Patents by Inventor Julia Kornilov
Julia Kornilov 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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Publication number: 20210122934Abstract: Herein are describes liquid electrophotographic ink compositions and methods for producing liquid electrophotographic ink composition. The liquid electrophotographic ink compositions may be producing using a method comprising: grinding a resin and a pigment to form a paste; reacting an aluminium C12-24 carboxylate and a molecule having a molecular weight (Mw) of less than about 1000 and comprising a functional group selected from an amide, an ester, a carboxylic acid, an amine, an imide and combinations thereof to form a charge promoting component; and combining the paste and the charge promoting component to form a liquid electrophotographic ink.Type: ApplicationFiled: November 29, 2018Publication date: April 29, 2021Inventors: Guy Nesher, Julia Kornilov, Gil Bar-Haim, Yaron Grinwald, Keren Goldshtein, Itay Eyal
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Patent number: 10857810Abstract: Herein is disclosed a method of printing comprising the steps of applying an ink comprising a thermoplastic resin to a print substrate using an electrostatic printing process; and applying an overcoat composition comprising a crosslinking agent to the ink after applying the ink to the print substrate, such that the thermoplastic resin of the ink becomes crosslinked on the print substrate due to interaction with the crosslinking agent.Type: GrantFiled: June 20, 2018Date of Patent: December 8, 2020Assignee: HP Indigo B.V.Inventors: Ilanit Mor, Yaacov Almog, Albert Teishev, Tony Azzam, Julia Kornilov
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Patent number: 10620558Abstract: Described herein is a LEP ink composition comprising a luminescent component, a resin; and a carrier liquid security liquid electrostatic ink composition for printing a security image.Type: GrantFiled: March 10, 2016Date of Patent: April 14, 2020Assignee: HP Indigo B.V.Inventors: Haim Cohen, Yaron Grinwald, Julia Kornilov, Reut Avigdor, Gideon Amir
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Patent number: 10591837Abstract: Described herein is a security LEP ink composition comprising an absorber, a resin; and a carrier liquid for printing a security image.Type: GrantFiled: March 4, 2016Date of Patent: March 17, 2020Assignee: HP Indigo B.V.Inventors: Haim Cohen, Yaron Grinwald, Gideon Amir, Reut Avigdor, Julia Kornilov
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Publication number: 20190294069Abstract: Described herein is a LEP ink composition for printing a security image, the LEP ink composition comprising a first resin, a fluorescent composite comprising a fluorescent dye and a second resin matrix.Type: ApplicationFiled: March 16, 2016Publication date: September 26, 2019Inventors: Haim Cohen, Julia Kornilov, Yaron Grinwald, Reut Avigdor
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Publication number: 20190033742Abstract: Described herein is a LEP ink composition comprising a luminescent component, a resin; and a carrier liquid security liquid electrostatic ink composition for printing a security image.Type: ApplicationFiled: March 10, 2016Publication date: January 31, 2019Inventors: Haim Cohen, Yaron Grinwald, Julia Kornilov, Reut Avigdor, Gideon Amir
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Publication number: 20190018334Abstract: Described herein is a security LEP ink composition comprising an absorber, a resin; and a carrier liquid for printing a security image.Type: ApplicationFiled: March 4, 2016Publication date: January 17, 2019Applicant: HP Indigo B.V.Inventors: Haim COHEN, Yaron GRINWALD, Gideon AMIR, Reut AVIGDOR, Julia KORNILOV
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Publication number: 20180361758Abstract: Herein is disclosed a method of printing comprising the steps of applying an ink comprising a thermoplastic resin to a print substrate using an electrostatic printing process; and applying an overcoat composition comprising a crosslinking agent to the ink after applying the ink to the print substrate, such that the thermoplastic resin of the ink becomes crosslinked on the print substrate due to interaction with the crosslinking agent.Type: ApplicationFiled: June 20, 2018Publication date: December 20, 2018Applicant: HP Indigo B.V.Inventors: Ilanit Mor, Yaacov Almog, Albert Teishev, Tony Azzam, Julia Kornilov
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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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Patent number: 10120298Abstract: Herein is described a method for the manufacture of a charge director comprising a barium salt. The method comprises reacting barium alkoxide with an acid in a reaction medium comprising ethanol, and separating ethanol from the reaction mixture to recover the barium salt produced.Type: GrantFiled: April 2, 2015Date of Patent: November 6, 2018Assignee: HP Indigo B.V.Inventors: Hanit Marom Tchaicheeyan, Eyal Bachar, Julia Kornilov, Albert Teishev
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Patent number: 10040297Abstract: Herein is disclosed a method of printing comprising the steps of: (a) applying an ink comprising a thermoplastic resin to a print substrate using an electrostatic printing process; and (b) applying an overcoat composition comprising a crosslinking agent to the ink on the print substrate, such that the thermoplastic resin of the ink is crosslinked. Print substrates and printing systems are also disclosed.Type: GrantFiled: May 23, 2013Date of Patent: August 7, 2018Assignee: HP Indigo B.V.Inventors: Ilanit Mor, Yaacov Almog, Albert Teishev, Tony Azzam, Julia Kornilov
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Publication number: 20180024456Abstract: Herein is described a method for the manufacture of a charge director comprising a barium salt. The method comprises reacting barium alkoxide with an acid in a reaction medium comprising ethanol, and separating ethanol from the reaction mixture to recover the barium salt produced.Type: ApplicationFiled: April 2, 2015Publication date: January 25, 2018Applicant: HP Indigo B.V.Inventors: Hanit Marom Tchaicheeyan, Eyal Bachar, Julia Kornilov, Albert Teishev
