Hot, Melt Type, Or Wax Containing Patents (Class 106/31.61)
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Patent number: 11795336Abstract: This oil-based ink composition for writing implements contains a colorant, a resin, an organic solvent, and fluorine-based resin particles, the average particle size of the fluorine-based resin particles being at least 0.1 ?m and less than 1.0 ?m when measured by a dynamic light scattering method.Type: GrantFiled: March 12, 2018Date of Patent: October 24, 2023Assignee: Mitsubishi Pencil Company, LimitedInventor: Yumiko Haruhara
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Patent number: 10563081Abstract: A main object of the present invention is to provide an ink composition for ink-jet recording capable of forming an ink film excellent in both film strength and scratch resistance. The present invention achieves the object by providing an ink composition for ink-jet recording comprising: an aqueous solvent including water and water-soluble organic solvent; a coloring agent; a resin emulsion; and a surfactant; wherein the resin emulsion includes a silicon-acrylic resin emulsion and a resin emulsion other than the silicon-acrylic resin emulsion; a content ratio of the resin emulsion to the coloring agent (content of the resin emulsion/content of the coloring agent) is 1/5 or more and 15/1 or less; and a content ratio of the silicon-acrylic resin emulsion to the coloring agent (content of the silicon-acrylic resin emulsion/content of the coloring agent) is 1/20 or more and 5/1 or less.Type: GrantFiled: November 8, 2016Date of Patent: February 18, 2020Assignee: DNP Fine Chemicals Co., LTD.Inventors: Kisei Matsumoto, Naoki Shiraishi, Kentaro Otomo, Fumie Yamazaki, Yukio Sugita
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Patent number: 9982154Abstract: The present invention provides an ink composition. The composition comprises a metal ion and a ligand. The ink composition is in a form of solid at a temperature of less than about 30° C. and in a form of liquid at temperature of above about 40 to about 80° C.Type: GrantFiled: April 15, 2015Date of Patent: May 29, 2018Assignee: ELECTRONINKS INCORPORATEDInventor: Steven Brett Walker
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Patent number: 9127180Abstract: A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In particular, the solid ink composition comprises a crystalline compound, an amorphous compound, and an organic pigment, which provides for a robust and fast crystallizing ink.Type: GrantFiled: April 26, 2012Date of Patent: September 8, 2015Assignee: XEROX CORPORATIONInventors: Jennifer L. Belelie, Daryl W. Vanbesien, Gabriel Iftime, Peter G. Odell, Kentaro Morimitsu, Naveen Chopra
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Patent number: 9120943Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises a bio-renewable crystalline component and amorphous component which provides for a robust ink composition. In embodiments, the amorphous component is derived from low cost, stable and bio-renewable materials comprising aromatic rosin esters.Type: GrantFiled: October 15, 2013Date of Patent: September 1, 2015Assignee: XEROX CORPORATIONInventors: Adela Goredema, Jennifer Belelie, James Daniel Mayo, Daryl W. Vanbesien, Barkev Keoshkerian, Nathan Bamsey, Jenny Eliyahu
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Patent number: 9062226Abstract: Compositions of pigment concentrate suitable for phase change ink comprising a an ink base and an amine based dispersant. Particularly, the ink base includes a diester crystalline compound having a structure of Formula I: wherein each R1, R2, R3, and R4 is independently H or alkyl; p is from about 1 to about 40, and q is from about 1 to about 40.Type: GrantFiled: November 19, 2012Date of Patent: June 23, 2015Assignee: XEROX CORPORATIONInventors: Daryl W. Vanbesien, Barkev Keoshkerian, James Daniel Mayo, Adela Goredema, Jennifer L. Belelie
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Patent number: 9051486Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates, and methods for making the same. In embodiments, the crystalline and amorphous components are synthesized from an esterification reaction of tartaric acid with an alcohol.Type: GrantFiled: October 18, 2013Date of Patent: June 9, 2015Assignee: XEROX CORPORATIONInventors: Jennifer L. Belelie, Kentaro Morimitsu, Naveen Chopra, Corey Tracy, Stephan V. Drappel, Peter G. Odell
