Printing Ink Composition For Glass Or Ceramic Substrate Or Process Of Preparing Patents (Class 523/160)
  • Patent number: 9120939
    Abstract: An emulsified aqueous ink for use in an indirect printing process including: a reactive alkoxysilane; a surfactant; a solvent and co-solvent mixture having water; and a colorant, wherein the ink forms a cross-linked film containing siloxane linkages when the reactive alkoxysilane is hydrolyzed and condensed with heat.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: September 1, 2015
    Assignee: XEROX CORPORATION
    Inventors: Naveen Chopra, Jennifer L. Belelie, Barkev Keoshkerian, Michelle Chrétien
  • Patent number: 9114625
    Abstract: Methods and systems are provided for color printing onto nonwhite substrates and articles. For example, a method of color printing is provided, including printing multiple layers of ink each including a combination of a white ink and at least one color ink, and each printed layer having a ratio of white ink to color ink, wherein the ratio may be the same or may vary as a function of the number of layers and the color printed.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: August 25, 2015
    Assignee: NIKE, Inc.
    Inventor: Todd W. Miller
  • Patent number: 9109133
    Abstract: The ink jet ink includes pigment, first resin which has a glass-transition temperature of less than 20° C. and a weight-average molecular weight of not more than 10000, second resin which has a glass-transition temperature of not less than 23° C., and specific polyoxyalkylene glycol monoalkyl ether.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: August 18, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Yamazaki, Hideki Okada, Hiroaki Kumeta, Daisuke Ishihara
  • Patent number: 9090792
    Abstract: An ink composition contains hollow resin particles and an anti-clearing agent preventing the clearing phenomenon of the hollow resin particles.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: July 28, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Takayoshi Kagata, Tsuyoshi Sano
  • Patent number: 9073358
    Abstract: The present invention provides an inkjet ink including at least 50% by weight of organic solvent based on the total weight of the ink, a radiation curable material, a photoinitiator and a colorant. The invention also provides an apparatus for printing the ink wherein the apparatus includes at least one printhead, a means for evaporating solvent from the printed ink and a source of actinic radiation. Furthermore, the invention provides a method of inkjet printing including i) inkjet printing the inkjet ink as defined above on to a substrate; ii) evaporating at least a portion of the solvent from the printed ink; and iii) exposing the printed ink to actinic radiation to cure the radiation curable material.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 7, 2015
    Assignee: SERICOL LIMITED
    Inventors: Robert Augustus Fassam, Nigel Gould, Jeremy Ward, Barry McGregor
  • Patent number: 9068094
    Abstract: A photopolymerizable inkjet ink including: a photopolymerizable monomer having a Stimulation Index (SI value) of less than 3, where the Stimulation Index indicates the extent of sensitization as measured by a skin sensitization test based on Local Lymph Node Assay; and a phenol aromatic compound having two hydroxyl groups in the molecule thereof.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: June 30, 2015
    Assignee: Ricoh Company, Ltd.
    Inventor: Takao Hiraoka
  • Patent number: 9056991
    Abstract: A composition useful as an inkjet ink is described as well as methods of making the composition. The composition includes a pigment and a polymer and the polymer may include a polyurethane. The composition exhibits properties that make it useful in thermal and piezo inkjet applications.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: June 16, 2015
    Assignee: Cabot Corporation
    Inventor: Heather E. Clarke
  • Patent number: 9051485
    Abstract: Provided is an inkjet ink which can form high-quality images with high abrasion resistance and adhesiveness on a non-absorptive recording medium and which exhibits high ejection properties and excellent storage stability. Also provided is an inkjet recording method. An inkjet ink which comprises water, a pigment, a water-soluble resin, a water-soluble or Panic solvent and a surfactant, characterized in that: the water-soluble resin comprises a water-soluble resin consisting of a copolymer resin which has an acid value of 50 to 130 mgKOH/g, a glass transition temperature (Tg) of 30 to 100° C.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: June 9, 2015
    Assignee: KONICA MINOLTA, INC.
