Patents by Inventor Melanie L. Davis

Melanie L. Davis 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).

  • Toner compositions with white colorants and processes of making thereof
    Patent number: 10705442
    Abstract: The present disclosure relates to toner compositions containing a high loading of white colorant of greater than 30 weight % by weight of the toner and processes thereof. The toner exhibits a lightness (L*) of at least 75.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: July 7, 2020
    Assignee: XEROX CORPORATION
    Inventors: Karen A. Moffat, David J. W. Lawton, Melanie L. Davis, Juan A. Morales-Tirado, Varun Sambhy
  • TONER COMPOSITIONS WITH WHITE COLORANTS AND PROCESSES OF MAKING THEREOF
    Publication number: 20180173128
    Abstract: The present disclosure relates to toner compositions containing a high loading of white colorant of greater than 30 weight % by weight of the toner and processes thereof. The toner exhibits a lightness (L*) of at least 75.
    Type: Application
    Filed: February 1, 2018
    Publication date: June 21, 2018
    Inventors: Karen A. Moffat, David J.W. Lawton, Melanie L. Davis, Juan A. Morales-Tirado, Varun Sambhy
  • TONER COMPOSITIONS WITH WHITE COLORANTS AND PROCESSES OF MAKING THEREOF
    Publication number: 20180173127
    Abstract: The present disclosure relates to toner compositions containing a high loading of white colorant of greater than 30 weight % by weight of the toner and processes thereof. The toner exhibits a lightness (L*) of at least 70 and, in further embodiments, at least 75.
    Type: Application
    Filed: February 1, 2018
    Publication date: June 21, 2018
    Inventors: KAREN A. MOFFAT, DAVID J.W. LAWTON, MELANIE L. DAVIS, JUAN A. MORALES-TIRADO, VARUN SAMBHY, RICHARD P.N. VEREGIN
  • TONER COMPOSITIONS WITH WHITE COLORANTS AND PROCESSES OF MAKING THEREOF
    Publication number: 20180157187
    Abstract: The present disclosure relates to toner compositions containing a high loading of white colorant of greater than 30 weight % by weight of the toner and processes thereof. The toner exhibits a lightness (L*) of at least 75.
    Type: Application
    Filed: February 1, 2018
    Publication date: June 7, 2018
    Inventors: KAREN A. MOFFAT, DAVID J.W. LAWTON, MELANIE L. DAVIS, JUAN A. MORALES-TIRADO, VARUN SAMBHY, RICHARD P.N. VEREGIN
  • TONER COMPOSITIONS WITH WHITE COLORANTS AND PROCESSES OF MAKING THEREOF
    Publication number: 20180039194
    Abstract: The present disclosure relates to toner compositions containing a high loading of white colorant of greater than 30 weight % by weight of the toner and processes thereof. The toner exhibits a lightness (L*) of at least 75.
    Type: Application
    Filed: August 3, 2016
    Publication date: February 8, 2018
    Inventors: Karen A. MOFFAT, DAVID J.W. LAWTON, MELANIE L. DAVIS, JUAN A. MORALES-TIRADO, VARUN SAMBHY
  • Continuous Coalescence Process for Sustainable Toner
    Publication number: 20170003609
    Abstract: A continuous coalescence process for preparing a sustainable toner is described which features toner with lowered melt properties and higher toner surface carbon to oxygen (C/O) ratios than previously described sustainable resins coalesced in a batch reactor.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 5, 2017
    Inventors: David J.W. Lawton, Ke Zhou, Kimberly D. Nosella, Melanie L. Davis, Guerino G. Sacripante, Richard P.N. Veregin
  • Continuous coalescence process for sustainable toner
    Patent number: 9535348
    Abstract: A continuous coalescence process for preparing a sustainable toner is described which features toner with lowered melt properties and higher toner surface carbon to oxygen (C/O) ratios than previously described sustainable resins coalesced in a batch reactor.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: January 3, 2017
    Assignee: Xerox Corporation
    Inventors: David J W Lawton, Ke Zhou, Kimberly D Nosella, Melanie L Davis, Guerino G Sacripante, Richard P N Veregin
  • Hyperpigmented Glossy EA Toner
    Publication number: 20150153663
    Abstract: An emulsion aggregation toner process that does not require addition of base to freeze toner particle growth is described.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 4, 2015
    Applicant: Xerox Corporation
    Inventors: Abdisamed Sheik-Qasim, Richard PN Veregin, Mark R Elliott, Melanie L Davis, Shigang Qiu, Jay L Schneider, Randy P Tin, Magid Kamel, Cuong Vong, Edward G Zwartz
  • Toner processes for hyper-pigmented toners
    Patent number: 9023574
    Abstract: The present embodiments relate to processes of preparing toner particles. More specifically, the processes produce toner particles having high pigment loadings and desired circularity. The processes include diluting the aggregated particulate mixture prior to coalescence.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 5, 2015
    Assignee: Xerox Corporation
    Inventors: Jordan H. Wosnick, Melanie L. Davis, David J. W. Lawton