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Patent number: 9011587Abstract: A phase change ink composition suitable for ink jet printing, including robust printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable materials. In particular, the present embodiments provide novel crystalline compounds with at least two aromatic moieties for use in the phase change inks.Type: GrantFiled: October 14, 2013Date of Patent: April 21, 2015Assignee: Xerox CorporationInventors: Adela Goredema, Guerino G. Sacripante, Barkev Keoshkerian, Daryl W. Vanbesien, Kentaro Morimitsu, Naveen Chopra, Gabriel Iftime
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Patent number: 9005484Abstract: A composition that includes an stabilized silver nanoparticles, a gellant and an optional wax. The gellant and the stabilized silver nanoparticles are soluble or dispersable in either an isoparaffinic hydrocarbon solvent, a mineral oil solvent or an alkane solvent.Type: GrantFiled: March 31, 2009Date of Patent: April 14, 2015Assignee: Xerox CorporationInventors: Marcel P. Breton, Yiliang Wu, Naveen Chopra, Jennifer L. Belelie, Stephan V. Drappel
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Patent number: 8974047Abstract: A phase change ink composition including an ink vehicle; an optional colorant; and ethylene vinyl acetate in an amount of from about 0.1 to about 10 percent by weight based on the total weight of the phase change ink composition.Type: GrantFiled: November 27, 2012Date of Patent: March 10, 2015Assignee: Xerox CorporationInventors: Salma Falah Toosi, Mihaela Maria Birau, Biby Esther Abraham, Stephan V. Drappel, James D. Mayo, Peter G. Odell, Jeffrey H. Banning, Caroline Turek
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Patent number: 8974880Abstract: The invention relates wax blends containing long-chain hydrocarbons and alcohols, to printing ink compositions and thermal transfer ribbons containing the wax blends, and to the use of said wax blends as additives in printing inks.Type: GrantFiled: September 2, 2011Date of Patent: March 10, 2015Assignee: Sasol Wax GmbHInventors: Ulrich Schneider, Uwe Kurras, Thorsten Frick
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Patent number: 8961673Abstract: A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for high speed ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous component comprises a diurethane compound or derivatives thereof.Type: GrantFiled: April 26, 2012Date of Patent: February 24, 2015Assignee: Xerox CorporationInventors: Naveen Chopra, Jeffrey H. Banning, Stephan V. Drappel, Jennifer L. Belelie, Gabriel Iftime, Kentaro Morimitsu, Peter G. Odell
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Publication number: 20150013567Abstract: A process for preparing a pigment dispersion including melting a phase change ink carrier and an optional dispersant at a temperature of from about 100° C. to about 170° C. in a jacketed vessel comprising a jacket surrounding an immersion mill or basket mill attachment and a dispersion blade attachment disposed within the jacketed vessel; mixing the melted phase change ink carrier and optional dispersant with a dispersion blade in the jacketed vessel; adding a pigment to the melted, mixed phase change ink carrier and optional dispersant in the jacketed vessel; wetting the pigment; after pigment wetting, reducing the pigment particle size using an immersion mill or basket mill attachment in the jacketed vessel; and discharging the pigment dispersion.Type: ApplicationFiled: July 12, 2013Publication date: January 15, 2015Inventors: Karina Lopez, Enno Eric Agur, Santiago Faucher, Frank Ping-Hay Lee, Aurelian Valeriu Magdalinis, Biby Esther Abraham, Daniel Lafontaine, Jonathan Lisk
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Patent number: 8920551Abstract: Disclosed is a phase change ink comprising a phase change ink carrier and a colorant compound of the formula wherein X1, X2, and X3 each, independently of the others, is —O—, —S—, —SO—, or —SO2—; R1, R2, and R3 each, independently of the others, is alkyl, aryl, arylalkyl, or alkylaryl as further defined herein; and Z is halogen, —OR4, wherein R4 is alkyl, aryl, arylalkyl, or alkylaryl as further defined herein, wherein R5 is alkyl, aryl, arylalkyl, or alkylaryl as further defined herein, or wherein R6 is alkyl, aryl, arylalkyl, or alkylaryl as further defined herein.Type: GrantFiled: August 28, 2013Date of Patent: December 30, 2014Assignee: Xerox CorporationInventors: Jeffery H. Banning, Wolfgang G. Wedler, Stephan V. Drappel
