Dye-fixing Agent In Ink Receptive Layer Patents (Class 428/32.3)
  • Patent number: 11413897
    Abstract: An inkjet recording medium includes a substrate having a resin layer, a bonding layer disposed on the resin layer, and an ink-receiving layer disposed on the bonding layer. The surface of the inkjet recording medium on the ink-receiving layer side of the inkjet recording medium has a 20° glossiness of 13.0 or more. The bonding layer contains an ultraviolet inhibitor at a content of 5.0% by mass or more and 35.0% by mass or less based on the total mass of the bonding layer.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: August 16, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shoichi Takeda, Tetsuro Noguchi, Kazuhiko Araki, Hiroo Miyamoto
  • Patent number: 9718975
    Abstract: A radiation curable ink composition includes a first 2,2,6,6-tetramethylpiperidinyl compound. The first 2,2,6,6-tetramethylpiperidinyl compound is present in the radiation curable ink composition at a concentration above 0.5 wt %. A hindered amine group of the first 2,2,6,6-tetramethylpiperidinyl compound is substituted with only carbon or hydrogen and is a solid at 20 degrees centigrade and does not include carbon to carbon double bonds.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: August 1, 2017
    Assignee: 3M Innovative Properties Company
    Inventor: Bruce A. Nerad
  • Patent number: 9546451
    Abstract: A surface treatment composition includes a solution having a pH within a range of above 4 to 8 that includes metal cations produced in situ from a metal-containing substance having a Ksp no greater than 1×10?6 in a reaction with an acid having a pKa in a range of ?3.0 to +3.5. The composition further includes an agent mixed with the solution that is either a surface sizing agent or a coating agent used on a paper substrate. A print media includes the composition applied to a paper substrate. Preparation of the composition includes reacting the metal-containing substance with the acid, adjusting the pH to above 4 to 8, and mixing the metal cation-containing solution with either the surface sizing or coating agents.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: January 17, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Xiaoqi Zhou
  • Patent number: 9375967
    Abstract: An inkjet printing media, comprising a coating layered on at least one side of the media, the coating comprising a source of polyvalent ions and a latex binder that forms a coherent film in the presence of the polyvalent ions. A coating comprising calcium 2+ ions (Ca2+) and a latex binder that forms a coherent film in the presence of the calcium 2+ ions (Ca2+). A print media coating comprising: a source of polyvalent ions; and a latex binder that forms a coherent film in the presence of the polyvalent ions.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: June 28, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Christopher Arend Toles, Janne Lehtimaki
  • Patent number: 9182697
    Abstract: Recording sheet for wet electrophotography, having excellent toner fixability and transferability when printing is carried out by using a wet electrophotographic system employing a wet toner. The recording sheet for wet electrophotography is a recording sheet to be used in a wet electrophotographic system wherein an image is transferred from a heated blanket roll to a recording sheet. The recording sheet comprises a substrate and a toner receiving layer provided thereon containing inorganic fine particles and having a pore volume with a pore radius of 100 nanometers or less measured by a nitrogen adsorption method of 0.3 mL/g or more.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 10, 2015
    Assignee: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Hideto Kiyama, Hideaki Ishiguro, Norimasa Miyachi, Masahiro Kawasaki, Takayuki Morikawa
  • Patent number: 9017779
    Abstract: The present invention provides an ink jet recording medium which is capable of uniform coating with an ink-receiving agent without a surface treatment step for a usual plastic film used as a base material, and which, due to excellent adhesion , does not cause the problem of peeling after ink jet printing, and does not cause the problem of ink binning, fading, dropout, or peeling or peeling of an ink-receiving layer and an over-coating layer, and also provides a printed material formed by ink jet printing on the ink jet recording medium. The ink jet recording medium including a first layer containing a polyolefin resin as a main component, a second layer containing an acid-modified olefin resin, and an ink-receiving layer is used, the ink-receiving layer being formed by applying an ink-receiving agent on the second layer after the first and second layers are laminated by a coextrusion laminating method.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: April 28, 2015
