Six-ring Members In The Heterocyclic Ring Patents (Class 106/31.77)
  • Patent number: 10329482
    Abstract: The invention provides a lighting device including a light source configured to generate light source light and a light converter configured to convert at least part of the light source light into visible converter light. The light converter includes a matrix containing a luminescent material based on derivatives of benzimidazoxanthenoisoquinolinone. The lighting device may include a further luminescent material.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: June 25, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Johan Lub, Paulus Albertus Van Hal, Rifat Ata Mustafa Hikmet, Sylvain Loic Jean-Luc Hamon
  • Patent number: 10294382
    Abstract: The present disclosure is drawn to a dispersed magenta pigment blend, including a first pigment including Pigment Violet 19 and Pigment Red 122, or Pigment Red 282; and a second pigment including Pigment Red 150. The weight ratio of the first pigment to the second pigment can be from 50:50 to 80:20 by pigment solids content.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: May 21, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Larrie Deardurff, Jr., Jayprakash C. Bhatt, Cory J. Ruud, Sterling Chaffins, Matthew Thornberry
  • Patent number: 10155867
    Abstract: A method for producing a halogenated organic pigment comprising a halogenation step of halogenating an organic pigment with a halogenating agent, wherein the halogenating agent comprises one or more N-haloimide compounds selected from the group consisting of trichloroisocyanuric acid, a metal salt of dichloroisocyanuric acid, tribromoisocyanuric acid, and a metal salt of dibromoisocyanuric acid. According to the present invention, a method for producing a halogenated organic pigment which does not use high toxic raw materials, does not generate a large amount of unfavorable by-products such as hydrogen halide gas and succinimide, and is excellent in terms of safety and productivity can be provided.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: December 18, 2018
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Akimitsu Mochizuki, Noriyoshi Takahata, Naoki Hamada, Takashi Kasuya
  • Patent number: 9663660
    Abstract: Yellow metal azo pigments based on adducts of at least two metal azo compounds provide improved dispersion properties and are of excellent suitability for pigmentation of pigment preparations for a broad field of use.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: May 30, 2017
    Assignee: LANXESS Deutschland GmbH
    Inventors: Stephan Michaelis, Frank Linke, Heinz-Josef Fuellman, Hans-Ulrich Borst, Sabine Endert, Dirk Pfuetzenreuter
  • Patent number: 9528016
    Abstract: A phase change ink composition suitable for high speed ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound, and optionally, a colorant, which provides for a robust ink. The crystalline compound is an amide and the amorphous compound is an ester of tartaric acid.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: December 27, 2016
    Assignee: XEROX CORPORATION
    Inventors: Kentaro Morimitsu, Jennifer L. Belelie, Naveen Chopra, Gabriel Iftime, Peter G. Odell
  • Patent number: 9150745
    Abstract: Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuK? X-ray diffraction spectrum having a wavelength of 1.541 ? such that no main peak is observed at a Bragg (2?±0.2°) angle in a range of 2? of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: October 6, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh
  • Patent number: 9139749
    Abstract: An ink composition contains a pigment represented by the following chemical formula 1; a hydrosoluble solvent; and water, wherein the pigment satisfies the following relation 1:0.040<Y/X<0.200 (Relation 1), where, in a CuK? X-ray diffraction spectrum having a wavelength of 1.541 ?, X represents a peak intensity at a Bragg (2?±0.2°) angle in a range of 2? of from 26.5° to 27.5° and Y represents a peak intensity at a Bragg (2?±0.2°) angle in a range of 2? of from 11.0° to 11.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: September 22, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka
  • Patent number: 9040150
    Abstract: Provided is an ink composition used in active energy ray-curable inkjet printing, which has excellent curing property, discharge property, storage stability, and compatibility with various substrates. The inkjet ink composition of the present invention includes at least two types of polymerizable compounds selected from a group consisting of (A) 2-(2-vinyloxyethoxy) ethyl acrylate, (B) N-vinyl caprolactam, and (C) at least one type of bifunctional acrylate monomer including at least a diacrylate having a molecular weight of 250 or less.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 26, 2015
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYO INK CO., LTD.
