Fluid (e.g., Fluid Specifics) Patents (Class 347/95)
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Patent number: 8889762Abstract: An ink set for ink-jet recording includes a dye ink containing a water-soluble dye and water and a pigment ink containing a self-dispersible pigment and water; wherein the dye ink further contains a polymer having a lactam structure; and the pigment ink further contains a substance having a surface active ability, a blending amount of the substance having the surface active ability being set in a ratio to fulfill a condition that a line width of a one-dot line is not less than 115 ?m when an amount of one liquid droplet of the pigment ink to be discharged is set to be within a range of 22 pL to 28 pL and the one-dot line is printed on a regular paper sheet.Type: GrantFiled: August 31, 2009Date of Patent: November 18, 2014Assignee: Brother Kogya Kabushiki KaishaInventors: Yuko Iwamura, Hitomi Sadohara, Akiko Miyajima
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Patent number: 8870339Abstract: The present invention provides an inkjet image forming method including: forming an image by applying an ink composition containing a first color material and water onto a recording medium; and applying a treatment liquid containing a wax and water onto the image, wherein the treatment liquid contains a second color material, and the first color material and the second color material may be the same or different.Type: GrantFiled: February 21, 2011Date of Patent: October 28, 2014Assignee: FUJIFILM CorporationInventors: Kaoru Tojo, Minoru Sakai, Tomoyuki Ohzeki
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Patent number: 8870358Abstract: Disclosed is a water-based ink for ink jet recording, including: a colorant; water; and tetraethylene glycol monobutyl ether and pentaethylene glycol monobutyl ether, wherein: tetraethylene glycol monobutyl ether and pentaethylene glycol monobutyl ether are contained by 1% by weight to 10% by weight in total in the water-based ink for ink jet recording; and a weight ratio (X:Y) of tetraethylene glycol monobutyl ether (X) to pentaethylene glycol monobutyl ether (Y) is 50:50 to 90:10.Type: GrantFiled: January 27, 2012Date of Patent: October 28, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Satoshi Okuda, Masaya Fujioka, Noriaki Satoh, Tatsunosuke Hoshi, Junichiro Sugimoto, Kenjiro Imai, Eiji Kawamura
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Publication number: 20140313265Abstract: A filling liquid for distribution of an ink jet head of a thermal type, the filling liquid filling a nozzle flow path during distribution of the ink jet head, a hydrophilic region formed on a periphery of an ink discharge port having an opening area of from 100 to 350 ?m2, the filling liquid including: an aqueous medium having at least a water-soluble organic compound and water as constituents; and a dye dissolved in the aqueous medium, a concentration of the dye in the filling liquid being 0.2 mass % or more and 1 mass % or less with respect to a total mass of the filling liquid and the concentration of the dye being equal to or less than saturation solubility with respect to the water-soluble organic compound, wherein the filling liquid has a surface tension of 25 mN/m or more and 34 mN/m or less.Type: ApplicationFiled: March 7, 2014Publication date: October 23, 2014Applicant: CANON FINETECH INC.Inventors: Eriko Himura, Shintaro Suzuki, Yusuke Sumikawa, Takahiro Tsutsui, Shoji Koike
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Patent number: 8857969Abstract: Disclosed is an ink composition with excellent adhesiveness of an image on a recording medium and recoverability after being left for a period. The ink composition of the present invention contains coloring particles that include a quinacridone solid solution pigment including two or more types of quinacridone-based compounds, a synergist including a basic group, and a high-molecular weight vinyl polymer, a water-soluble polymerizable compound, a polymerization initiator and water.Type: GrantFiled: August 15, 2012Date of Patent: October 14, 2014Assignee: FUJIFILM CorporationInventors: Mika Imamura, Misato Sasada
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Patent number: 8857964Abstract: An inkjet ink composition includes latex polymer particles. The latex polymer particles are present in the ink composition in an amount ranging from about 0.5 wt % to about 40 wt %. The latex polymer particles have: a Tg ranging from about ?40° C. to about 125° C.; and up to about 100% of total cross-linkable sites being present: on surfaces of the latex polymer particles; throughout a bulk of the latex polymer particles; or combinations thereof. The latex polymer particles are formed from monomers including at least one hydrophobic monomer, at least one acidic monomer, and at least one crosslinkable monomer, the at least one crosslinkable monomer including at least one keto group. The ink composition further includes at least one cross-linker compound selected from the group consisting of diamino compounds, polyamino compounds, and combinations thereof. Yet further, the ink composition includes at least one colorant and at least one aqueous solvent.Type: GrantFiled: April 13, 2009Date of Patent: October 14, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sivapackia Ganapathiappan, Howard S. Tom, Hou T. Ng
