Property Of Particle Specified (e.g., Oil Absorbtivity, Surface Area, Pore Size, Etc.) Patents (Class 428/32.37)
  • Patent number: 11926755
    Abstract: Coated substrates comprising a topcoat are disclosed. The coated substrate may be substantially free of PVC while having performance comparable to a coated substrate comprising PVC. The topcoat may comprise a base polymer comprising a polyvinylpyrrolidone copolymer, such as polyvinylpyrrolidone/vinyl acetate. The base polymer may also comprise a cationic acrylic resin. The topcoat may also comprise a pigment system and optionally, a crosslinking system.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: March 12, 2024
    Assignee: Avery Dennison Corporation
    Inventor: Dhananjay Patil
  • Patent number: 11414560
    Abstract: An oil-based inkjet ink containing a pigment, a pigment dispersant and a non-aqueous solvent, wherein the non-aqueous solvent contains a silicone oil and a fatty acid ester having 10 to 40 carbon atoms per molecule and having a ratio of (total number of atoms in side chains/total number of atoms in main chain) of at least 0.20.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: August 16, 2022
    Assignee: RISO KAGAKU CORPORATION
    Inventor: Hikaru Sugiura
  • Patent number: 11117410
    Abstract: A paper for inkjet printing may have one side that is provided with an inkjet receiver coating. The inkjet receiver coating may comprise at least pigment and binder. A portion of free or unbound pigment may be less than 10 weight percent of the total amount of pigment in the inkjet receiver coating and/or the inkjet receiver coating may have a surface that is substantially free of pigment.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 14, 2021
    Assignee: Flooring Industries Limited, SARL
    Inventor: Benjamin Clement
  • Patent number: 9657176
    Abstract: A C.I. Pigment Yellow 74 as an insoluble azo pigment is provided. This C.I. Pigment Yellow 74 is crystalline particles. The ratio (26.6°/11.7°) of a diffraction intensity of a peak at 26.6° to a diffraction intensity of a peak at 11.7° in terms of Bragg angle (2?±0.2°) as measured by powder X-ray diffraction using CuK ?-radiation is 0.85 to 1.12, and the average primary particle size is 20 to 130 nm. The use of this C.I. Pigment Yellow 74 as a colorant in a coloring composition enables to provide the coloring composition with excellent dispersibility and good particle size stability and storage stability compared with conventional pigments. The use of this coloring composition enables the formation (recording) of images having excellent clarity and transparency of such high levels that have not been achievable by conventional technologies.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: May 23, 2017
    Assignee: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
    Inventors: Ryo Hoshino, Shigeyuki Nagasato, Masahiro Takayama, Shigeru Inoue, Satoru Matsuzaki
  • Publication number: 20150044398
    Abstract: A recording medium has a base and an ink receiving layer, in which the ink receiving layer contains colloidal silica, a zirconium compound, an ammonium salt, and hydroxycarboxylic acid and 90% or more of the colloidal silica contained in the ink receiving layer exists in a region of 0 nm or more and 300 nm or less in the depth direction from the outermost surface of the recording medium.
