Patents by Inventor Vladislav Kaploun
Vladislav Kaploun 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: 11960241Abstract: A liquid electrophotographic ink composition is disclosed herein. One example of the liquid electrophotographic ink composition includes a resin, a liquid carrier, a pigment chosen from titanium oxide, and a spacer chosen from barium sulfate, calcium carbonate, clay, magnesium silicate and mixtures thereof, in an amount from 5 to 15 wt. % of the total solids of the composition. A method for making a liquid electrophotographic ink composition is also disclosed herein.Type: GrantFiled: April 30, 2019Date of Patent: April 16, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hanit Marom Tchaicheeyan, Albert Teishev, Adi Mann, Orel Yosef Mizrahi, Doron Gurovich, Vladislav Kaploun, Emad Masoud
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Publication number: 20240036490Abstract: Described herein is a method of producing a liquid electrophotographic ink composition comprising combining a pigment with a charge director in a carrier liquid to produce a pigment dispersion; and combining a thermoplastic resin with the pigment dispersion to produce a liquid electrophotographic ink composition; wherein the charge director comprises a metal salt of a sulfonic acid. Also described herein is a method of printing the liquid electrophotographic ink composition and a printing set comprising the liquid electrophotographic ink composition.Type: ApplicationFiled: December 15, 2020Publication date: February 1, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Doron GUROVICH, Vladislav KAPLOUN, Albert TEISHEV, Emad MASOUD
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Publication number: 20220206407Abstract: Described herein is a liquid electrostatic ink composition comprising a liquid carrier; and chargeable toner particles comprising a resin and an aluminium-based color-shifting pigment. Also described herein is a method of printing comprising: printing onto a substrate a liquid electrostatic ink composition comprising: a liquid carrier; and chargeable toner particles comprising a resin and an aluminium-based color-shifting pigment, and a printed article comprising a print substrate having printed thereon the electrostatic ink composition.Type: ApplicationFiled: July 31, 2019Publication date: June 30, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Olga Kagan, Vladislav KAPLOUN, Rada NUCHIMOV, Michael KOKOTOV, Yaron GRINWALD, Albert TEISHEV, Ofir BROS, Samer FARRAN
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Publication number: 20220066347Abstract: Described herein is a liquid electrophotographic ink composition comprising: a thermoplastic resin comprising a polymer having acidic side groups; a charge adjuvant comprising a complex of a metal(II) cation and two monovalent anions; or a complex of a metal(III) cation and three monovalent anions; or a complex of a metal(III) cation, a monovalent anion and a divalent anion, wherein each monovalent anion is independently selected from carboxylate anions having from 2 to 16 carbon atoms and alkoxide anions having from 1 to 16 carbon atoms; and wherein the divalent anion is selected form the oxo group, dicarboxylate anions having from 2 to 16 carbon atoms, and dialkoxide anions having from 1 to 16 carbon atoms; and a liquid carrier. Also described herein is a method of producing the liquid electrophotographic ink composition and a printed substrate.Type: ApplicationFiled: October 11, 2019Publication date: March 3, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hanit MAROM TCHAICHEEYAN, Albert TEISHEV, Doron GUROVICH, Vladislav KAPLOUN, Orel Yosef MIZRAHI, Hodaya KEISAR, Gilad NOY, Adi Mann
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Publication number: 20220056289Abstract: Disclosed herein is a liquid electrophotographic ink composition comprising a resin comprising a copolymer of an alkylene monomer and a monomer selected from acrylic acid and methacrylic acid; a liquid carrier; and an anti-caking agent present in an amount of up to 1 wt. % of the total solids of the composition. Also disclosed is a method of printing the liquid electrophotographic ink composition and a printed substrate.Type: ApplicationFiled: February 4, 2019Publication date: February 24, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hanit Marom Tchaicheeyan, Albert Teishev, Adi Mann, Orel Yosef Mizrahi, Doron Gurovich, Vladislav Kaploun
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Publication number: 20220043364Abstract: A liquid electrophotographic ink composition is disclosed herein. One example of the liquid electrophotographic ink composition includes a resin, a liquid carrier, a pigment chosen from titanium oxide, and a spacer chosen from barium sulfate, calcium carbonate, clay, magnesium silicate and mixtures thereof, in an amount from 5 to 15 wt. % of the total solids of the composition. A method for making a liquid electrophotographic ink composition is also disclosed herein.Type: ApplicationFiled: April 30, 2019Publication date: February 10, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hanit Marom Tchaicheeyan, Albert Teishev, Adi Mann, Orel Yosef Mizrahi, Doron Gurovich, Vladislav Kaploun, Emad Masoud