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Patent number: 8911544Abstract: A phase change ink composition including an amorphous compound; a crystalline compound; an optional synergist; an optional dispersant; and a white colorant having a volume average particle size of from about 25 nanometers to less than 200 nanometers.Type: GrantFiled: March 19, 2013Date of Patent: December 16, 2014Assignee: Xerox CorporationInventors: Naveen Chopra, Srinivasa Rangaraj Deshiikan, Daryl W. Vanbesien, Gabriel Iftime, Daniel Mark Platt
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Patent number: 8911543Abstract: A compound of the formula wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are each independently selected from a member of the group consisting of hydrogen, alkyl, aryl, arylalkyl, alkylaryl, straight-chain hydrocarbon, branched-chain hydrocarbon, halogen, and mixtures thereof; wherein X1, X2, X3, X4, and X5 are each independently selected from a member of the group consisting of hydrogen, alkyl, aryl, arylalkyl, alkylaryl, alkoxyl, aryloxy, straight-chain hydrocarbon, branched-chain hydrocarbon, halogen, and mixtures thereof; and wherein the compound can optionally be a mixture of cis and trans isomers wherein only one of R1 to R10 is a non-hydrogen group.Type: GrantFiled: December 18, 2012Date of Patent: December 16, 2014Assignee: Xerox CorporationInventors: Naveen Chopra, Guerino G. Sacripante, Jordan H. Wosnick
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Patent number: 8894762Abstract: A phase change ink including an amorphous compound; a crystalline compound; an optional colorant; an optional synergist; an optional dispersant; and at least one polyhydroxyalkanoate compound of the formula wherein R is independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, a heteroatom, and combinations thereof; wherein n represents the number of repeating units of from 1 to about 35,000; and wherein x represents an integer from 1 to about 5.Type: GrantFiled: September 24, 2012Date of Patent: November 25, 2014Assignee: Xerox CorporationInventors: Caroline M. Turek, Guerino G. Sacripante, Daryl W. Vanbesien, Corey L. Tracy, C. Geoffrey Allen
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Publication number: 20140338563Abstract: A solid or phase change inkjet ink incorporating a polar acidic wax is described. The use of polar waxes as an ink additive improves the polarity of the ink and adhesion of the ink to paper. A method for applying the solid or phase change ink incorporating an acidic polar wax additive to form an image is also described.Type: ApplicationFiled: July 30, 2014Publication date: November 20, 2014Inventors: Stephan V. Drappel, Peter G. Odell, Marcel P. Breton, Caroline M. Turek, Paul J. McConville, Mojgan Rabbani, Jennifer J. Rea, James R. Larson
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Patent number: 8888907Abstract: A solid ink composition comprising at least one crystalline oxazoline compound and at least one amorphous component derived from a polyol, and a colorant and optional viscosity modifier, which are suitable for inkjet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a solid ink with excellent robustness when forming images or printing on coated paper substrates.Type: GrantFiled: August 2, 2011Date of Patent: November 18, 2014Assignee: Xerox CorporationInventors: Rina Carlini, Adela Goredema, Guerino G. Sacripante, Caroline M. Turek, Edward G. Zwartz
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Patent number: 8882897Abstract: A phase change ink composition suitable for high speed ink jet printing, including printing on coated paper substrates. In particular, the phase change ink composition comprises an aromatic diester crystalline compound and an amorphous compound, and optionally, a colorant, which provides for a robust ink.Type: GrantFiled: April 26, 2012Date of Patent: November 11, 2014Assignee: Xerox CorporationInventors: Kentaro Morimitsu, Jennifer L. Belelie, Naveen Chopra, Gabriel Iftime, Peter G. Odell