    Type: Application
    Filed: August 4, 2014
    Publication date: February 12, 2015
    Inventors: Isamu Oguri, Hisao Kamo, Tetsuro Noguchi, Shinya Yumoto
  • Patent number: 8945693
    Abstract: Printable articles having a single coating/ink receiving layer are disclosed. In addition, printable articles having a single coating/ink receiving layer disposed on the printable article and a second coating layer disposed on the coating/ink receiving layer are disclosed.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: February 3, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Bor-Jiunn Niu, Dheya Alfekri
  • Patent number: 8900678
    Abstract: A coated medium for inkjet printing is disclosed. The coated medium includes a coating layer formed on at least one side of a supporting substrate. The coating layer includes precipitated calcium carbonate with an average particle size of less than about 1 micron, silica with a surface area of greater than 100 m2/g, a third inorganic pigment with an average particle size greater than that of precipitated calcium carbonate and selected from the group consisting of ground calcium carbonate (GCC) and clays, and at least one binder, wherein silica is present in an amount of at least 15 parts based on 100 parts of inorganic pigments in total.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: December 2, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xi Zeng, Jason Swei, Kali M. Campbell
  • Patent number: 8795796
    Abstract: An article in the form of a paper substrate having a water-swellable substrate coating on at least one of the first and second surfaces at a thickness of less than about 10 microns and. The substrate coating has an amount of a coating pigment sufficient to impart a Parker Print Smoothness value of at least about 4 to the at least one surface and is dispersed in a water-swellable coating pigment binder matrix in a coating pigment to binder matrix weight ratio of at least about 2:1. The coating pigment has larger porous coating pigment particles, and smaller coating pigment particles in a weight ratio of at least about 0.2:1. The substrate coating provides an ink-receptive porous surface. Also, a method for preparing such coated paper substrates, as well as a method for printing an image on the coated paper substrate with an inkjet printer using a lower ink usage level.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: August 5, 2014
    Assignee: International Paper Company
    Inventor: Michael F. Koenig
  • Patent number: 8609210
    Abstract: The object of the present invention is to provide a coated printing paper used for ink jet printing machines, which has an ink fixing property and ink absorption property corresponding to ink jet printing, which inhibits poor dot diffusion, and which is excellent in abrasion resistance property of printed portions. According to the present invention, provided is a coated printing paper comprising a base paper, an undercoating layer which is applied on at least one surface of the base paper and contains a pigment and a binder, and one or more coating layers on the undercoating layer, wherein the base paper contains at least one selected from a cationic resin and a multivalent cation salt; the uppermost coating layer contains at least a colloidal silica; and the 75° gloss according to JIS Z8741 of the surface of the uppermost coating layer is 40% or more.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: December 17, 2013
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Masanori Nagoshi, Koji Idei, Hiroshi Matsuda, Kazutoshi Iida, Jun Urasaki
  • Publication number: 20130293647
    Abstract: A coating composition for pre-treating a substrate prior to inkjet printing thereon, and an inkjet receiving medium comprising a substrate and having a topmost layer coated thereon, where the coating composition has a solids content which comprises at least 30 wt % of one or more aqueous soluble salts of multivalent metal cations, and particles comprised primarily of polymer having a Rockwell Hardness of less than R90 and having a mode equivalent spherical diameter of at least about 2 micrometers. When coated, the composition provides at least 0.01 g/m2 of particles comprised primarily of polymer having a Rockwell Hardness of less than R90 and which have an equivalent spherical diameter of i) at least about 2 micrometers and ii) at least 0.1 micrometer greater than the minimum coated thickness of the topmost layer.
    Type: Application
    Filed: May 2, 2012
    Publication date: November 7, 2013
    Inventors: Thomas Joseph Dannhauser, Yang Xiang, Raouf Botros
  • Publication number: 20130273271
    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: Application
    Filed: April 9, 2013
    Publication date: October 17, 2013
    Applicant: NEWPAGE CORPORATION
    Inventor: Charles E. Romano, JR.
  • Publication number: 20130251921
    Abstract: A mineral composition comprising mineral particles, said mineral particles, when in a densely compacted bed form, having a volume defined median pore diameter from 0.01 to 0.04 micrometre, and having an intruded total specific void volume of 0.1-0.3 cm3/g. A specific advantage of this composition is that it as a component in a coating, allows the passage of ink solvent into the base paper while retaining the ink molecules on the surface.
    Type: Application
    Filed: December 14, 2011
    Publication date: September 26, 2013
    Inventors: Patrick Arthur Charles Gane, Olav Bergset, George Saunders, Xueping Qiu, Dan Varney
  • Publication number: 20130243979
    Abstract: A recording medium includes a base substrate, a fusible layer including a first set of polymeric beads and a second set of polymeric beads, and an ink receiving layer disposed between the base substrate and the fusible layer. The first set of polymeric beads has an average volume-based particle size less than two microns. The second set of polymeric beads has an average volume-based particle size equal to or greater than five microns. The fusible layer includes a weight percent of the second set of polymeric beads of at least three percent.
    Type: Application
    Filed: March 19, 2012
    Publication date: September 19, 2013
    Inventors: Xi Zeng, Tao Chen, Eric L. Burch, Xiaoqi Zhou
  • Publication number: 20130216738
    Abstract: The present invention is directed to a printed substrate including a multilayer film having the following layered configuration: a print layer having a thickness of at least about 0.6 mils, which is receptive to eco-solvent inks, mild-solvent inks, latex inks, UV inks, or combinations thereof, and where the print layer includes one or more of eco-solvent inks, mild-solvent inks, latex inks, UV inks, or combinations thereof; a tie layer; a core layer; and an adhesive layer.
