Patents by Inventor Geoffrey Allen

Geoffrey Allen 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).

  • Phase Change Inks Containing Novel Synergist
    Publication number: 20140092182
    Abstract: A phase change ink composition including a pigment; a carrier; a dispersant; and a copper phthalocyanine synergist having a carboxylic acid group thereon.
    Type: Application
    Filed: October 2, 2012
    Publication date: April 3, 2014
    Applicant: XEROX CORPORATION
    Inventors: James D. Mayo, C. Geoffrey Allen, Salma Falah Toosi, Mihaela Maria Birau, Caroline Turek
  • Radiation curable red gel ink formulations
    Patent number: 8686062
    Abstract: A radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator, and a colorant, the colorant includes an orange colorant and an red colorant, where the orange colorant absorbs light having a wavelength of from about 400 to about 560 nm, and where the red colorant absorbs light having a wavelength of from about 460 to 580 nm. The ink substantially matches PANTONE® Red 032 or PANTONE® Warm Red.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 1, 2014
    Assignee: Xerox Corporation
    Inventors: Valerie M Farrugia, C Geoffrey Allen, Jordan H Wosnick, Eric Rotberg, Karen A Moffat, Richard P N Veregin, Suxia Yang, Barkev Keoshkerian, Biby E Abraham
  • Phase Change Ink Comprising A Polyhydroxyalkanoate Compound
    Publication number: 20140083325
    Abstract: 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: Application
    Filed: September 24, 2012
    Publication date: March 27, 2014
    Applicant: XEROX CORPORATION
    Inventors: Caroline M. Turek, Guerino G. Sacripante, Daryl W. Vanbesien, Corey L. Tracy, C. Geoffrey Allen
  • Phase Change Ink with Compostable Wax
    Publication number: 20140073723
    Abstract: Disclosed is a phase change ink comprising: (a) an ink carrier comprising a compostable paraffin or polymethylene wax; and (b) a colorant.
    Type: Application
    Filed: September 12, 2012
    Publication date: March 13, 2014
    Applicant: XEROX CORPORATION
    Inventors: Salma F. Toosi, Maria M. Birau, Biby E. Abraham, James D. Mayo, Peter G. Odell, C. Geoffrey Allen
  • Phase Change Ink Compositions For Image Robustness
    Publication number: 20140071213
    Abstract: A phase change ink composition including a carrier; a colorant; and an acidic wax which is present in an amount of 0.1 to less than about 6 percent by weight based on the total weight of the phase change ink composition.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 13, 2014
    Applicant: XEROX CORPORATION
    Inventors: Salma Falah Toosi, Mihaela Maria Birau, C. Geoffrey Allen, Christopher A. Wagner, Biby Esther Abraham, Peter G. Odell
  • Phase change magnetic ink comprising carbon coated magnetic nanoparticles and process for preparing same
    Patent number: 8657431
    Abstract: A phase change magnetic ink including a phase change ink carrier; an optional colorant; an optional dispersant; an optional synergist; an optional antioxidant; and a carbon coated magnetic nanoparticle comprising a magnetic core and a carbon shell disposed thereover.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: February 25, 2014
    Assignee: Xerox Corporation
    Inventors: Gabriel Iftime, C. Geoffrey Allen, Peter G. Odell, Richard P. N. Veregin, Marcel P. Breton
  • Ink compositions
    Patent number: 8652575
    Abstract: A light-cyan solid ink including an ink vehicle and a colorant. The colorant includes a cyan colorant, a hue-adjusting colorant that absorbs light having a wavelength of from about 500 to about 600 nm, and an optional shade-adjusting colorant that absorbs light having a wavelength of from about 400 to about 500 nm.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: February 18, 2014
    Assignee: Xerox Corporation
    Inventors: Daryl W. Vanbesien, Edul N. Dalal, Karen A. Moffat, Raymond W. Wong, C. Geoffrey Allen, Maria Mihaela Birau, Richard P. N. Veregin, Jordan H. Wosnick, Valerie M. Farrugia
  • Phase change ink comprising a modified polysaccharide composition
    Patent number: 8647422
    Abstract: A phase change ink composition comprising a wax; an optional colorant; and a modified polysaccharide salt.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: February 11, 2014
    Assignee: Xerox Corporation
    Inventors: Salma Falah Toosi, Mihaela Maria Birau, Biby Esther Abraham, Christopher A. Wagner, C. Geoffrey Allen, Peter G. Odell