    Inventors: Manabu Kaneko, Hidenobu Ohya, Naoko Nakajima
  • Patent number: 9051481
    Abstract: An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 ?m on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: June 9, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Mie Yoshino, Takao Hiraoka, Shizuka Kohzuki
  • Patent number: 9045583
    Abstract: A pigment that exhibits excellent image density, dispersibility, storage stability, and resolubility, and forms an ink film that exhibits marker resistance and rubfastness is provided. A polyurethane resin-bonded pigment is produced by bringing (I) a pigment having a surface acidic group into contact with (II) a water-dispersible polyurethane resin having a tertiary amino group and an anionic polar group or a nonionic polar chain in an aqueous medium. The pigment (I) is preferably self-dispersible carbon black having a surface acidic group.
    Type: Grant
    Filed: May 30, 2011
    Date of Patent: June 2, 2015
    Assignee: TOKAI CARBON CO., LTD.
    Inventors: Yukari Ishibashi, Asami Takenaka, Shigehiro Tanaka
  • Patent number: 9045659
    Abstract: An inkjet recording ink, which contains: carbon black; a surfactant; water; a water-soluble organic solvent; and particles formed of an anionic self-emulsifying poly(ether urethane) resin, wherein the carbon black contains first carbon black whose surface has been treated with an anionic surfactant and second carbon black which has been coated with a resinous polymer, where a mass ratio of the first carbon black to the second carbon black is 10/90 to 90/10, and wherein the anionic surfactant is a naphthalenesulfonic acid-formaldehyde condensate.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: June 2, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Shin Hasegawa, Hiroyuki Fushimi
  • Patent number: 9040603
    Abstract: The disclosure provides an ink jet ink for color filter and a method for preparing the same, as well as a method for preparing of a color filter. The ink jet ink for color filter comprising, by weight, 10 to 50 parts of aqueous nano pigment dispersion and 51 to 95 parts of a cold curing component.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: May 26, 2015
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shi Shu, Jianshe Xue, Jisheng Zhao, Lin Li
  • Patent number: 9034947
    Abstract: An ink composition suitable for ink jet printing, including printing on deformable substrates. In embodiments, the stretchable ink composition is based on a solventless monomer-based ink formulation comprising a mixture of acrylic ester oligomer and monomers of acrylic ester and aromatic acrylate.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: May 19, 2015
    Assignee: XEROX CORPORATION
    Inventors: Yiliang Wu, Cameron Derry, Ping Liu
  • Publication number: 20150133582
    Abstract: Disclosed are an ink composition for an imprint lithography and a roll printing, wherein in forming patterns of the LCD device using the imprint lithography and the roll printing, an ink composition with high thermal resistance, consisting of polymer resin and additive both endurable even at a high temperature is used to form fine patterns with constantly maintaining pattern linewidths and line intervals, and wherein the ink composition is endurable even at a high temperature of 90-250° C.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 14, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Sung-Hee Kim, Soon-Sung Yoo, Jin-Wuk Kim, Byung-Geol Kim, Byung-Uk Kim, Ki-Beom Lee, Byong-Hoo Kim, Seung-Hyup Shin, Jun-Young Song, Myoung-Soo Lee
  • Patent number: 9010914
    Abstract: An ink composition is provided that comprises at least (Component A-1) diethylene glycol monobutyl ether acrylate, (Component A-2) at least one compound selected from the group consisting of a compound represented by Formula (1), phenoxyethyl acrylate, isobornyl acrylate, 3,3,5-trimethylcyclohexyl acrylate, and 4-t-butylcyclohexyl acrylate, (Component A-3) an N-vinyllactam and/or tetrahydrofurfuryl acrylate, and (Component B) a polymerization initiator, Component A-1 having a content of 1 to 35 wt % of the entire ink composition, and Components A-1 to A-3 having a total content of 60 to 90 wt % of the entire ink composition wherein R1 denotes a hydrogen atom or a methyl group and X denotes a single bond or a divalent linking group.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: April 21, 2015
    Assignee: FUJIFILM Corporation
    Inventor: Yuuichi Hayata
  • Patent number: 8998400
    Abstract: A copolymer contains repeating units represented by the following chemical formulae 1 and 2: In the chemical formulae 1 and 2, R represents a hydrogen atom or a cation; X represents an alkylene group having 2 to 18 carbon atoms; Y represents a single bond, an oxycarbonyl group [(X)—O—CO—(Z)], a carbonyloxy group [(X)—CO—O—(Z)], an ether group (—O—), or an imido group [(X)—N—CO—(—CO—)(Z)]; and Z represents a biphenyl group or a naphthyl group).