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Patent number: 8857967Abstract: A set of an ink containing a self-dispersible pigment and a water-soluble resin, which is a copolymer having a unit derived from (meth)acrylic acid, and a reaction liquid containing a surfactant, which is an ethylene oxide adduct of a higher alcohol of a linear primary or secondary alcohol or an isoalkyl alcohol and has a HLB value of 13.0 or more determined by the Griffin method, and having buffering ability in an acid region. Content of the surfactant in the reaction liquid is 0.20 times or more in terms of mass ratio as much as total content of the pigment and water-soluble resin.Type: GrantFiled: April 10, 2012Date of Patent: October 14, 2014Assignee: Canon Kabushiki KaishaInventors: Arihiro Saito, Mikio Sanada, Kenji Moribe
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Patent number: 8857968Abstract: An object of the present invention is to provide an ink composition which has excellent storage stability and has good curing sensitivity regardless of the type of a light source for irradiation, and an ink container. Another object of the present invention is to provide an ink jet recording method which provides a cured image having excellent image gloss even with an LED light source. The ink composition comprises: a radically polymerizable compound; a radical polymerization initiator; and a colorant, and having a dissolved oxygen content of 9 mg/L or more. The ink container, having a gas-impermeable structure and encapsulates the ink composition. The ink jet recording method comprises: a degassing step of reducing a dissolved oxygen between the ink container that stores the ink composition and ink-discharging nozzles; and a discharging step of discharging the degassed ink composition from the nozzles.Type: GrantFiled: May 29, 2012Date of Patent: October 14, 2014Assignee: FUJIFILM CorporationInventors: Yusuke Fujii, Kyohei Mochizuki
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Patent number: 8851649Abstract: A 1K UV-ink jet printing ink composition comprising effect pigments, wherein the composition comprises: a) at least one difunctional (meth)acrylate monomer, b) at least one photoinitiator, c) effect pigments having a volume averaged particle size distribution with a D98<10 ?m, d) optionally trifunctional and/or polyfunctional (meth)acrylate monomers, and wherein the viscosity of the ink jet printing ink composition is at maximum 30 mPas, measured at 25° C. for 10 minutes with a Brookfield R/S rheometer using a double gap cylinder according to DIN 53453 (German Industrial Standards) at 150 rpm and wherein the total concentration of the at least one difunctional (meth)acrylate monomer of a) and the trifunctional and/or polyfunctional (meth)acrylate monomers of d) is in a range of 75 to 100 wt.-%, based on the total amount of (meth)acrylate monomers.Type: GrantFiled: May 13, 2011Date of Patent: October 7, 2014Assignee: Eckart GmbHInventors: Stefan Engel, Dieter Prölβ, Jörg Männig
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Patent number: 8851648Abstract: Exemplary embodiments provide a phase change ink composition including at least a first semi-crystalline material having a high amorphous content; and at least a second semi-crystalline material having a high crystalline content, such that the phase change ink has a viscosity ranging from about 0.1 cps to about 15 cps at a temperature ranging from about 60° C. to about 145° C. and the phase change ink composition has excellent robustness when forming images or printing on a printing substrate.Type: GrantFiled: September 18, 2012Date of Patent: October 7, 2014Assignee: Xerox CorporationInventors: Stephan V. Drappel, Jeffrey H. Banning, Peter G. Odell, Paul J. McConville, Jennifer Rea
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Patent number: 8845086Abstract: A process for ink jet printing an image on a substrate is described, which includes applying to the substrate a composition including a liquid medium, a pigment and a polymer having a chain of the Formula (1) or a salt thereof: wherein X, Q1, Q2, Q3, A, m and n are as defined, and the polymer having a chain of Formula (1) or salt thereof is used to comminute the pigment.Type: GrantFiled: May 12, 2011Date of Patent: September 30, 2014Assignee: Fujifilm Imaging Colorants LimitedInventors: Neil Anthony Tallant, Neil James Thompson