    Inventors: Yuji Kameyama, Mayuko Okamoto, Yohei Konda, Kazuhiro Jonai, Norio Suzuki
  • Patent number: 8986436
    Abstract: The present invention relates to a new family of luminescent pigments consisting of a salt of two ruthenium(II) complex ions of opposite sign charges comprising N-chelating heterocyclic ligands and to their use in security applications to prevent counterfeiting. The invention also refers to ink compositions and to the security documents or secured goods comprising said luminescent pigments.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: March 24, 2015
    Assignee: Fábrica Nacional de Moneda y Timbre—Real Casa de la Moneda
    Inventors: Guillermo Orellana Moraleda, David García Fresnadillo, Paloma Varela García De Oteyza, Javier Gamo Aranda, José Miguel Silván Pobes, Fernando Álvarez Martínez, Andrés Ruiz Quevedo
  • Patent number: 8968454
    Abstract: The invention relates to single phase solid solutions containing 65 to 98 wt.-% unsubstituted quinacridone, 1 to 34 wt.-% 2,9-dimethylquinacridone and 1 to 10 wt.-% 2,9-dichloroquinacridone, relative to the total weight of the single phase solid solution.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: March 3, 2015
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Gemma Solduga Ramirez, Janina Ohnsmann, Carsten Plueg
  • Publication number: 20150030818
    Abstract: Inkjet ink contains water, hydrosoluble organic materials; and a colorant, wherein the hydrosoluble organic materials account for 30% by weight to 50% by weight of the inkjet ink, wherein the hydrosoluble organic materials contain 3-methoxy-1-butanol, herein the hydrosoluble organic materials contain at least one of 1,3-butane diol, 3-methyl-1,3-butane diol, 1,2-butane diol, 2,3-butane diol, 1,2-pentane diol, 3-methyl-3-hydroxymethyl oxetane, 1,2-propane diol, or 1,3-propane diol in an amount of 1% of the inkjet ink.
    Type: Application
    Filed: July 10, 2014
    Publication date: January 29, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Hidetoshi Fujii, Hiroshi Gotou
  • Patent number: 8926740
    Abstract: To provide a pigment dispersion excellent in dispersibility and spectral characteristics. The pigment dispersion at least includes: a dispersion medium; a compound represented by a general formula (1), the compound being dispersed in the dispersion medium; and a pigment having a quinacridone skeleton, the pigment being dispersed in the dispersion medium: in the general formula (1), R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: January 6, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Takayuki Ujifusa, Masao Nakano, Yutaka Tani, Kaoru Takahashi, Satoshi Saito, Takayuki Toyoda, Takeshi Miyazaki, Masashi Hirose
  • Publication number: 20140368591
    Abstract: To provide a radiation-curable inkjet ink set that has a sufficiently wide color gamut and is excellent in terms of mechanical strength and substrate adhesion of cured ink, and an inkjet recording method employing the ink set. A radiation-curable inkjet ink set comprises a yellow ink comprising C.I. Pigment Yellow 185 at 1.5 to 2.5 mass %, and a magenta ink comprising C.I. Pigment Red 48:4 at 1.5 to 2.5 mass %.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 18, 2014
    Applicant: FUJIFILM CORPORATION
    Inventor: Tsutomu UMEBAYASHI
  • Publication number: 20140349087
    Abstract: An inkjet ink set consisting of a black inkjet ink, a cyan inkjet ink and two inkjet inks A and B, optionally complemented by a white ink and/or a colourless ink, wherein the inkjet ink A has a hue angle H* between 70 and 85 and a chroma C* between 30 and 80; the inkjet ink B has a hue angle H* between 20 and 40 and a chroma C* between 30 and 80; and the CIE L* a* b* coordinates were determined on polyethylene coated white paper for a 2° observer under a D50 light source.
