Patents Examined by Rut Patel
  • Patent number: 8770737
    Abstract: A liquid ink including (a) a carrier, (b) a colorant including nanodiamond black, and (c) a polymeric additive selected from the group including Gum Arabic, polyacrylate salts, polymethacrylate salts, polyvinyl alcohols, hydroxyl propylcellulose, hydroxyethylcellulose, polyvinylpyrrolidinone, polyvinyl ether, starch, polysaccharides, polyethylene imines derivatized with polyethylene oxide, polyethylene imines derivatized with polypropylene oxide, and mixtures thereof.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: July 8, 2014
    Assignee: Xerox Corporation
    Inventor: Jin Wu
  • Patent number: 8757785
    Abstract: A treatment solution for ink-jet recording includes a solvent which contains at least one of water and a water-soluble organic solvent; and an N-hydroxy cyclic imide compound which is soluble in the solvent.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: June 24, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hideji Fukaya, Taro Nagano
  • Patent number: 8757788
    Abstract: An ink jet ink contains a self-dispersing pigment and a polyurethane polymer. The polyurethane polymer has units derived from a polyisocyanate, a polyol having no acid group, and a diol having an acid group. The polyurethane polymer has a cross-linked structure and an acid value of the polyurethane polymer is 60 mgKOH/g or more and 100 mgKOH/g or less.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: June 24, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Yuuki Nishino, Yoichi Takada, Hirofumi Ichinose, Hiroshi Tomioka
  • Patent number: 8746869
    Abstract: An ink for inkjet recording, containing: dispersed particles A; dispersed particles B; a water-soluble solvent; a surfactant; and water, wherein the dispersed particles A are coloring particles obtained by dispersing an organic pigment in water with assistance of a surfactant, and the dispersed particles B are coloring particles obtained by dispersing a polymer-coated organic pigment in water.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: June 10, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Akihiko Matsuyama, Ichiroh Fujii, Yuuki Yokohama, Kiyofumi Nagai, Hiroshi Gotou
  • Patent number: 8746866
    Abstract: An ink set containing a water-based ink for ink jet recording and a treatment liquid. The water-based ink contains a phosphate group-modified self-dispersing pigment, water, and a water-soluble organic solvent. The treatment liquid contains a monovalent metal ion, water, and a water-soluble organic solvent.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: June 10, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hiromitsu Sago, Masashi Tsuda, Shunichi Higashiyama, Kazuma Goto, Akihiko Taniguchi, Narumi Koga, Michiko Aoyama
  • Patent number: 8740367
    Abstract: A multi-phase system for creating a metallic effect on a substrate, including applying to the substrate a first ink jet ink having a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet includes at least one crosslinkable polymer or is otherwise energy curable. The second ink jet ink optionally imparts a color to the metallic image.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: June 3, 2014
    Assignee: Electronics for Imaging, Inc.
    Inventors: Paul A. Edwards, Sandra Zinke, Joshua Samuel, Matthew Tennis
  • Patent number: 8733920
    Abstract: To provide an inkjet recording ink, which contains water, a water-soluble organic solvent, a colorant, and a surfactant, wherein the colorant contains a surfactant-dispersible pigment (A) dispersed by the surfactant, and a resin-coated pigment (B), and wherein the surfactant is a surfactant selected from the group consisting of anionic surfactants represented by the following formula (1), and having HLB value of 12 or higher: R1—O—(CH2CH2O)m-A??(1) where R1 is a C2-C24 alkyl group, alkenyl group, alkylphenyl group, or alkylallyl group; A is —COOM1, —SO3M2, or —PO(OM3)OM4, where M1, M2 and M4 are each independently alkali metal, quaternary ammonium, quaternary phosphonium, or alkanolamine, and M3 is a hydrogen atom or R2(CH2CH2O)n with proviso that R2 is a C1-C4 alkyl group, alkenyl group, alkylphenyl group, or alkylallyl group, and n is an integer of 4 to 20; and m is and integer of 15 to 40.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: May 27, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Tomohiro Nakagawa
  • Patent number: 8727517
    Abstract: The present disclosure provides apparatus and method for supplying uninterrupted flow of solid-ink pellets to an image-forming device. The apparatus includes a container for retaining solid-ink pellets, and a selectably-inflatable bladder disposed within the container. Further, the apparatus includes a tube communicating the bladder with a pressure supply.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: May 20, 2014
    Assignee: Xerox Corporation
    Inventors: Michael Q Lu, Robert B Anderson, Jr., John R. Uchal, D Clay Johnson, Eliud Robles Flores
  • Patent number: 8727523
    Abstract: An inkjet recording ink including: a colorant; surfactant A; surfactant B; a water-soluble organic solvent; and water, wherein the surfactant A is represented by General Formula (1), and the surfactant B is at least one selected from compounds represented by General Formulas (2a) and (2b): where Rf represents CF3, CF2CF3, (CF2)3F or (CF2)4F, X and Y each are an integer of 1 or greater, and X+Y=4 or 5; where R3 and R4 each represent a hydrogen atom or a C1-20 alkyl group, r is a real number of 0 to 7, and s is a real number of 1 to 10, where each of R3 and R4 represents a hydrogen atom or a C1-20 alkyl group, t is a real number of 0 to 7, and u is a real number of 1 to 10.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: May 20, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Takashi Tamai, Michihiko Namba, Akihiko Matsuyama
  • Patent number: 8727520
    Abstract: After one ink of a white ink or a silver ink is ejected in a predetermined position of a recording medium such as a piece of recording paper to form a base layer, the other ink thereof is ejected on the base layer to form an intermediate layer, and a clear ink is ejected on the intermediate layer to form an epidermal layer.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: May 20, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Kinya Ozawa