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Patent number: 8840234Abstract: An ink composition includes an aqueous dispersion of particles of a first material and separate particles of a second material. The first material contains an oxide, sulfide, or selenide of a magnetic metal. The ink is formulated to exhibit, after application to a solid substrate, a degree of metallic luster enhanced by the presence of the second material.Type: GrantFiled: April 23, 2009Date of Patent: September 23, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Christopher O. Oriakhi, Sukanya Rengaswamy, Tayo Olu Yolemi
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Patent number: 8833923Abstract: There is provided a method for forming a conductor, including a first printing step of printing a contour part of the conductor with a first printing ink, a drying step of drying the printed contour part, and a second printing step of printing a remaining part of the conductor with a second printing ink, wherein the second printing ink contains a conductive material and has a surface tension lower than or equal to a surface tension of the first printing ink.Type: GrantFiled: December 14, 2011Date of Patent: September 16, 2014Assignee: NGK Spark Plug Co., Ltd.Inventors: Kentaro Mori, Daisuke Uematsu, Nobuhiro Hayakawa
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Patent number: 8827436Abstract: This disclosure provides an ink jettable fixer ink including a water soluble or water dispersible amphoteric polymer, wherein the amphoteric polymer contains both a cationic charge and an anionic charge within the same molecule, wherein the mole ratio of cationic charge to anionic charge is greater than 1; wherein the ink jettable fixer ink does not contain a colorant; and wherein the amphoteric polymer forms a water insoluble solid precipitate when mixing with an anionic charged ink jet ink. These fixer inks when used with aqueous colorant containing ink jet inks give improved optical density and chroma.Type: GrantFiled: May 27, 2011Date of Patent: September 9, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Xiaoqing Li
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Ink for ink jet recording, ink jet recording device, image forming method, and image recorded medium
Patent number: 8827434Abstract: Ink for ink jet recording containing a coloring agent, water, an aqueous organic solvent, and a polyacrylic acid ester-based polymer represented by the following chemical structure 1: where R represents a hydrogen atom and a methyl group, X— represents F—, Cl—, and Br—, M+ represents Na+, K+, NH4+, and Li+, and symbols l, m, n, and p independently represent integers of from 10 to 3,000.Type: GrantFiled: October 11, 2011Date of Patent: September 9, 2014Assignee: Ricoh Company, Ltd.Inventors: Minoru Hakiri, Mitsuru Naruse, Naoya Morohoshi -
Patent number: 8820907Abstract: The present disclosure provides a ink-jet ink, having a pH greater than 7, comprising a first aqueous vehicle, a colorant, more typically a carbon black pigment, and an amphoteric polymeric dispersant, wherein the amphoteric polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment consisting essentially of an amine monomer; and the B block is a segment comprising an acidic monomer and at least one hydrophobic monomer; wherein the dispersant is neutralized, and the B block is free of an amine monomer. The disclosure further pertains to an ink set comprising this ink jet ink and at least a second ink which contains a reactive species with appropriate cationic agent, salt, or pH modifying agent capable of destabilizing the colorant containing dispersion of the first ink.Type: GrantFiled: December 12, 2008Date of Patent: September 2, 2014Assignee: E I du Pont de Nemours and CompanyInventors: C. Chad Roberts, Robert Paul Held, Patrick F. McIntyre, Michael Stephen Wolfe
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Patent number: 8824009Abstract: A display processing apparatus includes a gloss-control plane generating unit configured to generate gloss-control plane data for specifying a type of a surface effect applied to a recording medium and an area in a recording medium to which the surface effect is applied; an obtaining unit configured to obtain replacement information that is used to replace a type of the surface effect that is not available in a device configuration with a type of the surface effect that is available in the device configuration; a replacing unit configured to replace the type of the surface effect designated by the designation information with the type of the available surface effect using the replacement information obtained by the obtaining unit; and a preview image generating unit configured to generate a preview image based on the gloss-control plane data having an area to which the available surface effect is to be applied.Type: GrantFiled: September 11, 2012Date of Patent: September 2, 2014Assignee: Ricoh Company, LimitedInventor: Toshihiro Mochizuki