    Type: Application
    Filed: January 16, 2013
    Publication date: November 27, 2014
    Applicant: AGFA Graphics NV
    Inventors: Jürgen Jung, Rita Torfs, Marc Bernard Graindourze, Rene Geelen
  • Patent number: 8871015
    Abstract: Non-aqueous pigment dispersions exhibiting improved dispersion quality and/or stability were prepared for a specific selection of naphthol AS pigments, diketopyrrolo-pyrrole pigments and quinacridone pigments, by using specific yellow monoazo dispersion synergists. The non-aqueous pigment dispersions can be advantageously used in inkjet inks inkjet printing methods.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: October 28, 2014
    Assignee: Agfa Graphics NV
    Inventor: Geert Deroover
  • Publication number: 20140287151
    Abstract: An ink formulation comprises a binder and at least one marking component, which comprises at least one metal oxides or oxyanion and at least one oxidizing/reducing agent, which absorbs laser irradiation between wavelengths of 780-10,600 nm, thereby causes the formulation to change color.
    Type: Application
    Filed: March 31, 2014
    Publication date: September 25, 2014
    Inventor: Jagdip Thaker
  • Patent number: 8834621
    Abstract: Provided is a pigment particle suitable for an ink capable of recording an image that is excellent in color developability and lightfastness, and has a yellow hue. The pigment particle is a pigment particle having a structure represented by the following formula (1), in which a maximum absorption wavelength of an absorption spectrum in a wavelength region of 200 nm or more and 800 nm or less is present in a range of 340 nm or more and 360 nm or less.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: September 16, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Takebayashi, Yoshio Nakajima, Shuichi Okazaki, Eiichi Nakata
  • Patent number: 8828132
    Abstract: A pigment composition containing an azo pigment represented by the following general formula (1) and a pigment derivative having a hydrophilic group: wherein G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, or an arylsulfonyl group, R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group, R2 represents a substituent, A represents an aromatic 5- or 6-membered heterocyclic group, m represents an integer of from 0 to 5, and n represents an integer of from 1 to 4, with the general formula (1) not containing any ionic hydrophilic group.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: September 9, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Masahiro Higashi, Nobuo Seto, Yoshihiro Jimbo, Keiichi Tateishi
  • Publication number: 20140224150
    Abstract: The present invention provides an active energy ray-curable inkjet magenta ink composition that achieves excellent color reproducibility and is also excellent in storage stability, and an ink set using the composition. The magenta ink composition according to the present invention contains, as two kinds of quinacridone pigments, (A) unsubstituted quinacridone and (B) 2,9-dimethylquinacridone.
    Type: Application
    Filed: August 29, 2012
    Publication date: August 14, 2014
    Applicants: TOYO INK CO., LTD., TOYO INK SC HOLDINGS CO., LTD.
    Inventors: Yohei Konda, Mayuko Okamoto, Yuji Kameyama, Kazuhiro Jonai, Norio Suzuki
  • Publication number: 20140210918
    Abstract: The ink set includes a deep black ink containing a carbon black, and a pale black ink containing the carbon black with a lower content than the deep black ink. The deep black ink further contains a first colorant and a second colorant, and the pale black ink further contains the first colorant, but does substantially not contain the second colorant. The first and the second colorant are each selected from the group consisting of cyan colorants, magenta colorants, violet colorants, and green colorants.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 31, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shiki Kumagai, Hiroki Nakane, Akira Mizutani
  • Publication number: 20140198151
    Abstract: An ink containing water, a water-soluble organic solvent and an organic pigment, wherein a primary particle of the organic pigment has a ratio (minor axis b)/(major axis a) of 0.70 or more and a particle diameter of 35 nm or less, the ink contains a water-soluble organic solvent with a dielectric constant of 25.0 or less in an amount of 0.5% by mass or more based on the total mass of the ink, and a dielectric constant ?mix of the ink as calculated according to the following equation (1) is 66-72: ?mix=?n?nrn/?nrn??Equation (1): wherein n means a kind of water or the water-soluble organic solvent, ?n is a dielectric constant of water or the water-soluble organic solvent represented by n, and rn is a content of water or the water-soluble organic solvent represented by n based on the total mass of the ink.