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: April 7, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Shigeyuki Harada, Tamotsu Aruga, Hiroshi Gotou, Hidetoshi Fujii
  • Patent number: 8987349
    Abstract: Disclosed are methods for making aqueous dispersions of polymer-enclosed particles, such as nanoparticles, polymerizable polymers useful in such a method, and cationic electrodepositable compositions comprising such aqueous dispersions.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: March 24, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventor: W. David Polk
  • Patent number: 8987348
    Abstract: The invention provides provide an ink jet ink exhibiting such an excellent ejection property that when an ink containing a polymer capable of improving the scratch resistance of a recorded article is used, the deviation of the ink-droplet impact point on a recording medium is prevented. The ink jet ink contains a polymer and a surfactant, wherein the acid value of the polymer is from 100 mg KOH/g or more to 220 mg KOH/g or less, the weight-average molecular weight of the polymer is from 3,000 or more to 10,000 or less, and the surfactant has a structure represented by the following formula (1) wherein n is a numerical value of from 3 or more to 27 or less, and m is a numerical value of from 16 or more to 31 or less.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: March 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Fumihiko Mukae, Masashi Ogasawara, Souichi Nagai, Shuichi Okazaki, Shin-ichi Hakamada, Yoshio Nakajima
  • Patent number: 8980975
    Abstract: Compositions including carbon nanofoam are suitable for printing and magnetic ink.
    Type: Grant
    Filed: June 23, 2013
    Date of Patent: March 17, 2015
    Assignee: Xerox Corporation
    Inventors: William G Herbert, Gary Maier
  • Patent number: 8974895
    Abstract: An inkjet ink that contains at least water; a water-soluble organic solvent; a pigment; and a copolymer or a salt thereof. The copolymer or the salt thereof has at least a structural unit represented by Formula 1, a structural unit represented by Formula 2, and a structural unit represented by Formula 3 or 4.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: March 10, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Akihiko Matsuyama, Kazukiyo Nagai, Yuusuke Koizuka
  • Patent number: 8960878
    Abstract: An ink jet ink containing a pigment and a polyurethane polymer, wherein the polyurethane polymer has units derived from a polyol having no acid group and having the carbon number of 13 or more and 250 or less, a diol having an acid group and having the carbon number of 1 or more and 7 or less, a polyol having a siloxane structure, and a polyisocyanate, and an acid value of the polyurethane polymer is 40.0 mgKOH/g or more and 80.0 mgKOH/g or less.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: February 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirofumi Ichinose, Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Yuuki Nishino, Hiroshi Tomioka
  • Patent number: 8960879
    Abstract: An ink jet ink contains a resin A, a resin B, and a pigment, in which the pigment is a halogenated metal phthalocyanine pigment being dispersed by the resin B, the resin A is a random copolymer having a carboxy group, the resin B is a block copolymer having a carboxy group, the acid value of the resin A is less than the acid value of the resin B, and the ink further includes a polybasic acid having a functional group whose pKa is 4.3 or less and a functional group whose pKa is 5.0 or more and 6.6 or less.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: February 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshihisa Yamashita, Takashi Saito, Tsuyoshi Furuse, Nobuyuki Matsumoto
  • Patent number: 8957130
    Abstract: Styrene-acrylic dispersants for use in pigment dispersions have lower viscosities than benchmark formulations such as nitrocellulose, dimer-acid based polyamides, and thermoplastic polyurethanes, prepared under otherwise identical conditions. Lower viscosities allow for the preparation of similarly viscous dispersions and inks with the styrene-acrylics when compared to traditional dispersants, at either (a) lower solvent levels, or if solvent levels are to be maintained, (b) higher pigment and solids loadings.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: February 17, 2015
    Assignee: BASF SE
    Inventors: Gary A. Deeter, Chien Hsu, Timothy D. Klots
  • Patent number: 8957131