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Publication number: 20210261890Abstract: Described herein are methods of cleaning liquid electrophotographic printers and liquid electrophotographic cleaning compositions for use in such methods. The cleaning compositions comprise a resin and a charge director dispersed in a carrier liquid. The cleaning compositions comprise from about 3 wt. % to about 6 wt. % non-volatile solids (NVS). The methods comprise flushing upstream ink feed components of the liquid electrophotographic printer with the cleaning compositions.Type: ApplicationFiled: June 18, 2018Publication date: August 26, 2021Inventors: Eyal Bachar, Vladislav Kaploun
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Patent number: 10778869Abstract: Example implementations provide a method of processing data associated with printing a plurality of separations; the method comprising creating, from the data associated with the plurality of separations, complementary separation layer data associated with the complement of data relating to an opaque separation of the plurality of separations.Type: GrantFiled: October 30, 2015Date of Patent: September 15, 2020Assignee: HP Indigo B.V.Inventors: Yavin Atzmon, Noam Shaham, Vladislav Kaploun
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Patent number: 10394153Abstract: Provided in one example herein is a liquid electrophotographic ink composition. The composition comprises: a carrier fluid comprising a polymer; ink particles each comprising a non-aqueous polymeric resin and pigment particles distributed in the polymeric resin; and a charge director. The pigment particles comprise a metal oxide and have a hydrophobic surface. The hydrophobic surface comprises at least one of the following: (i) nanoparticles attached to each of the pigment particles, the nanoparticles comprising at least one of an oxide, a phosphate, and a nitrate; (ii) a coating disposed over each of the pigment particles, the coating comprising at least one of an oxide, a phosphate, and a nitrate; and (iii) a coating disposed over each of the pigment particles, the coating comprising at least one of a polymer and an oligomer.Type: GrantFiled: December 22, 2014Date of Patent: August 27, 2019Assignee: HP Indigo B.V.Inventors: Emad Masoud, Neta Filip-Granit, Vladislav Kaploun, Olga Kagan, Yelena Litichevski, Albert Teishev
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Publication number: 20180307154Abstract: A magenta liquid electrostatic ink composition includes chargeable particles having a resin and a pigment; an insulating, non-polar, non-aqueous liquid carrier in which the chargeable particles are dispersed; and a charge director. The resin is formable from polymerizing alkylene monomers and methacrylic or acrylic acid monomers; the pigment is selected from pigment violet 19 type ?I, pigment violet 19 type ?II, pigment violet 19 type 1, pigment red 177, pigment red 208, and pigment violet 32; and the liquid electrostatic ink composition lacks any other types of pigment.Type: ApplicationFiled: June 29, 2018Publication date: October 25, 2018Inventors: Gil Bar-Haim, Alexey S. Kabalnov, Albert Teishev, Alina Grishman, Vladislav Kaploun, Danny Feldman, Eyal Bachar
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Publication number: 20180275548Abstract: Provided in one example herein is a liquid electrophotographic ink composition. The composition comprises: a carrier fluid comprising a polymer; ink particles each comprising a non-aqueous polymeric resin and pigment particles distributed in the polymeric resin; and a charge director. The pigment particles comprise a metal oxide and have a hydrophobic surface. The hydrophobic surface comprises at least one of the following: (i) nanoparticles attached to each of the pigment particles, the nanoparticles comprising at least one of an oxide, a phosphate, and a nitrate; (ii) a coating disposed over each of the pigment particles, the coating comprising at least one of an oxide, a phosphate, and a nitrate; and (iii) a coating disposed over each of the pigment particles, the coating comprising at least one of a polymer and an oligomer.Type: ApplicationFiled: December 22, 2014Publication date: September 27, 2018Inventors: Emad Masoud, Neta Filip-Granit, Vladislav Kaploun, Olga Kagan, Yelena Litichevski, Albert Teishev
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Publication number: 20180227461Abstract: Example implementations provide a method of processing data associated with printing a plurality of separations; the method comprising creating, from the data associated with the plurality of separations, complementary separation layer data associated with the complement of data relating to an opaque separation of the plurality of separations.Type: ApplicationFiled: October 30, 2015Publication date: August 9, 2018Inventors: Yavin ATZMON, Noam SHAHAM, Vladislav KAPLOUN