    Type: Application
    Filed: February 27, 2013
    Publication date: July 17, 2014
    Inventors: Masashi Yamamoto, Eiichi Nakata, Shuichi Okazaki, Satoshi Takebayashi
  • Publication number: 20140158019
    Abstract: The present invention relates to a new family of luminescent pigments consisting of a salt of two ruthenium(II) complex ions of opposite sign charges comprising N-chelating heterocyclic ligands and to their use in security applications to prevent counterfeiting. The invention also refers to ink compositions and to the security documents or secured goods comprising said luminescent pigments.
    Type: Application
    Filed: February 10, 2012
    Publication date: June 12, 2014
    Applicant: FABRICA NAIONAL DE MONEDA Y TIMBRE- REAL CASA DE LA MONEDA
    Inventors: Guillermo Orellana Moraleda, David García Fresnaldillo, Paloma Varela García De Oteyza, Javier Gamo Aranda, José Miguel Silván Pobes
  • Publication number: 20140113231
    Abstract: To provide a pigment dispersion excellent in dispersibility and spectral characteristics. The pigment dispersion at least includes: a dispersion medium; a compound represented by a general formula (1), the compound being dispersed in the dispersion medium; and a pigment having a quinacridone skeleton, the pigment being dispersed in the dispersion medium: in the general formula (1), R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.
    Type: Application
    Filed: July 24, 2012
    Publication date: April 24, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Takayuki Ujifusa, Masao Nakano, Yutaka Tani, Kaoru Takahashi, Satoshi Saito, Takayuki Toyoda, Takeshi Miyazaki, Masashi Hirose
  • Patent number: 8679243
    Abstract: An aqueous pigment dispersion used for preparing an ink jet recording aqueous ink comprises an anionic group-containing organic polymeric compound, an organic pigment, an organic pigment derivative, and the water, wherein the polymeric compound, the organic pigment, and the organic pigment derivative are dispersed in water, the organic pigment and the organic pigment derivative are a diketopyrrolopyrrole-based red pigment and a phthalimidoalkylated quinacridone, respectively, and the phthalimidoalkylated quinacridone content is in the range of 1.6 to 3.8% relative to the total (100%) of the diketopyrrolopyrrole-based red pigment and the phthalimidoalkylated quinacridone on a mass basis. Furthermore, there is provided an ink jet recording aqueous ink containing such an aqueous pigment dispersion, wherein the aqueous pigment dispersion is diluted such that the total of the organic pigment content and the organic pigment derivative content is from 1 to 8% on a mass basis.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: March 25, 2014
    Assignee: DIC Corporation
    Inventors: Ryuji Yokoyama, Takao Ogihara, Kengo Yasui
  • Publication number: 20140080063
    Abstract: The present invention provides a pigment dispersion excellent in dispersibility. Furthermore, the present invention provides a color filter yellow resist composition and an ink composition, which include the pigment dispersion. A pigment dispersion containing at least a compound represented by General formula (1) and a yellow pigment represented by General formula (2) in a dispersion medium and a method for manufacturing the same are provided. Furthermore, a color filter yellow resist composition and an ink composition are provided, wherein images can be displayed with high spectral characteristics and high display contrast because the brightness is high and the hue of yellow is excellent.
    Type: Application
    Filed: April 23, 2012
    Publication date: March 20, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • Publication number: 20140069294
    Abstract: Provided is an active energy ray-curable inkjet ink with high productivity which has the same quality level as the conventional printing and which contains an isoindoline-based pigment having a specific electric conductance, which is measured according to DIN ISO 787/14, of 150 ?S/cm or less.
    Type: Application
    Filed: September 11, 2013
    Publication date: March 13, 2014
    Applicants: TOYO INK CO., LTD., TOYO INK SC HOLDINGS CO., LTD.
    Inventors: Mayuko OKAMOTO, Tohru KONNO, Kazuhiro JONAI
  • Publication number: 20140072779
    Abstract: Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuK? X-ray diffraction spectrum having a wavelength of 1.541 ? such that no main peak is observed at a Bragg (2?±0.2°) angle in a range of 2? of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.
