Abstract: A dispersing agent for dispersing solid particles in an organic liquid having the composition ##STR1## wherein ##STR2## is the residue of a polyester chain having a molecular weight of at least 1700, derived from a hydroxycarboxylic acid containing 16-22 carbon atoms, ##STR3## is the residue of a mono or polyamide having up to 12 amido bonds, which is amino terminated in both ends and wherein R.sub.1 and R.sub.2 are each independently hydrogen or alkyl or alkenyl containing up to 20 carbon atoms;Z is a salt of a carboxylic acid containing 8-18 carbon atoms and a diamine NHR.sub.3 --T--NH.sub.2 wherein T is alkylene or alkenylene containing 2-12 carbon atoms and optionally comprising one or more oxygen or nitrogen bridges and R.sub.3 is hydrogen or alkyl or alkenyl containing up to 20 carbon atoms;Q is a carboxylic acid containing 8-18 carbon atoms or a diamine NHR.sub.3 --T--NH.sub.2, wherein T and R.sub.3 are defined as above.Said dispersing agent can be used for preparing an easily dispersable pigment.

Abstract: A dispersing agent for dispersing solid particles in an organic liquid having the composition ##STR1## wherein ##STR2## is the residue of a polyester chain having a molecular weight of at least 1700, derived from a hydroxycarboxylic acid containing 16-22 carbon atoms, ##STR3## is the residue of a mono or polyamide having up to 12 amido bonds, which is amino terminated in both ends and wherein R.sub.1 and R.sub.2 are each independently hydrogen or alkyl or alkenyl containing up to 20 carbon atoms; Z is a salt of a carboxylic acid containing 8-18 carbon atoms and a diamine NHR.sub.3 --T--NH.sub.2 wherein T is alkylene or alkenylene containing 2-12 carbon atoms and optionally comprising one or more oxygen or nitrogen bridges and R.sub.3 is hydrogen or alkyl or alkenyl containing up to 20 carbon atoms; Q is a carboxylic acid containing 8-18 carbon atoms or a diamine NHR.sub.3 --T--NH.sub.2, wherein T and R.sub.3 are defined as above. Said dispersing agent can be used for preparing an easily dispersable pigment.

Abstract: Polyaddition product the molecule of which is characterized by the presence of one group ##STR1## Method to prepare the above mentioned product and dispersions in polar and non polar diluents which contain the said product in addition with solid organic or inorganic particles.

Abstract: A dispersing agent of the formula ##STR1## wherein ##STR2## is the residue of a polyester chain having a molecular weight of at least 1000; ##STR3## is the residue of an aliphatic or aromatic amino acid; and --O--A--O--is the residue of a metal salt Me(OH).sub.2, Me(OCOR.sub.1).sub.2 or Me(OH).sub.2 --OCOR.sub.1, wherein R.sub.1.COO--is the residue of a carboxylic acid,optionally in combination with an aliphatic diamine NHR.sub.2 --T--NH.sub.2, wherein R.sub.2 is hydrogen or C.sub.1-20 alkyl, and a salt of said diamine and a residual carboxylic acid deriving from the polyester mixture. The dispersing agents are useful for dispersing pigments and dyes in organic liquids.

Abstract: A polymeric diamino triazine dispersing agent comprising a compound the essential parts of which area diamino triazine group anda polymer chain having a molecular weight of at least 1000, which compound has been obtained by reacting a diamino triazine and a polymer chain having a molecular weight of at least 1000 with an oxiran containing compound. The dispersing agent comprises compounds of the formulas ##STR1## wherein R.sub.1 is aryl or alkyl having 1-8 carbon atoms,R.sub.2 is a hydrocarbon radical optionally comprising one or more ether groups and having a molecular weight of less than 200, andR.sub.3 is a polymer chain residue having a molecular weight of at least 1000.The dispersing agent can be used for dispersing solid particles, such as pigment particles, in a non polar solvent.