Patents by Inventor Albert Teishev

Albert Teishev 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).

  • ELECTROSTATIC INK COMPOSITIONS
    Publication number: 20180031994
    Abstract: Herein is disclosed a cyan electrostatic ink composition, the cyan electrostatic ink composition comprising: a cyan pigment, a basic dispersant, a phthalocyanine having acid groups, a resin and a charge director.
    Type: Application
    Filed: January 30, 2015
    Publication date: February 1, 2018
    Inventors: Tal ROSENTHAL, Marc KLEIN, Albert TEISHEV, Gil BAR-HAIM
  • MANUFACTURE OF A CHARGE DIRECTOR
    Publication number: 20180024456
    Abstract: 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: Application
    Filed: April 2, 2015
    Publication date: January 25, 2018
    Applicant: HP Indigo B.V.
    Inventors: Hanit Marom Tchaicheeyan, Eyal Bachar, Julia Kornilov, Albert Teishev
  • ELECTROPHOTOGRAPHIC VARNISH COMPOSITION
    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
  • LIQUID ELECTROPHOTOGRAPHIC VARNISH COMPOSITION
    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
  • FLEXIBLE PACKAGING MATERIAL
    Publication number: 20170361572
    Abstract: Flexible packaging materials with electrophotographically printed images or information, and processes for preparing such flexible packaging materials are disclosed.
    Type: Application
    Filed: November 12, 2014
    Publication date: December 21, 2017
    Inventors: Asaf Salant, David Idan, Raia Slivniak, Albert Teishev, Amnon Levi
  • Liquid electrophotographic ink composition
    Patent number: 9823597
    Abstract: 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; cooling the carrier fluid to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is at least partially formed on the pigment particles; reheating the suspension of partially coated white pigment particles in the carrier fluid; and cooling the carrier fluid at a controlled rate 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: Grant
    Filed: July 29, 2014
    Date of Patent: November 21, 2017
    Assignee: Hewlett-Parkard Indigo B.V.
    Inventors: Adi Mann, Eyal Handel, Albert Teishev, Marc Klein
  • FLEXIBLE PACKAGING MATERIAL
    Publication number: 20170326774
    Abstract: Flexible packaging materials with electrophotographically printed images or information, and processes for preparing such flexible packaging materials are disclosed.
    Type: Application
    Filed: November 12, 2014
    Publication date: November 16, 2017
    Inventors: David Idan, Albert Teishev, Amnon Levi, Raia Slivniak, Asaf Salant
  • FLEXIBLE PACKAGING MATERIAL
    Publication number: 20170320253
    Abstract: Flexible packaging materials with electrophotographically printed images or information, and processes for preparing such flexible packaging materials are disclosed.
    Type: Application
    Filed: November 12, 2014
    Publication date: November 9, 2017
    Inventors: Asaf Salant, David Idan, Raia Slivniak, Albert Teishev, Amnon Levi
  • Method of producing an electrostatic ink composition
    Patent number: 9770738
    Abstract: A method of producing an electrostatic ink composition, the method comprising: providing a precursor ink composition comprising a resin and a pigment dispersed in a liquid carrier; wherein the precursor ink composition comprises 30 wt % or more non-volatile solids; and spraying a lubricating liquid onto the surface of the precursor ink composition to form the electrostatic ink composition.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: September 26, 2017
    Assignee: Hewlett-Packard Indigo B.V.
