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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 (463 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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Guerino G Sacripante, Grazyna E Kmiecik Lawrynowicz: Toner processes. Xerox Corporation, E O Palazzo, May 3, 1994: US05308734 (312 worldwide citation)

A process for the preparation of toner compositions which comprises generating an aqueous dispersion of toner fines, ionic surfactant and nonionic surfactant, adding thereto a counterionic surfactant with a polarity opposite to that of said ionic surfactant, homogenizing and stirring said mixture, a ...


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Bernard Grushkin, Guerino G Sacripante: Toner composition and processes thereof. Xerox Corporation, John L Haack, Eugene O Palazzo, January 11, 1994: US05278020 (306 worldwide citation)

A toner composition and processes for the preparation thereof comprising the steps of: (i) preparing a latex emulsion by agitating in water a mixture of a nonionic surfactant, an anionic surfactant, a first nonpolar olefinic monomer, a second nonpolar diolefinic monomer, a free radical initiator and ...


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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 (230 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 (205 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.


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Daniel A Foucher, Raj D Patel, Guerino G Sacripante, Walter Mychajlowskij: Toner processes. Xerox Corporation, E O Palazzo, December 29, 1998: US05853944 (180 worldwide citation)

A process for the preparation of toner with a first aggregation of sulfonated polyester, and thereafter a second aggregation with a colorant dispersion and an alkali halide.


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Guerino G Sacripante, Daniel A Foucher, J Stephen Kittelberger, Dongming Li, Marko D Saban, Alan E J Toth, Robert D Bayley: Polyester process. Xerox Corporation, E O Palazzo, May 16, 2000: US06063827 (169 worldwide citation)

A process for the preparation of an unsaturated polyester which comprises (i) reacting an organic diol with a cyclic akylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, and (ii) optionally adding thereto a further amount of cyclic alkylene carbonate in the presen ...


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