Abstract: An optical recording element having a transparent substrate and on the surface of said substrate, a recording layer, a light reflecting layer is disclosed. The recording layer comprises (i) a metallized azo ether dye having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus wherein the phenyl nucleus has an ether substituent ortho to the azo group and said phenyl nucleus is free of strong electron withdrawing groups and (ii) a cyanine dye. The recording layer also has, when unrecorded a refractive index, at a selected wavelength from 400 to 660 nm, comprising a real part (n) greater than 1.8 and an imaginary part (k) less than 0.2.

Abstract: Metallized azo thioether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an thioether substituent ortho to the azo group but does not have electron withdrawing substituents on the phenyl nucleus. The dyes are useful in optical recording elements.

Abstract: An ink jet printing process for improving the dye density and fixability of an ink jet image comprising: a) providing an ink jet recording element including a support having thereon an image-recording layer including a mixture of an anionic, addition polymer and a hydrophilic polymer; and b) applying droplets of a liquid ink on the image-recording layer in an image-wise manner, the ink including water, humectant and a water-soluble cationic or basic dye.

Abstract: An ink jet printing process for improving the wet abrasion resistance of an ink jet image comprising: providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a cross-linkable polymer of gelatin or acetoacetylated poly(vinyl alcohol) and a mordant; applying liquid ink droplets of a cationic, water-soluble dye on the image-recording layer in an image-wise manner; and applying an aqueous solution of an organic hardener or a sulfate of a trivalent metal to the image to cross-link the polymer.

Abstract: An ink jet printing process for improving the wet abrasion resistance of an ink jet image comprising:

Abstract: An ink jet printing process for improving the dye density and fixability of an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a mixture of an anionic, water-dispersible polyester ionomer and a hydrophilic polymer; and b) applying droplets of a liquid ink on the image-recording layer in an image-wise manner, the ink comprising water, humectant and a water-soluble cationic or basic dye.

Abstract: An ink jet printing process for improving the dye density and fixability of an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a mixture of an anionic, water-dispersible polyurethane and a hydrophilic polymer; and b) applying droplets of a liquid ink on the image-recording layer in an image-wise manner, the ink comprising water, humectant and a water-soluble cationic or basic dye.

Abstract: An ink jet printing process for improving the dye density and fixability of an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a mixture of a hydrophilic polymer and a polyolefin polymer or wax; and b) applying droplets of a liquid ink on the image-recording layer in an image-wise manner, the ink comprising water, humectant and a water-soluble cationic or basic dye.

Abstract: An ink jet printing process for improving the light stability and wet abrasion resistance of an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a cross-linkable polymer of gelatin or acetoacetylated poly(vinyl alcohol) and a mordant; b) applying liquid ink droplets of a dye on the image-recording layer in an image-wise manner, the dye being a water-soluble deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N—H group which is part of a conjugated system; and c) applying an aqueous solution of an organic hardener to the image to cross-link the polymer.

Abstract: Metallized azo ether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an ether substituent ortho to the azo group. The phenyl nucleus is free of strong electron withdrawing substituents. The dyes are useful in optical recording elements.

Abstract: An ink jet printing process for improving the light stability of an ink jet image comprising: providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a cross-linkable polymer of gelatin or acetoacetylated poly(vinyl alcohol) and a mordant; applying liquid ink droplets of a dye on the image-recording layer in an image-wise manner, the dye being a water-soluble deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N—H group which is part of a conjugated system; and applying an aqueous solution of a multivalent inorganic salt to the image to cross-link the polymer.

Abstract: An ink jet ink composition comprising water, a humectant, and a delocalized cationic azo dye derived from the quatemization of a heterocyclic azoaminothiazole dye.

Abstract: An ink jet ink composition which provides an image having improved wet abrasion resistance comprising water, a cationic, water-soluble dye and from about 0.1 to about 10% by weight of a hardener.

Abstract: An ink jet ink composition comprising water, a humectant, and a cationic azo dye derived from the quaternization of a pyrazoleazoindole dye.

Abstract: A method of ink jet printing, wherein an ink jet composition comprising water, a cationic, water soluble dye and from about 0.1% to about 10% by weight of a hardener is ejected onto an image recording element. The recording element is formed of a support and an ink receptive layer, formed on the support, wherein the ink receptive layer comprises a cross linkable polymer.

Abstract: An optical recording element having a transparent substrate and on the surface of said substrate, a recording layer and a light reflecting layer. The recording layer comprises (i) a metallized carbamoylazo dye having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus wherein the phenyl nucleus has a carbamoyl substituent ortho to the azo group and (ii) a cyanine dye. The unrecorded recording layer has a refractive index, at a selected wavelength from 400 to 660 nm, comprising a real part (n) greater than 1.8 and an imaginary part (k) less than 0.2.

Abstract: Metallized carbamoylazo dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has a carbamoyl substituent ortho to the azo group. The dyes are useful in optical recording elements.

Abstract: An optical recording element having a transparent substrate and on the surface of said substrate, a recording layer and a light reflecting layer. The recording layer comprises a metallized carbamoylazo dye having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus. The phenyl nucleus has a carbamoyl substituent ortho to the azo group. The unrecorded recording layer has a refractive index, at a selected wavelength from 400 to 660 nm, comprising a real part (n) greater than 1.8 and an imaginary part (k) less than 0.2.

Abstract: A dye mixture is disclosed. The mixture is useful in recording layers of optical recording elements. The mixture has:a) a real index of refraction of at least 1.8 in the 780 to 790 nm region of the spectra;b) an imaginary index (k) between 0.3 and 0.02 in the 780 to 790 nm region of the spectra;c) a metallized azo dye comprising an azo group linking a substituted 3-hydroxy-pyridine nucleus to a phenyl nucleus wherein the phenyl nucleus has an alkoxy or thioether substituent at its 2-position; andd) at least a second dye.

Abstract: There is disclosed a recordable optical element that includes a recording layer. The element has a transparent substrate and on the surface of the substrate, a) a recording layer containing a light absorbing material and b) a light reflecting layer, the improvement wherein said light absorbing material has the structure: ##STR1## wherein; R is hydrogen, alkyl having from 1 to about 20 carbons, substituted or substituted aryl from about 6 to 10 carbon atoms;R.sub.1 represents hydrogen or an alkyl group of from 1 to about 6 carbon atoms;R.sub.2 represents a hydrogen, an alkyl group of from 1 to about 5 carbon atoms; SO.sub.2 R"' or SO.sub.2 NHR"' where R"' is an alkyl group from 1 to about 10 carbon atoms; an aryl group of from about 6 to 10 carbon atoms or a hetaryl group of from about 5 to about 10 carbon atoms or a halogen atom;R.sub.3 represents hydrogen, an alkyl group of from 1 to about 4 carbon atoms or a halogen atom;R.sub.4 represents alkyl group 1 to 10 carbon atoms; SO.sub.2 R"', SO.sub.