Organic Oxygen Compound Containing Patents (Class 106/31.86)
  • Patent number: 10865321
    Abstract: An oil-based inkjet ink is disclosed, the oil-based inkjet ink containing a pigment, a pigment dispersant and a non-aqueous solvent, wherein the pigment contains an acidic carbon black having a pH of 2 to 6, the non-aqueous solvent contains a modified silicone oil having a surface tension of not more than 27 mN/m, and an amount of the modified silicone oil, relative to a total mass of the oil-based inkjet ink, is at least 15% by mass but not more than 80% by mass.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: December 15, 2020
    Assignee: RISO KAGAKU CORPORATION
    Inventors: Kazuyuki Ando, Shinichiro Shimura, Marie Morinaga, Hikaru Sugiura
  • Patent number: 10787585
    Abstract: An aqueous ink for ink jet recording includes a coloring material, a water-dispersible polysiloxane-based defoaming agent, a water-soluble silicone-based surfactant, a glycol-based solvent, and resin particles including a non-ionic reactive surfactant in a constituent unit.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: September 29, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Hiroshi Ito
  • Patent number: 10703922
    Abstract: An aqueous composition for forming a micro-fluid jet printable dielectric film layer, methods for forming dielectric film layers, and dielectric film layers formed by the method. The aqueous composition includes from about 5 to about 20 percent by 65 weight of a polymeric binder emulsion, from about 10 to about 30 percent by weight of a humectant, from about 0 to about 3 percent by weight of a surfactant, and an aqueous carrier fluid. The aqueous composition has a viscosity ranging from about 2 to about 6 centipoise at a temperature of about 23° C.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: July 7, 2020
    Assignee: Funai Electric Co., Ltd.
    Inventors: Xiaorong Cai, Michael John Dixon, Yimin Guan, Ann P. Holloway, Jeanne Marie Saldanha Singh, Zhigang Xiao
  • Patent number: 10655030
    Abstract: The present invention relates to a water-based ink including a pigment, a water-insoluble polymer, an organic solvent and a surfactant, in which the organic solvent includes at least a glycol ether which has a viscosity of from 2.0 to 7.0 mPa·s and a vapor pressure from 0.01 to 7.0 hPa as measured at 20° C., and a content of a glycol ether having a viscosity of not less than 6.0 mPa·s as measured at 20° C. as a component of the glycol ether in the water-based ink is from 0 to 5% by mass; the surfactant includes a silicone-based surfactant and a content of the silicone-based surfactant in the water-based ink is from 0.005 to 0.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 19, 2020
    Assignee: KAO CORPORATION
    Inventors: Hirotaka Takeno, Yuki Wakabayashi, Kaname Mitsuyoshi, Takahiro Yoshikawa
  • Patent number: 10639905
    Abstract: Provided are an ink set including: an ink composition which contains a colorant and water, and a treatment liquid which contains water-insoluble resin particles having a constitutional unit derived from a first monomer that contains at least one group selected from a sulfo group and a salt of the sulfo group and a constitutional unit derived from a second monomer that has at least one structure selected from an aromatic ring structure and an alicyclic structure, a compound that causes the colorant in the ink composition to aggregate, and water; and an image recording method.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: May 5, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Katsuhiro Shimono, Takuya Arai
  • Patent number: 10633548
    Abstract: An ink composition contains water, at least one surfactant, and a pigment. The pigment has a specific surface area of 10 m2/g or more and 50 m2/g or less as determined by pulsed NMR at 30° C.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: April 28, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Ryosuke Teramoto, Yukiko Ii, Tetsuya Aoyama
  • Patent number: 10501649
    Abstract: Provided is an aqueous ink composition for a writing instrument which is excellent in a drying property of drawn lines and a low temperature stability of the ink while inhibiting the pen tip from drying and which prevents the drawn lines from causing feathering and strike-through. The aqueous ink composition for a writing instrument described above contains at least a colorant, trimethylglycine, pentaerythritol, 10% by mass or less of a water-soluble organic solvent and water.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: December 10, 2019