    Type: Application
    Filed: February 20, 2013
    Publication date: August 22, 2013
    Applicant: Avery Dennison Corporation
    Inventor: Avery Dennison Corporation
  • Publication number: 20130209708
    Abstract: The present invention concerns a print medium for inkjet printing and a method of producing such a print medium. In particular, the present invention is directed to a print medium comprising a base layer having a first side and a reverse side, an absorptive layer being in contact with the first side of the base layer, and a topcoat being in contact with the absorptive layer.
    Type: Application
    Filed: June 30, 2011
    Publication date: August 15, 2013
    Inventors: Patrick A.C. Gane, Vesa Kukkamo, Catherine Jean Ridgway
  • Patent number: 8460768
    Abstract: A paper includes a substrate and a polymer layer disposed over at least one side of the substrate. The paper further includes an aluminous material at least partially dispersed within the polymer layer. The aluminous material has a primary aspect ratio of at least about 1.5, a secondary aspect ratio of not greater than about 3.0, and a primary particle size between about 50 nm and about 1000 nm.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: June 11, 2013
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventor: Doruk O. Yener
  • Patent number: 8399076
    Abstract: An ink jet recording medium having an ink receiving layer containing a binder which containing an acrylonitrile butadiene type copolymer, the butadiene concentration of the copolymer is 50 weight % or more, and an inorganic pigment on one or two sides of a base paper mainly composed of wood pulp, wherein the concentration ratio of the acrylonitrile butadiene type copolymer to 100 parts by weight of the inorganic pigment is from one part by weight to eight parts by weight, while 60 weight % or more of the inorganic pigment is kaolin with particles of 0.4 ?m or more and below 4.2 ?m which account for 64% or more as the cumulative value of the volumetric basis when measured using a laser diffraction method, and the surface roughness of the ink receiving layer is from 0.6 ?m to 1.4 ?m when a hard backing is used at a clamp pressure of 1,000 kPa according to JIS P8151.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: March 19, 2013
    Assignees: Nippon Paper Industries Co., Ltd., Ricoh Company, Ltd.
    Inventors: Taichi Watanabe, Yuji Sawa, Kei Takigawa, Naoya Morohoshi, Kiyofumi Nagai
  • Patent number: 8377521
    Abstract: An ink-jet recording paper with a paper substrate that has a coating on at least one side, wherein the coating contains binder and inorganic pigment, and wherein: (a) the substrate has a density in the range of 0.6 to 1.0 g/cm3 and a Cobb60 value in the range of 19-25 g/m2; (b) the coating consists solely of a single layer formed as a recording layer, which is applied directly to the substrate; (c) the pigment present in the recording layer consists of colloidal synthetic boehmite with a mean crystal size in the range of 10-50 nm; and (d) the binder present in the recording material consists of silanized polyvinyl alcohol to the extent of 80-100 wt. %.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: February 19, 2013
    Assignee: Mitsubishi HiTec Paper Flensburgh GmbH
    Inventors: Gerhard Stork, Karsten Lerius
  • Publication number: 20130040078
    Abstract: Process for preparing a dispersion comprising silicon dioxide particles and cationizing agents, by dispersing 50 to 75 parts by weight of water, 25 to 50 parts by weight of silicon dioxide particles having a BET surface area of 30 to 500 m2/g and 100 to 300 ?g of cationizing agent per square metre of the BET surface area of the silicon dioxide particles, wherein the cationizing agent is obtainable by reacting at least one haloalkyl-functional alkoxysilane, its hydrolysis products or condensation products and/or a mixture thereof with at least one aminoalcohol and a defined amount of water and optionally removing the resulting hydrolysis alcohol at least partly from the reaction mixture.
