Fluorescent magenta latexes are provided which may comprise water and fluorescent agent-incorporated resin particles, the particles comprising a resin, Solvent Red 49 as a red fluorescent agent, and Solvent Yellow 98 as a yellow fluorescent agent, wherein the fluorescent magenta latex has a weight ratio of the Solvent Red 49 to the Solvent Yellow 98 in a range of from 3:1 to 10:1. Fluorescent magenta toners and methods of making and using the fluorescent magenta toners are also provided.

Fluorescent magenta latexes are provided which may comprise water and fluorescent agent-incorporated resin particles, the particles comprising a resin, Solvent Red 49 as a red fluorescent agent, and Solvent Yellow 98 as a yellow fluorescent agent, wherein the fluorescent magenta latex has a weight ratio of the Solvent Red 49 to the Solvent Yellow 98 in a range of from 3:1 to 10:1. Fluorescent magenta toners and methods of making and using the fluorescent magenta toners are also provided.

Fluorescent latexes are provided. In embodiments, a fluorescent latex comprises water and fluorescent agent-incorporated resin particles, the particles comprising a resin and a Förster Resonance Energy Transfer (FRET) pair comprising a fluorescent brightener having a fluorescence emission spectrum and a fluorescent dye having an absorption spectrum that overlaps with the fluorescence emission spectrum of the fluorescent brightener, wherein the fluorescent latex exhibits FRET under illumination with ultraviolet (UV) light. Fluorescent toners made from the fluorescent latexes are provided. Methods of making and using the fluorescent toners are also provided.

Fluorescent latexes are provided. In embodiments, a fluorescent latex comprises water and fluorescent agent-incorporated resin particles, the particles comprising a resin and a Förster Resonance Energy Transfer (FRET) pair comprising a fluorescent brightener having a fluorescence emission spectrum and a fluorescent dye having an absorption spectrum that overlaps with the fluorescence emission spectrum of the fluorescent brightener, wherein the fluorescent latex exhibits FRET under illumination with ultraviolet (UV) light. Fluorescent toners made from the fluorescent latexes are provided. Methods of making and using the fluorescent toners are also provided.

Fluorescent magenta latexes are provided which may comprise water and fluorescent agent-incorporated resin particles, the particles comprising a resin, Solvent Red 49 as a red fluorescent agent, and Solvent Yellow 98 as a yellow fluorescent agent, wherein the fluorescent magenta latex has a weight ratio of the Solvent Red 49 to the Solvent Yellow 98 in a range of from 3:1 to 10:1. Fluorescent magenta toners and methods of making and using the fluorescent magenta toners are also provided.

The present disclosure relates to toner compositions containing an IR-taggant, and method of making thereof. The disclosure also relates to method for confirming authenticity of an item.

The present disclosure relates to toner compositions containing an IR-taggant, and method of making thereof. The disclosure also relates to method for confirming authenticity of an item.

Provided is a yellow toner which provides a sharper color than ever before in small amounts and which has excellent light resistance. A yellow toner comprising a binder resin and a yellow colorant, wherein a compound A represented by the following general formula (1) and a compound B represented by the following general formula (2) are contained as the yellow colorant, and wherein a total content of the compound A and the compound B is from 3 to 30 parts by mass with respect to 100 parts by mass of the binder resin, and a mass ratio of the content of the compound A to the content of the compound B (compound A/compound B) is from 0.8 to 20: ##STR00001##

Provided is a yellow toner which provides a sharper color than ever before in small amounts and which has excellent light resistance. A yellow toner comprising a binder resin and a yellow colorant, wherein a compound A represented by the following general formula (1) and a compound B represented by the following general formula (2) are contained as the yellow colorant,, and wherein a total content of the compound A and the compound B is from 3 to 30 parts by mass with respect to 100 parts by mass of the binder resin, and a mass ratio of the content of the compound A to the content of the compound B (compound A/compound B) is from 0.8 to 20:

##STR00001##

A mixture contains a compound having a specific structure and acting as a dye and a compound having a specific structure and acting as an ultraviolet light absorbent.