Patents by Inventor Daniel W. Asarese

Daniel W. Asarese 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).

  • Publication number: 20220244656
    Abstract: Toner particles including a core and a shell thereover; wherein the core comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene-acrylate copolymer 2, and styrene-acrylate copolymer 3, and combinations thereof a wax; and an optional colorant; wherein the shell comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene acrylate copolymer 2, styrene acrylate copolymer 3, and combinations thereof.
    Type: Application
    Filed: February 4, 2021
    Publication date: August 4, 2022
    Inventors: Jordan A. Frank, Daniel W. Asarese, Chieh-Min Cheng, Paul K. Acquaviva, Richard P. N. Veregin, Michael F. Zona
  • Publication number: 20210263435
    Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large silica surface additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 26, 2021
    Inventors: Richard P. N. Veregin, Michael F. Zona, Jordan A. Frank, Daniel W. Asarese, Paul K. Acquaviva, Chieh-Min Cheng
  • Publication number: 20210263436
    Abstract: A toner composition including a first wax; a second wax that is different from the first wax; wherein the first wax comprises a paraffin wax; wherein the second wax comprises a polymethylene wax; at least one polyester; and an optional colorant.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 26, 2021
    Inventors: Jordan A. Frank, Daniel W. Asarese, Paul K. Acquaviva, Chieh-Min Cheng, Michael F. Zona, Richard P. N. Veregin
  • Publication number: 20210263437
    Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large cross-linked organic polymeric additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 26, 2021
    Inventors: Richard P. N. Veregin, Michael F. Zona, Jordan A. Frank, Daniel W. Asarese, Chieh-Min Cheng, Paul K. Acquaviva
  • Patent number: 11092906
    Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large silica surface additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: August 17, 2021
    Assignee: Xerox Corporation
    Inventors: Richard P. N. Veregin, Michael F. Zona, Jordan A. Frank, Daniel W. Asarese, Paul K. Acquaviva, Chieh-Min Cheng
  • Patent number: 11086244
    Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large cross-linked organic polymeric additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: August 10, 2021
    Assignee: Xerox Corporation
    Inventors: Richard P. N. Veregin, Michael F. Zona, Jordan A. Frank, Daniel W. Asarese, Chieh-Min Cheng, Paul K. Acquaviva
  • Patent number: 11086243
    Abstract: A toner composition including a first wax; a second wax that is different from the first wax; wherein the first wax comprises a paraffin wax; wherein the second wax comprises a polymethylene wax; at least one polyester; and an optional colorant.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: August 10, 2021
    Assignee: Xerox Corporation
    Inventors: Jordan A. Frank, Daniel W. Asarese, Paul K. Acquaviva, Chieh-Min Cheng, Michael F. Zona, Richard P. N. Veregin
  • Patent number: 10409185
    Abstract: Methods of forming a toner are provided. In embodiments, such a method comprises forming a toner from a mixture of at least one resin, at least one wax, and optionally, at least one colorant, wherein the at least one wax is of a type and is present at an amount which are selected to provide a predetermined PER10 value for the toner; and measuring a PER10 value for the toner, wherein the measured PER10 value for the toner is equal to or less than the predetermined PER10 value. Toners formed using the methods are also provided.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: September 10, 2019
    Assignee: Xerox Corporation
    Inventors: Siddhesh Nitin Pawar, Juan A. Morales-Tirado, Grazyna E. Kmiecik-Lawrynowicz, Daniel W. Asarese, Jordan A. Frank
  • Publication number: 20190243271
    Abstract: Methods of forming a toner are provided. In embodiments, such a method comprises forming a toner from a mixture of at least one resin, at least one wax, and optionally, at least one colorant, wherein the at least one wax is of a type and is present at an amount which are selected to provide a predetermined PER10 value for the toner; and measuring a PER10 value for the toner, wherein the measured PER10 value for the toner is equal to or less than the predetermined PER10 value. Toners formed using the methods are also provided.