    Type: Application
    Filed: August 23, 2013
    Publication date: March 13, 2014
    Inventors: Akihiko MATSUYAMA, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh
  • Publication number: 20140017461
    Abstract: The present invention provides an ink composition that contains a pigment, a dispersant, a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1: where R represents hydrogen, an alkyl group having one to three carbon atoms, or chlorine, wherein the ink composition satisfies the following relations 1 and 2: 0.050?X/Y?0.120??Relation 1 0.700?Z/Y?1.050??Relation 2 where X represents a minimum absorbance in a wavelength range of from 400 nm to 450 nm, Y represents an absorbance of a maximum peak in a wavelength range of from 500 nm to 550 nm, and Z represents an absorbance of a maximum peak in a wavelength range of from 550 nm to 600 nm.
    Type: Application
    Filed: June 10, 2013
    Publication date: January 16, 2014
    Inventor: Akihiko MATSUYAMA
  • Publication number: 20130307913
    Abstract: An active-energy-ray-curable inkjet ink composition which contains at least two polymerizable monomers each having an unsaturated bond, wherein the maximum value of the difference in electric charge of carbon atoms that constitute the unsaturated bond in each of the at least two polymerizable monomers is 0.24 to 0.46 inclusive and the total content of ions of the elements Fe, Co, Ca, Na, Mg, Al, Ti, Sn and Zn is 5.0 to 100 ppm inclusive, or the difference in e value of the unsaturated double bond moiety in each of the at least two polymerizable monomers is 2.8 to 6 inclusive, and wherein a compound which is unpolymerizable and has a substituent capable of reacting with a nucleophilic agent or an acidic compound is contained.
    Type: Application
    Filed: January 26, 2012
    Publication date: November 21, 2013
    Applicant: KONICA MINOLTA, INC.
    Inventors: Kouki Kawashima, Masaki Nakamura, Atsushi Tomotake
  • Patent number: 8586141
    Abstract: A nonpolar or solid (or phase change) ink composition that includes a carrier and at least one nanoscale fluorescent pigment particle composition and/or a fluorescent organic nanoparticle composition. The fluorescent organic nanoparticle composition includes a polymeric matrix obtained by modified EA latex process and/or emulsion polymerization and one or more fluorescent dyes and the nanoscale fluorescent pigment particle composition includes pigment molecules with at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: November 19, 2013
    Assignee: Xerox Corporation
    Inventors: Maria M. Birau, Gabriel Iftime, Daryl W. Vanbesien, Jordan H. Wosnick, Christopher A. Wagner, C. Geoffrey Allen
  • Patent number: 8580025
    Abstract: The ink set includes a yellow ink composition and either a magenta ink composition or a cyan ink composition, or both, wherein a coloring agent of the yellow ink composition is one which includes an azo pigment represented e.g. by the following formula or its tautomers or their salts or hydrates, the magenta ink composition contains as a coloring agent at least one pigment selected from the following: C.I. Pigment Violet 19, C.I. Pigment Red 122, C.I. Pigment Red 202 and C.I. Pigment Red 209, and the cyan ink composition contains as a coloring agent at least one pigment selected from the following: C.I. Pigment blue 15:1, C.I. Pigment Blue 15:2, C.I. Pigment Blue 15:3, C.I. Pigment Blue 15:4 and C.I. Pigment Blue 15:6.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: November 12, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Hiroshi Yamamoto
  • Patent number: 8545612
    Abstract: A phase change ink composition, comprising an anti-drool additive to prevent and/or reduce printhead and nozzle contamination in ink jet printers caused by drooling and fouling of the faceplate by the ink. In particular, there is provided sulfonated small molecules for use in phase change ink compositions and which are compatible with phase change ink components.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: October 1, 2013
    Assignee: Xerox Corporation
    Inventors: Mihaela Maria Birau, Salma Falah Toosi, C. Geoffrey Allen, Biby Abraham, James D. Mayo, Peter G. Odell
  • Publication number: 20130201265
    Abstract: The ink composition of the invention is applied to a region to which a color ink composition has been applied. The ink composition contains a weather resistance enhancer, is substantially free from a colorant, and is applied to a recording medium to form a coating film exhibiting an integrated value of light transmittance of not more than 2000 for each nanometer at wavelengths of 320 nm to 360 nm and an integrated value of light transmittance of not less than 36000 for each nanometer at wavelengths of 380 nm to 780 nm.