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Patent number: 10042277Abstract: Herein is disclosed a magenta liquid electrostatic ink composition comprising chargeable particles comprising a resin, a pigment, a liquid carrier in which the chargeable particles are dispersed, and a charge director, wherein the resin is formable from polymerizing alkylene monomers and methacrylic or acrylic acid monomers, the pigment is selected from pigment violet 19 type ?I pigment violet 19 type ?II pigment violet 19 type ?, pigment violet 19 type ?, pigment red 177, pigment red 208, pigment red 122 and pigment violet 32, and the liquid electrostatic ink composition lacks any other types of pigment. Also disclosed herein is a method of electrostatic printing and a print substrate having printed thereon the magenta liquid electrostatic ink composition.Type: GrantFiled: June 9, 2014Date of Patent: August 7, 2018Assignee: HP Indigo B.V.Inventors: Gil Bar-Haim, Alexey S. Kabalnov, Albert Teishev, Alina Grishman, Vladislav Kaploun, Danny Feldman, Eyal Bachar
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Patent number: 9983497Abstract: A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin, suspending in the carrier fluid the pigment particles to be coated; and effecting precipitation of the polymer resin from the carrier fluid, such that a coating of the resin is formed on the pigment particles.Type: GrantFiled: July 29, 2014Date of Patent: May 29, 2018Assignee: HP Indigo B.V.Inventors: Adi Mann, Albert Teishev, Eyal Handel, Marc Klein, Olga Kagan, Yaron Grinwald, Vladislav Kaploun
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Patent number: 9983498Abstract: A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin; suspending in the carrier fluid white pigment particles to be coated; and cooling the carrier fluid at a rate of 2° C./hr or less to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is formed on the pigment particles, thereby producing the white liquid electrophotographic ink composition.Type: GrantFiled: July 29, 2014Date of Patent: May 29, 2018Assignee: HP Indigo B.V.Inventors: Adi Mann, Eyal Handel, Albert Teishev, Marc Klein, Vladislav Kaploun
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Patent number: 9738801Abstract: The present disclosure provides metallic LEP inks and associated methods. In one example, a method of manufacturing a metallic LEP ink having reduced impurities can comprising adding a metallic pigment slurry and a resin to a stainless steel attritor, adding ceramic grinding beads to the attritor, and grinding the metallic pigment and the resin to form the metallic LEP ink.Type: GrantFiled: October 29, 2010Date of Patent: August 22, 2017Assignee: Hewlett-Packard Development Company, L.P.Inventors: Gal Victor, Galia Golodetz, Jose Kuperwasser, Vladislav Kaploun
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Publication number: 20170227877Abstract: A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin, suspending in the carrier fluid the pigment particles to be coated; and effecting precipitation of the polymer resin from the carrier fluid, such that a coating of the resin is formed on the pigment particles.Type: ApplicationFiled: July 29, 2014Publication date: August 10, 2017Inventors: Adi Mann, Albert Teishev, Eyal Handel, Marc Klein, Olga Kagan, Yaron Grinwald, Vladislav Kaploun
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Publication number: 20170227878Abstract: A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin; suspending in the carrier fluid white pigment particles to be coated; and cooling the carrier fluid at a rate of 2° C./hr or less to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is formed on the pigment particles, thereby producing the white liquid electrophotographic ink composition.Type: ApplicationFiled: July 29, 2014Publication date: August 10, 2017Inventors: Adi Mann, Eyal Handel, Albert Teishev, Marc Klein, Vladislav Kaploun
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Publication number: 20170146920Abstract: Herein is disclosed a magenta liquid electrostatic ink composition comprising chargeable particles comprising a resin, a pigment, a liquid carrier in which the chargeable particles are dispersed, and a charge director, wherein the resin is formable from polymerising alkylene monomers and methacrylic or acrylic acid monomers, the pigment is selected from pigment violet 19 type ?I pigment violet 19 type ?II pigment violet 19 type ?, pigment violet 19 type ?, pigment red 177, pigment red 208, pigment red 122 and pigment violet 32, and the liquid electrostatic ink composition lacks any other types of pigment. Also disclosed herein is a method of electrostatic printing and a print substrate having printed thereon the magenta liquid electrostatic ink composition.Type: ApplicationFiled: June 9, 2014Publication date: May 25, 2017Inventors: Gil Bar-Haim, Alexey S. Kabalnov, Albert Teishev, Alina Grishman, Vladislav Kaploun, Danny Feldman, Eyal Bachar
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Patent number: 9657189Abstract: There is provided a method of producing an electrostatic ink composition, the method comprising: mixing a resin, a liquid carrier, and a conductive metallic pigment having a coating of surfactant thereon, to form an electrostatic ink composition comprising the resin and the conductive metallic pigment dispersed in the liquid carrier. An electrostatic ink composition and a substrate are also described.Type: GrantFiled: May 31, 2012Date of Patent: May 23, 2017Assignee: Hewlett-Packard Indigo B.V.Inventors: Eyal Negreanu, Rada Nuchimov, Vladislav Kaploun, Gregory Katz, Inbar Adi, Yaron Grinwald, Reut Avigdor