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Patent number: 8820909Abstract: A black ink composition includes a resin-coated carbon black containing a water-soluble resin and carbon black, a water-soluble polymerizable compound, a polymerization initiator, and water, wherein an average primary particle diameter of the carbon black is 20 nm or more, and an absorbance ratio of absorbance at a wavelength of 350 nm with respect to absorbance at a wavelength of 600 nm (absorbance at a wavelength of 350 nm/absorbance at a wavelength of 600 nm), when the black ink composition is diluted 5,000-fold with water, is 1.9 or lower.Type: GrantFiled: March 22, 2012Date of Patent: September 2, 2014Assignee: FUJIFILM CorporationInventors: Misato Sasada, Jun Matsumoto
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Patent number: 8820908Abstract: An ink composition is disclosed which includes carbon black; at least one selected from the group consisting of a cyan pigment and a magenta pigment; at least one selected from the group consisting of polyvinyl pyrrolidone, polyvinyl alcohol, and polyethylene glycol, at a ratio of 0.01% by mass or higher but lower than 1.00% by mass, relative to the total amount of the composition; water-insoluble or substantially water-insoluble resin particles, water-insoluble or substantially water-insoluble wax particles or any mixture thereof; and water. An ink set and an image forming method are also disclosed.Type: GrantFiled: January 27, 2012Date of Patent: September 2, 2014Assignee: FUJIFILM CorporationInventors: Ryo Saito, Yasufumi Ooishi
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Patent number: 8820906Abstract: An ink composition has a viscosity of 25 mPa·s to 35 mPa·s at 20° C., wherein a, b, and c are 800 or more, 7.4 to 14, and 0.16 to 0.22, respectively, when a cylindrical portion is formed by expanding the ink composition so as to have a free surface parallel to the expanding direction of the ink composition, the rate of change in width of the cylindrical portion with time is measured in the expanding direction thereof, and the rate of change in width of the cylindrical portion with time is fit to a quadratic function given by the following equation: S=?at2?bt+c??(1) where S is the rate of change in width of the cylindrical portion and t is the time in seconds.Type: GrantFiled: March 16, 2011Date of Patent: September 2, 2014Assignee: Seiko Epson CorporationInventors: Satoru Miura, Taketoshi Kagose
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Patent number: 8815979Abstract: The disclosure provides an aqueous dispersion and ink jet inks comprising a colorant and an amphoteric polyurethane dispersant, wherein the amphoteric polyurethane dispersant comprises a reaction product of at least one basic amine urethane monomer, at least one acidic urethane monomer, and at least one urethane monomer comprising two or more isocyanates having improved bleed control, and optical density/chroma.Type: GrantFiled: December 11, 2009Date of Patent: August 26, 2014Assignee: E I du Pont de Nemours and CompanyInventors: C. Chad Roberts, Patrick F. McIntyre, Michael Stephen Wolfe
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Patent number: 8814340Abstract: An image forming method including: applying a pre-treatment liquid onto a coating layer provided on at least one surface of a support of a recording medium, jetting an inkjet ink onto the coating layer, onto which the pre-treatment liquid has been applied, so as to form an image, and applying or jetting a post-treatment liquid onto the coating layer, onto which the inkjet ink has been jetted, so as to form a transparent protective layer on the coating layer, wherein the inkjet ink contains the water-dispersible colorant, a water-soluble organic solvent, a surfactant, a penetrant and water, and wherein an amount of pure water transferred into the recording medium, provided with the coating layer, measured at a contact time of 100 ms with a dynamic scanning liquid absorptometer is 1 ml/m2 to 10 ml/m2, and the pre-treatment liquid contains a water-soluble aliphatic organic acid.Type: GrantFiled: August 10, 2010Date of Patent: August 26, 2014Assignee: Ricoh Company, Ltd.Inventor: Hiroshi Goto
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Patent number: 8814346Abstract: A multi-phase system for creating a metallic effect on a substrate, including applying to the substrate a first ink jet ink including 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: GrantFiled: April 29, 2013Date of Patent: August 26, 2014Assignee: Electronics for Imaging, Inc.Inventors: Paul A. Edwards, Sandra Zinke, Joshua Samuel, Matthew Tennis