    Type: Application
    Filed: May 23, 2011
    Publication date: February 14, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Stefan Scharfe, Andrea Heuschen, Christoph Batz-Sohn, Burkhard Standke, Christian Wassmer, Heinz Lach
  • Publication number: 20120293581
    Abstract: A method for printing a non-aqueous ink onto a printing substrate, using a non-aqueous ink comprising a coloring material and a non-aqueous solvent is provided, wherein the non-aqueous ink has a total surface free energy, calculated from the Kaelble-Uy theoretical formula, of 25 to 30 mN/m, and a dispersive component ratio of 0.55 to 0.75, and the printing substrate has a coating layer comprising inorganic particles, has a total surface free energy, calculated from the Kaelble-Uy theoretical formula, of 30 to 50 mN/m, has a dispersive component ratio of 0.80 to 1.0, and exhibits a liquid absorption property for the inorganic particles of 0.30 or greater. The method for printing a non-aqueous ink enables roller transfer staining to be suppressed while maintaining high image density.
    Type: Application
    Filed: May 1, 2012
    Publication date: November 22, 2012
    Applicant: RISO KAGAKU CORPORATION
    Inventors: Satoshi AOKI, Yoshifumi WATANABE, Ami TERAKADO
  • Patent number: 8313808
    Abstract: An inkjet receiver comprising a support and one or more layers coated on the support, at least one of which comprises a particulate material and a binder, the particulate material comprising composite particles having an inner portion and an outer portion or core-shell arrangement, wherein the inner portion comprises a negatively-charged, positively-charged or functionalized latex, and the outer portion comprises an inorganic material having enhanced keeping properties and reduced ozone-induced dye fade.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: November 20, 2012
    Assignee: Eastman Kodak Company
    Inventors: Gerard A. Friour, Stephanie V. Desrousseaux, Olivier J. Poncelet
  • Patent number: 8252373
    Abstract: The invention relates to a gloss coated multifunctional printing paper that can be used with a variety of office printing equipment including inkjet and electrophotographic and to processes of making and using the paper, a paper substrate; and a pigmented composition coated on at least one surface of the substrate, said pigmented coating composition comprising (1) a first pigment having a BET surface area in the range of from about 50 to about 750 m2/g; (2) a second pigment having a BET surface area in the range of from about 5 to about 49 m2/g; and (3) a polymeric binder. Said coated paper having a coating gloss equal to or greater than about 30% at 75° and a Bristow Absorption length of less than about 180 mm. The coating compositions may contain other additives such as lubricants, optical brighteners and coating rheology modifiers.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: August 28, 2012
    Assignee: International Paper Company
    Inventors: Jay C. Song, Sen Yang
  • Patent number: 8252413
    Abstract: The light calcium carbonate in the form of microparticle aggregate of the present invention has a BET specific surface area not smaller than 10 m2/g and not larger than 25 m2/g, a pore volume of 0.05 cm3/g or larger for pores having a pore diameter of 0 to 1000 ? as determined by the nitrogen adsorption method, and a pore volume ratio of 25% or more for pores having a pore diameter of 250 ? or smaller based on the total pore volume as determined by the nitrogen adsorption method, and shows an oil absorption of 100 cc/100 g or more as determined by using liquid paraffin. By using this light calcium carbonate as a filler of printing paper, superior ink absorbing property and opacity (especially opacity after printing) can be imparted to the printing paper.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: August 28, 2012
    Assignee: Okutama Kogyo Co., Ltd.
    Inventors: Kazuhisa Shimono, Tatsuo Takano, Toru Kawazu
  • Patent number: 8202586
    Abstract: The present invention provides an ink-jet recording material containing: a support; and at least two ink-receiving layers of an ink-receiving underlayer and an ink-receiving top layer, the ink-receiving layers containing a pigment and a binder and being disposed on the support; characterized in that the ink-receiving top layer contains: a finely agglomerated pigment with an average particle diameter of 0.008 to 0.7 ?m, selected from the group consisting of a silica, an alumina, and an alumina hydrate; and a coarse-grained pigment with an average particle diameter of 1 to 30 ?m, the coarse-grained pigment being contained in an amount of 1 to 15 parts by mass with respect to 100 parts by mass of the finely agglomerated pigment.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: June 19, 2012
    Assignee: Oji Paper Co., Ltd.