    Type: Application
    Filed: February 8, 2018
    Publication date: August 8, 2019
    Inventors: Siddhesh Nitin Pawar, Juan A. Morales-Tirado, Grazyna E. Kmiecik-Lawrynowicz, Daniel W. Asarese, Jordan A. Frank
  • Patent number: 9417544
    Abstract: A low energy consumption monochrome toner includes a surface additive package having a high charging silica compound, an aerating silica compound, a colloidal silica compound, a polymeric spacer, and a crosslinked spacer. The low energy consumption monochrome toner is suitable for high speed printing in SCD systems while decreasing minimum fusing temperature, maintaining excellent hot offset and storage, and exhibiting a matte finish.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: August 16, 2016
    Assignee: XEROX CORPORATION
    Inventors: Grazyna E. Kmiecik-Lawrynowicz, Robert D. Bayley, Maura A. Sweeney, Daniel W. Asarese, Karen L. Lamora
  • Patent number: 9164410
    Abstract: A toner composition with a novel surface additive package for developing images is provided. The additive package comprises a sol-gel silica, a PDMS silica, an HMDS silica, and an organic spacer such as PMMA, and melamine. The toner composition exhibits improved properties and are useful for high speed printing on Single Component Development systems.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: October 20, 2015
    Assignee: XEROX CORPORATION
    Inventors: Grazyna E. Kmiecik-Lawrynowicz, Maura A. Sweeney, Daniel W. Asarese, Samir Kumar
  • Publication number: 20150227072
    Abstract: A low energy consumption monochrome toner includes a surface additive package having a high charging silica compound, an aerating silica compound, a colloidal silica compound, a polymeric spacer, and a crosslinked spacer. The low energy consumption monochrome toner is suitable for high speed printing in SCD systems while decreasing minimum fusing temperature, maintaining excellent hot offset and storage, and exhibiting a matte finish.
    Type: Application
    Filed: February 7, 2014
    Publication date: August 13, 2015
    Applicant: XEROX CORPORATION
    Inventors: GRAZYNA E. KMIECIK-LAWRYNOWICZ, ROBERT D. BAYLEY, MAURA A. SWEENEY, DANIEL W. ASARESE, KAREN L. LAMORA
  • Patent number: 9029057
    Abstract: Emulsion aggregation toner comprising: a resin; a wax; a colorant; an encapsulating shell; and a silica external additive comprising: first silica particles comprising fumed silica particles surface treated with octyldimethylsiloxane and having average particle diameter about 6-20 nm, present in amount of about 0.1-1% by weight of the toner; second silica particles comprising colloidal silica particles surface treated with hexamethyldisiloxane and having average particle diameter about 80-200 nm, present in amount of about 1-2% by weight of the toner; third silica particles comprising fumed silica particles surface treated with polydimethylsiloxane and having average particle diameter about 25-65 nm, present in amount of from about 0.5-1.5% by weight of the toner; and fourth silica particles comprising fumed silica particles surface treated with hexamethyldisiloxane and having average particle diameter about 25-65 nm, present in amount of about 1-2.5% by weight of the toner.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: May 12, 2015
    Assignee: Xerox Corporation
    Inventors: Grazyna E. Kmiecik-Lawrynowicz, Maura A. Sweeney, Samir Kumar, Daniel W. Asarese
  • Publication number: 20150004536
    Abstract: A toner composition with a novel surface additive package for developing images is provided. The additive package comprises a sol-gel silica, a PDMS silica, an HMDS silica, and an organic spacer such as PMMA, and melamine. The toner composition exhibits improved properties and are useful for high speed printing on Single Component Development systems.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 1, 2015
    Inventors: GRAZYNA E. KMIECIK-LAWRYNOWICZ, MAURA A. SWEENEY, DANIEL W. ASARESE, SAMIR KUMAR
  • Publication number: 20140315127
    Abstract: Emulsion aggregation toner comprising: a resin; a wax; a colorant; an encapsulating shell; and a silica external additive comprising: first silica particles comprising fumed silica particles surface treated with octyldimethylsiloxane and having average particle diameter about 6-20 nm, present in amount of about 0.1-1% by weight of the toner; second silica particles comprising colloidal silica particles surface treated with hexamethyldisiloxane and having average particle diameter about 80-200 nm, present in amount of about 1-2% by weight of the toner; third silica particles comprising fumed silica particles surface treated with polydimethylsiloxane and having average particle diameter about 25-65 nm, present in amount of from about 0.5-1.5% by weight of the toner; and fourth silica particles comprising fumed silica particles surface treated with hexamethyldisiloxane and having average particle diameter about 25-65 nm, present in amount of about 1-2.5% by weight of the toner.
