Patents by Inventor Caroline Turek
Caroline Turek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9328251Abstract: An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.Type: GrantFiled: August 21, 2013Date of Patent: May 3, 2016Assignee: Xerox CorporationInventors: Gabriel Iftime, C. Geoffrey Allen, Peter G. Odell, Caroline Turek
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Patent number: 9090758Abstract: A phase change ink composition comprising an ink vehicle; an optional dispersant; and a modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles.Type: GrantFiled: November 30, 2012Date of Patent: July 28, 2015Assignee: Xerox CorporationInventors: Salma Falah Toosi, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Biby Esther Abraham, Peter G. Odell, Nathan Mark Bamsey, Gabriel Iftime
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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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Publication number: 20140152748Abstract: A phase change ink composition comprising an ink vehicle; an optional dispersant; and a modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Applicant: XEROX CORPORATIONInventors: Salma Falah Toosi, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Biby Esther Abraham, Peter G. Odell, Nathan Mark Bamsey, Gabriel Iftime
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Publication number: 20140146114Abstract: 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: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Applicant: 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: 8714724Abstract: A phase change ink composition including a pigment; a carrier; a dispersant; and a copper phthalocyanine synergist having a carboxylic acid group thereon.Type: GrantFiled: October 2, 2012Date of Patent: May 6, 2014Assignee: Xerox CorporationInventors: James D. Mayo, C. Geoffrey Allen, Salma Falah Toosi, Mihaela Maria Birau, Caroline Turek
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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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Patent number: 8616693Abstract: A phase change ink composition including a wax; an optional dispersant; an optional synergist; and a naturally-derived colorant wherein the naturally-derived colorant is a colorant derived from a plant, a colorant derived from an insect, or a mixture or combination thereof.Type: GrantFiled: November 30, 2012Date of Patent: December 31, 2013Assignee: Xerox CorporationInventors: Salma Falah Toosi, Mihaela Maria Birau, C. Geoffrey Allen, Biby Esther Abraham, Peter G. Odell, Caroline Turek
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Publication number: 20130335477Abstract: An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.Type: ApplicationFiled: August 21, 2013Publication date: December 19, 2013Applicant: Xerox CorporationInventors: Gabriel Iftime, C. Geoffrey Allen, Peter G. Odell, Caroline Turek
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Patent number: 8544999Abstract: An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.Type: GrantFiled: December 22, 2010Date of Patent: October 1, 2013Assignee: Xerox CorporationInventors: Gabriel Iftime, C. Geoffrey Allen, Peter G. Odell, Caroline Turek
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Patent number: 8507041Abstract: An ink comprising an ink vehicle; pigment particles; and a dispersant; wherein the dispersant stabilizes the pigment particles; and wherein the dispersant is a compound of the formula or a mixture thereof, wherein R and R? are independently selected from alkyl, arylalkyl, or alkylaryl with from about 18 to about 60 carbon atoms and wherein m is an integer of from about 1 to about 30.Type: GrantFiled: December 18, 2009Date of Patent: August 13, 2013Assignee: Xerox CorporationInventors: Adela Goredema, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Maxine E. Haberl, Christopher Wagner, Raymond Wan-Ning Wong, Peter G. Odell
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Patent number: 8360546Abstract: An in situ process for preparing a phase change magnetic ink including combining a phase change ink composition with a reducing agent; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant, and wherein the reducing agent has at least one alcohol functionality; heating the combined phase ink composition and reducing agent to a first temperature sufficient to provide a melt composition; adding a metal salt to the melt composition under an inert atmosphere to provide a metal salt-melt composition; heating the metal salt-melt composition to a second temperature sufficient to effect a metal reduction reaction to reduce the metal salt to metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; cooling the phase change magnetic ink to a solid state.Type: GrantFiled: December 22, 2010Date of Patent: January 29, 2013Assignee: Xerox CorporationInventors: Gabriel Iftime, C. Geoffrey Allen, Caroline Turek, Peter G. Odell