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Patent number: 8807734Abstract: A combination of: a) an inkjet print head having a nozzle density of at least 600 dpi and nozzles with an outer nozzle diameter D smaller than 25?m; and b) a UV curable inkjet composition containing 0 to 10 wt % of one or more monofunctional monomers and at least A wt % of 2-(2-vinyloxyethoxy)ethyl acrylate, wherein both wt % are based on the total weight of the UV curable inkjet composition; and wherein A is defined by the formula 100 wt %?D×3.0 wt %/?m?A?100 wt %?D×1.0 wt %/?m.Type: GrantFiled: September 22, 2010Date of Patent: August 19, 2014Assignee: Agfa Graphics NVInventors: Geert Van Dyck, David Tilemans
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Patent number: 8807697Abstract: An ink including at least one first reactive component, at least one second component comprising a triggerable component, at least one third reactive component, and an optional colorant; wherein the at least one first reactive component and the at least one third reactive component are capable of reacting with one another to form a solid ink on a substrate; wherein the at least one first reactive component is encapsulated in a microcapsule; wherein the ink can be jetted onto a substrate and treated whereby the treatment causes the at least one triggerable component to trigger the rupture of the microcapsule thereby releasing the at least one first reactive component from the microcapsule so that the at least one first reactive component and the at least one third reactive component come into contact, react, and polymerize thereby curing the ink.Type: GrantFiled: November 16, 2010Date of Patent: August 19, 2014Assignee: Xerox CorporationInventors: Jennifer Alice Coggan, Michelle N. Chrétien, James D. Mayo, Peter G. Odell, Jennifer L. Belelie
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Patent number: 8807728Abstract: An inkjet recording method is provided in which image formation is carried out by employing an ink set, the inks of each color including a polymerizable compound and a polymerization initiator, and discharge of the inks being repeated 2 to 16 times for the same area.Type: GrantFiled: September 21, 2011Date of Patent: August 19, 2014Assignee: FUJIFILM CorporationInventor: Yuuichi Hayata
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Patent number: 8809419Abstract: A non-aqueous pigment dispersion includes a pigment, a non-aqueous dispersion medium, and a polymeric dispersant including at least one oxalylamide structural unit according to Formula (I): wherein: R1 represents a first polymeric moiety selected from the group consisting of a linear polymeric moiety, a star shaped polymeric moiety, a dendritic polymeric moiety, a branched polymeric moiety, and a hyperbranched polymeric moiety; and R2 represents a second polymeric moiety selected from the group consisting of a polyester, a polyether, a polyamide, a polyacrylate, a polymethacrylate, or copolymers thereof.Type: GrantFiled: June 3, 2010Date of Patent: August 19, 2014Assignee: Agfa Graphics NVInventors: Xavier André, Johan Loccufier
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Patent number: 8801166Abstract: A water-based ink for ink-jet recording includes a self-dispersible pigment modified by phosphate group; water; a water-soluble organic solvent; a N-hydroxy cyclic imide compound; and at least one selected from the group consisting of boric acids, a chelate agent, a reducing sugar and a sugar alcohol.Type: GrantFiled: August 21, 2012Date of Patent: August 12, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Hideji Fukaya, Taro Nagano
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Patent number: 8801167Abstract: An inkjet recording apparatus including an ink; and an ink discharging head configured to discharge the ink, wherein the ink discharging head is provided with a nozzle having a silicone-containing water-repellent film on a surface thereof on which the ink contacts, wherein the ink contains a colorant; water; and a water soluble organic solvent, wherein the colorant contains a carbon black partially coated with a resin, and wherein the ink meets the following expressions (1) and (2): 1.0×104<N×R/100<1.0×106??(1) 20.0<R?100.0??(2) where R (% by mass) denotes a rate of the mass of the carbon black partially coated with a resin relative to the mass of the colorant, and N denotes the number of coarse particles having a particle diameter of 0.5 ?m or more per 5 ?L of the ink where the number thereof is determined with a number counting method.Type: GrantFiled: September 5, 2012Date of Patent: August 12, 2014Assignee: Ricoh Company, Ltd.Inventors: Keita Katoh, Ichiroh Fujii, Masaki Kudo, Tomohiro Nakagawa, Akihiko Gotoh, Koji Katsuragi
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Patent number: 8801168Abstract: A pigment dispersion containing a 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: GrantFiled: August 28, 2013Date of Patent: August 12, 2014Assignee: Seiko Epson CorporationInventors: Takashi Oyanagi, Keitaro Nakano