    Abstract: The present disclosure provides an ink-jet ink containing an aqueous ink vehicle, an aqueous dispersion and a polymeric binder. The aqueous dispersion contains a colorant and a polyurethane dispersant, wherein the polyurethane dispersant is made with a polymer having cross-linkable moieties that are cross-linked with a cross-linking agent.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: February 17, 2015
    Assignee: E I du Pont de Nemours and Company
    Inventors: Charles T Berge, Xiaoqing Li
  • Patent number: 8946320
    Abstract: An ink-jet ink composition includes a jettable vehicle, a plurality of pigment solids dispersed in the jettable vehicle, and a half-ester of styrene maleic anhydride (SMA) dispersed in the jettable vehicle.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: February 3, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Dennis Z. Guo, Xiaohe Chen
  • Patent number: 8939566
    Abstract: An ink jet printing ink for use in an ink jet printing method. The ink is ejected from a print head by the action of thermal energy and includes water, a self-dispersing pigment, and at least two types of resin particles. One of the at least two types of resin particles (resin particle A) and another of the at least two types of resin particles (resin particle B) have an average particle size of 80 nm or more but 220 nm or less and an acid value of 25 mgKOH/g or more but 150 mgKOH/g or less. The resin particle A has a glass transition temperature of 25 degrees Celsius or less. The resin particle B has a glass transition temperature of 25 degrees Celsius or more. A difference in glass transition temperature between the resin particle A and the resin particle B is 10 degrees Celsius or more.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: January 27, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ikuo Nakazawa, Masayuki Ikegami
  • Patent number: 8940813
    Abstract: Disclosed is an actinic radiation-curing type ink composition comprising (Component A) a monofunctional radically polymerizable monomer and (Component B) a polyfunctional acrylate oligomer having a glass transition temperature of no greater than 20° C. and having an acrylate equivalent of at least 300 g/eq, Component A comprising (Component A-1) an N-vinyl compound and (Component A-2) an acrylamide derivative, Component A having a content of at least 70 mass % of the entire ink composition, and Component A-1 having a content of at least 18 mass % of the entire ink composition.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: January 27, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Kenjiro Araki, Atsushi Sakamoto, Kazuhiro Yokoi
  • Patent number: 8931889
    Abstract: An ink for inkjet is provided for printing, comprising a self-dispersed pigment colorant and certain hydroxyl terminated polyurethanes derived from polyether diols which enhances fastness of the print towards highlighter and finger smudge without compromising jetting performance and storage stability of the ink.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: January 13, 2015
    Assignee: E I du Pont de Nemours and Company
    Inventors: C. Chad Roberts, Waifong Liew Anton
  • Patent number: 8933148
    Abstract: A solventless radiation curable stretchable ink composition including an aliphatic urethane monomer or oligomer; an acrylic ester monomer; a photoinitiator; and an optional colorant. A patterned article including a deformable substrate; an image printed on the deformable substrate, the image being formed from a radiation curable stretchable ink composition comprising an aliphatic urethane monomer or oligomer; an acrylic ester monomer; a photoinitiator; and an optional colorant.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: January 13, 2015
    Assignee: Xerox Corporation
    Inventors: Cameron Derry, Yiliang Wu, Naveen Chopra, Peter G. Odell
  • Patent number: 8927623
    Abstract: To provide a recording ink which contains at least a water-dispersible colorant, a water-dispersible resin, a wetting agent, a surfactant and water, wherein the content of the wetting agent in the recording ink is in the range of from 20% by mass to 35% by mass, the total solid content of the water-dispersible colorant and the water-dispersible resin in the recording ink is in the range of from 12% by mass to 40% by mass, the water-dispersible resin contains fluorine resin particulates, and the ratio A:B, where A is the solid content of the water-dispersible resin in the recording ink and B is the solid content of a pigment contained in the water-dispersible colorant in the recording ink, is in the range of 0.5 to 8.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: January 6, 2015
    Assignee: Ricoh Company, Ltd.