    Assignee: DIC Corporation
    Inventors: Takeo Ikeda, Hiroaki Matsubara, Mitsuru Kitada, Yoshitaka Satoh, Kiyomi Nagano
  • Patent number: 8927074
    Abstract: A method of producing inkjet media (170) includes dissolving heptahydrate epsomite in a coating solution comprising at least one surface sizing additive, coating at least one side of a substrate with the coating solution to produce the inkjet media (170). An inkjet medium (170) includes a substrate (172) and a coating layer (174) comprising heptahydrate epsomite deposited on a first side of the substrate, the coating layer (174) having a substantially uniform distribution of heptahydrate epsomite throughout its volume.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: January 6, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xulong Fu, Xiaoqi Zhou, Lokendra Pal
  • Patent number: 8906476
    Abstract: A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: December 9, 2014
    Assignee: International Paper Company
    Inventors: Zheng Tan, Sen Yang, Jingxiu Wan, Benny J. Skaggs, Benjamin Thomas Liguzinski
  • Patent number: 8846166
    Abstract: The invention provides a recording medium having a substrate, a first ink receiving layer and a second ink receiving layer which is an outermost layer in this order, wherein the first ink receiving layer contains alumina hydrate and polyvinyl alcohol, the second ink receiving layer contains alumina hydrate, polyvinyl alcohol, a cationic polymer particle and a zirconium compound, and the thickness of the second ink receiving layer is 3 ?m or more and 10 ?m or less.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: September 30, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Olivia Herlambang, Yasuhiro Nito, Hisao Kamo
  • Patent number: 8840975
    Abstract: A recording medium includes a base and an ink-receiving layer. The ink-receiving layer includes inorganic particles, a binder, poly(diallyldimethylamine hydrochloride), a cationic polymer having a sulfonyl group, and a polyvalent metal.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 23, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isamu Oguri, Hisao Kamo, Tetsuro Noguchi, Shinya Yumoto
  • Patent number: 8821998
    Abstract: An inkjet recording medium and a coating composition for forming an inkjet recording medium. In accordance with one aspect of the present invention, an inkjet recording medium is disclosed comprising an inkjet-receptive coating on a paper substrate.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: September 2, 2014
    Assignee: Newpage Corporation
    Inventor: Charles E. Romano
  • Patent number: 8821997
    Abstract: An inkjet recording medium and a coating composition for forming an inkjet recording medium. In accordance with one aspect of the present invention, an inkjet recording medium is disclosed comprising an inkjet-receptive coating on a paper substrate. The inkjet-receptive coating contains a synergistic combination of pigments, binder and a multivalent metal salt such that the inkjet recording medium exhibits improved inkjet print properties, particularly when printed with a high speed inkjet printer using pigmented inks.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: September 2, 2014
    Assignee: Newpage Corporation
    Inventors: Charles E. Romano, Jr., James P. Niemiec, Leonard J. Schliesman, Jr.
  • Patent number: 8697203
    Abstract: A paper sizing composition is provided, which comprises a water-soluble salt of Ca(II) and at least one organic acid; and starch. Methods of making and using the composition, and methods of making and using the recording sheets which include the composition, are disclosed.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: April 15, 2014
    Assignee: International Paper Company
    Inventor: Michael F. Koenig
  • Patent number: 8685503
    Abstract: A surface-treated paper produced by applying a surface sizing composition to at least one surface of a base paper, wherein said surface sizing composition comprises a non-film-forming polymer latex and a metallic salt, said non-film-forming polymer latex has a minimum film-forming temperature (MFFT) of greater than 70° C., and said surface sizing composition does not form a continuous film on the treated surface.