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Patent number: 8794755Abstract: A printed matter production process including ejecting droplets of an actinic ray curable inkjet ink in a heated state through a head to supply the droplets onto a recording medium, thereby forming an image, the actinic ray curable inkjet ink including a polymerizable compound, a photopolymerization initiator and a gelling agent, having a viscosity of from 60 to 200 mPasecond at 25° C. and at a shear rate of 1000/second and showing a phase transition at a temperature of not lower than 25° C., characterized in that the actinic ray curable inkjet ink includes a bifunctional polymerizable compound with a molecular weight of not lower than 400 and with a viscosity at 25° C. of not more than 100 mPasecond in an amount of not less than 75 % by mass of the total amount of the polymerizable compound.Type: GrantFiled: March 9, 2011Date of Patent: August 5, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Hirotaka Iijima, Toshiyuki Takabayashi, Akio Maeda
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Patent number: 8794752Abstract: According to one embodiment, an inkjet printer includes an inkjet head for discharging each of a plurality of visible color inks onto a medium and discharging at least one fluorescent ink onto only portions of the medium when printing an image onto the medium, such that at least a first visible color ink of the plurality of visible color inks is discharged onto the portions of the medium, and at least a second visible color ink of the plurality of visible color inks is not discharged onto the portions of the medium. The plurality of visible color inks reflect light at respective wavelength ranges of the visible color inks. The at least one fluorescent ink reflects light at a wavelength range that is the same as a wavelength range of at least one of the plurality of visible color inks discharged from the inkjet head.Type: GrantFiled: August 16, 2011Date of Patent: August 5, 2014Assignee: Roland DG CorporationInventor: Fumiyoshi Yoshizawa
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Patent number: 8794751Abstract: An ink jet recording device is provided which includes an ink jet head which has a nozzle surface where a plurality of nozzle opening ends are arranged and which ejects water-based ink from the nozzles to a recording medium and a wiping device that executes a wiping operation where the nozzle surface and a wiping member are brought into contact and the nozzle surface is wiped, where oleic acid and a dispersant for dispersing the oleic acid into water by emulsifying the oleic acid are added to the water-based ink.Type: GrantFiled: March 25, 2011Date of Patent: August 5, 2014Assignee: Seiko Epson CorporationInventors: Soichi Yamazaki, Ayako Nishiki
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Patent number: 8789937Abstract: An ink jet recording method including attaching a liquid dispersant in which an amphoteric polymer containing a core portion having a cation group and a shell portion having an anion group that covers the core portion is dispersed in a dispersing medium to a recording medium and discharging and attaching cationic ink containing a coloring material and water to the surface of the recording medium to which the liquid dispersant is attached.Type: GrantFiled: November 2, 2011Date of Patent: July 29, 2014Assignee: Ricoh Company, Ltd.Inventor: Mariko Kojima
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Patent number: 8789936Abstract: A fixer fluid composition, for inkjet printing, and ink set containing it. A disclosed example fixer fluid composition includes up to about 1.5 wt % of surfactants, from about 1 to about 20 wt % of humectants, from about 3 to about 16 wt % of a metal carboxylate salt as fixer agent, and an acid in view of adjusting the pH of said composition to a pH between about 5.0 and about 7.0. A disclosed example of ink set includes, at least, an ink composition including a colorant dispersed in an ink vehicle and said fixer fluid.Type: GrantFiled: February 12, 2010Date of Patent: July 29, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventor: Ervin Mubarekyan
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Patent number: 8791174Abstract: An ink composition includes a particulate pigment, a hydrocarbon vehicle, an organic polyamine and an organic polyacid. A ratio by weight percent of the organic polyamine to the organic polyacid in the hydrocarbon vehicle is sufficient to render a conductivity of the ink composition to equal to or less than 15 nanosiemens per centimeter. The ink composition is prepared by combining the particulate pigment with a composition that includes the hydrocarbon vehicle, the organic polyamine and the organic polyacid. The combination is subjected to conditions under which the particulate pigment becomes dispersed in the composition.Type: GrantFiled: December 22, 2009Date of Patent: July 29, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Doris Pik-Yiu Chun, Hou T. Ng