    Type: Application
    Filed: April 17, 2013
    Publication date: October 23, 2014
    Applicant: Xerox Corporation
    Inventors: Grazyna E. Kmiecik-Lawrynowicz, Maura A. Sweeney, Samir Kumar, Daniel W. Asarese
  • Publication number: 20140272701
    Abstract: A toner composition includes toner particles containing a resin; an optional wax; and an optional colorant, wherein the resin is a three latex system including a latex core, a latex shell, and a latex gel; and a glass transition temperature Tg of the latex core is lower than a glass transition temperature Tg of the latex shell.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: XEROX CORPORATION
    Inventors: Grazyna E. KMIECIK-LAWRYNOWICZ, Maura A. SWEENEY, Daniel W. ASARESE, Robert D. BAYLEY
  • Publication number: 20140255841
    Abstract: A toner having charge control agents which impart excellent triboelectric charging characteristics. In embodiments, the toner particles are made by a process in which charge control agent is added and adhered to the particle surface through washing steps and is maintained through the drying steps. The process of the present embodiments impart desirable charging characteristics to the toner particles.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 11, 2014
    Applicant: XEROX CORPORATION
    Inventors: Robert D. Bayley, Maura A. Sweeney, Grazyna E. Kmiecik-Lawrynowicz, Daniel W. Asarese
  • Patent number: 8785102
    Abstract: A toner having charge control agents which impart excellent triboelectric charging characteristics. In embodiments, the toner particles are made by a process in which charge control agent is added and adhered to the particle surface through washing steps and is maintained through the drying steps. The process of the present embodiments impart desirable charging characteristics to the toner particles.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: July 22, 2014
    Assignee: Xerox Corporation
    Inventors: Robert D. Bayley, Maura A. Sweeney, Grazyna E. Kmiecik-Lawrynowicz, Daniel W. Asarese
  • Patent number: 8697323
    Abstract: A toner composition including toner particles that have a resin, an optional wax, and an optional colorant; and a surface additive at least partially coating toner particle surfaces. The surface additive includes a mixture of a hexamethyldisilazane (HMDS) surface treated silica, a sol-gel silica that is not surface treated, and a polydimethylsiloxane (PDMS) surface treated silica.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: April 15, 2014
    Assignee: Xerox Corporation
    Inventors: Grazyna E. Kmiecik-Lawrynowicz, Brian S. Wang, Robert D. Bayley, Maura A. Sweeney, Daniel W. Asarese
  • Patent number: 8691485
    Abstract: The present disclosure provides toners and methods for their production. In embodiments, the toner may include a core/shell configuration, with a non-crosslinked resin and a crosslinked resin in the core, with a second non-crosslinked resin in the shell, pigment/pigments and a wax possessing both branched and linear carbons.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: April 8, 2014
    Assignee: Xerox Corporation
    Inventors: Daniel W. Asarese, Grazyna E. Kmiecik-Lawrynowicz, Samir Kumar, Maura A. Sweeney, Siddhesh N. Pawar, Robert D. Bayley