    Inventors: Tomomi Takahashi, Ryu Kitamura, Takehiko Kishimoto, Hideo Mitsui, Shigeru Suzuki
  • Patent number: 8133556
    Abstract: Two-layer receiver coatings particularly well adapted for use in inkjet printing comprise: A. A base layer comprising: 1. First pigment particles having (a) a number average particle size of 3-25 microns (?m), and (b) at least one of (i) an oil absorption value of at least 150 g oil/100 particles, and (ii) a pore volume of at least about 1.2 cubic meters per gram (cm3/g); and 2. Water-insoluble binder resin having a surface energy greater than 40 dyne per centimeter (dyn/cm); the first pigment particles and water-insoluble binder resin present at a weight ratio of 0.75 to 2; and B. An imaging layer comprising: 1. Second pigment particles having (a) a number average particle size of 0.01-4 (?m) aggregated to form an inter-particle region of submicron pores, and (b) a pore volume of 0.4 to 2.2 (cm3/g); and 2. Water-insoluble binder resin having a surface energy greater than 40 (dyn/cm); the second pigment particles and water-insoluble binder resin present at a weight ratio of 0.75 to 2.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: March 13, 2012
    Assignee: Brady Worldwide, Inc.
    Inventor: Bruce M. Klemann
  • Patent number: 8101250
    Abstract: The specification pertains to a single or multiple coated printing sheet in particular but not exclusively for sheet-fed offset printing with an image receptive coating layer on a paper substrate. Unexpectedly short converting times and times until reprinting can be achieved by choosing a coating, in which the image receptive coating layer comprises a top layer and/or at least one second layer below said top layer, said top and/or second layer comprising a pigment part, wherein this pigment part is composed of 1-95 preferably of 80-95 parts in dry weight of a fine particulate carbonate and/or of a fine particulate kaolin or clay and 1-100, preferably 6 to 25 parts in dry weight of a fine particulate silica, and a binder part, wherein this binder part is composed of 5-20 parts in dry weight of binder and less than 4 parts in dry weight of additives. Furthermore methods for making such a printing sheet and uses of such a printing sheet are disclosed.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: January 24, 2012
    Assignee: Sappi Netherlands Services B.V.
    Inventors: Jean-Pierre Haenen, Peter Resch, Bert Scholte
  • 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: 8071185
    Abstract: A method for the preparation of silicon dioxide dispersions is described, wherein the surface of the silicon dioxide is modified by a treatment with the reaction products of a compound of trivalent aluminum with least one aminoorganosilane. These reaction products are formed in a separate reaction step. The present invention also relates to recording sheets for ink jet printing having such a dispersion incorporated in an ink-receiving layer.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: December 6, 2011
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Urs Fürholz, Vincent Ruffieux, Meinrad Schär
  • Patent number: 8057031
    Abstract: A method of creating an image on a recording medium including a support having thereon a porous fusible layer, using an ink composition that is solid at room temperature and liquid at elevated temperature including the steps of generating droplets of the ink composition with an ink jet print head, transferring the droplets of the ink composition to the surface of the fusible layer, thermally treating the recording medium such that the ink transferred to fusible layer passes into the medium away from the surface of the fusible layer while the fusible layer remains substantially unfused, and when the ink has passed into the medium, treating the recording medium to fuse the fusible layer to become a protective overcoat. The present invention also pertains to a system for creating an image on a recording medium.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: November 15, 2011
    Assignee: OCE-Technologies B.V.
    Inventors: Guido G. Willems, Johannes P. J. C. Rooijakkers, Rudolf A. H. M. Sturme
  • 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: 8029123
    Abstract: A material set for recording includes: ink receiving particles that include a resin having an acid value of from about 50 mg KOH/g to about 750 mg KOH/g, and have a neutralization degree of from more than 0 to less than 1; and an ink that includes at least a colorant, a water-soluble solvent, and water, a value obtained by multiplying an electrical conductivity ? (S/m) of the ink by a viscosity ? (mPa·s) of the ink being from about 0.02 to about 5.0.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: October 4, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaya Ikuno, Takatsugu Doi, Ken Hashimoto
  • 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: 7985392
    Abstract: An easily dispersible cake of precipitated silica, wherein the precipitated silica has a BET specific surface area of at least 220 m2/g. When the cake is dispersed in ion-exchange water to provide an aqueous dispersion of the silica of 5% by weight in concentration and further diluted to reduce the silica concentration to 1.5% by weight, the dispersion has a light-scattering index (n-value) of at least 2. The easily dispersible cake can be obtained by simultaneously adding an alkali silicate and a mineral acid to a reaction liquid whose pH is being maintained at a fixed value within a range of 7.5-11.5 and whose temperature is being maintained at 92-98° C., thus forming precipitated silica through their reaction, and separating the precipitated silica from the reaction liquid in wet state.