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Patent number: 8779057Abstract: The instant invention provides dye-encapsulated dispersions suitable for printing applications, method of producing the same, ink compositions made therefrom, delivery systems for such ink compositions, and articles having a coating layer derived from such ink compositions.Type: GrantFiled: November 14, 2011Date of Patent: July 15, 2014Assignee: Dow Global Technologies LLCInventors: Anne M. Kelly-Rowley, Timothy J. Young
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Patent number: 8777392Abstract: Provided is an inkjet ink including at least water, a pigment, a resin, a water-soluble organic solvent, and a surfactant, wherein the resin consist of a copolymer resin synthesized from only a (meth)acrylic monomers, and the copolymer resin has an acid value of not less than 50 mgKOH/g and not more than 200 mgKOH/g, a glass transition temperature (Tg) not less than 20 and not more than 100° C., and a weight-average molecular weight (Mw) not less than 20,000 and not more than 100,000, and as a result, a high-quality image is formed in that abrasion resistance and adhesiveness on a non-absorptive recording medium are high, glossiness is high, and there is no ink mixing, and ejection performance is good and recovery through maintenance is excellent. Also provided is an inkjet recording method that uses the same.Type: GrantFiled: April 22, 2010Date of Patent: July 15, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Hidenobu Ohya, Manabu Kaneko
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Patent number: 8770733Abstract: Disclosed is an inkjet ink which provides a high-quality image in that whitening of the recorded image film is inhibited, durability of the image is good, and there is no banding, and the like; inkjet injection stability and ink shelf life are excellent; and head maintenance returnability is excellent. Also disclosed are a method for producing an inkjet printed product using the same, and a method for producing a water-based inkjet ink. This inkjet ink comprises at least a) a pigment, b) a polymer dispersant comprising polyethylene oxide groups having an acid value of less than 50 mgKOH/g (c) acrylic copolymer resin, and (d) at least one water-soluble organic solvent selected from glycol ethers and 1,2-alkanediols having 4 or more carbons.Type: GrantFiled: April 20, 2010Date of Patent: July 8, 2014Assignee: Konica Minolta IJ Technologies, Inc.Inventors: Hidenobu Ohya, Manabu Kaneko, Masami Kato
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Patent number: 8770737Abstract: 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: GrantFiled: November 19, 2012Date of Patent: July 8, 2014Assignee: Xerox CorporationInventor: Jin Wu
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Patent number: 8770735Abstract: An inkjet recording ink including a pigment dispersion liquid containing at least a first carbon black and a dispersant, a second carbon black, a penetrant, a wetting agent and water, wherein the first carbon black has an average particle diameter D50 of 70 nm to 180 nm as measured by a dynamic light scattering method and has a particle diameter standard deviation equal to or smaller than ½ of the average particle diameter, wherein the dispersant is a condensate of naphthalene sulfonic acid and formalin, wherein the second carbon black is carbon black coated with a resin, and wherein the penetrant is a 2-ethyl-1,3-hexandiol.Type: GrantFiled: September 6, 2010Date of Patent: July 8, 2014Assignee: Ricoh Company, Ltd.Inventors: Minoru Hakiri, Shin Hasegawa, Hiroyuki Fushimi, Mitsuru Naruse, Naoya Morohoshi
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Patent number: 8765838Abstract: A non-aqueous ink composition for inkjet printing, comprising 5 to 15% by mass of pigment relative to a mass of the non-aqueous ink composition, a pigment dispersant in such an amount that a mass ratio of the pigment dispersant to the pigment ranges from 0.2 to 2.0, and an organic solvent, the pigment dispersant comprising (A) a polyamide having a polyester side chain and/or a copolymer of vinylpyrrolidone and a C10-40 alkene, and (B) an alkyl(alkyl)acrylate copolymer having a C12-25 alkyl group and a nitrogen-containing group in such an amount that a mass ratio of the dispersant (B) to a total of the dispersant (A) and the dispersant (B), (B)/[(A)+(B)], ranges from 0.75 to 0.99. The ink composition has good storage stability and causes no satellite even printed in an environment of a low temperature.Type: GrantFiled: September 27, 2011Date of Patent: July 1, 2014Assignee: Riso Kagaku CorporationInventors: Tetsuo Hosoya, Toshihiro Endo