  • Lignosulfonate Compounds For Solid Ink Applications
    Publication number: 20140039168
    Abstract: A lignosulfonate compound for phase change ink 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: Application
    Filed: August 3, 2012
    Publication date: February 6, 2014
    Applicant: Xerox Corporation
    Inventors: Mihaela Maria Birau, C. Geoffrey Allen, Salma Falah Toosi, Biby Esther Abraham, Peter G. Odell
  • Phase Change Ink Compositions Containing Lignosulfonate Compounds
    Publication number: 20140035994
    Abstract: 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: Application
    Filed: August 3, 2012
    Publication date: February 6, 2014
    Applicant: Xerox Corporation
    Inventors: Mihaela Maria Birau, C. Geoffrey Allen, Salma Falah Toosi, Biby Esther Abraham, Peter G. Odell
  • Phase change ink comprising colorants derived from plants and insects
    Patent number: 8616693
    Abstract: 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: Grant
    Filed: November 30, 2012
    Date of Patent: December 31, 2013
    Assignee: Xerox Corporation
    Inventors: Salma Falah Toosi, Mihaela Maria Birau, C. Geoffrey Allen, Biby Esther Abraham, Peter G. Odell, Caroline Turek
  • Toner having titania and processes thereof
    Patent number: 8617780
    Abstract: The present disclosure provides white toner compositions and processes for making same. In embodiments, a desirable white toner may be produced without having to resort to excessive pigment loading, having desirable gloss characteristics.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: December 31, 2013
    Assignee: Xerox Corporation
    Inventors: Yi Xin Gong, Daryl W. Vanbesien, Shigang Qiu, Edward Graham Zwartz, Karen Ann Moffat, Richard P. N. Veregin, Cuong Vong, C. Geoffrey Allen
  • RECOMMENDED CONTENT FOR AN ENDORSEMENT USER INTERFACE
    Publication number: 20130346877
    Abstract: In one aspect, a system for providing a user interface including recommended content in response to an endorsement input is described. The system includes a processor and a memory storing instructions that, when executed, causes the system to: receive an input from a first user; determine that the input is related to an endorsement of a first content item from a first source; determine a social correlation between the first content item and a second content item from a second source, determine a source correlation between the first source and the second source, determine recommended content using the social correlation and the source correlation and provide the recommended content to the first user.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 26, 2013
    Applicant: Google Inc.
    Inventors: Richard Daniel Borovoy, Lucy Elsbeth Hadden, Geoffrey Allen Borggaard, Julie Heather Farago, Evan Gilbert, Jeremy Faller, Mark Fickett
  • Phase Change Magnetic Ink And Process For Preparing Same
    Publication number: 20130335477
    Abstract: 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: Application
    Filed: August 21, 2013
    Publication date: December 19, 2013
    Applicant: Xerox Corporation
    Inventors: Gabriel Iftime, C. Geoffrey Allen, Peter G. Odell, Caroline Turek
  • Solvent-based inks comprising coated magnetic nanoparticles
    Patent number: 8597420
    Abstract: Solvent-based ink compositions which can be used for ink jet printing in a variety of applications. In particular, the present embodiments are directed to magnetic inks having desirable ink properties. The ink of the present embodiments comprises magnetic nanoparticles that are coated with various materials to prevent the exposure of the nanoparticles to oxygen, and provides robust prints.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: December 3, 2013
    Assignee: Xerox Corporation
    Inventors: Gabriel Iftime, Peter G. Odell, C. Geoffrey Allen, Marcel P. Breton, Richard P. N. Veregin
  • INK FOR DIGITAL OFFSET PRINTING APPLICATIONS
    Publication number: 20130309397
    Abstract: An ink composition useful for digital offset printing applications comprises a colorant and a plurality of curable compounds. The compounds have Hansen solubility parameters as described herein, and the resulting ink composition is both compatible with certain dampening fluids and has certain rheological properties, including a low viscosity.