    Type: Grant
    Filed: July 4, 2003
    Date of Patent: July 26, 2011
    Assignee: Tokuyama Corporation
    Inventors: Hirokatsu Hayashi, Kenji Fukunaga, Kentaro Fukuda
  • Publication number: 20110151150
    Abstract: An image receptive medium comprising a semi-translucent polymer containing semi-translucent particulate capable of attenuating visible light and imparting color or haze is disclosed. The image receptive medium includes an image receiving layer containing particulate with various light attenuating properties. The image receiving layer can receive a dye through sorption or diffusion. The attenuating properties of the particulate act to enhance the quality of the image by obscuring background and scattering light to illuminate the dye. The result is a durable image requiring only a single layer which is highly visible on opaque, clear, or colored substrates.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Applicant: SURDEC LLC
    Inventor: Paul RAMSDEN
  • Patent number: 7955669
    Abstract: An ink jet recording medium comprising a substrate and an ink receiving layer which is provided on at least one surface of the substrate and contains inorganic fine particles having an average secondary particle size of 1-4 ?m as measured by a Coulter counter method in an amount of 0.2-2.0 g/m2 in terms of solid content mass. The ink receiving layer satisfies the following conditions with respect to a pore distribution curve as determined by a nitrogen adsorption method: (1) total pore volume in a pore size range of 10-30 nm is 0.25 ml/g or more, (2) total pore volume in a pore size range of 30-70 nm is 0.1 ml/g or more, and (3) volume ratio of the total pore volume in the pore size range of 10-30 nm to the total pore volume in the pore size range of 30-70 nm is from 1:0.4 to 1:1.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: June 7, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiyuki Nagase, Teruaki Okuda, Takeshi Hara, Takeshi Oota, Hirokazu Hyakuda
  • Publication number: 20110111144
    Abstract: An inkjet recording medium comprising an ink receiving layer formed by applying a coating layer containing a pigment and a binder to at least one side of a support having air permeability, and applying a coagulation solution for coagulating the binder on a surface of the coating layer by a coagulation cast coating method, wherein a boron compound, a cationic resin and cationic colloidal silica contained in the coagulation solution exist on the surface of the ink receiving layer.
    Type: Application
    Filed: March 25, 2009
    Publication date: May 12, 2011
    Inventors: Masafumi Wasai, Takayuki Sato, Masaya Tosaka, Kei Takigawa
  • Publication number: 20110039043
    Abstract: Two-layer receiver coatings particularly well adapted for use in inkjet printing comprise: A. A base layer comprising: 1. First pigment particles having (a) a number average particle size of 3-25 microns (?m), and (b) at least one of (i) an oil absorption value of at least 150 g oil/100 particles, and (ii) a pore volume of at least about 1.2 cubic meters per gram (cm3/g); and 2. Water-insoluble binder resin having a surface energy greater than 40 dyne per centimeter (dyn/cm); the first pigment particles and water-insoluble binder resin present at a weight ratio of 0.75 to 2; and B. An imaging layer comprising: 1. Second pigment particles having (a) a number average particle size of 0.01-4 (?m) aggregated to form an inter-particle region of submicron pores, and (b) a pore volume of 0.4 to 2.2 (cm3/g); and 2. Water-insoluble binder resin having a surface energy greater than 40 (dyn/cm); the second pigment particles and water-insoluble binder resin present at a weight ratio of 0.75 to 2.