    Inventor: Hiroshi Goto
  • Patent number: 8926081
    Abstract: The present disclosure is drawn to a nanoparticle containing overcoat composition for use in ink jet printing. The composition can include a liquid vehicle and a composite latex particulate. The composite latex particulate can include inorganic nanoparticles at least partially encapsulated by a polymer. The inorganic nanoparticles can be silica, titania, alumina, zinc oxide, silicates, oxides of indium and tin, and combinations thereof. The inorganic nanoparticles can comprise from about 1 wt % to about 20 wt % of the composite latex particulate. The overcoat composition can be used to improve the properties of ink-jetted images.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: January 6, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sivapackia Ganapathiappan, Howard S. Tom, Hou T. Ng
  • Patent number: 8927624
    Abstract: A process for preparing a dispersion of encapsulated solid particles in a liquid medium is described, which includes providing a dispersion comprising solid particles, a liquid medium and a polymer comprising at least one repeat unit of the Formula (1) or a salt thereof: and cross-linking the polymer, wherein X, Q1, Q2, Q3, A and m are as defined.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: January 6, 2015
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: Neil Anthony Tallant, Neil James Thompson
  • Patent number: 8921459
    Abstract: Disclosed are a kind of ink used for ink-jet computer-to-plate (CTP) technology and the preparation method thereof. The ink comprises, in mass percent, 5% to 20% of cosslinkable resin, 5% to 25% of light solvent, and 55% to 90% of deionized water. The preparation method includes: mixing the components with stirring at room temperature; multistage filtering for removing insoluble substance and impurity in mixed solution after the crosslinkable resin being completely dissolved in the solvent; and thus to obtain the ink. An image with high resolution can be formed upon printing the ink on a treated aluminum plate and thermocuring. The aluminum plate can be printed directly by a printer, which reduces post treatment.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: December 30, 2014
    Assignee: Institute of Chemistry, Chinese Academy of Sciences
    Inventors: Huiling Li, Mingming Qin, Yanlin Song
  • Patent number: 8921453
    Abstract: A nonaqueous ink composition for an ink jet and a method of manufacturing ink comprising the same are provided. The nonaqueous ink composition for the ink jet includes: a glycol ether acetate solvent represented by a specific chemical formula; and a polypropylene glycol binder represented by a specific chemical formula. The nonaqueous ink composition for an ink jet has dynamic viscoelasticity obtained by a chemical interaction between the solvent and the binder, exhibits excellent print quality and is capable of high-speed printing.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: December 30, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jun Young Kim, Jae Woo Joung, Sung Nam Cho, Ha Yoon Song
  • Patent number: 8916625
    Abstract: An ink jet resin ink composition which is caused to adhere onto a glitter region that contains a glitter pigment, includes: at least one kind of resin selected from a urethane-based resin, an ester-based resin, and a fluorene-based resin, wherein glass-transition temperatures (Tg) of the urethane-based resin and the ester-based resin are higher than or equal to ?70° C. and less than or equal to 80° C., and a glass-transition temperature (Tg) of the fluorene-based resin is higher than or equal to 0° C.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: December 23, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Denda, Shoki Kasahara
  • Patent number: 8912248
    Abstract: The present invention provides a pigment dispersion, containing (a) a pigment; and (b) a polymer having a polyurethane bond in a main chain, having at least one polymer chain selected from the group consisting of a polyester, a polyacrylate, a polymethacrylate and a polyalkylene oxide at a side chain of the polymer, and having a partial skeleton that is different from a partial skeleton included in a chemical structure of the pigment, as a pendant of the main chain.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: December 16, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Norihide Shimohara
  • Patent number: 8911071
    Abstract: An ink jet ink includes a pigment and a polyurethane polymer having units derived from a polyisocyanate, a polyol, and a diol having an acid group, and in the ink jet ink described above, an acid value of the polyurethane polymer is 20 mgKOH/g or more and 100 mgKOH/g or less, the unit derived from the polyisocyanate includes a unit derived from a compound represented by the following general formula (I), and the proportion of the unit derived from the compound represented by the general formula (I) in the unit derived from the polyisocyanate is 90 percent by mole or less.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: December 16, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuuki Nishino, Daiji Okamura, Kousuke Yamasaki, Mitsuru Ishii, Hirofumi Ichinose, Hiroshi Tomioka
  • Patent number: 8912249