    Inventors: Eyal Bachar, Marc Klein, Albert Teishev, Hanit Marom Tchaicheeyan
  • Liquid electrophotographic inks
    Patent number: 9740131
    Abstract: A method of manufacturing a liquid electrophotographic ink concentrate includes: milling a mixture comprising ink pigments and polyamine-based dispersants in the presence of milling media to produce nano-scale ink pigments having an average particle size of less than 100 nanometers; and attaching at least one nano-scale ink pigment near surfaces of a base resin particle to form a pigment-resin composition.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: August 22, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hou T. Ng, Howard S. Tom, Albert Teishev
  • LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITION
    Publication number: 20170227877
    Abstract: 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: Application
    Filed: July 29, 2014
    Publication date: August 10, 2017
    Inventors: Adi Mann, Albert Teishev, Eyal Handel, Marc Klein, Olga Kagan, Yaron Grinwald, Vladislav Kaploun
  • LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITION
    Publication number: 20170227878
    Abstract: 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: Application
    Filed: July 29, 2014
    Publication date: August 10, 2017
    Inventors: Adi Mann, Eyal Handel, Albert Teishev, Marc Klein, Vladislav Kaploun
  • High opacity white inks containing MICA-based minerals with titania
    Patent number: 9720341
    Abstract: A high opacity white ink containing a mica-based mineral with titania is provided. A method of manufacturing the high opacity white ink is also provided.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: August 1, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sivapackia Ganapathiappan, Hou T. Ng, Albert Teishev
  • Dispersed white inks
    Patent number: 9714352
    Abstract: A dispersed white ink contains TiO2, wherein the TiO2 includes particles contained in a thermoplastic polymer resin matrix and wherein the particles have a maximum interparticle distance of less than 1.0 ?m and exhibit a statistical variance of less than 0.02. A process for manufacturing the dispersed white ink is also provided.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: July 25, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Doris Chun, Hou T. Ng, Albert Teishev
  • Electrostatic ink compositions
    Patent number: 9709915
    Abstract: Herein is disclosed an electrostatic ink composition comprising: a) chargeable particles comprising a resin; b) a charge director comprising a sulfosuccinate salt of the general formula M?Am, wherein M? is a metal, m is the valence of M?, and A is an ion of the general formula (I): (I) [R3—O—C(O)CH2CH(SO3)C(O)—O—R4]? wherein each of R3 and R4 is an alkyl group; and c) an optionally substituted naphthalene-sulfonate moiety. Also disclosed is a method of manufacturing an electrostatic ink composition and a printed medium having printed thereon an electrostatic ink composition.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: July 18, 2017
    Assignee: Hewlett-Parkard Indigo B.V.
    Inventors: Emad Masoud, Yael Kowal-Blau, Albert Teishev, Nurit Carmel-Barnea
  • LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITION
    Publication number: 20170192372
    Abstract: 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; cooling the carrier fluid to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is at least partially formed on the pigment particles; reheating the suspension of partially coated white pigment particles in the carrier fluid; and cooling the carrier fluid at a controlled rate 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: Application
    Filed: July 29, 2014
    Publication date: July 6, 2017
    Applicant: Hewlett-Packard Indigo B.V.
    Inventors: Adi Mann, Eyal Handel, Albert Teishev, Marc Klein
  • ELECTROSTATIC PRINTING SYSTEMS
    Publication number: 20170157974
    Abstract: The present disclosure relates to a system for electrostatic printing. The system comprises a UV colorant comprising a rare earth diketonate, a thermoplastic resin and an additive selected from at least one of an acid having a pKa of 1 to 5 and a hydroxide. The system may be used to print a security feature on a print substrate.
    Type: Application
    Filed: April 7, 2014
    Publication date: June 8, 2017
    Inventors: Alexey S. Kabalnov, Sarah Olakemi Akinlabi, Gil Bar-Haim, Albert Teishev
  • DISPERSED WHITE INKS
    Publication number: 20170158889
    Abstract: A dispersed white ink contains TiO2, wherein the TiO2 includes particles contained in a thermoplastic polymer resin matrix and wherein the particles have a maximum interparticle distance of less than 1.0 ?m and exhibit a statistical variance of less than 0.02. A process for manufacturing the dispersed white ink is also provided.
    Type: Application
    Filed: March 31, 2014
    Publication date: June 8, 2017
    Inventors: Doris Chun, Hou T. Ng, Albert Teishev
  • ELECTROSTATIC INK COMPOSITIONS
    Publication number: 20170146919
    Abstract: Herein is disclosed an electrostatic ink composition, wherein the composition is formable by combining: chargeable particles comprising a resin, a charge director comprising a sulfosuccinate salt, and a non-polymeric, non-fatty acid having a pKa, when measured in water at 20° C., of at least 1. Also disclosed herein is a method of forming an electrostatic ink composition, and a method of electrostatic printing.
    Type: Application
    Filed: April 30, 2014
    Publication date: May 25, 2017
    Inventors: Gil Bar-Haim, Alina Grishman, Ilanit Mor, Albert Teishev
  • ELECTROSTATIC INK COMPOSITIONS
    Publication number: 20170146920
    Abstract: 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: Application
    Filed: June 9, 2014
    Publication date: May 25, 2017
    Inventors: Gil Bar-Haim, Alexey S. Kabalnov, Albert Teishev, Alina Grishman, Vladislav Kaploun, Danny Feldman, Eyal Bachar