  • Patent number: 8708474
    Abstract: An ink composition includes a compound having a structure represented by the following Formula (I), a polymerization initiator and water; wherein, in Formula (I), R1 represents a hydrogen atom or a methyl group; X1 represents —O— or —NH—; A1 represents —O— or —NH—; M1 represents a metal atom; and n represents an integer of from 1 to 10.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: April 29, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Koji Yasuda
  • Patent number: 8702199
    Abstract: The invention provides a maintenance liquid, containing water, a water-soluble organic solvent, and at least one of a water-soluble silicate represented by Formula (1) or colloidal silica: xM2O.ySiO2,??Formula (1) wherein, in Formula (1), M represents K or Na, x represents 1 or 2, and y represents an integer of 1 to 5.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: April 22, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Masao Ikoshi, Mika Imamura, Ryo Saito
  • Patent number: 8702217
    Abstract: A phase change magnetic ink and process for preparing same including comprising a phase change ink carrier; an optional colorant; an optional dispersant; an optional synergist; an optional antioxidant; and a polymer coated magnetic nanoparticle comprising a magnetic core and a polymeric shell disposed thereover.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: April 22, 2014
    Assignee: Xerox Corporation
    Inventors: Gabriel Iftime, Peter G. Odell, Marcel P. Breton
  • Patent number: 8690303
    Abstract: An image forming method includes ejecting an ink composition including a volatile organic solvent with a solubility parameter of 20 MPa1/2 to 25 MPa1/2, acid-functionalized polymer colloid particles with a glass transition temperature of 25° C. to 85° C., and a pigment with a surface at least a part of which is coated with a polymer, onto a non-porous substrate by an ink jet method to form an image, and the absolute value of the difference between the solubility parameter of the non-porous substrate and the solubility parameter of the volatile organic solvent of the ink composition falls within 15 MPa1/2.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: April 8, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Minoru Sakai, Terukazu Yanagi
  • Patent number: 8690304
    Abstract: A treatment solution used for ink-jet recording, includes a quaternary alkylammonium salt represented by general formula (1) and water: wherein R1 to R3 are alkyl groups each having 1 to 3 carbon atoms, and are identical with each other or different from each other; R4 is an alkyl group having 8 to 16 carbon atoms; each of the alkyl groups of R1 to R4 is a substituted alkyl group or an unsubstituted alkyl group, and has a straight chain or a branched chain; and X? is one of inorganic acid ion, organic acid ion, and hydroxide ion.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: April 8, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Junichiro Sugimoto, Ryuji Kato
  • Patent number: 8684508
    Abstract: There is provided a treatment solution used for ink-jet recording, including: quaternary alkylammonium hydroxide represented by general formula (1); an acid including at least one of dicarboxylic acid and tricarboxylic acid; and water; wherein the quaternary alkylammonium hydroxide is neutralized, to be a quaternary alkylammonium salt, by the at least one of the dicarboxylic acid and the tricarboxylic acid to have a degree of neutralization which is not less than 50% and not more than 110%; wherein each of R1, R2, R3 and R4 is an alkyl group having 1 to 4 carbon atoms; the alkyl group is a substituted alkyl group or an unsubstituted alkyl group, and is a straight chain alkyl group or a branched chain alkyl group; and the R1 to R4 are same with or different from one another.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: April 1, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Ryuji Kato, Junichiro Sugimoto
  • Patent number: 8678575
    Abstract: A solid ink printer is configured to learn the identity of solid ink sticks for printer operation. The solid ink printer includes a feed channel having an insertion opening configured to receive solid ink sticks, a sensor positioned near the insertion opening of the feed channel and configured to obtain solid ink stick type data from a solid ink stick inserted into the insertion opening of the feed channel, and a controller communicatively coupled to the sensor to receive the solid ink stick type data, the controller being configured to store the solid ink stick type data in a memory in response to an initialization signal and to operate the solid ink printer with reference to the solid ink stick type data stored in the memory by the controller.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: March 25, 2014
    Assignee: Xerox Corporation
    Inventors: Karen V. Zocchi, Brent R. Jones, Timothy L. Crawford, Douglas B. Henkle, Patricia L. Werner
  • Patent number: 8672464
    Abstract: Provided is a treatment liquid used for ink-jet recording including polyallylamine, water, and at least one acid selected from the group consisting of amidosulfonic acid, and itaconic acid.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: March 18, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Ryuji Kato, Hitomi Sadohara, Noriaki Satoh, Chisato Hayashi, Eiji Kawamura
  • Patent number: 8672466
    Abstract: An ink composition includes a polymerization initiator, water, and a modified polyallylamine or modified polyvinylamine having an ethylenically unsaturated double bond in a side chain thereof.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: March 18, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Koji Yasuda
  • Patent number: 8668320
    Abstract: A treatment liquid for ink jet recording, containing a polyvalent metal ion and water. A dissolved carbon dioxide concentration in the treatment liquid is 4 mg/l or lower.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: March 11, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masaya Fujioka, Noriaki Satoh