    Type: Grant
    Filed: January 31, 2010
    Date of Patent: April 1, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Gracy Wingkono, Dave Edmondson
  • Patent number: 8663757
    Abstract: An inkjet recording medium includes a support and an ink-receiving layer which is disposed on the support and which contains an alumina pigment and an alkylsulfonic acid having the carbon number of 1 or more and 4 or less. The ink-receiving layer further contains a polymeric compound, a water-soluble zirconium compound, and boric acid or a borate. The polymeric compound is one obtained by cationizing at least one amino group of a product with acid, the product being obtained by the reaction of at least three compounds, that is, (i) a sulfur-containing organic compound containing two or more active hydrogen atoms, (ii) a polyisocyanate compound containing two or more isocyanate groups, and (iii) an amine compound containing two or more active hydrogen atoms.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: March 4, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuhiro Nito, Hisao Kamo, Tetsuro Noguchi, Isamu Oguri, Olivia Herlambang, Naoya Hatta, Ryo Taguri
  • Patent number: 8652594
    Abstract: A recording sheet is provided, which comprises: a paper substrate comprising a plurality of cellulosic fibers; and a sizing agent comprising a water soluble divalent metal salt; wherein the paper substrate and sizing agent cooperate to form an I-beam structure. Methods of making and using the recording sheet are also provided.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: February 18, 2014
    Assignee: International Paper Company
    Inventors: Michael F. Koenig, Jacob P. John, Thomas R. Arnson, Benjamin T. Liguzinski
  • Patent number: 8652593
    Abstract: An article in the form of a paper substrate having a first surface and a second surface; an internal paper sizing agent present in an amount sufficient to impart to the paper substrate an HST value of from about 50 to about 250 seconds; one or more optical brightening agents present in an amount below a “green over” effect excess but sufficient to impart an ISO Brightness value of at least about 92; and a metal salt drying agent mixture of multivalent and monovalent metal drying salts in a molar ratio of multivalent to monovalent cations of from about 3:1 to about 1:18 to provide a percent ink transferred (“IT %”) value equal to or less than about 65% and a black print density value of at least about 1.45. Also, a method for treating the optically brightened paper substrate with a mixture of multivalent and monovalent metal drying salts.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: February 18, 2014
    Assignee: International Paper Company
    Inventor: Michael F. Koenig
  • Patent number: 8592011
    Abstract: In an ink jet recording medium having at least two ink receiving layers, the total content of boric acid, a borate, and a water-soluble zirconium salt of a lower ink receiving layer located close to a support substrate to the total content of alumina and an alumina hydrate thereof is higher than the total content of boric acid, a borate, and a water-soluble zirconium salt of an upper ink receiving layer located apart from the support substrate to the total content of alumina and an alumina hydrate thereof.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: November 26, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuro Noguchi, Hisao Kamo, Yasuhiro Nito, Isamu Oguri, Ryo Taguri, Olivia Herlambang, Naoya Hatta
  • Patent number: 8574690
    Abstract: An article in the form of a paper substrate having a first surface and a second surface; an internal paper sizing agent present in an amount sufficient to impart to the paper substrate an HST value of from about 50 to about 250 seconds; and a metal salt drying agent having at least about 20% by weight of one or more monovalent metal drying salts, wherein the metal salt drying agent is present on at least one of the first and second surfaces in an amount sufficient to provide a percent ink transferred (“IT %”) value equal to or less than about 65% and to provide a black print density value of at least about 1.45. Also, a method for treating the internally sized paper substrate having the HST value of from about 50 to about 250 seconds with the metal salt drying agent.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: November 5, 2013
    Assignee: International Paper Company
    Inventors: Michael F. Koenig, Steven D. Schultz, Krshna Pamidimukkala, Sen Yang
  • Patent number: 8541070
    Abstract: A media suitable for inkjet web press printing is disclosed herein. The media includes a paper substrate and an ink receptive layer coated onto at least one surface of the paper substrate. The ink receptive layer includes: inorganic pigments; at least one water-based binder; a water-soluble metallic salt; a colorant durability enhancer selected from the group consisting of boric acid, borax, sodium tetraborate, phenyl boronic acid, butyl boronic acid and combinations thereof; and a coefficient of friction (COF) reducer selected from the group consisting of polyethylene wax, paraffin wax, carnauba wax, polypropylene wax, polytetrafluoroethylene wax, and combinations thereof.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: September 24, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Yongzhong Wang, Xi Zeng, Kelly Ronk
