referred to as compounds e)].

Abstract: This invention relates to new fluorescent or non-fluorescent dye compounds having a terminal hydroxy, carboxylic acid/ester or amino group and a process for their preparation.

Abstract: Hybrid pigments of diketopyrrolo[3,4-c]pyrrole pigments and pigments bearing “acid” hydrogens like —NH, —OH or —CONH— groups, a process for the manufacturing of the hybrid diketopyrrolo[3,4-c]pyrrole pigments with pigments bearing “acid” hydrogens like —NH, — OH or —CONH— groups and their use as a pigment.

Abstract: The triphendioxazine compounds of the general formula (I) in which the rings labelled A in positions 1,2-, 2,3- or 3,4- and 8,9-, 9,10- or 10,11- carry a linearly or angularly fused heterocyclic ring containing at least one nitrogen atom which is substituted or unsubstituted, with the proviso that compounds with only unsubstituted nitrogen atoms and symmetrically disubstituted compounds with C1-2alkyl and unsubstituted phenyl substituents are excluded, are outstanding pigments and are notable over the closest comparable pigments in particular for better migration, light and solvent fastnesses, better heat stability and enhanced coloring power and also better dispersibility and capability to be brought into pigment form. The invention also relates to a process for preparing these triphendioxazine compounds which is characterized by a cyclization step conducted in the presence of manganese dioxide and concentrated sulphuric acid.

Abstract: A process of increasing the melt processing of synthetic polyamides, in particular pigmented and/or filled synthetic polyamide, by adding thereto an additive having the formula (I) wherein R1 represents a methyl group as such or in the form of a stabilizer masterbatch composition. The invention also relates to modified synthetic polyamides obtainable by this process having improved properties due to the stabilization effect of the compound of the above formula (I).

Abstract: A process of forming the cis- or the trans-isomers of thiazine-indigo compounds comprising the step of reacting o-aminomercapto-carbocyclic or -heterocyclic compounds with a maleic acid or fumaric acid derivative in the presence of an aqueous system. The invention further relates to a process of converting cis-isomers of thiazine-indigo compounds into the trans-isomers being pigments. The invention also relates to the cis-isomers of thiazine-indigo compounds of formula I as defined in claim 14 which are new compounds.

Abstract: The invention relates to a process for preparing triphendioxazine compounds by cyclizing the intermediates (IV) 1

Abstract: Compounds of the formula (I) in which the substituents are as defined in claim 1 are valuable colorants for the mass coloring of polymers, with fluorescence property, in electrophotographics toners and developers, in powders coating materials and ink-jet inks.

Abstract: The triphendioxazine compounds of the general formula (I) in which the rings labelled A in positions 1,2-, 2,3- or 3,4- and 8,9-, 9,10- or 10,11- carry a linearly or angularly fused heterocyclic ring containing at least one nitrogen atom which is substituted or unsubstituted, with the proviso that compounds with only unsubstituted nitrogen atoms and symmetrically disubstituted compounds with C1-2alkyl and unsubstituted phenyl substituents are excluded, are outstanding pigments and are notable over the closest comparable pigments in particular for better migration, light and solvent fastnesses, better heat stability and enhanced colouring power and also better dispersibility and capability to be brought into pigment form. The invention also relates to a process for preparing these triphendioxazine compounds which is characterized by a cyclization step conducted in the presence of manganese dioxide and concentrated sulphuric acid.

Abstract: Carbamate group-containing triphendioxazine compounds of the formula (I) where the nuclei designated A and B, as defined in claim 1, contain fused-on rings and R1, R2 and R3 have the meanings specified in claim 1, are good pigments and are convertible into the corresponding triphendioxazine pigments without carbamate groups.

Abstract: A compound according to the formula (I) wherein R1 and R2 are independently the atoms necessary to complete the formation of a substituted or unsubstituted aromatic or aliphatic carbocyclic or heterocyclic ring system and R3 and R4 have the meaning indicated in claim 1, a new process for the preparation of such a compound, solid solutions and mixtures comprising such a compound and the use of a compound of formula (I) as a pigment.

Abstract: The invention relates to triphendioxazine compounds of the formula (I) ##STR1## where the rings marked with A comprise, independently of one another, rings which are fused linearly in positions 2,3 and 9,10 or angularly in positions 1,2 and 8,9 or 3,4 and 10,11 and have the radical members of the formula (i) --NR.sub.1 (CO).sub.m --NH--, (ii) --CR.sub.1 .dbd.CH--CO--NH--, (iii) --O--CH.sub.2 --CO--NH--, (iv) --CO--CH.dbd.CR.sub.1 --NH--, (v) --CO--NH--CO--NH--, (vi) --CO--NH--CR.sub.2 .dbd.N--, (vii) --CR.sub.2 .dbd.N--CO--NH--, (viii) --NR.sub.1 --(CO).sub.m --O--, (ix) --NH--CR.sub.1 .dbd.N--, (x) --NH--CO--CR.sub.1 .dbd.N--, (xi) --NH--CO--CHR.sub.1 --NH--, (xii) --NR.sub.3 --(CO).sub.m --NR.sub.4 --, (xiii) --NR.sub.5 --(CO).sub.m --NR.sub.6 --, (xiv) --NR.sub.4 --CO--O-- or (xv) --NR.sub.6 --CO--O--,m is 1 or 2,R.sub.1 is hydrogen, C.sub.1-4 alkyl or phenyl, preferably hydrogen, methyl or ethyl,R.sub.2 is hydrogen, C.sub.1-4 alkyl or phenyl, preferably hydrogen, methyl or ethyl,R.sub.3, R.sub.4, R.sub.

Abstract: A compound of formula (I) or a mixture thereof ##STR1## The compounds are useful as solvent dyestuffs and exhibit high solubility in alcoholic solvents, e.g. ethanol.