    Type: Application
    Filed: August 12, 2009
    Publication date: February 17, 2011
    Inventor: Bruce M. Klemann
  • Patent number: 7868064
    Abstract: Ink receptive particles for receiving ink, including: particles P including hydrophilic polymer particles having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 10 mol % to about 90 mol %; and hydrophobic polymer particles, attached to at least a part of a surface of the particles P and having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 0 mol % to about 10 mol %.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: January 11, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Masaya Ikuno, Ken Hashimoto
  • Patent number: 7858161
    Abstract: The present invention is an inkjet recording element including a support having thereon an image-receiving layer having porous fusible polymeric particles including a continuous phase binder polymer and a second phase including hydrocolloid, wherein the particles have a porosity of from 10 to 80 volume percent and a film forming binder.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: December 28, 2010
    Assignee: Eastman Kodak Company
    Inventors: Mridula Nair, Charles L. Bauer
  • Patent number: 7851518
    Abstract: Ink receptive particles for receiving ink, including: particles P including hydrophilic polymer particles having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 10 mol % to about 90 mol %; and hydrophobic polymer particles, attached to at least a part of a surface of the particles P and having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 0 mol % to about 10 mol %.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: December 14, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Masaya Ikuno, Ken Hashimoto
  • Publication number: 20100304057
    Abstract: A coated medium for inkjet printing is disclosed. The coated medium includes a coating layer formed on at least one side of a supporting substrate. The coating layer includes precipitated calcium carbonate with an average particle size of less than about 1 micron, silica with a surface area of greater than 100 m2/g, a third inorganic pigment with an average particle size greater than that of precipitated calcium carbonate and selected from the group consisting of ground calcium carbonate (GCC) and clays, and at least one binder, wherein silica is present in an amount of at least 15 parts based on 100 parts of inorganic pigments in total.
    Type: Application
    Filed: May 29, 2009
    Publication date: December 2, 2010
    Inventors: Xi Zeng, Jason Swei, Kali M. Campbell
  • Patent number: 7833591
    Abstract: The present invention discloses an ink printing method using an image-recording element, which provides an image having excellent image quality and superior dry time, comprising insoluble cationic core-shell polymeric particles each comprising a core comprising cationic core polymer having at least 10 mole percent of a cationic mordant monomeric unit and a shell comprising hydrophilic shell polymer that is substantially less cationic than the cationic core polymer, wherein the shell is at least 10% by weight of the core.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: November 16, 2010
    Assignee: Eastman Kodak Company
    Inventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz
  • Publication number: 20100277541
    Abstract: An ink jet recording medium having an ink receiving layer containing a binder which containing an acrylonitrile butadiene type copolymer, the butadiene concentration of the copolymer is 50 weight % or more, and an inorganic pigment on one or two sides of a base paper mainly composed of wood pulp, wherein the concentration ratio of the acrylonitrile butadiene type copolymer to 100 parts by weight of the inorganic pigment is from one part by weight to eight parts by weight, while 60 weight % or more of the inorganic pigment is kaolin with particles of 0.4 ?m or more and below 4.2 ?m which account for 64% or more as the cumulative value of the volumetric basis when measured using a laser diffraction method, and the surface roughness of the ink receiving layer is from 0.6 ?m to 1.4 ?m when a hard backing is used at a clamp pressure of 1,000 kPa according to JIS P8151.
    Type: Application
    Filed: October 30, 2008
    Publication date: November 4, 2010
    Applicants: NIPPON PAPER INDUSTRIES CO., LTD., RICOH COMPANY, LTD.
    Inventors: Taichi Watanabe, Yuji Sawa, Kei Takigawa, Naoya Morohoshi, Kiyofumi Nagai
  • Publication number: 20100233391
    Abstract: This invention provides an ink-jet recording medium which improves balance between ink absorption and print image quality by ink-jet printing and is excellent in quick drying properties after printing and has an ink absorbing layer with high image quality. In the ink-jet recording medium, at least one ink absorbing layer including a material containing 5 to 90 wt % of a calcium carbonate pigment in terms of solid content is disposed on one side or both sides of a substrate, and this calcium carbonate pigment is one in which silica formed from soda silicate and calcium chloride is subjected to chemical or physical adsorption treatment on the surface of calcium carbonate particles so that the weight ratio of SiO2 to CaO is in a range of 2.0 to 80%, and the calcium carbonate pigment and the silica are preferably intertwined into a spherical form of 0.3 to 20 ?m.