  • Patent number: 8507054
    Abstract: An ink-jet recording medium is disclosed which comprises a paper substrate having a surface for receiving an ink-jet ink containing a pigmented colorant. The surface is treated with at least one co-crystalline salt, which become associated with the substrate surface. The co-crystalline salt is capable of crashing pigmented colorants on the paper surface, and its use may help protect paper manufacturing equipment from corrosion.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: August 13, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Douglas E. Knight, Hai Quang Tran
  • Patent number: 8445082
    Abstract: An article in the form of a paper substrate having a first surface and a second surface; an internal paper sizing agent present in an amount sufficient to impart to the paper substrate an HST value of from about 50 to about 250 seconds; one or more optical brightening agents present in an amount below a “green over” effect excess but sufficient to impart an ISO Brightness value of at least about 92; and a metal salt drying agent mixture of multivalent and monovalent metal drying salts in a molar ratio of multivalent to monovalent cations of from about 3:1 to about 1:18 to provide a percent ink transferred (“IT %”) value equal to or less than about 65% and a black print density value of at least about 1.45. Also, a method for treating the optically brightened paper substrate with a mixture of multivalent and monovalent metal drying salts.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: May 21, 2013
    Assignee: International Paper Company
    Inventor: Michael F. Koenig
  • Patent number: 8431194
    Abstract: The invention provides a recording medium having 2 or more ink receiving layers on a substrate, wherein an upper layer of the ink receiving layers, which is a layer most distant from the substrate, and a lower layer, which is a layer located just under the upper layer, contain at least one selected from alumina hydrate and alumina, an acid and a hydrophilic binder, the acid contained in the upper layer is a carboxylic acid represented by the general formula [I], and the acid contained in the lower layer is a sulfonic acid represented by the general formula [II] R1—COOH??General formula [I] R2—SO3H.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: April 30, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuro Noguchi, Hisao Kamo, Yasuhiro Nito, Ryo Taguri, Isamu Oguri, Olivia Herlambang
  • Patent number: 8431193
    Abstract: An inkjet recording medium and a coating composition for forming an inkjet recording medium. In accordance with one aspect of the present invention, an inkjet recording medium is disclosed comprising an inkjet-receptive coating on a paper substrate. The inkjet-receptive coating contains a synergistic combination of pigments and binder such that the inkjet recording medium exhibits improved inkjet print properties, particularly when printed with a high speed inkjet printer using pigmented inks. In accordance with certain aspects of the present invention, the inkjet recording medium further comprises a top coat of a multivalent metal salt which further enhances image quality of the inkjet printing.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: April 30, 2013
    Assignee: Newpage Corporation
    Inventors: Charles E. Romano, Jr., Leonard J. Schliesman, Jr., James P. Niemiec
  • Patent number: 8425728
    Abstract: Disclosed is a print medium for high speed, digital inkjet printing, which has high brightness and is resistant to yellowing. The print medium includes a base paper formed from a fiber furnish containing at least 30% by weight of mechanical pulp, and a coating layer formed on at least one surface of the base paper. The coating layer contains a metallic salt, a combination of two different binders at a predetermined ratio, and at least one inorganic pigment. A method of making the print medium is also disclosed.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: April 23, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Xulong Fu, Dave Edmondson
  • Publication number: 20130059095
    Abstract: A coating composition comprising a blend of at least two dye fixatives, at least one of which is a cationic polymer, and at least one of the other dye fixatives is a polyvalent metal salt, to form a water-insoluble complex. The ink recording sheets comprise a composition that is absorbed into the surface of the substrate as a sizing material, or alternatively, forms a continuous layer on the substrate. The present invention also encompasses methods for making the ink jet recording sheets.