    Type: Application
    Filed: May 17, 2012
    Publication date: November 21, 2013
    Applicants: Palo Alto Research Center Incorporated, Xerox Corporation
    Inventors: Marcel P. Breton, Frank Ping-Hay Lee, Aurelian Valeriu Magdalinis, Bing R. Hsieh, Stephan Drappel, Timothy D. Stowe, C. Geoffrey Allen, Peter Gordon Odell
  • FLUORESCENT SECURITY ENABLED INK FOR DIGITAL OFFSET PRINTING APPLICATIONS
    Publication number: 20130305946
    Abstract: An ink composition useful for digital offset printing applications comprises a fluorescent colorant and a plurality of curable compounds. The compounds have Hansen solubility parameters as described herein, and the resulting ink composition is both compatible with certain dampening fluids and has certain rheological properties, including a low viscosity. The fluorescent ink composition is useful for printing security features at high speed in short runs with customized data to produce anti-counterfeit packaging.
    Type: Application
    Filed: May 17, 2012
    Publication date: November 21, 2013
    Applicant: XEROX CORPORATION
    Inventors: Gabriel Iftime, Marcel P. Breton, Frank Ping-Hay Lee, Aurelian Valeriu Magdalinis, C. Geoffrey Allen, Peter Gordon Odell, Carolyn Moorlag
  • Fluorescent solid ink made with fluorescent nanoparticles
    Patent number: 8586141
    Abstract: A nonpolar or solid (or phase change) ink composition that includes a carrier and at least one nanoscale fluorescent pigment particle composition and/or a fluorescent organic nanoparticle composition. The fluorescent organic nanoparticle composition includes a polymeric matrix obtained by modified EA latex process and/or emulsion polymerization and one or more fluorescent dyes and the nanoscale fluorescent pigment particle composition includes pigment molecules with at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: November 19, 2013
    Assignee: Xerox Corporation
    Inventors: Maria M. Birau, Gabriel Iftime, Daryl W. Vanbesien, Jordan H. Wosnick, Christopher A. Wagner, C. Geoffrey Allen
  • PHASE CHANGE INK COMPOSITIONS AND SULFONATED COMPOUNDS FOR USE IN THE SAME
    Publication number: 20130276666
    Abstract: A phase change ink composition, comprising an anti-drool additive to prevent and/or reduce printhead and nozzle contamination in ink jet printers caused by drooling and fouling of the faceplate by the ink. In particular, there is provided sulfonated small molecules for use in phase change ink compositions and which are compatible with phase change ink components.
    Type: Application
    Filed: April 23, 2012
    Publication date: October 24, 2013
    Applicant: XEROX CORPORATION
    Inventors: Mihaela Maria Birau, Salma Falah Toosi, C. Geoffrey Allen, Biby Abraham, James D. Mayo, Peter G. Odell
  • Phase change ink compositions and sulfonated compounds for use in the same
    Patent number: 8545612
    Abstract: A phase change ink composition, comprising an anti-drool additive to prevent and/or reduce printhead and nozzle contamination in ink jet printers caused by drooling and fouling of the faceplate by the ink. In particular, there is provided sulfonated small molecules for use in phase change ink compositions and which are compatible with phase change ink components.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: October 1, 2013
    Assignee: Xerox Corporation
    Inventors: Mihaela Maria Birau, Salma Falah Toosi, C. Geoffrey Allen, Biby Abraham, James D. Mayo, Peter G. Odell