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Patent number: 8871014Abstract: A phase change ink composition includes metal nanoparticles, a dispersing agent allowing the metal nanoparticles to be stably dispersed and arranged within the phase change ink composition, and a solvent in which the metal nanoparticles and the dispersing agent are mixed and which comprises at least two sulfur-containing compounds, wherein the phase change ink composition has a melting temperature ranging from 60° C. to 90° C.Type: GrantFiled: August 14, 2013Date of Patent: October 28, 2014Assignee: LG Chem, Ltd.Inventor: Joon-Hyung Kim
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Publication number: 20140285594Abstract: A phase change ink composition is disclosed. The composition comprises a crystalline component including a diamide compound with an aromatic ring core; an amorphous component; and optionally a colorant. Methods of printing the phase change ink composition are also disclosed.Type: ApplicationFiled: March 21, 2013Publication date: September 25, 2014Applicant: XEROX CORPORATIONInventors: Kentaro Morimitsu, Jennifer L. Belelie, Naveen Chopra, Adela Goredema, Gabriel Iftime
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Patent number: 8827393Abstract: A phase change ink composition comprising an amorphous component, a crystalline material, a fluorescent material and optionally, a non-fluorescent colorant, which are suitable for ink jet printing, including printing on coated paper substrates. The novel phase change ink formulation allows the ink to change color when exposed to UV light, reversibly and multiple times, providing an ink suitable for use in security applications.Type: GrantFiled: January 16, 2013Date of Patent: September 9, 2014Assignee: Xerox CorporationInventors: Gabriel Iftime, Daryl W. Vanbesien, Stephan V. Drappel, Jennifer L. Belelle, Adela Goredema
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Patent number: 8815000Abstract: A solid ink composition used for ink jet printing. In particular, the solid inks comprise a liquid crystalline material that can be jetted in a molten, amorphous state at elevated temperatures, electrically poled to align the molecules in an intermediate liquid crystalline state at lower temperatures, and then frozen into a robust, high quality image upon cooling.Type: GrantFiled: February 14, 2013Date of Patent: August 26, 2014Assignee: Xerox CorporationInventors: Guerino G. Sacripante, Stephan V. Drappel, Daryl W. Vanbesien
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Patent number: 8814999Abstract: A phase change ink composition comprising an amorphous component, a crystalline component comprises a sulfone compound or derivatives thereof, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates.Type: GrantFiled: April 26, 2012Date of Patent: August 26, 2014Assignee: Xerox CorporationInventors: Kentaro Morimitsu, Jennifer L. Belelie, Naveen Chopra, Gabriel Iftime, Peter G. Odell
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Patent number: 8808437Abstract: Disclosed is a phase change ink comprising (i) an ink carrier; (ii) a quinacridone pigment; (iii) a synergist of the formula or mixtures thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R10, R11, and x are as defined herein; and (iv) a pigment dispersant; said phase change ink being a solid at about 25° C.Type: GrantFiled: November 26, 2012Date of Patent: August 19, 2014Assignee: Xerox CorporationInventors: Maria M. Birau, C. Geoffrey Allen, Biby E. Abraham, Peter G. Odell
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Patent number: 8808438Abstract: An amorphous compound for use in phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises an amorphous compound and a crystalline compound which is derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.Type: GrantFiled: January 14, 2013Date of Patent: August 19, 2014Assignee: Xerox CorporationInventors: Kentaro Morimitsu, Adela Goredema, Naveen Chopra, Jennifer L. Belelie, James D. Mayo
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Publication number: 20140225956Abstract: A solid ink composition used for ink jet printing. In particular, the solid inks comprise a liquid crystalline material that can be jetted in a molten, amorphous state at elevated temperatures, electrically poled to align the molecules in an intermediate liquid crystalline state at lower temperatures, and then frozen into a robust, high quality image upon cooling.Type: ApplicationFiled: February 14, 2013Publication date: August 14, 2014Applicant: XEROX CORPORATIONInventors: Guerino G. Sacripante, Stephan V. Drappel, Daryl W. Vanbesien