    Type: Application
    Filed: November 5, 2012
    Publication date: March 7, 2013
    Applicant: INTERNATIONAL PAPER COMPANY
    Inventor: International Paper Company
  • Patent number: 8390859
    Abstract: An image forming device includes a first development unit configured to form a first image on a recording medium with a first developer, a second development unit configured to form a second image on the recording medium with at least one of a plurality of second developers that are different from the first developer, and a print control unit configured to select the at least one of the plurality of second developers for forming the second image. The second developers are transparent developers, and the second image is a transparent image.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: March 5, 2013
    Assignee: Oki Data Corporation
    Inventor: Tetsuya Watanabe
  • Patent number: 8390882
    Abstract: A method for estimating the color of a coated print includes: measuring the color of an uncoated print with a color measuring device; and estimating the color of the print when coated by a coating process based on the uncoated color measurement using a function that correlates uncoated color measurements and coated color measurements; and adjusting at least one parameter of the printing process based on the coated color estimation. The correlating function may be derived by measuring the color of a plurality of uncoated color patches; measuring the color of the plurality of patches after the patches have been coated by the coating process; and correlating the color of the coated patches with the uncoated patches based on the coated and uncoated color patch measurements.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: March 5, 2013
    Assignee: Xerox Corporation
    Inventors: Edul N. Dalal, Lalit Keshav Mestha
  • Patent number: 8389075
    Abstract: The present invention is drawn to a media sheet, comprising a substrate and a porous ink-receiving layer deposited on the substrate. The porous ink-receiving layer can comprise inorganic metal or semi-metal oxide particulates bound by a polymeric binder, and the porous ink-receiving layer can further include an effective amount of a sulfur-containing compound that interacts with ozone upon exposure thereto.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: March 5, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Steven D Looman, Eric L Burch, John R Moffatt, Gary Allan Ungefug, Rolf Steiger, Pierre-Alain Brugger, Urs Fuerholz
  • Patent number: 8377522
    Abstract: An inkjet receiver is described which comprises a support and one or more layer coated thereon, at least one layer of which comprises one or more metal organosilicate polymer particulate materials. The metal organosilicate polymer particulate materials are obtainable by contacting a metal salt with a silicon-containing compound having an organic substituent in an organic solvent, wherein either the silicon-containing compound contains a basic group and/or the reaction is conducted in the presence of a base, wherein the metal is selected from one or more of aluminum, magnesium strontium, calcium or zinc and the silicon-containing compound comprises hydrolyzable and non-hydrolyzable substituents such as to form a metal organosilicate polymer particulate material therefrom. The described inkjet receiver is useful for forming images by inkjet printing having excellent color fastness over time.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: February 19, 2013
    Assignee: Eastman Kodak Company
    Inventors: Stephanie V. Desrousseaux, Olivier J. Poncelet, Gerard A. Friour
  • Patent number: 8361573
    Abstract: A coating composition comprising a blend of at least two dye fixatives, at least one of which is a cationic polymer, and at least one of the other dye fixatives is a polyvalent metal salt, to form a water-insoluble complex. The ink recording sheets comprise a composition that is absorbed into the surface of the substrate as a sizing material, or alternatively, forms a continuous layer on the substrate. The present invention also encompasses methods for making the ink jet recording sheets.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: January 29, 2013
    Assignee: International Paper Company
    Inventor: Michael F. Koenig
  • Patent number: 8361571
    Abstract: A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: January 29, 2013
    Assignee: International Paper Company
    Inventors: Zheng Tan, Sen Yang, Jingxiu Wan, Benny J. Skaggs, Benjamin T. Liguzinski
  • Patent number: 8329266
    Abstract: A recording material printable with an ink jet printer and having a gel layer for that purpose.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: December 11, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Schaedler, Chrystelle Egger, Roland Ettl, Wolfgang Schmidt, Frank Konietzni
  • Patent number: 8293343
    Abstract: An inkjet recording medium having a substrate and, on or above the substrate, an ink-receiving layer is disclosed. The ink-receiving layer contains at least one type of inorganic fine particles, at least one water-soluble resin, and at least one ethylene oxide adduct of an acetylene glycol compound having an HLB value of 6 or less.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: October 23, 2012
    Assignee: FUJIFILM Corporation
    Inventor: Ryoichi Nakano
  • Patent number: 8256892