    Abstract: A process for encapsulating pigment dispersions is provided where a pigment is dispersed with a polymeric dispersant in an aqueous solvent system. An acrylate monomer and a polyurethane dispersion are added and the resultant mixture is polymerized. Optionally, the acrylate monomer/polyurethane mixture may be emulsified in water with an added surfactant or polymeric dispersant and up to 20% acrylic or other vinyl monomers based on the acrylate may be added to the acrylate monomer/polyurethane mixture before polymerization. Such encapsulated pigment dispersions may be used in inkjet inks and are stable to heat, aging test conditions, and solvent challenges. Prints from these inks have better durability.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: December 16, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Waifong Liew Anton, Hee Hyun Lee, Michael Joseph Otley, Michael Stephen Wolfe
  • Patent number: 8905533
    Abstract: The invention provides an ink composition including: (a) a polymer including a repeating unit (a1) having a group represented by the following Formula (1) and a repeating unit (a2) having a hydrophilic group; (b) a radical polymerizable compound; (c) water; and (d) a colorant; wherein, in Formula (1), each of Ra and Rb independently represents an alkyl group having from 1 to 4 carbon atoms; Ra and Rb may be bound to each other to form a 4- to 6-membered alicyclic structure; and * represents a bonding site.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: December 9, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Norihide Shimohara, Koji Hironaka
  • Patent number: 8905534
    Abstract: An ink composition having excellent storage stability and curing properties after an image formation and an image forming method using the ink composition are provided. An ink composition including (A) a polymerizable compound represented by the following general formula (1) and (B) a polymerization initiator and an image forming method using the ink composition. In the general formula (1), R1 represents a hydrogen atom or a methyl group. R2 represents a liner or branched alkylene group having 2 to 4 carbon atoms. However, in R2, it is not possible to have a structure in which an oxygen atom and a nitrogen atom which are bonded to both ends of R2 are bonded to the same carbon atom of R2. R3 represents a divalent linking group. k represents 2 or 3. x, y and z each independently represent an integer of 0 to 6 and x+y+z satisfies 0 to 18.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: December 9, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Akihito Amao, Hirotaka Kitagawa, Koji Yasuda, Toshihiro Kamada
  • Patent number: 8901200
    Abstract: A radiation-curable ink composition includes an acrylate monomer of which homopolymer has a glass transition temperature of not higher than 0° C. in an amount of 20% by mass or more and 65% by mass or less based on the total amount of reaction components; a monofunctional acrylate having an alicyclic structure; and a multifunctional acrylate having an alicyclic structure.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: December 2, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Hiroaki Kida, Toshiyuki Miyabayashi, Satoru Miura, Toru Saito, Hiroki Nakane, Jun Ito, Taketoshi Kagose, Chigusa Sato, Hiroyuki Kajimoto
  • Patent number: 8894197
    Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: November 25, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Patent number: 8895638
    Abstract: An ultraviolet ray curable ink jet composition of the present invention is characterized by being adapted to be ejected using an ink jet method and containing: a polymerizable compound; metal particles subjected to a surface treatment; and a substance A having a partial structure represented by the following formula (1), where R1 is a hydrogen atom, an oxygen radical, a hydrocarbon group or an alkoxy group, and each of R2, R3, R4 and R5 is independently a hydrogen atom or a hydrocarbon group.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: November 25, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Naoyuki Toyoda, Minoru Yamada, Masaya Shibatani, Toshiyuki Kobayashi, Hidekazu Moriyama, Taketoshi Kagose
  • Patent number: 8895639
    Abstract: An ink set is provided which includes a first ink containing a first pigment, water, and a glycol ether having an HLB value, measured by Davies method, in the range of 4.2 to 8.0, and a second ink substantially not containing the glycol ether. The second ink contains a second pigment and water.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: November 25, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Takeshi Yano, Tetsuya Aoyama, Shoki Kasahara
  • Patent number: 8889788
    Abstract: The present invention provides aqueous dispersions comprising a pigment (B) at least partially enveloped by polyurethane (A) and further comprising at least one polymerization inhibitor (C), said polyurethane (A) being obtainable by reaction of (a) 15% to 70% by weight of di- or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C—C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di- or polyisocyanate, with (c) 5% to 50% by weight of compound having at least two isocyanate-reactive groups, weight % ages being based on total polyurethane (A).