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Patent number: 8791202Abstract: A phase change ink composition including (a) an ink vehicle; (b) a dispersing agent; (c) a colorant; and (d) organic fiber shaped nanowhiskers, inorganic fiber shaped nanowhiskers, or a combination of organic and inorganic fiber shaped nanowhiskers, wherein the organic fiber shaped nanowhiskers, the inorganic fiber shaped nanowhiskers, or a combination thereof, are encapsulated or functionalized to enhance compatibility with the ink vehicle; and wherein the colorant and the organic fiber shaped nanowhiskers, the inorganic fiber shaped nanowhiskers, or combination of organic and inorganic fiber shaped nanowhiskers are substantially resistant to aggregation and settling in the ink vehicle.Type: GrantFiled: April 21, 2008Date of Patent: July 29, 2014Assignee: Xerox CorporationInventors: Marcel P. Breton, Caroline M. Turek
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Patent number: 8784547Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a dye-based solid ink with excellent robustness when forming images or printing on coated paper substrates as well as excellent lightfastness.Type: GrantFiled: June 18, 2012Date of Patent: July 22, 2014Assignee: Xerox CorporationInventors: Daryl W. Vanbesien, Jennifer L. Belelie, Gabriel Iftime, Corey L. Tracy, Nathan M. Bamsey, Caroline M. Turek, Naveen Chopra, Kentaro Morimitsu
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Publication number: 20140198143Abstract: A phase change ink composition comprising an amorphous component, a crystalline material, a fluorescent material and optionally, a non-fluorescent colorant, which are suitable for ink jet printing, including printing on coated paper substrates. The novel phase change ink formulation allows the ink to change color when exposed to UV light, reversibly and multiple times, providing an ink suitable for use in security applications.Type: ApplicationFiled: January 16, 2013Publication date: July 17, 2014Applicant: XEROX CORPORATIONInventors: Gabriel Iftime, Daryl W. Vanbesien, Stephan V. Drappel, Jennifer L. Belelie, Adela Goredema
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Patent number: 8778070Abstract: A solid ink composition includes a crystalline component; an amorphous amide component; and a colorant. The crystalline component includes a mono-amide compound with an aromatic ring core.Type: GrantFiled: February 13, 2013Date of Patent: July 15, 2014Assignee: Xerox CorporationInventors: Naveen Chopra, Adela Goredema, Kentaro Morimitsu, Barkev Keoshkerian, Jennifer L. Belelie, Gabriel Iftime
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Patent number: 8778069Abstract: Disclosed is a phase change ink comprising an ink carrier which comprises a crystalline component and an amorphous rosin ester. In specific embodiments, the crystalline component can be a trans-cinnamic diester, a diester of tartaric acid, or a diurethane. In specific embodiments, the ink exhibits a peak melting point of no more than about 150° C., an onset crystallization temperature of no less than about 60° C., a melt viscosity within the temperature range of from about 100° C. to about 130° C. of from about 5 cps to about 22 cps, a peak solidification viscosity at about 50° C. of no less than about 1×106 cps, and a hardness at about 25° C. of at least about 70.Type: GrantFiled: November 19, 2012Date of Patent: July 15, 2014Assignee: Xerox CorporationInventors: Rina Carlini, Adela Goredema, Edward G. Zwartz, Kentaro Morimitsu, Gial Song
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Patent number: 8772416Abstract: Disclosed herein are ester-terminated polyimide gellant compounds end-caped with isosorbide and UV curable ink compositions containing them.Type: GrantFiled: April 9, 2012Date of Patent: July 8, 2014Assignee: Xerox CorporationInventors: Naveen Chopra, Michelle N. Chrétien, Barkev Keoshkerian, Daryl Vanbesien, Jenny Eliyahu
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Publication number: 20140176652Abstract: A process for preparing a phase change ink including (a) subjecting a white colorant to acoustic mixing at an acceleration of from about 30 to about 110 g; (b) optionally, adding a dispersant and subjecting the white colorant and dispersant to further acoustic mixing at an acceleration of from about 30 to about 110 g; (c) separately melt mixing an optional antioxidant, an optional synergist, and a phase change ink carrier comprising (i) a branched triamide and (ii) a polyethylene wax, a Fischer Tropsch wax, or a mixture or combination thereof, to form a melt mixture; (d) adding the melt mixture of (c) to the acoustically mixed white colorant of (a) or (b) with stirring; (e) optionally, adding a fluorescent dye with stirring; and (d) optionally, filtering the phase change ink.Type: ApplicationFiled: December 21, 2012Publication date: June 26, 2014Applicant: XEROX CORPORATIONInventors: Salma Falah Toosi, Mihaela Maria Birau, Biby Esther Abraham, Gabriel Iftime, James D. Mayo, C. Geoffrey Allen