    Abstract: A print medium for ink-jet printing can comprise a base substrate; an ink-receiving layer comprising metal oxide particulates or semi-metal oxide particulates and a binder; and a gloss layer comprising colloidal silica and greater than 5 wt % of a copolymer of vinylpyrrolidone. The ink-receiving layer can be positioned between the substrate and the gloss layer.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: September 4, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Tienteh Chen, Vladimir Shuzky
  • Patent number: 8227054
    Abstract: A recording medium including a base paper, a first layer containing a binder, and a second layer containing a white pigment and an acid, formed in this order, wherein the base paper having the first layer provided thereon has a Cobb water absorbency of 2.0 g/m2 or below at the surface of the first layer as determined under a contact time of 120 seconds by a water absorbency test in accordance with JIS P8140, the recording medium has a water absorption amount of from 2 mL/m2 to 8 mL/m2 at the surface of the second layer as determined under a contact time of 0.5 seconds in accordance with the Bristow method, and the pH at the surface of the second layer is 5.5 or below.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: July 24, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Ono, Kiyoshi Irita, Kaoru Tojo
  • Patent number: 8202585
    Abstract: An inkjet printing system, comprises an inkjet printer, an ink composition, and an inkjet recording media comprising a support, and coated on the support in order from the support, a porous base layer and a porous uppermost layer, each with particular limitations The inkjet recording media and printer system is manufacturable using low-cost materials in an efficient process requiring only a single coating and drying step and that gives images with excellent gloss, color density, and image quality.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: June 19, 2012
    Assignee: Eastman Kodak Company
    Inventors: Terry C. Schultz, Bruce C. Campbell, Andrew M. Howe, Kenneth J. Ruschak, Robin D. Wesley
  • Patent number: 8163360
    Abstract: The present invention relates to a pigment dispersion having an inorganic pigment dispersed therein, characterized in that a metal compound adheres to the inorganic pigment and a metal ion concentration of the metal compound in the pigment dispersion does not exceed 0.05 mol/L.
    Type: Grant
    Filed: December 25, 2008
    Date of Patent: April 24, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaya Asao, Kenji Nakajima, Sadayuki Sugama, Hitoshi Yoshino, Akira Nagashima
  • Patent number: 8114487
    Abstract: An inkjet printing system, comprises an inkjet printer, an ink composition, and an inkjet recording media comprising a support, and coated on the support in order from the support, a porous base layer, a porous intermediate layer, and a porous uppermost layer, each with particular limitations. The inkjet recording media and printer system is manufacturable using low-cost materials in an efficient process requiring only a single coating and drying step and that gives images with excellent gloss, color density and image quality.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: February 14, 2012
    Assignee: Eastman Kodak Company
    Inventors: Terry C. Schultz, Bruce C. Campbell, Andrew M. Howe, Kenneth J. Ruschak, Robin D. Wesley
  • Patent number: 8114486
    Abstract: Coated substrates are made from colored paper coated with a coating comprising silica or fumed metal oxide, such as precipitated silica, colloidal silica, fumed silica or fumed metal oxide. An opaque coating is formed which improves the L* and b* values of the colored paper. Images printed onto the paper show improved characteristics, such as a reduction in wick or bleed, or an improved color gamut.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: February 14, 2012
    Assignee: Evonik Degussa Corporation
    Inventor: Leo M. Nelli
  • Patent number: 8092874
    Abstract: An inkjet printing system, comprises: a printer, a pigment ink composition, and a dry recording media supply for receiving ink, the media comprising a support bearing an ink-receiving layer containing a complex of a polyvalent metal cation and a ligand, wherein the complex has a stability constant, K1, in the range of 0.3 to 6.0. The system gives images with excellent gloss, coalesence, and image quality.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: January 10, 2012
    Assignee: Eastman Kodak Company
    Inventors: Allan Wexler, James A. Reczek
  • Patent number: 8092873
    Abstract: A print medium suitable for inkjet web press printing is disclosed herein. The print medium includes a paper substrate and an ink-receiving layer coated onto at least one surface of the paper substrate. The ink-receiving layer includes: two different inorganic pigments with different particle sizes; a binder; a water-soluble metallic salt; and a colorant durability enhancer selected from the group consisting of boric acid, borax, sodium tetraborate, phenyl boronic acid, butyl boronic acid and combinations thereof.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: January 10, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Yongzhong Wang, Kelly Ronk, Jason Swei, Sandeep Bangaru
  • Patent number: 8093180
    Abstract: The present invention relates to a process for preparing a microporous membrane comprising the step of impregnating said microporous membrane with a solution, wherein said solution comprises cationic compounds for modifying the chemical and/or physical properties of said microporous membrane. The invention further relates to image recording materials, in which these microporous membranes are used.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: January 10, 2012
    Assignee: FUJIFILM Manufacturing Europe B.V.
