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Guerino G Sacripante, James M Duff, Grazyna Kmiecik Lawrynowica, Raj D Patel: Microsuspension processes for toner compositions. Xerox Corporation, E O Palazzo, March 1, 1994: US05290654 (469 worldwide citation)

A process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the ...


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Grazyna E Kmiecik Lawrynowicz, Raj D Patel, Michael A Hopper: Process of making toner compositions. Xerox Corporation, E O Palazzo, September 6, 1994: US05344738 (299 worldwide citation)

A process for the preparation of toner compositions with a volume median particle size of from about 1 to about 25 microns, which process comprises:


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Beng S Ong, Walter Mychajlowskij, Raj D Patel: Toner compositions. Xerox Corporation, E O Palazzo, December 17, 1996: US05585215 (254 worldwide citation)

A toner comprised of color pigment and an addition polymer resin, and wherein said resin is generated by emulsion polymerization of from 70 to 85 weight percent of styrene, from about 5 to about 20 weight percent of isoprene, from about 1 to about 15 weight percent of acrylate, or from about 1 to ab ...


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Guerino G Sacripante, Raj D Patel, Grazyna E Kmiecik Lawrynowicz: Toner compositions. Xerox Corporation, E O Palazzo, September 20, 1994: US05348832 (235 worldwide citation)

A toner composition comprised of pigment, and a sulfonated polyester of the formula or as essentially represented by the formula ##STR1## wherein M is an ion independently selected from the group consisting of hydrogen, ammonium, an alkali metal ion, an alkaline earth metal ion and a metal ion; R is ...


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Raj D Patel, Walter Mychajlowskij, Daniel A Foucher, Guerino G Sacripante, Beng S Ong: Surfactant free toner processes. Xerox Corporation, E O Palazzo, June 29, 1999: US05916725 (210 worldwide citation)

A process for the preparation of toner comprising mixing an amine, an emulsion latex containing sulfonated polyester resin, and a colorant dispersion, heating the resulting mixture, and optionally cooling.