    Type: Application
    Filed: January 29, 2007
    Publication date: September 16, 2010
    Inventors: Yasuyuki Kumada, Shigeru Nawa, Hiroki Furusawa, Yasuhide Yoshida
  • Patent number: 7771816
    Abstract: Information carrier precursor comprising: a rigid sheet or support and a receiving layer configuration comprising at least one layer, wherein at least one layer of the receiving layer configuration is opaque, porous, has the capability of being rendered substantially transparent by penetration by a lacquer provided at the outermost surface of the receiving layer configuration and comprises at least one pigment, at least one binder and a pattern-wise applied diffusion inhibitor selected from the group consisting of silicones substituted with a polyalkyleneoxy-group, anionic surfactants having a fluoroalkyl-group with at least 7 carbon atoms and/or an alkyl group with at least 10 carbon atoms and/or an alkenyl group with at least 10 carbon atoms and/or two alkyl groups with at least 8 carbon atoms and cationic surfactants having a fluoroalkyl-group with at least 7 carbon atoms and/or an alkyl group with at least 10 carbon atoms and/or two alkyl groups with at least 8 carbon atoms; a method for producing the abo
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: August 10, 2010
    Assignee: Agfa-Gevaert NV
    Inventors: Luc Leenders, Eddie Daems
  • Patent number: 7749580
    Abstract: The invention relates to a gloss coated multifunctional printing paper that can be used with a variety of office printing equipment including inkjet and electrophotographic and to processes of making and using the paper. a paper substrate; and a pigmented composition coated on at least one surface of the substrate, said pigmented coating composition comprising (1) a first pigment having a BET surface area in the range of from about 50 to about 750 m2/g; (2) a second pigment having a BET surface area in the range of from about 5 to about 49 m2/g; and (3) a polymeric binder, Said coated paper having a coating gloss equal to or greater than about 30% at 75° and a Bristow Absorption length of less than about 180 mm. The coating compositions may contain other additives such as lubricants, optical brighteners and coating rheology modifiers.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: July 6, 2010
    Assignee: International Paper Company
    Inventors: Jay C Song, Sen Yang
  • Patent number: 7740921
    Abstract: A media sheet has a substrate with an image-receiving layer disposed thereon. The image-receiving layer has a first pigment having particles with a size of about 50 to about 400 nanometers, a second pigment having plate-like particles, and a third pigment that either having a porous structure with an oil absorption of about 50 to about 300 cubic centimeters of oil per 100 grams, or a porous structure comprising substantially non-porous particles.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: June 22, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiao-Qi Zhou, Hai Q Tran
  • Patent number: 7727602
    Abstract: A recording sheet with an ink-receptive layer which can be used not only for dye type inks but also for pigment type inks is provided. Also provided is a coating liquid for forming an ink-receptive layer. The recording sheet with an ink-receptive layer includes a substrate sheet and an ink-receptive layer formed thereon, wherein the ink-receptive layer includes (i) fibrous crystalline particles on surfaces of which a cationic hydrated metal compound is supported and (ii) a binder. The fibrous crystalline particles have an average fiber diameter (D) of 0.1 to 2 ?m, an average fiber length (L) of 1 to 200 ?m and a ratio (aspect ratio) of an average fiber length (L) to an average fiber diameter (D) of 5 to 500.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: June 1, 2010
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Manabu Watanabe, Hiroyasu Nishida
  • Patent number: 7718236
    Abstract: An inkjet recording element having a support having thereon in sequence (a) a transparent, non-porous layer that can be swelled by water less than 0.67 of its original weight, and (b) a fusible, porous image-receiving layer. The inkjet recording element exhibits improved adhesion and excellent image quality. A method of inkjet printing is also disclosed.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: May 18, 2010
    Assignee: Eastman Kodak Company
    Inventors: Hwei-Ling Yau, Wendy S. Krzemien
  • Patent number: 7713599
    Abstract: The object of the present invention is to provide an ink jet recording material which has no cracks on the surface of the ink-receiving layer and possesses both the color developability and the absorbability of pigment inks. According to the present invention, there is provided an ink jet recording material formed by coating a coating solution of a pigment layer and a coating solution of at least one ink-receiving layer in succession on at least one side of a paper support and drying the resulting coating layers, wherein the pigment contained in the pigment layer has an average secondary particle diameter of not less than 1 ?m and not more than 5 ?m, 50% by volume or more of the total volume of the pigment has a secondary particle diameter of not less than 1.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: May 11, 2010
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Hiroaki Watanabe, Katsuaki Arai, Yasuro Yokota, Suguru Kashima