  • TONER PROCESSES FOR HYPER-PIGMENTED TONERS
    Publication number: 20150004542
    Abstract: The present embodiments relate to processes of preparing toner particles. More specifically, the processes produce toner particles having high pigment loadings and desired circularity. The processes include diluting the aggregated particulate mixture prior to coalescence.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 1, 2015
    Inventors: Jordan H. Wosnick, Melanie L. Davis, David J.W. Lawton
  • Toner particles and cold homogenization method
    Patent number: 8486602
    Abstract: A method of making toner particles, including cold homogenizing at a temperature below room temperature a resin emulsion, a colorant, an optional wax, and optional additives with a coagulant to form a toner slurry; heating the toner slurry to form aggregated toner particles; freezing aggregation of the particles in the slurry once at a desired aggregated particle size; and further heating the aggregated particles in the slurry to coalesce the aggregated particles into toner particles.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: July 16, 2013
    Assignee: Xerox Corporation
    Inventors: Kimberly D. Nosella, Tie Hwee Ng, Allan K. Chen, Abdisamed Sheik-Qasim, Melanie L. Davis
  • Method for controlling a toner preparation process
    Patent number: 8450040
    Abstract: A method of making toner particles, including mixing at least one emulsion of at least one resin, a colorant, an optional wax, and optional additives to form a slurry; heating the slurry to form aggregated particles in the slurry; freezing aggregation of the particles with a buffer solution; and heating the aggregated particles in the slurry to coalesce the particles into toner particles.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: May 28, 2013
    Assignee: Xerox Corporation
    Inventors: Kimberly D. Nosella, Allan K. Chen, Abdisamed Sheik-Qasim, Melanie L. Davis, Zhen Lai
  • Method for controlling a toner preparation process
    Patent number: 8142975
    Abstract: A method of making toner particles, including mixing at least one emulsion of at least one resin, a colorant, an optional wax, and optional additives to form a slurry; heating the slurry to form aggregated particles in the slurry; freezing aggregation of the particles by adjusting the pH; and heating the aggregated particles in the slurry to coalesce the particles into toner particles.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: March 27, 2012
    Assignee: Xerox Corporation
    Inventors: Daryl W. Vanbesien, Paul Gerroir, Karen A. Moffat, Melanie L. Davis, Abdisamed Sheik-Qasim, David Kurceba, Faisal Shamshad, Michael D'Amato, Juan A. Morales-Tirado
  • METHOD FOR CONTROLLING A TONER PREPARATION PROCESS
    Publication number: 20110318685
    Abstract: A method of making toner particles, including mixing at least one emulsion of at least one resin, a colorant, an optional wax, and optional additives to form a slurry; heating the slurry to form aggregated particles in the slurry; freezing aggregation of the particles by adjusting the pH; and heating the aggregated particles in the slurry to coalesce the particles into toner particles.
    Type: Application
    Filed: June 29, 2010
    Publication date: December 29, 2011
    Applicant: XEROX CORPORATION
    Inventors: Daryl W. Vanbesien, Paul Gerroir, Karen A. Moffat, Melanie L. Davis, Abdisamed Sheik-Qasim, David Kurceba, Faisal Shamshad, Michael D'Amato, Juan A. Morales-Tirado
  • TONER PARTICLES AND COLD HOMOGENIZATION METHOD
    Publication number: 20110097665
    Abstract: A method of making toner particles, including cold homogenizing at a temperature below room temperature a resin emulsion, a colorant, an optional wax, and optional additives with a coagulant to form a toner slurry; heating the toner slurry to form aggregated toner particles; freezing aggregation of the particles in the slurry once at a desired aggregated particle size; and further heating the aggregated particles in the slurry to coalesce the aggregated particles into toner particles.
    Type: Application
    Filed: October 22, 2009
    Publication date: April 28, 2011
    Applicant: XEROX CORPORATION
    Inventors: Kimberly D. Nosella, Tie Hwee Ng, Allan K. Chen, Abdisamed Sheik-Qasim, Melanie L. Davis
  • METHOD FOR CONTROLLING A TONER PREPARATION PROCESS
    Publication number: 20110097664
    Abstract: A method of making toner particles, including mixing at least one emulsion of at least one resin, a colorant, an optional wax, and optional additives to form a slurry; heating the slurry to form aggregated particles in the slurry; freezing aggregation of the particles with a buffer solution; and heating the aggregated particles in the slurry to coalesce the particles into toner particles.
    Type: Application
    Filed: October 22, 2009
    Publication date: April 28, 2011
    Applicant: XEROX CORPORATION
    Inventors: Kimberly D. NOSELLA, Allan K. Chen, Abdisamed SHEIK-QASIM, Melanie L. DAVIS, Zhen LAI