    Assignee: MITSUBISHI PENCIL COMPANY, LIMITED
    Inventor: Hisato Haga
  • Patent number: 10300708
    Abstract: A non-aqueous ink jet composition includes a surface-treated metal powder, wherein a dissolved oxygen reduction rate is 2.0 kPa/h or more and 20.0 kPa/h or less in an environment of 25° C. and 1.0 atm.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: May 28, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Hiroaki Kida, Naoyuki Toyoda, Masaru Terada
  • Patent number: 10273373
    Abstract: Provided is an ink containing water, a coloring material, and a copolymer, wherein the copolymer contains a structural unit represented by any one of general formulae (1a), (1b), and (1c) below and a structural unit containing an anionic group, where R1 represents a hydrogen atom or a methyl group, a represents an integer of from 6 through 10, and b represents an integer of 0 or 1, where R2 represents a hydrogen atom or a methyl group, c represents an integer of 3 or 4, and d represents an integer of 0 or 1, where R3 represents a hydrogen atom or a methyl group and e represents an integer of from 2 through 10.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: April 30, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Koichiro Oyama, Takuya Yamazaki, Akiyoshi Sabu, Yoshiki Yanagawa, Akihiko Matsuyama
  • Patent number: 10253191
    Abstract: The present invention is related to magnetic pigments comprising a transparent flaky homogeneously composed substrate having two parallel major surfaces and a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments as well as to their use.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: April 9, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
  • Patent number: 10066112
    Abstract: A white ink containing one or more organic solvents including 40 percent by mass or more of an amide compound of formula 1 is provided: wherein, R1 represents a straight-chained or branch-chained alkyl group having one to six carbon atoms, R2 and R3 each, independently represent hydrogen atoms or straight-chained or branch-chained alkyl groups having 1 to 4 carbon atoms.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: September 4, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuta Nakamura, Michihiko Namba, Hiroaki Takahashi, Hikaru Kobayashi
  • Patent number: 9815995
    Abstract: An ink for ink-jet printing used for ink-jet printing images onto the ink non-absorptive surfaces of cylindrical containers, and comprising at least a water-soluble solvent, a coloring material, a surfactant, a thickener and/or a binder resin, the coloring material being contained in an amount of 5 to 20% by weight, the surfactant in an amount of 0.1 to 5% by weight, the thickener in an amount of not more than 10% by weight, and the binder resin being contained in an amount of not more than 30% by weight. Owing to its ink-jet printability, the ink for ink-jet printing of the invention can be favorably used for printing images on the non-absorptive cylindrical containers such as seamless cans that are used for containing beverages and foods.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: November 14, 2017
    Assignees: TOYO SEIKAN GROUP HOLDINGS, LTD., TOKAN MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Koji Yamada, Kenji Hayashi, Yukiko Saito, Hiroshi Shimomura
  • Patent number: 9783693
    Abstract: An ink comprising: (a) from 1 to 20 parts of surface treated titanium dioxide; (b) from 20 to 70 parts of viscosity modifier; (c) from 5 to 30 parts of one or more water miscible polar organic solvent(s); (d) from 0.1 to 3 parts of surfactant; (e) from 0.001 to 5 parts of biocide; (f) from 0 to 20 parts of polymer particles; (g) the balance to 100 parts water; wherein the ink has a viscosity in the range of from 10 to 25 mPa·s when measured at 32° C. using a Brookfield spindle SOO at 3 or 12 rpm depending on whether the viscosity is < or >16 mPa·s. Also ink jet printing processes, printed substrates, ink containers and ink-jet printers.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: October 10, 2017
    Assignee: Fujifilm Imaging Colorants, Inc.
