Patents by Inventor Maura Sweeney

Maura Sweeney 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).

  • Patent number: 9134640
    Abstract: The present disclosure describes processes for making clear, high-gloss toners, including toner compositions resulting from such processes that find applications in overcoating and gloss enhancement.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: September 15, 2015
    Assignee: Xerox Corporation
    Inventors: Maura Sweeney, Grazyna E. Kmiecik-Lawrynowicz, Robert D. Bayley, Dan Asarese
  • Publication number: 20120288790
    Abstract: The present disclosure describes processes for making clear, high-gloss toners, including toner compositions resulting from such processes that find applications in overcoating and gloss enhancement.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 15, 2012
    Applicant: XEROX CORPORATION
    Inventors: Maura Sweeney, Grazyna E. Kmiecik-Lawrynowicz, Robert D. Bayley, Dan Asarese
  • Patent number: 7829253
    Abstract: Toner compositions having high molecular weight and improved melt flow are provided.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: November 9, 2010
    Assignee: Xerox Corporation
    Inventors: Maura Sweeney, Grazyna Kmiecik-Lawrynowicz, Robert D. Bayley, Kristen Leskow
  • Publication number: 20070298336
    Abstract: A carrier coating that may be used to coat carrier particles, including a specific additive that imparts the coating with superior storage stability and wherein the carrier coating includes an acrylic-based polymeric powder obtained from an emulsion of an acrylic-based polymer, a surfactant, a cationic initiator, and a conductive filler.
    Type: Application
    Filed: June 23, 2006
    Publication date: December 27, 2007
    Applicant: Xerox Corporation
    Inventors: Robert Bayley, Grazyna Kmiecik-Lawrynowicz, Maura Sweeney
  • Publication number: 20070190441
    Abstract: Toner compositions having high molecular weight and improved melt flow are provided.
    Type: Application
    Filed: February 10, 2006
    Publication date: August 16, 2007
    Inventors: Maura Sweeney, Grazyna Kmiecik-Lawrynowicz, Robert Bayley, Kristen Leskow
  • Publication number: 20070141495
    Abstract: Disclosed is a toner particle having at least binder and colorant. The colorant is a dye complex comprising a dye, a nonionic surfactant and a complexing agent. The toner having this colorant exhibits improved color gamut.
    Type: Application
    Filed: December 20, 2005
    Publication date: June 21, 2007
    Applicant: XEROX CORPORATION
    Inventor: Maura Sweeney
  • Publication number: 20070134576
    Abstract: Toner compositions having reduced odor are provided.
    Type: Application
    Filed: December 13, 2005
    Publication date: June 14, 2007
    Inventors: Maura Sweeney, Eugene Young
  • Publication number: 20070048643
    Abstract: A toner for developing electrostatic images in a single component development (SCD) system free of carrier and including emulsion aggregation toner particles of a styrene acrylate polymer binder, at least one release agent and at least one colorant, wherein the toner particles have a volume average particle size of from about 5 ?m to about 10 ?um, an average circularity of about 0.945 to about 0.99, a volume and number geometric standard deviation (GSD,v and n) of from about 1.10 to about 1.30, and an onset glass transition temperature of from about 45° C. to about C., is ideally suited for forming an image using a single component image forming device.
    Type: Application
    Filed: August 30, 2005
    Publication date: March 1, 2007
    Applicant: XEROX CORPORATION
    Inventors: Grazyna Kmiecik-Lawrynowicz, Maura Sweeney, Daniel Asarese, Eunhee Lee, Robert Bayley
  • Publication number: 20060246366
    Abstract: A process for preparing a latex includes polymerizing at least one monomer in the presence of an initiator to form a polymer emulsion; and adding an odor- scavenging bismuth compound to the formed polymer emulsion.
    Type: Application
    Filed: April 27, 2005
    Publication date: November 2, 2006
    Applicant: XEROX CORPORATION
    Inventors: Robert Bayley, Maura Sweeney, Grazyna Kmiecik-Lawrynowicz
  • Publication number: 20060166124
    Abstract: A carrier comprised of a core and a polymer generated from a mixture of two latexes, and wherein the first latex enables a polymer with a high molecular weight, and the second latex enables a polymer with a low molecular weight, and wherein high represents a weight average molecular weight of from about 1,000,000 to about 8,000,000, and said low represents a weight average molecular weight of from about 500,000 to about 750,000.
    Type: Application
    Filed: January 26, 2005
    Publication date: July 27, 2006
    Inventors: Robert Bayley, Grazyna Kmiecik-Lawrynowicz, Maura Sweeney
  • Publication number: 20060160007
    Abstract: A method of forming toner particles having surface particles attached thereto includes the steps of aggregating a material of at least one binder material and at least one colorant to produce toner particles, following aggregation, forming a mixture of the surface particles and the toner particles, and subjecting the mixture to a temperature above the glass transition temperature of the toner particles to coalesce the toner particles, whereby the surface particles become at least partially embedded within the surface of the toner particles. Toner particles prepared by such method include a core comprised of at least one binder and at least one colorant, and surface particles at an external surface of the toner particles, wherein at least about 50% of the surface particles are substantially completely covered by a portion of binder and a majority of the surface particles protrude from the toner particle surface a distance of at least 50% of the average particle size of the surface particles.
    Type: Application
    Filed: January 19, 2005
    Publication date: July 20, 2006
    Applicant: XEROX CORPORATION
    Inventors: Grazyna Kmiecik-Lawrynowicz, Maura Sweeney, Robert Bayley, Ronald Koch, Mary Mcstravick, Daniel Asarese
  • Publication number: 20060063084
    Abstract: Toner, particularly toner made by emulsion aggregation, containing binder resin and colorant containing a pigment dispersion containing pigment particles having an average particle diameter of from about 1 to about 150 nm and/or a pigment dispersion that is transparent.
    Type: Application
    Filed: September 22, 2004
    Publication date: March 23, 2006
    Applicant: XEROX CORPORATION
    Inventors: Maura Sweeney, Dieu Nguyen
  • Publication number: 20050287461
    Abstract: A toner includes particles of a resin, an optional colorant, a first wax and a second wax, where the toner particles are prepared by an emulsion aggregation process. Additional waxes can also be added for different properties.
    Type: Application
    Filed: May 5, 2005
    Publication date: December 29, 2005
    Applicant: XEROX CORPORATION
    Inventors: Maura Sweeney, Grazyna Kmiecik-Lawrynowicz, Matthew Fabrizio, Robert Bayley, Karen Moffat, David Sanders, Enno Agur, Daryl Vanbesien