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Patent number: 8764161Abstract: A method of continuous inkjet printing by using a printing fluid comprising water, a soluble or dispersed polymeric component, and less than a total of 10 wt % of low-volatile water soluble humectant having a boiling point of greater than 170C; ejecting spaced droplets from a printhead and controlling the spaced droplets to mark a substrate; stopping delivery of the printing fluid to the printhead; and then delivering the maintenance fluid from the maintenance fluid supply to the printhead to purge the printing fluid from the printhead, with the maintenance fluid comprising water and at least 5 wt % low-volatile water soluble humectant having a boiling point of greater than 170C, wherein the concentration of low-volatile water soluble humectant in the maintenance fluid is greater than that in the printing fluid to purge the printing fluid from the printhead.Type: GrantFiled: August 31, 2011Date of Patent: July 1, 2014Assignee: Eastman Kodak CompanyInventors: Wayne Lee Cook, Jeremiah D. Allen
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Patent number: 8757776Abstract: An ink to be applied to a recording head having a common liquid chamber, pressure chambers developing pressure applied to the liquid, individual channels through which the liquid is introduced into the pressure chambers from the common liquid chamber, and a group of nozzles which communicate with the pressure chambers and eject the liquid, where first nozzles having short individual channels and second nozzles having long ones are alternately arranged at arrangement intervals of less than 30 ?m along one side or sides of the common liquid chamber, contains an aqueous medium, a surfactant and a coloring material. The aqueous medium consists of water and a water-soluble organic compound containing at least one alkanediol and has a surface tension of from 40 mN/m or more to less than 60 mN/m in an environment of temperature 25° C. and humidity 50%.Type: GrantFiled: June 28, 2013Date of Patent: June 24, 2014Assignee: Canon Kabushiki KaishaInventors: Hideki Yamakami, Daiji Okamura, Hiroshi Tomioka, Chiaki Muraoka, Masaki Oikawa
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Patent number: 8757784Abstract: Ink for ink jet recording includes a coloring material and alkylpolyols, wherein the alkylpolyols include two or more types of first alkylpolyols having a log P value of greater than or equal to ?0.7 and less than or equal to 0.01, and a normal boiling point of greater than or equal to 180° C. and lower than or equal to 250° C., and the content of the alkylpolyols is greater than or equal to 5% by mass and less than or equal to 30% by mass.Type: GrantFiled: March 28, 2013Date of Patent: June 24, 2014Assignee: Seiko Epson CorporationInventors: Tetsuya Aoyama, Hidehiko Komatsu, Hitoshi Ohta, Takeshi Yano
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Patent number: 8759418Abstract: The present invention relates to urea terminated polyurethane dispersants based on certain diols which have grafted alkyl, aryl or fluoroalkyl substituents, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants.Type: GrantFiled: May 22, 2009Date of Patent: June 24, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Xiaoqing Li, Tyau-Jeen Lin, Patrick F. McIntyre
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Patent number: 8757785Abstract: 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: GrantFiled: March 23, 2012Date of Patent: June 24, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Hideji Fukaya, Taro Nagano
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Patent number: 8757765Abstract: An ink composition includes a colorant particle, a water-soluble polymerizable compound having an acrylamide structure in a molecule thereof, colloidal silica, and water.Type: GrantFiled: February 25, 2011Date of Patent: June 24, 2014Assignee: FUJIFILM CorporationInventors: Jun Matsumoto, Kiyoshi Irita
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Patent number: 8757788Abstract: 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: GrantFiled: October 28, 2010Date of Patent: June 24, 2014Assignee: Canon Kabushiki KaishaInventors: Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Yuuki Nishino, Yoichi Takada, Hirofumi Ichinose, Hiroshi Tomioka
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Patent number: 8757786Abstract: An ink set is disclosed which includes a yellow ink composition containing a resin-coated yellow pigment in which a yellow pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; a magenta ink composition containing a resin-coated magenta pigment in which a magenta pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; a cyan ink composition containing a resin-coated cyan pigment in which a cyan pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; and a treatment liquid containing an aggregating agent for aggregating components in the ink compositions.Type: GrantFiled: January 27, 2012Date of Patent: June 24, 2014Assignee: FUJIFILM CorporationInventors: Misato Sasada, Yasufumi Ooishi