Patents by Inventor Paul K. Acquaviva

Paul K. Acquaviva 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: 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: 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: 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: 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: 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
  • Publication number: 20080138096
    Abstract: An image forming device is arranged to identify a detached apparatus and to provide one or more signals based on the detached apparatus. The one or more signals include at least a user signal based on when the detached apparatus can be attached to or used with the image forming device.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Inventors: Paul M. Wegman, Paul K. Acquaviva
  • Publication number: 20080138095
    Abstract: An image forming device is arranged to identify a detached apparatus and to provide one or more signals based on the detached apparatus. The one or more signals include at least a user signal based on when the detached apparatus can be attached to or used with the image forming device.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Inventors: Paul M. Wegman, Paul K. Acquaviva
  • Publication number: 20080138097
    Abstract: An image forming device is arranged to identify a detached apparatus and to provide one or more signals based on the detached apparatus. The one or more signals include at least a user signal based on when the detached apparatus can be attached to or used with the image forming device.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Inventors: Paul M. Wegman, Paul K. Acquaviva
  • Publication number: 20080138098
    Abstract: An image forming device is arranged to identify a detached apparatus and to provide one or more signals based on the detached apparatus. The one or more signals include at least a user signal based on when the detached apparatus can be attached to or used with the image forming device.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Inventors: Paul M. Wegman, Paul K. Acquaviva