Abstract: Disclosed herein are compositions (e.g.

Abstract: Disclosed herein are polymers, which can be incorporated in pigment dispersions and inkjet ink compositions, comprising first monomers selected from ethylenically unsaturated hydrophobic monomers, and second monomers selected from maleic anhydride, maleic acid, and salts, esters, imides, and amides thereof. The polymers can have a portion of the second monomers functionalized with at least one organic group having a calcium index value greater than or equal to a calcium index value of phenylphosphonic acid. Additionally and/or alternatively, the at least one polymer can be crosslinked via the second monomers. Dispersions and inkjet ink compositions comprising such polymers can also further comprise at least one pigment and a liquid vehicle. Also disclosed are methods of making such polymers.

Abstract: Disclosed herein are compositions (e.g.

Abstract: Disclosed herein are composite particles comprising; a pigment; at least one ionic synergist adsorbed to the pigment surface; and at least one ionic polymer coating the pigment surface comprising the at least one synergist, wherein the at least one synergist and the at least one polymer have opposing charges, and wherein in the composite, a total charge of the at least one polymer is greater than a total charge of the at least one synergist. Also disclosed are dispersions and inkjet ink compositions comprising composite particles.

Abstract: Disclosed herein are composite particles comprising; a pigment; at least one ionic synergist adsorbed to the pigment surface; and at least one ionic polymer coating the pigment surface comprising the at least one synergist, wherein the at least one synergist and the at least one polymer have opposing charges, and wherein in the composite, a total charge of the at least one polymer is greater than a total charge of the at least one synergist. Also disclosed are dispersions and inkjet ink compositions comprising composite particles.

Abstract: The present invention relates to surface modified organic black pigments, surface modified carbon blacks, pigment mixtures and dispersions formed with these pigments, curable compositions, black matrices, and products incorporating them. The surface modified organic black pigment can have attached at least one organic group having the formula -X-Z, wherein X, which is directly attached to the pigment, represents an arylene group, a heteroarylene group, an alkylene group, an aralkylene group, or an alkarylene group, and Z represents at least one ionic group, at least one ionizable group, at least one nonionic group, at least one polymeric group, or any combinations thereof. Also disclosed are carbon black pigment combinations with the surface modified organic black pigments, low dielectric black dispersions, films, and black matrices containing them. Methods of preparing and making these various materials also are provided.

Abstract: Modified pigments including an organic group containing a 5-membered heteroaromatic ring, as well as related compositions, articles, and methods, are disclosed. The diazonium salts containing a 5-membered heteroaromatic ring exhibit enhanced activity in modifying pigments, thereby resulting in modified pigments with a higher treatment level and improved dispersibility in an ink composition.

Abstract: A dispersion of silver particles and a method of making the dispersion and ink are described. The dispersion or ink may be an aqueous dispersion or ink and may produce silver images having improved properties such as an improvement in gloss.

Abstract: Modified pigments including an organic group containing a 5-membered heteroaromatic ring, as well as related compositions, articles, and methods, are disclosed. The diazonium salts containing a 5-membered heteroaromat is ring exhibit enhanced activity in modifying pigments, thereby resulting in modified pigments with a higher treatment level and improved dispersibility in an ink composition.

Abstract: A dispersion of silver particles and a method of making the dispersion and ink are described. The dispersion or ink may be an aqueous dispersion or ink and may produce silver images having improved properties such as an improvement in gloss.

Abstract: The present invention relates to surface modified organic black pigments, surface modified carbon blacks, pigment mixtures and dispersions formed with these pigments, curable compositions, black matrices, and products incorporating them. The surface modified organic black pigment can have attached at least one organic group having the formula —X—Z, wherein X, which is directly attached to the pigment, represents an arylene group, a heteroarylene group, an alkylene group, an aralkylene group, or an alkarylene group, and Z represents at least one ionic group, at least one ionizable group, at least one nonionic group, at least one polymeric group, or any combinations thereof. Also disclosed are carbon black pigment combinations with the surface modified organic black pigments, low dielectric black dispersions, films, and black matrices containing them. Methods of preparing and making these various materials also are provided.

Abstract: The present invention relates to pigment dispersions comprising a liquid vehicle, a pigment, and a non-polymeric dispersant comprising at least one functional groups. Various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these dispersions, including inkjet ink compositions.

Abstract: Inkjet ink compositions comprising a liquid vehicle, an azo pigment, and a synergist are described. The colorant of the azo pigment and the synergist have specific structural features that, in combination, can be used to form an inkjet ink composition having long term stability in a variety of ink vehicles.

Abstract: The present invention relates to an inkjet ink composition comprising a liquid vehicle, a pigment, and a polymeric dispersant. In one embodiment, the pigment comprises a colorant having the formula A-(B)x or is a carbon black pigment and the polymeric dispersant comprises a polymeric group and at least one group having the formula -A?-(B)y(C)z, wherein A and A? are organic chromophore groups. In a second embodiment, the polymeric dispersant comprises a polymeric group and an organic chromophore group capable of interacting with the pigment.

Abstract: The present invention relates to an inkjet ink composition comprising a liquid vehicle, a pigment, and a polymeric dispersant. In one embodiment, the pigment comprises a colorant having the formula A-(B)x or is a carbon black pigment and the polymeric dispersant comprises a polymeric group and at least one group having the formula -A?-(B)y(C)z, wherein A and A? are organic chromophore groups. In a second embodiment, the polymeric dispersant comprises a polymeric group and an organic chromophore group capable of interacting with the pigment.

Abstract: The present invention relates to a method of preparing a modified colored pigment comprising a pigment having attached at least one organic group. The method comprises the step of combining, in any order, a) a solution of an organic colorant in a solvent, b) at least one aromatic amine comprising the organic group, c) at least one diazotizing agent, d) an aqueous medium, e) optionally at least one acid, and f), optionally at least one second solvent, to form the modified colored pigment.

Abstract: Inkjet ink compositions comprising a liquid vehicle, an azo pigment, and a synergist are described. The colorant of the azo pigment and the synergist have specific structural features that, in combination, can be used to form an inkjet ink composition having long term stability in a variety of ink vehicles.

Abstract: The present invention relates to a method of preparing a yellow pigment comprising an asymmetric quinolonoquinolone in an amount greater than 50% by weight of the yellow pigment. Also disclosed are modified yellow pigments comprising this yellow pigment having attached at least one organic group as well as inkjet ink compositions comprising the yellow pigments or the modified yellow pigments.

Abstract: The present invention relates to modified yellow pigments comprising yellow pigments having attached at least one organic group. The yellow pigment is a fluoroquinolonoquinolone pigment. Also disclosed are inkjet ink compositions comprising these modified yellow pigments and inkjet ink sets comprising these inkjet ink compositions. Other applications are also disclosed.

Abstract: The present invention relates to an inkjet ink composition comprising a liquid vehicle and at least one polymer modified pigment. In one embodiment, the polymer modified pigment comprises the combination product of a pigment, a polymer, and a base, wherein the polymer is a styrene-maleic anhydride polymer or an alternating copolymer comprising at least one segment having the formula —[HB-A]x-. In a second embodiment, the polymer modified pigment comprises a pigment and a polymer, wherein the polymer is a styrene-maleic acid polymer or salt thereof or an alternating copolymer comprising at least one segment having the formula —[HB-A?]x-. Methods of preparing the inkjet ink compositions are also disclosed.