    Inventor: Christopher Oriakhi
  • Patent number: 9663674
    Abstract: A water-based ink for ink-jet recording includes: a pigment; water; at least one of a water-soluble resin having a minimum film-forming temperature of not more than 80° C. and a water-dispersible resin having a minimum film-forming temperature of not more than 80° C.; and a micelle-forming compound having an alkyl group and an oxyethylene chain.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: May 30, 2017
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hiroyuki Tanaka, Mitsunori Maeda
  • Patent number: 9546289
    Abstract: An ink composition for continuous deflected ink jet printing, which is liquid at ambient temperature, comprising: a solvent comprising, preferably consisting of, one or more organic solvent compound(s), and optionally water; a binder, comprising a saturated copolyester resin and a terpene-phenol resin; a compound having an ethylenically unsaturated double bond and a silicon chain; optionally, one or more dye(s) and/or pigment(s). A method for marking a substrate, support or object by spraying this ink composition on a surface of this substrate, support or object. A substrate, support or object, notably a polyolefin bottle or stopper, cap, for example made of polyethylene, provided with a marking obtained by drying, and/or absorption in the substrate, support or object, of this ink composition.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: January 17, 2017
    Assignee: MARKEM-IMAJE HOLDING
    Inventors: Cécile Goustiaux, Antoine Bataille
  • Patent number: 9522532
    Abstract: There is provided an ink jet recording apparatus equipped with an ink for ink jet recording, and a discharge unit that discharges a liquid droplet of the ink onto a recording medium, wherein the ink contains at least a colorant, a polymer particle, a water-soluble organic solvent, and water, and has a dynamic surface tension after 1 msec of 32 mN/m or less, a dynamic surface tension after 1 sec of less than 30 mN/m, when the dynamic surface tension is measured by a maximum bubble pressure method, and has a variation width in the dynamic surface tension for the period from 1 msec after to 1 sec after of from 0.2 mN/m to 3.0 mN/m, a recording speed is from 10 m/min to 50 m/min.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: December 20, 2016
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirohito Yoneyama, Hiroyuki Ueki, Mami Hatanaka, Reika Yomogida
  • Patent number: 9499702
    Abstract: In transfer image recording with the use of an intermediate transfer body whose surface on the side where an intermediate image is to be formed has a polyalkylsiloxane structure, an ink is used that contains at least a pigment, water, a water-soluble organic solvent, and a polyether-modified siloxane compound. Good and poor solvents for the polyether-modified siloxane compound are contained as the water-soluble organic solvent. The content of the polyether-modified siloxane compound in the ink is 3% by mass or more and 20% by mass or less based on the total mass of the ink.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: November 22, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mamiko Kaji, Takashi Imai
  • Patent number: 9393792
    Abstract: A liquid discharge recording apparatus includes: a liquid containing first glycol ether; a liquid discharge head which discharges the liquid; an absorber which absorbs the liquid discharged from the liquid discharge head; and second glycol ether which is contained in the absorber and of which vapor pressure is lower than that of the first glycol ether.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: July 19, 2016
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noriaki Satoh, Junichiro Sugimoto, Ayako Ohishi, Akihiko Taniguchi
  • Patent number: 9328252
    Abstract: The invention relates to an ink composition comprising a pigment, an aqueous vehicle, a host compound having a cavity and a surface active agent, wherein the surface active agent is capable of binding to the cavity of the host compound. The invention further relates to a method for preparing such ink compositions and to a method for applying an image onto a receiving medium using such ink composition.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: May 3, 2016
    Assignee: OCE-TECHNOLOGIES B.V.
    Inventor: Richard Van Hameren
  • Patent number: 9315684
    Abstract: The present invention provides an ink composition that contains a pigment, a dispersant, a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1: where R represents hydrogen, an alkyl group having one to three carbon atoms, or chlorine, wherein the ink composition satisfies the following relations 1 and 2: 0.050?X/Y?0.120??Relation 1 0.700?Z/Y?1.050??Relation 2 where X represents a minimum absorbance in a wavelength range of from 400 nm to 450 nm, Y represents an absorbance of a maximum peak in a wavelength range of from 500 nm to 550 nm, and Z represents an absorbance of a maximum peak in a wavelength range of from 550 nm to 600 nm.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: April 19, 2016
    Assignee: Ricoh Company, Ltd.
    Inventor: Akihiko Matsuyama
  • Patent number: 9267046
    Abstract: Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuK? X-ray diffraction spectrum having a wavelength of 1.541 ? such that no main peak is observed at a Bragg (2?±0.2°) angle in a range of 2? of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: February 23, 2016
    Assignee: Ricoh Company, Ltd.
    Inventors: Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh
  • Patent number: 9163153
    Abstract: Metallic ink compositions for use in capillary-action markers are provided. More particularly, a metallic ink composition includes a polar solvent, an encapsulated metallic pigment, and a resin component.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 20, 2015
    Assignee: SANFORD, L.P.
