Patents by Inventor Grazyna Kmiecik-Lawrynowicz

Grazyna Kmiecik-Lawrynowicz 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: 9798257
    Abstract: A method for removing volatile organic compounds (VOC's) from toner slurries is described, including the isolated toner particles generated by that method.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: October 24, 2017
    Assignee: Xerox Corporation
    Inventors: Matthew W Croteau, Mark A Jackson, Roger B B Keeble, Harold R Judd, Munir Salman, Vincenzo G Marcello, Chieh-Min Cheng, Steven M Malachowski, Grazyna Kmiecik-Lawrynowicz, Linda S Schriever
  • Publication number: 20170160659
    Abstract: A method for removing volatile organic compounds (VOC's) from toner slurries is described, including the isolated toner particles generated by that method.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 8, 2017
    Inventors: Matthew W Croteau, Mark A Jackson, Roger BB Keeble, Harold R Judd, Munir Salman, Vincenzo G Marcello, Chieh-Min Cheng, Steven M Malachowski, Grazyna Kmiecik-Lawrynowicz, Linda S Schriever
  • Patent number: 9500971
    Abstract: A toner is described containing low melt wax and having a core and shell, which toner exhibits improved fusing performance as compared to a toner produced with a high melt wax in the core; having a core resin with a Tg equal to or lower than that of the shell resin; or both.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: November 22, 2016
    Assignee: XEROX CORPORATION
    Inventors: Grazyna Kmiecik-Lawrynowicz, Daniel A. Asarese, Maura A. Sweeney, Robert D. Bayley, Mark Mang
  • Patent number: 8778584
    Abstract: The present disclosure provides toners and methods for their production. In embodiments, the amount of coagulant utilized in producing those toners may be less than amounts currently in use, which may have a beneficial effect by reducing the time for coalescence. Modified waxes may also be utilized which provide excellent gloss and charging characteristics.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: July 15, 2014
    Assignee: Xerox Corporation
    Inventors: Mark E. Mang, Grazyna Kmiecik-Lawrynowicz, Maura A. Sweeney, Timothy L. Lincoln
  • Patent number: 8715897
    Abstract: The present disclosure provides polyesters suitable for use in forming toners. In embodiments, a polyester may be subjected to phase inversion emulsification, in which charge control agents are added so that the polyester emulsion includes charge control agents therein. The resulting polyester emulsion with charge control agents may then be utilized to form toner particles.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: May 6, 2014
    Assignee: Xerox Corporation
    Inventors: Robert D. Bayley, Yuhua Tong, Timothy L. Lincoln, Grazyna Kmiecik-Lawrynowicz, Maura A. Sweeney
  • Patent number: 8338070
    Abstract: The present disclosure provides for oscillatory flow continuous reactors suitable for use in forming emulsion aggregation toners. The reactor may include at least one receptacle being a flexible, tubular member. The reactor may also include a plurality of baffles disposed, at spaced apart intervals, along an interior space of the tubular member, each of the plurality of baffles including one or more orifices. Additionally, one or more fluids may flow through the tubular member. The oscillatory flow continuous reactor may be used in an emulsion aggregation process to produce toner particles.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: December 25, 2012
    Assignee: Xerox Corporation
    Inventors: Mark E. Mang, Grazyna Kmiecik-Lawrynowicz, Eugene F. Young, Maura A. Sweeney
  • Publication number: 20120021351
    Abstract: The present disclosure provides for oscillatory flow continuous reactors suitable for use in forming emulsion aggregation toners. The reactor may include at least one receptacle being a flexible, tubular member. The reactor may also include a plurality of baffles disposed, at spaced apart intervals, along an interior space of the tubular member, each of the plurality of baffles including one or more orifices. Additionally, one or more fluids may flow through the tubular member. The oscillatory flow continuous reactor may be used in an emulsion aggregation process to produce toner particles.