    Type: Application
    Filed: February 6, 2013
    Publication date: August 8, 2013
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Seiko Epson Corporation
  • Patent number: 8500897
    Abstract: An ink set is provided, the ink set including a yellow ink composition; and at least one of a magenta ink composition and a cyan ink composition, wherein a colorant of the yellow ink composition contains an azo pigment represented by formula (1), its tautomer, or a salt or hydrate thereof, the magenta ink composition contains at least one pigment selected from quinacridone pigments, and the cyan ink composition contains at least one pigment selected from phthalocyanine pigments: wherein Z represents atoms necessary to complete a 5- to 8-membered nitrogen-containing heterocycle; Y1, Y2, R11 and R12 each represents a hydrogen or a substituent; G1 and G2 each represents a hydrogen, an alkyl group, an aralkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; and W1 and W2 each represents an alkoxy group, an amino group, an alkyl group or an aryl group.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: August 6, 2013
    Assignee: FUJIFILM Corporation
    Inventor: Keiichi Tateishi
  • Publication number: 20130155486
    Abstract: Disclosed is an ink composition used in an electrowetting display device and an electrowetting display device employing the same. The ink composition used in the electrowetting display device includes a non-polar solvent and a modified hydrophobic pigment, wherein the modified hydrophobic pigment has a structure represented by Formula (I), of P-Gn wherein P is a pigment moiety, n is 1-4 and G is wherein R1 is a straight chain or a branched C4-20 alkyl group, or C5-20 cycloalkyl group.
    Type: Application
    Filed: July 23, 2012
    Publication date: June 20, 2013
    Inventors: Ming-Tzung WU, Te-Yi Chang, Chin-Hua Chang, Wen-Jiunn Chen, Yu-Chin Lin, Ching-Mao Wu
  • Publication number: 20130149505
    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: Application
    Filed: December 10, 2012
    Publication date: June 13, 2013
    Applicant: Seiko Epson Corporation
    Inventor: Seiko Epson Corporation
  • Patent number: 8454743
    Abstract: A method of preparing a pigment includes, in order, the steps of: a) providing a pigment containing a nucleophile group under basic conditions; b) reacting the pigment with a compound according to Formula (I): wherein, X is a halogen atom or a tosylate group, and R1 and R2 independently represent an alkyl group; and c) hydrolyzing the R1-O bond and/or the R2-O bond. The obtained pigments can be used in non-aqueous pigment dispersions.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: June 4, 2013
    Assignee: AGFA-GEVAERT N.V
    Inventor: Geert Deroover
  • Publication number: 20130063518
    Abstract: Provided is a pigment particle suitable for an ink capable of recording an image that is excellent in color developability and lightfastness, and has a yellow hue. The pigment particle is a pigment particle having a structure represented by the following formula (1), in which a maximum absorption wavelength of an absorption spectrum in a wavelength region of 200 nm or more and 800 nm or less is present in a range of 340 nm or more and 360 nm or less.
    Type: Application
    Filed: August 17, 2012
    Publication date: March 14, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Takebayashi, Yoshio Nakajima, Shuichi Okazaki, Eiichi Nakata
  • Publication number: 20130036938
    Abstract: Provided are an azo compound represented by the following formula (1), a tautomer thereof, and a salt or hydrate of the azo compound or the tautomer: wherein in the formula (1), A represents a heterocyclic group; G represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R1 and R2 each independently represent a group represented by the following formula (2) or (3):
    Type: Application
    Filed: August 9, 2012
    Publication date: February 14, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Masahiro HIGASHI, Yoshihiro JIMBO
  • Publication number: 20130029265
    Abstract: The invention relates to single phase solid solutions containing 65 to 98 wt.-% unsubstituted quinacridone, 1 to 34 wt.-% 2,9-dimethylquinacridone and 1 to 10 wt.-% 2,9-dichloroquinacridone, relative to the total weight of the single phase solid solution.