    Inventor: Wing Sum Vincent Kwan
  • Patent number: 9150744
    Abstract: The present invention relates to an ink-jet recording ink which can simultaneously achieve long-term preservation stability, high luster, and light fastness of a printed image, and an aqueous pigment liquid dispersion to produce the ink. Moreover, the present invention relates to a production method of the aqueous pigment liquid dispersion. For the aforementioned objects, the applicant provides an aqueous pigment liquid dispersion, including: C. I. pigment green 36 (a); a styrene-acrylic acid type copolymer (b); a basic compound (c); and a wetting agent (d), wherein the styrene-acrylic acid type copolymer (b) has styrene-based monomer units of 60 mass % or more in the total of all the monomer units, an acid value of 120 to 240, and a weight average molecular weight of 6,000 to 40,000, and the mass ratio (b)/(a) is within a range from 0.15 to 0.25.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: October 6, 2015
    Assignee: DIC Corporation
    Inventors: Satoshi Idemura, Kenji Sugo, Hiroshi Katsube, Masanori Fujimaki
  • Patent number: 9127177
    Abstract: A water-based ink for use in a computer-to-plate inkjet printing and a preparation method therefor. A polymer of 5 to 40 wt %, an additive of 0.01 to 10 wt %, a dye or pigment of 0.01 to 10 wt %, an organic solvent of 1 to 30 wt %, an anti-foaming agent of 0 to 5 wt %, and deionized water are stirred and mixed at room temperature. When the polymer is dissolved, the mixed solution is filtered. The filtrate is the water-based ink. The water-based ink is sprayed via a computer-to-plate machine onto a surface of a metal substrate (which may be an aluminum plate, a zinc plate, or a copper plate) to form a graphic region. A printing plate allowing for computer-to-plate printing is acquired after solidification. The printing plate acquired is allowed to achieve a halftone dot reproduction rate between 2 and 99% and a recognition rate of 175 lpi.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: September 8, 2015
    Assignee: Institute of Chemistry, Chinese Academy of Sciences
    Inventors: Wei Wu, Haihua Zhou, Yanlin Song
  • Patent number: 9109129
    Abstract: An inkjet ink of the present invention including: water; an organic solvent; a surfactant; and a colorant, wherein the organic solvent comprises the following (1), (2) and (3): (1) at least one polyhydric alcohol having an equilibrium moisture content of 30% by mass or higher at a temperature of 23° C. and humidity of 80% RH; (2) an amide compound expressed by the Structural Formula (I); (3) a compound expressed by the Structural Formula (II); a compound expressed by the Structural Formula (III), or a compound represented by the General Formula (I), or any combination thereof.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: August 18, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Goto, Hidetoshi Fujii, Yuuki Yokohama
  • Patent number: 9039824
    Abstract: An inkjet ink includes an organic solvent, a resin, a surfactant, and a colorant. The ink has a decap time of at least about 1 minute.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: May 26, 2015
    Assignee: Videojet Technologies Inc.
