Patents by Inventor Getahun Biadglin

Getahun Biadglin 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: 11333988
    Abstract: Provided in one example herein is a liquid electrophotographic varnish composition. The composition includes resin particles each including a polymeric resin mixture, which includes a first polymeric resin including an ethylene-based polymer; and a second polymeric resin including a polyamide. The composition also includes a carrier fluid.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: May 17, 2022
    Assignee: HP Indigo B.V.
    Inventors: Getahun Biadglin, Guy Nesher, Ilanit Mor, Haim Cohen, Tony Azzam, Samer Farran, Yael Kowal-Blau, Albert Teishev
  • Patent number: 11281121
    Abstract: In one aspect, the present disclosure relates to a liquid electrophotographic electrode ink composition comprising: a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or methacrylic acid; an electroactive material comprising a lithium intercalation material; a charge adjuvant, and a liquid carrier.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: March 22, 2022
    Assignee: HP Indigo B.V.
    Inventors: Getahun Biadglin, Yaron Grinwald, Emad Masoud, Reut Avigdor, Gil Bar-Haim
  • Patent number: 11067914
    Abstract: The present disclosure discloses a liquid electrophotographic ink. The ink can include (A) a liquid vehicle; (B) at least one colorant; (C) a resin comprising an ethylene acid copolymer; (D) an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer selected from the group consisting of an ethylene/methyl acrylate copolymer and an ethylene/butyl acrylate copolymer; and (E) a condensation product of urea and aldehyde.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 20, 2021
    Assignee: HP Indigo B.V.
    Inventors: Getahun Biadglin, Emad Masoud, Reut Avigdor, Albert Teishev, Tehila Ben-Ezra, Igor Shutyi, Hanit Marom Tchaicheeyan
  • Publication number: 20210124283
    Abstract: In one aspect, the present disclosure relates to a liquid electrophotographic electrode ink composition comprising: a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or methacrylic acid; an electroactive material comprising a lithium intercalation material; a charge adjuvant, and a liquid carrier.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 29, 2021
    Applicant: HP Indigo B.V.
    Inventors: Getahun Biadglin, Yaron GRINWALD, Emad MASOUD, Reut AVIGDOR, Gil BAR-HAIM
  • Publication number: 20200350126
    Abstract: The present disclosure relates to an electrophotographic active ink composition comprising a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or metacrylic acid; active photovoltaic material comprising electron donor material and electron acceptor material; a charge adjuvant, and a liquid carrier.
    Type: Application
    Filed: January 18, 2018
    Publication date: November 5, 2020
    Inventors: Getahun Biadglin, Yaron Grinwald, Emad Masoud, Shahar Stein, Ofir Bros
  • Publication number: 20200081363
    Abstract: The present disclosure discloses a liquid electrophotographic ink. The ink can include (A) a liquid vehicle; (B) at least one colorant; (C) a resin comprising an ethylene acid copolymer; (D) an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer selected from the group consisting of an ethylene/methyl acrylate copolymer and an ethylene/butyl acrylate copolymer; and (E) a condensation product of urea and aldehyde.
    Type: Application
    Filed: March 17, 2017
    Publication date: March 12, 2020
    Applicant: HP INDIGO B.V.
    Inventors: Getahun Biadglin, Emad MASOUD, Reut AVIGDOR, Albert TEISHEV, Tehil BEN-EZRA, lgor SHUTYI, Hanit MAROM TCHAICHEEYAN
  • Patent number: 10474052
    Abstract: The present disclosure relates to an electrophotographic composition that comprises a polymer resin mixture and a liquid carrier. The polymer resin mixture comprises (i) an olefin polymer A having acid and/or ester side groups and a melt index of 22 to 100 g/10 min; and (ii) an olefin polymer B having a melt index of 1 to 20 g/10 min. The olefin polymer B forms 1 to 50 weight % of the polymer resin mixture.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: November 12, 2019
    Assignee: HP Indigo B.V.
    Inventors: Guy Nesher, Getahun Biadglin, Haim Cohen, Tony Azzam, Samer Farran, Ilanit Mor, Noam Parvin, Albert Teishev
  • Patent number: 10353325
    Abstract: The present disclosure relates to a liquid electrophotographic composition comprising: a polymer resin comprising a side group comprising a cross-linkable moiety; and a carrier liquid.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: July 16, 2019
    Assignee: HP Indigo B.V.
    Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Giries Kadis, Guy Nesher, Getahun Biadglin, Haim Cohen, Benjamin Dayan, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
  • Patent number: 10197931
    Abstract: A transparent electrophotographic varnish composition comprises a charge adjuvant and inorganic filler particles. A method of manufacturing an electrophotographic varnish composition comprises heating a thermoplastic resin mixture until the resin has melted; cooling the resin mixture to form resin particles; contacting the resin particles with a charge adjuvant and inorganic filler particles to form composite particles or a mixture of particles; and combining the composite particles or particulate mixture with a carrier fluid to form the electrophotographic varnish composition. A liquid electrophotographic printing system and a print substrate are also provided.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 5, 2019
    Assignee: HP Indigo B.V.
    Inventors: Haim Cohen, Guy Nesher, Getahun Biadglin, Tony Azzam, Ilanit Mor, Samer Farran, Yael Kowal-Blau
  • Patent number: 10168629
    Abstract: A liquid electrophotographic varnish composition comprising: a polymer resin; an epoxy-based cross-linking agent; a solid catalyst comprising at least one amine group; and a carrier liquid.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: January 1, 2019
    Assignee: HP Indigo B.V.
    Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Albert Teishev, Guy Nesher, Getahun Biadglin, Haim Cohen, Benjamin Dayan, Yael Kowal-Blau, Eyal Shelef
  • Patent number: 10139742
    Abstract: An electrophotographic varnish composition that comprises, in a liquid carrier, a polymeric resin; an epoxy-based cross-linking agent, a mono-epoxy diluent and a metal catalyst and/or a photo-initiator. Also described herein is a method for making such electrophotographic varnish composition.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: November 27, 2018
    Assignee: HP Indigo B.V.
    Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Guy Nesher, Getahun Biadglin, Haim Cohen, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
  • Patent number: 10139746
    Abstract: Herein is disclosed a liquid electrophotographic varnish composition comprising: a polymer resin; an epoxy-based cross-linking agent; a metal catalyst and/or a photo-initiator for catalyzing the cross-linking; and a carrier liquid.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: November 27, 2018
    Assignee: HP Indigo B.V.
    Inventors: Tony Azzam, Ilanit Mor, Albert Teishev, Guy Nesher, Getahun Biadglin, Haim Cohen, Samer Farran, Nurit Carmel-Barnea, Julia Kornilov
  • Publication number: 20180267439
    Abstract: The present disclosure relates to a liquid electrophotographic composition comprising: a polymer resin comprising a side group comprising a cross-linkable moiety; and a carrier liquid.
    Type: Application
    Filed: January 21, 2015
    Publication date: September 20, 2018
    Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Giries Kadis, Guy Nesher, Getahun Biadglin, Haim Cohen, Benjamin Dayan, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
  • Publication number: 20180231904
    Abstract: The present disclosure relates to an electrophotographic composition. The composition comprises composite particles comprising particles of wax dispersed in a matrix comprising an olefin polymer having acid and/or ester side groups. The wax has a melting point of at least 130 degrees C.
    Type: Application
    Filed: October 10, 2016
    Publication date: August 16, 2018
    Inventors: Tony Azzam, Ilanit Mor, Albert Teishev, Samer Farran, Getahun Biadglin, Haim Cohen, Guy Nesher, Igor Shutyi, Eyal Shelef
  • Publication number: 20180203373
    Abstract: The present disclosure relates to an electrophotographic composition that comprises a polymer resin mixture and a liquid carrier. The polymer resin mixture comprises (i) an olefin polymer A having acid and/or ester side groups and a melt index of 22 to 100 g/10 min; and (ii) an olefin polymer B having a melt index of 1 to 20 g/10 min. The olefin polymer B forms 1 to 50 weight % of the polymer resin mixture.
    Type: Application
    Filed: October 9, 2015
    Publication date: July 19, 2018
    Inventors: Guy Nesher, Getahun Biadglin, Haim Cohen, Tony Azzam, Samer Farran, Ilanit Mor, Noam Parvin, Albert Teishev
  • Publication number: 20180120717
    Abstract: Provided in one example herein is a liquid electrophotographic varnish composition. The composition includes resin particles each including a polymeric resin mixture, which includes a first polymeric resin including an ethylene-based polymer; and a second polymeric resin including a polyamide. The composition also includes a carrier fluid.
    Type: Application
    Filed: June 23, 2015
    Publication date: May 3, 2018
    Applicant: HP INDIGO B.V.
    Inventors: Getahun Biadglin, Guy Nesher, Ilanit Mor, Haim Cohen, Tony Azzam, Samer Farran, Yael Kowal-Blau, Albert Teishev
  • Publication number: 20180074420
    Abstract: A transparent electrophotographic varnish composition comprises a charge adjuvant and inorganic filler particles. A method of manufacturing an electrophotographic varnish composition comprises heating a thermoplastic resin mixture until the resin has melted; cooling the resin mixture to form resin particles; contacting the resin particles with a charge adjuvant and inorganic filler particles to form composite particles or a mixture of particles; and combining the composite particles or particulate mixture with a carrier fluid to form the electrophotographic varnish composition. A liquid electrophotographic printing system and a print substrate are also provided.
    Type: Application
    Filed: October 24, 2014
    Publication date: March 15, 2018
    Inventors: Haim Cohen, Guy Nesher, Getahun Biadglin, Tony Azzam, Ilanit Mor, Samer Farran, Yael Kowal-Blau
  • Publication number: 20180017883
    Abstract: An electrophotographic varnish composition that comprises, in a liquid carrier, a polymeric resin; an epoxy-based cross-linking agent, a mono-epoxy diluent and a metal catalyst and/or a photo-initiator. Also described herein is a method for making such electrophotographic varnish composition.
    Type: Application
    Filed: February 11, 2015
    Publication date: January 18, 2018
    Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Guy Nesher, Getahun Biadglin, Haim Cohen, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
  • Publication number: 20180004104
    Abstract: A liquid electrophotographic varnish composition comprising: a polymer resin; an epoxy-based cross-linking agent; a solid catalyst comprising at least one amine group; and a carrier liquid.
    Type: Application
    Filed: January 19, 2015
    Publication date: January 4, 2018
    Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Albert Teishev, Guy Nesher, Getahun Biadglin, Haim Cohen, Benjamin Dayan, Yael Kowal-Blau, Eyal Shelef
  • Patent number: 9785063
    Abstract: The present disclosure discloses a liquid electrophotographic ink. The ink includes a liquid vehicle, an ethylene acid copolymer, and an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer. Also disclosed is a method for the manufacture that ink and a method for performing a liquid electrophotographic process by printing a substrate with the ink.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 10, 2017
    Assignee: Hewlett-Packard Indigo B.V.
    Inventors: Stella Stolin Roditi, Swissa Shay, Eyal Bachar, Getahun Biadglin, Marc Klein