    Type: Application
    Filed: July 20, 2010
    Publication date: January 26, 2012
    Applicant: Xerox Corporation
    Inventors: Mark E. Mang, Grazyna Kmiecik-Lawrynowicz, Eugene F. Young, Maura A. Sweeney
  • Patent number: 7985526
    Abstract: The present disclosure provides methods for incorporating a dye into latex particles via a supercritical fluid microencapsulation technique, in order to achieve improved dispersion of a colorant in the latex and an increase in color gamut.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: July 26, 2011
    Assignee: Xerox Corporation
    Inventors: Maura A. Sweeney, Grazyna Kmiecik-Lawrynowicz, Robert D. Bayley
  • Publication number: 20110117486
    Abstract: The present disclosure provides polyesters suitable for use in forming toners. In embodiments, a polyester may be subjected to phase inversion emulsification, in which charge control agents are added so that the polyester emulsion includes charge control agents therein. The resulting polyester emulsion with charge control agents may then be utilized to form toner particles.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 19, 2011
    Applicant: XEROX CORPORATION
    Inventors: Robert D. Bayley, Yuhua Tong, Timothy L. Lincoln, Grazyna Kmiecik-Lawrynowicz, Maura A. Sweeney
  • Publication number: 20110091801
    Abstract: The present disclosure provides toners and methods for their production. In embodiments, the amount of coagulant utilized in producing those toners may be less than amounts currently in use, which may have a beneficial effect by reducing the time for coalescence. Modified waxes may also be utilized which provide excellent gloss and charging characteristics.
    Type: Application
    Filed: October 15, 2009
    Publication date: April 21, 2011
    Applicant: XEROX CORPORATION
    Inventors: Mark E. Mang, Grazyna Kmiecik-Lawrynowicz, Maura A. Sweeney, Timothy L. Lincoln
  • Publication number: 20110053076
    Abstract: The present disclosure provides methods for incorporating a dye into latex particles via a supercritical fluid microencapsulation technique, in order to achieve improved dispersion of a colorant in the latex and an increase in color gamut.
    Type: Application
    Filed: August 25, 2009
    Publication date: March 3, 2011
    Applicant: XEROX CORPORATION
    Inventors: Maura A. Sweeney, Grazyna Kmiecik-Lawrynowicz, Robert D. Bayley
  • 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
  • Patent number: 7468232
    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: Grant
    Filed: April 27, 2005
    Date of Patent: December 23, 2008
    Assignee: Xerox Corporation
    Inventors: Robert D. Bayley, Maura A. Sweeney, Grazyna Kmiecik-Lawrynowicz
  • Publication number: 20080107988
    Abstract: A toner including toner particles of a styrene acrylate binder and at least one colorant, wherein the styrene acrylate binder has a weight average molecular weight of about 20 to about 30 kpse and a molecular peak of about 23 to about 28 kpse, the toner particles have a weight average molecular weight of about 28 to about 130 kpse, a number average molecular weight of about 9 to about 13.4 and a MWD of about 2.2 to about 10, and the toner particles have a cohesion of about 55 to about 98% at a mean circularity of about 0.94 to about 0.98. Also included is a set of toners for forming a color image, comprising a cyan toner, a magenta toner, a yellow toner and a black toner, wherein each of they cyan toner, the magenta toner, the yellow toner and the black toner have toner particles of about 70 to about 95% by weight, solids basis, of a styrene acrylate binder, about 5 to about 15% by weight, solids basis, of a wax dispersion, and at least one colorant.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 8, 2008
    Applicant: Xerox Corporation
    Inventors: Judith VANDEWINCKEL, Vincenzo MARCELLO, Grazyna KMIECIK-LAWRYNOWICZ, Tie NG, Chieh-Min CHENG
  • 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: 20070248902
    Abstract: Included is an emulsion aggregation toner formulation having at least one latex and a combination of at least two waxes, wherein one wax is a synthetic wax, and another wax is a natural wax, and further including a developer containing a carrier and the just-described toner.
    Type: Application
    Filed: April 25, 2006
    Publication date: October 25, 2007
    Inventors: Daniel Asarese, Grazyna Kmiecik-Lawrynowicz, Eugene Young, William Hollenbaugh, Eunhee Lee
  • 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: 20070072105
    Abstract: Disclosed are toner compositions comprised of a polymer, an optional colorant, and an UV light curable oligomer. Also disclosed are methods for producing a UV curable toner compositions, the toner compositions produced thereby, and methods of utilizing the UV curable toner compositions in various painting applications.
    Type: Application
    Filed: November 16, 2006
    Publication date: March 29, 2007
    Inventors: Mary Fromm, Michelle Bruzee, Grazyna Kmiecik-Lawrynowicz, Pinyen Lin, Chieh-Min Cheng
  • 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