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Patent number: 8758494Abstract: A solid ink composition comprises a crystalline compound, an amorphous compound and a pigment concentrate. The pigment concentrate includes a diester crystalline compound, a dispersant and a pigment (magenta/yellow). The incorporation of such pigment concentrate in the solid ink composition produces a stable ink.Type: GrantFiled: November 19, 2012Date of Patent: June 24, 2014Assignee: Xerox CorporationInventors: Daryl W. Vanbesien, Barkev Keoshkerian, James Daniel Mayo, Adela Goredema, Jennifer L. Belelie
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Patent number: 8753441Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable and recycled starting materials. The composition provides for a robust, rapid crystallization ink composition.Type: GrantFiled: November 19, 2012Date of Patent: June 17, 2014Assignee: Xerox CorporationInventors: Daryl W. Vanbesien, Guerino G. Sacripante, Adela Goredema, Naveen Chopra, Gabriel Iftime
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Patent number: 8747536Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. The present embodiments provide an ink composition including a component that is substantially amorphous, the component comprising at least one non-ester material and at least one ester of malic acid having a formula of wherein R1 and R2 each, independently of the other, is an alkyl group, and further wherein the alkyl portion can be straight, branched or cyclic, saturated or unsaturated, substituted or unsubstituted, having from 1 to about 40 carbon atoms, an substituted or unsubstituted aromatic or heteroaromatic group, and mixtures thereof.Type: GrantFiled: January 31, 2013Date of Patent: June 10, 2014Assignee: Xerox CorporationInventors: Kentaro Morimitsu, Adela Goredema, Naveen Chopra, Jennifer Belelie, Daryl W. Vanbesien
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Patent number: 8747535Abstract: Ink compositions include an amorphous component, a crystalline material, and optionally a colorant. The amorphous component exhibits improved thermal stability and improved distribution in ink preparations; an ink composition includes an amorphous component including a modified polyol and a crystalline component, the modified polyol includes a bio-renewable content of at least 35% by weight.Type: GrantFiled: January 18, 2013Date of Patent: June 10, 2014Assignee: Xerox CorporationInventors: Naveen Chopra, Guerino Sacripante, Adela Goredema, Kentaro Morimitsu, Stephan Drappel, Jeffrey Banning
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Patent number: 8741040Abstract: A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In particular, the crystalline component comprises an aromatic ether.Type: GrantFiled: April 26, 2012Date of Patent: June 3, 2014Assignee: Xerox CorporationInventors: Kentaro Morimitsu, Jennifer L. Belelie, Naveen Chopra, Stephan V. Drappel, Corey L. Tracy, Peter G. Odell, Gabriel Iftime
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Patent number: 8741041Abstract: A phase change ink composition includes a carrier; an optional colorant; and a lignosulfonate compound of the formula wherein R is hydrogen or and wherein the cationic counterion+ is a nitrogen-alkyl cationic counterion, a nitrogen-aryl cationic counterion, a nitrogen-alkylaryl cationic counterion, or a nitrogen arylalkyl cationic counterion; and wherein the cationic counterion contains at least eight carbon atoms.Type: GrantFiled: August 3, 2012Date of Patent: June 3, 2014Assignee: Xerox CorporationInventors: Mihaela Maria Birau, C. Geoffrey Allen, Salma Falah Toosi, Biby Esther Abraham, Peter G. Odell