    Inventors: Casey Robertson, Anthony Selmeczy, John P. Folkers
  • Patent number: 9039823
    Abstract: A coating liquid comprising: an oxazoline group-containing resin; an alkanediol having 7 or more carbon atoms; a surfactant; and water.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: May 26, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Shuichi Koganehira, Shinichi Yamamoto
  • Patent number: 9028600
    Abstract: An inkjet ink, which contains water, an organic solvent, a surfactant, and a colorant, wherein the organic solvent contains at least one polyhydric alcohol having an equilibrium moisture content of 30% by mass or higher at a temperature of 23° C.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: May 12, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Goto, Akihiko Gotoh, Kiyofumi Nagai, Yuuki Yokohama, Hidetoshi Fujii
  • Patent number: 9017468
    Abstract: A colorant dispersion for an ink includes a liquid medium and metal oxide particles dispersed in the liquid medium. The metal oxide particles include a mixture of i) metal oxide particle cores having an organic ligand interacted with respective surfaces thereof, ii) metal oxide particle cores having the organic ligand chemically bonded to respective surfaces thereof, and iii) products of a reaction between metal ions on respective surfaces of metal oxide particle cores and the organic ligand. The organic ligand is chosen from an organic ligand having a phenol group, an organic ligand having a carboxylate group, an organic ligand having an amine group, or combinations thereof. The metal oxide particles exhibit a color that is different from a natural color of the metal oxide particle core.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: April 28, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Raymond Adamic, Vladek Kasperchik, Vladimir Jakubek
  • Patent number: 8992675
    Abstract: An ink composition contains a coloring material, 1,2-pentanediol with a content in the range of more than 0% by mass to less than 20% by mass, and 1,2-hexanediol.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: March 31, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Hidehiko Komatsu
  • Patent number: 8992678
    Abstract: An ink set for ink jet recording is provided, the ink set containing a first ink which contains a first pigment and a second ink which contains a second pigment, wherein each of the first and second inks contains polyester-modified polydialkylsiloxane.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: March 31, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Akihito Sao, Makoto Nagase, Kenichiro Kubota
  • Publication number: 20150077480
    Abstract: An ink for inkjet includes water, a hydrosoluble organic material and a hydrodispersible colorant. The ink satisfies the following requirements (A) to (C): (A) the ink includes the hydrosoluble organic material in an amount of from 35 to 60% by weight; (B) the hydrosoluble organic material is 3-methoxy-1-butanol; and (C) the hydrodispersible colorant is a modified pigment modified with a geminal bisphosphonic acid group or a geminal bisphosphonic acid salt group.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 19, 2015
    Inventors: Hidetoshi FUJII, Hiroshi GOTOU
  • Publication number: 20150077489
    Abstract: A pigment dispersion containing metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Takeshi OYANAGI, Keitaro NAKANO
  • Patent number: 8979989
    Abstract: An ink for inkjet recording including a pigment, a penetrating agent and water, wherein the pigment includes: an ozone-oxidized carbon black, including carbon black oxidized by ozone and having a volatile matter content of the carbon black of 10% by mass to 20% by mass and a BET specific surface area of 90 m2/g to 150 m2/g; and a resin-coated carbon black, including: carbon black; and a resin present on a surface of the carbon black.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: March 17, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Minoru Hakiri, Mitsuru Naruse, Masayasu Nonogaki
  • Publication number: 20150054882
    Abstract: Ink containing a pigment, an alcohol alkoxylate-based surfactant, a water-soluble organic solvent, water, and a dispersion agent represented by the following chemical structure 1, wherein the ink has a dynamic surface tension of 36 mN/m or less when the life of foam at 25° C. as measured by the maximum bubble pressure technique is 15 msec: where R1 represents an alkyl group having one to four carbon atoms, an aryl group, and an aralkyl group having one to eight carbon atoms, L represents zero or an integer of from 1 to 7, and n represents an integer of from 20 to 80.
    Type: Application
    Filed: August 9, 2011
    Publication date: February 26, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Yuuki Yokohama, Akihiko Gotoh, Mariko Kojima
  • Patent number: 8961674
    Abstract: An inkjet ink is provided. The inkjet ink includes water; a water-soluble organic material in an amount of from 40 to 50% by weight based on the total weight of the inkjet ink; and a colorant. The water-soluble organic material includes at least one of 1,3-dimethyl-2-imidazolidinone, ?-methoxy-N,N-dimethylpropionamide, and 2-pyrrolidone in an amount of from 5 to 35% by weight based on the total weight of the inkjet ink, and further includes a compound having the following formula (1) in an amount of from 10 to 40% by weight based on the total weight of the inkjet ink.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: February 24, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidetoshi Fujii, Hiroshi Gotou
  • Patent number: 8952078
    Abstract: This invention relates to a printing ink and in particular to an ink for ink-jet printing which is cured by irradiation. The ink comprises at least one radiation-curable monomer; at least one passive thermoplastic resin; at least one radical photoinitiator; and at least one colouring agent; wherein the ink has a viscosity of less than 100 mPas at 25° C., and wherein the at least one passive resin is present at 2 to 15 wt % based on the total weight of the ink and has a molecular weight of 1,500 to 70,000.