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Patent number: 8287963Abstract: Provided are compositions and methods for making an erasable medium that can include an aqueous photochromic emulsion including a photochromic polymer, a polymer binder, and water.Type: GrantFiled: August 11, 2010Date of Patent: October 16, 2012Assignee: Xerox CorporationInventors: Gabriel Iftime, Jason Leong, Daryl Vanbesien, Caroline Turek, Gail Song, Kentaro Morimitsu, Adela Goredema, Peter M. Kazmaier
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Publication number: 20120162306Abstract: An in situ process for preparing a phase change magnetic ink including combining a phase change ink composition with a reducing agent; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant, and wherein the reducing agent has at least one alcohol functionality; heating the combined phase ink composition and reducing agent to a first temperature sufficient to provide a melt composition; adding a metal salt to the melt composition under an inert atmosphere to provide a metal salt-melt composition; heating the metal salt-melt composition to a second temperature sufficient to effect a metal reduction reaction to reduce the metal salt to metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; cooling the phase change magnetic ink to a solid state.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicant: Xerox CorporationInventors: Gabriel Iftime, C. Geoffrey Allen, Caroline Turek, Peter G. Odell
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Publication number: 20120162330Abstract: An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicant: Xerox CorporationInventors: Gabriel Iftime, C. Geoffrey Allen, Peter G. Odell, Caroline Turek
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Publication number: 20120040199Abstract: Provided are compositions and methods for making an erasable medium that can include an aqueous photochromic emulsion including a photochromic polymer, a polymer binder, and water.Type: ApplicationFiled: August 11, 2010Publication date: February 16, 2012Applicant: XEROX CORPORATIONInventors: Gabriel IFTIME, Jason Leong, Daryl Vanbesien, Caroline Turek, Gail Song, Kentaro Morimitsu, Adela Goredema, Peter Kazmaier
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Patent number: 7973186Abstract: Disclosed is a compound of the formula or a mixture thereof; wherein R and R? are the same or different, and wherein R and R? are independently selected from an alkyl group, an arylalkyl group, or an alkylaryl group, wherein the alkyl group, the arylalkyl group, or the alkylaryl group has from about 18 to about 60 carbon atoms; and wherein m is an integer of from about 1 to about 30.Type: GrantFiled: December 18, 2009Date of Patent: July 5, 2011Assignee: Xerox CorporationInventors: Adela Goredema, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Maxine E. Haberl, Carol A. Jennings, Peter G. Odell
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Publication number: 20110146537Abstract: Disclosed is a compound of the formula or a mixture thereof; wherein R and R? are the same or different, and wherein R and R? are independently selected from an alkyl group, an arylalkyl group, or an alkylaryl group, wherein the alkyl group, the arylalkyl group, or the alkylaryl group has from about 18 to about 60 carbon atoms; and wherein m is an integer of from about 1 to about 30.Type: ApplicationFiled: December 18, 2009Publication date: June 23, 2011Applicant: Xerox CorporationInventors: Adela Goredema, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Maxine E. Haberl, Carol A. Jennings, Peter G. Odell
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Publication number: 20110151123Abstract: An ink comprising an ink vehicle; pigment particles; and a dispersant; wherein the dispersant stabilizes the pigment particles; and wherein the dispersant is a compound of the formula or a mixture thereof, wherein R and R? are independently selected from alkyl, arylalkyl, or alkylaryl with from about 18 to about 60 carbon atoms and wherein m is an integer of from about 1 to about 30.Type: ApplicationFiled: December 18, 2009Publication date: June 23, 2011Applicant: Xerox CorporationInventors: Adela Goredema, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Maxine E. Haberl, Christopher Wagner, Raymond Wan-Ning Wong, Peter G. Odell
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Patent number: 7655084Abstract: Disclosed is a phase change carbon black ink composition comprising 1) a low polarity ink carrier comprising (A) a low polarity wax, optionally (B) an ester-terminated polyamide, (2) a dispersant, and (3) a carbon black colorant. The ink can be resistant to substantial aggregation and settling of the carbon black colorant in the melt and up to about the jetting temperature of the ink even when exposed to freeze thaw cycles.Type: GrantFiled: December 12, 2005Date of Patent: February 2, 2010Assignee: Xerox CorporationInventors: Raymond W. Wong, Marcel P. Breton, Christine E. Bedford, Adela Goredema, Caroline Turek