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Patent number: 8741044Abstract: Disclosure herein are cycylhexyl-mannitol diketal derivatives as vehicle modifiers and gelators having a formula of: wherein each R1 and R2 is independently alkyl, aryl, arylalkyl, alkaryl, or halogen; m is from 1 to 10; and n is from 1 to 10.Type: GrantFiled: January 18, 2013Date of Patent: June 3, 2014Assignee: Xerox CorporationInventors: Naveen Chopra, Guerino Sacripante
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Patent number: 8741043Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.Type: GrantFiled: November 19, 2012Date of Patent: June 3, 2014Assignee: Xerox CorporationInventors: Adela Goredema, Jennifer L. Belelie, Kentaro Morimitsu, Guerino G. Sacripante, Gabriel Iftime, Caroline M. Turek, Corey L. Tracy, Nathan M. Bamsey
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Patent number: 8741042Abstract: A phase change ink comprising an amorphous compound; a crystalline compound; an optional dispersant; an optional synergist; an optional colorant; and an alcohol having a long alkyl chain containing from about 10 to about 80 carbon atoms.Type: GrantFiled: October 28, 2012Date of Patent: June 3, 2014Assignee: Xerox CorporationInventors: Daryl W. Vanbesien, Caroline M. Turek, Nathan Mark Bamsey, Corey L. Tracy, Naveen Chopra, Jennifer L. Belelie, Gabriel Iftime
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Publication number: 20140144348Abstract: Disclosed is a phase change ink comprising (i) an ink carrier; (ii) a quinacridone pigment; (iii) a synergist of the formula or mixtures thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R10, R11, and x are as defined herein; and (iv) a pigment dispersant; said phase change ink being a solid at about 25° C.Type: ApplicationFiled: November 26, 2012Publication date: May 29, 2014Applicant: XEROX CORPORATIONInventors: Maria M. Birau, C. Geoffrey Allen, Biby E. Abraham, Peter G. Odell
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Patent number: 8721782Abstract: A phase change ink formulation comprising an ink base, carbon black pigment and a poly(hydroxystearic acid) derived dispersant.Type: GrantFiled: February 8, 2013Date of Patent: May 13, 2014Assignee: Xerox CorporationInventors: Randall Ray Bridgeman, Michael Meinhardt, Scott Broce, Kelley Moore, Anthony Yesnach, Jule W. Thomas, Jr.
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Patent number: 8703841Abstract: The invention provides an ink composition comprising a colorant, water and wax particles, the wax particles comprising at least two kinds of wax; an ink set including the ink composition; and a method of forming an image using the ink composition.Type: GrantFiled: June 30, 2011Date of Patent: April 22, 2014Assignee: FUJIFILM CorporationInventor: Terukazu Yanagi
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Patent number: 8696101Abstract: A photopolymerizable inkjet black ink having a viscosity not greater than 20 mPa·s at 60° C., including a clear ink having a viscosity not greater than 15 mPa·s at 60° C. including a photopolymerizable monomer having a Stimulation Index (SI value) less than 3 when subjected to a skin sensitization test (LLNA method) and a polymerization initiator without including carbon black and insolubles; and a carbon black in an amount not greater than 7% by weight.Type: GrantFiled: February 2, 2012Date of Patent: April 15, 2014Assignee: Ricoh Company, Ltd.Inventors: Takao Hiraoka, Tomoko Hasegawa, Tsutomu Maekawa
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Publication number: 20140092182Abstract: A phase change ink composition including a pigment; a carrier; a dispersant; and a copper phthalocyanine synergist having a carboxylic acid group thereon.Type: ApplicationFiled: October 2, 2012Publication date: April 3, 2014Applicant: XEROX CORPORATIONInventors: James D. Mayo, C. Geoffrey Allen, Salma Falah Toosi, Mihaela Maria Birau, Caroline Turek
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Publication number: 20140092165Abstract: A phase change ink composition including a pigment; a carrier; a dispersant; and a synergist, (a) wherein, for a given sample of the synergist, about 80 to about 100 percent of the sample has a volume average particle diameter of about 50 to about 200 nanometers; (b) wherein the synergist has a surface area of about 30 to about 100 m2/gram; and (c) wherein the synergist has a density of above about 0.6 to about 2 grams/cm3.Type: ApplicationFiled: October 2, 2012Publication date: April 3, 2014Applicant: Xerox CorporationInventors: James D. Mayo, C. Geoffrey Allen, Salma Falah Toosi, Mihaela Maria Birau, Biby Esther Abraham