    Type: Grant
    Filed: July 4, 2007
    Date of Patent: February 10, 2015
    Assignee: Sericol Limited
    Inventor: Nigel Paul Gould
  • Patent number: 8945294
    Abstract: An ink composition having organic pigment particles, a hydrosoluble solvent; a dispersing agent, and water, wherein each of the organic pigment particles has a circularity of 2 nm or less, which is defined as a difference between radii of concentric circumscribing and inscribed circles of a contour of an image of each of the organic pigment particles taken by a transmission electron microscope when a gap between the concentric circumscribing circle and the inscribed circle is least, wherein the inscribed circle has a diameter of from 5 nm to less than 50 nm.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: February 3, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Akihiko Matsuyama, Hiroshi Gotou
  • Publication number: 20150029273
    Abstract: Examples provide inkjet printing fluid compositions and apparatuses including such compositions. An inkjet printing fluid composition may comprise a vehicle including at least 50% weight percent water based on the inkjet printing fluid composition as a whole and substantially only one surfactant, the surfactant including alkoxylated alcohol present in the inkjet printing fluid composition from about 0.1 weight percent to about 1.0 weight percent alkoxylated alcohol.
    Type: Application
    Filed: July 26, 2013
    Publication date: January 29, 2015
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, LP
    Inventor: Abelovski Benjamin
  • Patent number: 8940088
    Abstract: In an advantage of embodiments of the invention, there is provided an aqueous ink composition at least containing water, silver particles, and a humectant, and the humectant is at least one member selected from glycerols, glycols, and saccharide.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: January 27, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Shiki Hirata, Takayoshi Kagata, Tsuyoshi Sano
  • Publication number: 20150017400
    Abstract: Oil compositions having a high concentration of polyunsaturated fatty acids are described for use in various applications including use as drying oils, in ink compositions and coating compositions. Oil compositions wherein the double bonds of the fatty acids are substantially epoxidized are described and used as plasticizers and thermal stabilizers for various halogenated polymer compositions.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 15, 2015
    Inventors: David A. Morgenstern, Vallabh Makadia, Jerald Heise, Beth J. Calabotta, Joann Estep, Nicholas J. Nissing
  • Patent number: 8932392
    Abstract: There is provided a water-based ink for ink-jet recording including: a colorant; water; glycerol; and at least one of raffinose and a derivative thereof in an amount ranging from more than 0% by weight to not more than 2% by weight with respect to an entire amount of the water-based ink. There is also provided a water-based ink for ink-jet recording including: a colorant; water; glycerol; diethylene glycol; and at least one of raffinose and a derivative thereof.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: January 13, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Chisato Hayashi
  • Patent number: 8915994
    Abstract: [Problem to be solved] A non-aqueous ink, which has excellent pigment dispersion stability and can achieve reduction or elimination of print-through, thereby achieving high print density, is disclosed. [Solution] The non-aqueous ink contains at least a pigment and an organic solvent, wherein the organic solvent contains a five-membered heterocyclic compound having a C?O bond in an amount of 50 mass % or more of the organic solvent, and the content of a polymer component in the ink is 20 mass % or less relative to the pigment.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: December 23, 2014
    Assignee: Riso Kagaku Corporation
    Inventors: Toshihiro Endo, Tetsuo Hosoya
  • Patent number: 8876962
    Abstract: Provided is an aqueous ink capable of recording an image achieving a high level of both of color developability and lightfastness. The aqueous ink includes a first pigment and a second pigment. The first pigment is C.I. Pigment Yellow 213, and the second pigment is at least one selected from the group consisting of C.I. Pigment Yellows 93, 128, 138, 151, 155, 180, and 215. The content A (% by mass) of the first pigment and the content B (% by mass) of the second pigment based on a total mass of the ink satisfy a relationship of 0.1?A/(A+B)?0.9. The ink further includes a water-soluble organic solvent having an SP value (unit: (cal/cm3)1/2) determined by Fedors' method of 11.0 or more and 16.0 or less.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: November 4, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Yamamoto, Shuichi Okazaki, Kouhei Nakagawa, Tsuyoshi Kasai
  • Patent number: 8859640