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: November 18, 2014
    Assignee: BASF SE
    Inventors: Holger Tuerk, Paul Andrew Simpson, Gernot Diehlmann
  • Patent number: 8889762
    Abstract: 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: Grant
    Filed: August 31, 2009
    Date of Patent: November 18, 2014
    Assignee: Brother Kogya Kabushiki Kaisha
    Inventors: Yuko Iwamura, Hitomi Sadohara, Akiko Miyajima
  • Patent number: 8889764
    Abstract: A water-based ink for inkjet recording is provided with color material, binder resin, surfactant, and water-based solvent, wherein when the ink is heated, 1) a viscosity of the ink is more than 10 mPa·s and 30 mPa·s or less, the viscosity being measured over the ink weight change rate range of 0% to 10%; 2) a viscosity of the ink is 200 mPa·s at any one of the ink weight change rate within 35% or more and 55% or less, the viscosity being measured by the E-type viscometer at 25° C. and 1 rpm; and 3) a surface tension at 25° C. of the ink at the ink weight change rate of 5% is lower than a surface tension at 25° C. of the ink at the ink weight change rate of 0%.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: November 18, 2014
    Assignee: Konica Minolta IJ Technologies, Inc.
    Inventor: Naoko Nakajima
  • Patent number: 8889763
    Abstract: To provide an ink jet ink capable of achieving both high colorability and excellent bleeding resistance of an image and having excellent storage stability, provided is an ink jet ink including at least a pigment and a star polymer having a structure represented by at least one formula selected from the group consisting of the following general formulae (1) to (3).
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: November 18, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhiro Hayashi, Kenji Nishiguchi
  • Patent number: 8871833
    Abstract: Provided is a metallic-pigment composition which is usable in coating compositions or ink compositions, in particular, in water-based coating compositions or aqueous inks, and which gives coating compositions having excellent storage stability. The metallic-pigment composition gives a coating film having excellent performances with respect to brightness, hiding properties, flip-flop feeling, etc., causes no colorant or organic-pigment discoloration, and has excellent adhesion and chemical resistance. The metallic-pigment composition comprises one or more mixed-coordination-type heteropolyanion compounds, a hydrolyzate of a silicon compound and/or a condensate thereof, and metal particles.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: October 28, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Kazuko Nakajima, Kaoru Ueyanagi
  • Patent number: 8865793
    Abstract: An ink-jet recording ink which is utilized for printing on a heated recording medium, wherein the ink contains at least (1) a pigment, (2) an ink-soluble resin of 2-10 weight % based on a solid content, (3) a water-soluble organic solvent, and (4) a silicone type or a fluorine type surfactant, and the ink-soluble resin and the water-soluble organic solvent satisfy the following conditions: 1) at least one type of the ink-soluble resin is provided with a carboxyl group as an acid group, and an acid value of not less than 80 and less than 300, and 2) the water-soluble organic solvent contains at least 5-15 weight % of solvent A, and 2-15 weight % of solvent B; solvent A: a glycol ether or 1,2-alkanediols, and solvent B: a cyclic solvent, a cyclic ester solvent or a dimethyl sulfoxide, containing a nitrogen or a sulfur atom.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: October 21, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami