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).
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Patent number: 11333988Abstract: 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: GrantFiled: June 23, 2015Date of Patent: May 17, 2022Assignee: HP Indigo B.V.Inventors: Getahun Biadglin, Guy Nesher, Ilanit Mor, Haim Cohen, Tony Azzam, Samer Farran, Yael Kowal-Blau, Albert Teishev
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Patent number: 11281121Abstract: 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: GrantFiled: October 12, 2017Date of Patent: March 22, 2022Assignee: HP Indigo B.V.Inventors: Getahun Biadglin, Yaron Grinwald, Emad Masoud, Reut Avigdor, Gil Bar-Haim
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Patent number: 11067914Abstract: 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: GrantFiled: March 17, 2017Date of Patent: July 20, 2021Assignee: HP Indigo B.V.Inventors: Getahun Biadglin, Emad Masoud, Reut Avigdor, Albert Teishev, Tehila Ben-Ezra, Igor Shutyi, Hanit Marom Tchaicheeyan
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Publication number: 20210124283Abstract: 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: ApplicationFiled: October 12, 2017Publication date: April 29, 2021Applicant: HP Indigo B.V.Inventors: Getahun Biadglin, Yaron GRINWALD, Emad MASOUD, Reut AVIGDOR, Gil BAR-HAIM
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Publication number: 20200350126Abstract: 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: ApplicationFiled: January 18, 2018Publication date: November 5, 2020Inventors: Getahun Biadglin, Yaron Grinwald, Emad Masoud, Shahar Stein, Ofir Bros
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Publication number: 20200081363Abstract: 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: ApplicationFiled: March 17, 2017Publication date: March 12, 2020Applicant: HP INDIGO B.V.Inventors: Getahun Biadglin, Emad MASOUD, Reut AVIGDOR, Albert TEISHEV, Tehil BEN-EZRA, lgor SHUTYI, Hanit MAROM TCHAICHEEYAN
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Patent number: 10474052Abstract: 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: GrantFiled: October 9, 2015Date of Patent: November 12, 2019Assignee: HP Indigo B.V.Inventors: Guy Nesher, Getahun Biadglin, Haim Cohen, Tony Azzam, Samer Farran, Ilanit Mor, Noam Parvin, Albert Teishev
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Patent number: 10353325Abstract: 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: GrantFiled: January 21, 2015Date of Patent: July 16, 2019Assignee: 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
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Patent number: 10197931Abstract: 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: GrantFiled: October 24, 2014Date of Patent: February 5, 2019Assignee: HP Indigo B.V.Inventors: Haim Cohen, Guy Nesher, Getahun Biadglin, Tony Azzam, Ilanit Mor, Samer Farran, Yael Kowal-Blau
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Patent number: 10168629Abstract: 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: GrantFiled: January 19, 2015Date of Patent: January 1, 2019Assignee: 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
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Patent number: 10139742Abstract: 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: GrantFiled: February 11, 2015Date of Patent: November 27, 2018Assignee: 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
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Patent number: 10139746Abstract: 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: GrantFiled: March 25, 2014Date of Patent: November 27, 2018Assignee: HP Indigo B.V.Inventors: Tony Azzam, Ilanit Mor, Albert Teishev, Guy Nesher, Getahun Biadglin, Haim Cohen, Samer Farran, Nurit Carmel-Barnea, Julia Kornilov
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Publication number: 20180267439Abstract: 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: ApplicationFiled: January 21, 2015Publication date: September 20, 2018Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Giries Kadis, Guy Nesher, Getahun Biadglin, Haim Cohen, Benjamin Dayan, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
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Publication number: 20180231904Abstract: 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: ApplicationFiled: October 10, 2016Publication date: August 16, 2018Inventors: Tony Azzam, Ilanit Mor, Albert Teishev, Samer Farran, Getahun Biadglin, Haim Cohen, Guy Nesher, Igor Shutyi, Eyal Shelef
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Publication number: 20180203373Abstract: 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: ApplicationFiled: October 9, 2015Publication date: July 19, 2018Inventors: Guy Nesher, Getahun Biadglin, Haim Cohen, Tony Azzam, Samer Farran, Ilanit Mor, Noam Parvin, Albert Teishev
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Publication number: 20180120717Abstract: 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: ApplicationFiled: June 23, 2015Publication date: May 3, 2018Applicant: HP INDIGO B.V.Inventors: Getahun Biadglin, Guy Nesher, Ilanit Mor, Haim Cohen, Tony Azzam, Samer Farran, Yael Kowal-Blau, Albert Teishev
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Publication number: 20180074420Abstract: 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: ApplicationFiled: October 24, 2014Publication date: March 15, 2018Inventors: Haim Cohen, Guy Nesher, Getahun Biadglin, Tony Azzam, Ilanit Mor, Samer Farran, Yael Kowal-Blau
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Publication number: 20180017883Abstract: 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: ApplicationFiled: February 11, 2015Publication date: January 18, 2018Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Guy Nesher, Getahun Biadglin, Haim Cohen, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
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Publication number: 20180004104Abstract: 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: ApplicationFiled: January 19, 2015Publication date: January 4, 2018Inventors: Tony Azzam, Ilanit Mor, Samer Farran, Albert Teishev, Guy Nesher, Getahun Biadglin, Haim Cohen, Benjamin Dayan, Yael Kowal-Blau, Eyal Shelef
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Patent number: 9785063Abstract: 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: GrantFiled: April 27, 2012Date of Patent: October 10, 2017Assignee: Hewlett-Packard Indigo B.V.Inventors: Stella Stolin Roditi, Swissa Shay, Eyal Bachar, Getahun Biadglin, Marc Klein