    Abstract: The present invention is to provide a coloring ink for an electrical wire to prevent a color irregularity. A coloring ink is ejected to an outer surface of an electrical wire with a certain amount of the ink to form a mark. The coloring ink contains 100 parts by weight of an ink material, which contains a solvent, an acrylic resin, and a coloring material, and 5-15 parts by weight of an aqueous PVA solution. A concentration of the aqueous PVA solution is 10-15 %.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: October 14, 2014
    Assignee: Yazaki Corporation
    Inventors: Takeshi Kamata, Keigo Sugimura
  • Patent number: 8859061
    Abstract: The present disclosure is drawn to an ink sets, printed articles, and related methods. The ink set can comprise a pre-treatment ink and a reflective ink. The pre-treatment ink can comprise a first liquid vehicle and inorganic pigment particles having an average particle size ranging from 20 nm to 300 nm and a refractive index of less than 2. The reflective ink can comprise a second liquid vehicle and metal oxide particles having an average particle size from 3 nm to 180 nm, wherein the average particle size of the metal oxide particles is smaller than the average particle size of the inorganic pigment particles. The reflective ink is formulated to have a metallic luster when overprinted on pre-treatment ink.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: October 14, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Vladek Kasperchik, Pavel Kornilovich, Xiaoqi Zhou
  • Patent number: 8858696
    Abstract: The nonaqueous ink composition for ink jet recording according to the invention includes a compound represented by the General Formula (1) below; and a compound represented by the General Formula (2A) or the General Formula (2B) below. In the General Formula (1), R1 represents an alkyl group having 1 to 4 carbon atoms, and R2 and R3 represent a methyl group or an ethyl group; in the General Formula (2A), R4A represents an alkyl group having 5 to 9 carbon atoms, and R5A represents a methyl group or an ethyl group; in the General Formula (2B), R4B represents an alkylene group having 2 to 5 carbon atoms, and R5B and R6B each independently represent alkyl groups having 1 to 4 carbon atoms.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: October 14, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Akihito Sao, Maki Nariai, Makoto Nagase, Keiji Iida, Tomoki Shinoda, Kenichiro Kubota
  • Publication number: 20140292900
    Abstract: A water-based ink for ink-jet recording includes: a pigment; water; tripropylene glycol contained not more than 28% by weight in the water-based ink; and 1,2-diol having a number of 8 to 10 carbon atoms; wherein a weight ratio (X:Y) of the tripropylene glycol (X) to the 1,2-diol (Y) in the water-based ink is in a range of X:Y=50:1 to 2.4:1.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tatsunosuke Hoshi, Kenjiro Imai
  • Patent number: 8845800
    Abstract: An image forming method applying a pretreatment liquid on the surface of a recording medium; and applying an inkjet ink including a colorant, a hydrosoluble organic solvent, a surfactant and water on the surface applied with the pretreatment liquid, wherein the hydrosoluble organic solvent includes at least one polyol including an equilibrium water content in an amount not less than 30% by weight at 23° C. and 80% RH; an amide compound having the following formula (I); and at least one of compounds having the following formulae (II) to (IV), and wherein a pure water transfers to the recording medium in an amount of from 1 to 15 mL/m2 when measured by a dynamic scanning liquid absorptometer at a contact time of 100 ms.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: September 30, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Gotou, Hidetoshi Fujii, Yuuki Yokohama
  • Patent number: 8840716
    Abstract: It is an object of the present invention to provide an ink set which makes it possible to obtain recorded images that have a broad color reproduction range and a high saturation, as well as glossiness without conspicuous graininess caused by dot expression, and which in particular makes it possible to achieve an extreme suppression of graininess caused by dot expression in cases where the ink set is used on media that have a coating layer, and to obtain recorded images with extremely superior coloring characteristics in cases where the ink set is used on ordinary paper. The present invention provides an ink set comprising at least a yellow ink (Y), magenta ink (M), cyan ink (C) and red ink (R), wherein the L* values in the CIE-stipulated Lab display system of aqueous solutions of the respective inks diluted 1000 times by weight are in the following ranges: (Y): at least 89 but no more than 94, (M): at least 76 but no more than 93, (C): at least 74 and no more than 87, (R): at least 55 and no more than 74.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: September 23, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Shuichi Koganehira