    Inventors: Willem Johannes Van Baak, Akira Kase
  • Patent number: 8084107
    Abstract: The present invention is drawn to a print medium and a method of preparing the same. The print medium can include a media substrate, a porous ink-absorbing layer coated on the media substrate, and a porous ink-receiving layer coated on the porous ink-absorbing layer. The porous ink-absorbing layer can include semi-metal oxide or metal oxide particulates and a first binder, and the porous ink-receiving layer can include organosilane-functionalized semi-metal oxide or metal oxide particulates and a second binder.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: December 27, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Tienteh Chen
  • Patent number: 8075962
    Abstract: A newsprint medium for inkjet printing includes a newsprint medium base paper and a layer of multivalent salt disposed on at least one side of said base paper.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: December 13, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hai Quang Tran, Kelly Ronk, Rodney Stramel, Xiaoqi (Charlie) Zhou, John L Stoffel
  • Patent number: 8053044
    Abstract: A print media for inkjet web-press printing includes a paper base and a porous surface treatment. The porous surface treatment layer includes an inorganic pigment; at least one water-soluble and/or water-dispersible polymeric carrier; and at least one fixer. The fixer is a metal salt. A method of making print media is also disclosed.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: November 8, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Kelly Ronk, Hai Quang Tran
  • Patent number: 8053046
    Abstract: At least one of an ink for inkjet printing and an inkjet recording material contains a compound represented by formula (A): wherein R1, R2 and R3 each represents an alkyl group, an aryl group or a heterocyclic group, and at least two of R1, R2 and R3 are mutually connected to form a cyclic structure; L represents a divalent connecting group; and at least one of R1, R2, R3 and L is a group having 8 or more carbon atoms.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: November 8, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Toshiki Taguchi, Kozo Nagata
  • Patent number: 8048267
    Abstract: The present invention relates to a sizing or coating composition that, when applied to paper substrate, creates a substrate having improved waterfastness, surface strength, and surface strength as measured by resistance to abrasion. In addition, the present invention relates to paper substrates containing the composition, as well as methods of using and making the paper substrate and composition.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: November 1, 2011
    Assignee: International Paper Company
    Inventors: Michael F Koenig, Kapil M Singh
  • Patent number: 8012551
    Abstract: Disclosed are a coating composition, coated article, and a method for treating one or more sides of the printable web with the composition, for providing improved printing ink dry time and gloss. The coating composition comprises: a calcium carbonate pigment component comprising a mixture high and low surface area calcium carbonate pigment; a metal salt drying agent; and a cationic dye fixing agent; a pigment binder; optionally a plastic pigment; and optionally an optical brightener; and which provides: a solids content of at least about 25%; a ratio of high to low surface area calcium carbonate in the range of from about 0.5:1 to about 20:1; and a ratio of calcium carbonate pigment component to pigment binder in the range of from about 4:1 to about 50:1.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: September 6, 2011
    Assignee: International Paper Company
    Inventors: Jay C. Song, Jingxiu Wan, Thomas R. Arnson, Kapil M. Singh, Michael F. Koenig, Timothy J. Bradford
  • Patent number: 7951435
    Abstract: Disclosed is an inkjet recording material comprising at least a base layer and an ink receiving layer. The ink receiving layer is composed of a mixture of a hydrophilic component containing a hydrophilic resin and a hydrophobic resin having hot-melt property. And the mass ratio between said hydrophilic component and said hydrophobic resin having hot-melt adhesive property in the mixture is from 60:40 to 20:80 (the hydrophilic component:hydrophobic resin). The inkjet recording material is excellent in moisture resistance, while exhibiting high ink absorption capacity.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: May 31, 2011
    Assignee: Mitsubishi Plastics, Inc.
    Inventor: Shigeki Nishimura