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Publication number: 20170108792Abstract: 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 catalysing the cross-linking; and a carrier liquid.Type: ApplicationFiled: March 25, 2014Publication date: April 20, 2017Inventors: Tony Azzam, Ilanit Mor, Albert Teishev, Guy Nesher, Getahun Biadglin, Haim Cohen, Samer Farran, Nurit Carmel-Barnea, Julia Kornilov
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Patent number: 9550903Abstract: The present disclosure relates to a method for coating conductive metallic pigment particles, the method comprising: providing a first liquid carrier containing a dissolved resin and suspended conductive metallic pigment particles; effecting precipitation of the resin from the first liquid, such that a coating of the resin is formed on the conductive metallic pigment particles. Also disclosed herein are conductive metallic pigment particles, and an electrostatic ink composition comprising coated conductive metallic pigment particles.Type: GrantFiled: July 20, 2012Date of Patent: January 24, 2017Assignee: Hewlett-Packard Indigo B.V.Inventors: Ilanit Mor, Albert Teishev, Yaron Grinwald, Julia Kornilov, Adi Inbar, Mirit Shitrit
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Patent number: 9523933Abstract: Methods of Printing and Electrostatic Ink Compositions Herein are disclosed electrostatic ink compositions, methods of printing and printed substrates. In some examples, the electrostatic ink composition comprises a carrier liquid, particles comprising a graft co-polymer comprising an acrylate polymer backbone onto which has been grafted polysiloxane side chains, wherein the particles are dispersed in the carrier liquid.Type: GrantFiled: November 20, 2012Date of Patent: December 20, 2016Assignee: Hewlett-Packard Indigo B.V.Inventors: Emad Masoud, Jr., Yael Kowal-Blau, Albert Teishev, Ilanit Mor, Nurit Carmel-Barnea, Julia Kornilov
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Publication number: 20160121622Abstract: Herein is disclosed a method of printing comprising the steps of: (a) applying an ink comprising a thermoplastic resin to a print substrate using an electrostatic printing process; and (b) applying an overcoat composition comprising a crosslinking agent to the ink on the print substrate, such that the thermoplastic resin of the ink is crosslinked. Print substrates and printing systems are also disclosed.Type: ApplicationFiled: May 23, 2013Publication date: May 5, 2016Inventors: Ilanit Mor, Yacov Almog, Albert Teishev, Tony Azzam, Julia Kornilov
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Publication number: 20150301465Abstract: Methods of Printing and Electrostatic Ink Compositions Herein are disclosed electrostatic ink compositions, methods of printing and printed substrates. In some examples, the electrostatic ink composition comprises a carrier liquid, particles comprising a graft co-polymer comprising an acrylate polymer backbone onto which has been grafted polysiloxane side chains, wherein the particles are dispersed in the carrier liquid.Type: ApplicationFiled: November 20, 2012Publication date: October 22, 2015Inventors: Emad Masoud, Yael Kowal-Blau, Albert Teishev, Ilanit Mor, Nurit Carmel-Barnea, Julia Kornilov
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Publication number: 20150175826Abstract: The present disclosure relates to a method for coating conductive metallic pigment particles, the method comprising: providing a first liquid carrier containing a dissolved resin and suspended conductive metallic pigment particles; effecting precipitation of the resin from the first liquid, such that a coating of the resin is formed on the conductive metallic pigment particles. Also disclosed herein are conductive metallic pigment particles, and an electrostatic ink composition comprising coated conductive metallic pigment particles.Type: ApplicationFiled: July 20, 2012Publication date: June 25, 2015Applicant: Hewlett-Packard Indigo B.V.Inventors: Ilanit Mor, Albert Teishev, Yaron Grinwald, Julia Kornilov, Adi Inbar, Mirit Shitrit
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Patent number: 8440381Abstract: The present disclosure is drawn to compositions and methods for a liquid electrophotographic ink printing. The composition comprises a liquid vehicle; ink particles; and a charge director system, comprising i) a primary charge component, ii) a secondary charge component, and iii) an electrical stability additive; such that the charge director system provides the following ink conductivities: a high field conductivity of about 100 pS/cm to about 500 pS/cm, a low field conductivity of about 20 pS/cm to about 200 pS/cm, a direct charge conductivity less than about 30 pS/cm, and a particle conductivity of at least 100 pS/cm. Additionally, the liquid electrophotographic ink can be formulated for printing from a liquid electrophotographic printer.Type: GrantFiled: November 5, 2008Date of Patent: May 14, 2013Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ilanit Mor, Shahar Stein, Elliad Silcoff, Albert Teishev, Julia Kornilov
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Publication number: 20110217650Abstract: The present disclosure is drawn to compositions and methods for a liquid electrophotographic ink printing. The composition comprises a liquid vehicle; ink particles; and a charge director system, comprising i) a primary charge component, ii) a secondary charge component, and iii) an electrical stability additive; such that the charge director system provides the following ink conductivities: a high field conductivity of about 100 pS/cm to about 500 pS/cm, a low field conductivity of about 20 pS/cm to about 200 pS/cm, a direct charge conductivity less than about 30 pS/cm, and a particle conductivity of at least 100 pS/cm. Additionally, the liquid electrophotographic ink can be formulated for printing from a liquid electrophotographic printer.Type: ApplicationFiled: November 5, 2008Publication date: September 8, 2011Applicant: Hewlett-Parkard Development Company, L.P.Inventors: Ilanit Mor, Shahar Stein, Elliad Silcoff, Albert Teishev, Julia Kornilov