Abstract: A light-resistant, metal complex dye for inkjet printing comprising a substituted 8-heterocyclic azo-5-aminoquinoline of the following structural formula:

Abstract: Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fastness.

Abstract: Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fastness.

Abstract: Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fastness.

Abstract: Ink compositions containing ultraviolet absorbing compounds of formula I wherein R1, R2 and R3 are defined herein, and wherein the compound contains one or two —SO3M groups, one —SO3M and one —CO2M group, or two —CO2M groups. Ink jet ink compositions containing ultraviolet absorbing compounds of formula IV wherein R2, R3, R4, R5 and R6 are defined herein, and wherein the compound contains one or two —SO3M groups, one —SO3M and one —CO2M group or two —CO2M groups, with the provision that either (1) R2 and R3 are not both hydrogen, or (2) R5 is not hydrogen. The ink compositions are adapted for ink jet printing.

Abstract: A flocculating dye reduces bleed between two inks when they are applied side by side. A first ink comprises the flocculating dye which flocculates the dispersant-pigment of the second ink.

Abstract: A flocculating dye reduces bleed between two inks when they are applied side by side. A first ink comprises the flocculating dye which flocculates the dispersant-pigment of the second ink.

Abstract: A flocculating dye reduces bleed between two inks when they are applied side by side. A first ink comprises the flocculating dye which flocculates the dispersant-pigment of the second ink.

Abstract: Novel water soluble dyes of the formula I are provided ##STR1## wherein R.sup.1 and R.sup.4 are alkyl of 1 to 4 carbon atoms or hydrogen; or R.sup.1 -R.sup.2 or R.sup.2 -R.sup.4 form part of aliphatic heterocyclic rings; R.sup.2 is hydrogen or joined with R.sup.1 or R.sup.4 as described above; R.sup.3 is --(CH.sub.2).sub.m --SO.sub.3.sup.-, where m is 1 to 6;X is N, CH or ##STR2## where Y is 2 --SO.sub.3.sup.- ; Z is 3, 4, 5 or 6 --SO.sub.3.sup.-. The novel dyes are particularly useful as the active media in water solution dye lasers.

Abstract: An ink system comprising a first ink containing a flocculating dye in an aqueous solution and a second ink containing a dispersant-pigment complex in an aqueous solution reduces bleed between the two inks when they are applied side by side.

Abstract: The invention relates to an aqueous ink composition for use in ink jet printers comprising an aqueous carrier, a pigment, and, preferably, a graft polymer having a polyacrylic acid backbone and hydrophobic side chains.

Abstract: A dye having a representative formula as follows and an ink providing waterfast printing having the dye, in which a surfactant is not essential: ##STR1##

Abstract: A water-soluble dye for a color subtractive, lightfast, wide spectrum ink as follows: ##STR1## wherein: X is ##STR2## R.sub.1 is: an aliphatic radical having from 1 to 18 carbon atoms; the radical ##STR3## in which R.sub.2 is --H, -lower alkyl of 1 to 4 C atoms, -lower alkoxy, -halogen, --NO.sub.2 --CN, --CO.sub.2 H;R.sub.3 is --H, -lower alkyl having 1 to 4 C atoms, -halogen, --CO.sub.2 H;M is H, Li, Na, K, --N(R.sub.4).sub.4 in which R.sub.4 is H, ##STR4## in which R.sub.5 is --H, -lower alkyl, and.sub.n is 1 to 4; and in which one of the --SO.sub.3 M groups on the amino-naphthol radical is positioned meta or para --SO.sub.3 M is meta to the --OH.and the dye in a water and glycol vehicle. A dye set of this dye, Direct Blue 199, and Direct Yellow 132 provides a full color spectrum of bright, lightfast colors.

Abstract: A alkali-soluble dye for a waterfast ink having structural formula as follows: ##STR1## and an ink containing the dye dissolved in water. Printing from the ink is insoluble below pH 6.0; is an intense black at low concentration; and remains black on acid papers. The aqueous inks are stable and exhibit good printhead nozzle maintenance.

Abstract: A novel class of dye is disclosed which is particularly efficient and stable for dye laser applications, lasing between 540 and 570 nm.

Abstract: A novel class of dye is disclosed which is particularly efficient and stable for dye laser applications, lasing between 540 and 570 nm.

Abstract: A novel class of dye is disclosed which is particularly efficient and stable for dye layer applications, lasing between 540 and 570 nm.

Abstract: This invention relates to disazo dyes, and their metal complexes, which are useful for dyeing cellulosic fibers in lightfast and washfast hues. In addition, these dyes have high water solubility, a high degree of fixation, acceptable migration and high water solubility with reasonable cost.The disazo dyes have the structure: ##STR1## Wherein: R is selected from ##STR2## Wherein the azo bonds are ortho to the --OH or NH.sub.2 groups;R.sub.1 is H, lower alkyl, lower alkoxy, or --CO.sub.2 M;R.sub.2 is H, lower alkyl, lower alkoxy, Cl;R.sub.3 is lower alkylene;R.sub.4 is H, --lower alkyl;R.sub.5 is H, lower alkyl, --CO.sub.2 M;R.sub.6 is OH or --NH.sub.2 ;R.sub.7 is H, --CH.sub.2 SO.sub.3 M;M is H, Na, Li, K, Mg, Ca, NH.sub.4 ; ##STR3## and n is 0, 1, 2.

Abstract: This invention relates to novel disazo dyes and processes for their production having the structure: ##STR1## wherein: R.sub.1 is H, lower alkyl, chloro, lower alkoxy, --CO.sub.2 M;R.sub.2 is H, lower alkyl, lower alkoxy, chloro;R.sub.3 is lower alkylene;R.sub.4 is H or lower alkyl;R.sub.5 is H, lower alkyl, lower alkoxy, chloro, nitro, --NHCO-- lower alkyl; CF.sub.3 ;R.sub.6 is H, lower alkyl, lower alkoxy, chloro, --SO.sub.3 M;R.sub.7 is --SO.sub.3 M, --CO.sub.2 MM is H, Na, Li, K, N.sub.

Abstract: This invention relates to novel N-alkyl-N-(amino-phenylsulfonyl)-aminoalkylphosphonic acids and to processes for their preparation. These compounds are useful as intermediates, especially for the manufacture of dyes containing phosphonic acid groups in their structure. Such dyes are reactive with cellulosic fibers and fabrics in the presence of carbodiimides at elevated temperatures.