    Type: Application
    Filed: March 23, 2011
    Publication date: January 31, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Gemma Solduga Ramirez, Janina Ohnsmann, Carsten Plueg
  • Publication number: 20130000511
    Abstract: A pigment composition containing an azo pigment represented by the following general formula (1) and a pigment derivative having a hydrophilic group: wherein G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, or an arylsulfonyl group, R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group, R2 represents a substituent, A represents an aromatic 5- or 6-membered heterocyclic group, m represents an integer of from 0 to 5, and n represents an integer of from 1 to 4, with the general formula (1) not containing any ionic hydrophilic group.
    Type: Application
    Filed: January 14, 2011
    Publication date: January 3, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Masahiro Higashi, Nobuo Seto, Yoshihiro Jimbo, Keiichi Tateishi
  • Publication number: 20120328984
    Abstract: To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording. A process for producing, for example, an azo pigment represented by the general formula (9), which includes a step of preparing a solution containing a compound represented by the following general formula (7) and an acid, and a step of bringing the solution incontact with a diazonium salt (8) derived from a heterocyclic amine.
    Type: Application
    Filed: January 14, 2011
    Publication date: December 27, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Masahiro Higashi, Nobuo Seto, Yoshihiro Jimbo, Keiichi Tateishi
  • Patent number: 8337610
    Abstract: A pigment dispersion containing milled particles of near infrared (NIR) absorbing pigment and an anionic surfactant of asymmetric structure as dispersant for the pigment, and a milling method for making the same are disclosed.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: December 25, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jayprakash Bhatt, Hichang Yoon, Vladek Kasperchik
  • Publication number: 20120279419
    Abstract: A method of preparing a pigment includes, in order, the steps of: a) providing a pigment containing a nucleophile group under basic conditions; b) reacting the pigment with a compound according to Formula (I): wherein, X is a halogen atom or a tosylate group, and R1 and R2 independently represent an alkyl group; and c) hydrolyzing the R1-O bond and/or the R2-O bond. The obtained pigments can be used in non-aqueous pigment dispersions.
    Type: Application
    Filed: October 15, 2010
    Publication date: November 8, 2012
    Applicant: AGFA-GEVAERT N.V.
    Inventor: Geert Deroover
  • Publication number: 20120275012
    Abstract: A pigment-based ink is disclosed. The ink includes a non-polar carrier fluid and a nitrogen-linked surface functionalized pigment particle, wherein the nitrogen-linked surface functionalized pigment particle is suspended in the non-polar carrier fluid and includes an azide moiety linked to the surface of a pigment particle. The azide moiety further includes an acidic or a basic functional group bonded to it. An electronic display utilizing the pigment-based ink and a method of formulating the pigment-based ink are also disclosed.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 1, 2012
    Inventors: Zhang-Lin Zhou, Qin Liu
  • Patent number: 8293148
    Abstract: An azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and excellent fastness such as light fastness, and a pigment dispersion containing the azo pigment are provided. An azo pigment represented by the following general formula (1) and a pigment dispersion containing the pigment: wherein G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, or a sulfonyl group, R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group, R2 represents a substituent, A represents an aromatic 5- to 6-membered heterocyclic group, m represents an integer of from 0 to 5, and n represents an integer of from 1 to 4.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: October 23, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Nobuo Seto, Masahiro Higashi, Keiichi Tateishi
  • Patent number: 8287637
    Abstract: Core-shell nanoscale pigment particles include a core organic pigment composition including nanoscale particles of organic pigments, and a shell layer of surface-deposited silica, where the organic pigment particles are selected from azo-type pigment particles, azo laked pigment particles, quinacridone pigment particles, phthalocyanine pigment particles, and mixtures thereof. The core-shell nanoscale pigment particles can also include an organic primer layer covering the core and located between the core and the shell layer. The core-shell nanoscale pigment particles can be made by preparing a core composition including nanoparticles of organic pigments, and encapsulating the core with shell layer of surface-deposited silica and an optional organic primer layer located between the core and the shell layer.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: October 16, 2012
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, Michelle N. Chretien, Sandra J. Gardner
  • Patent number: 8273167
    Abstract: The present invention provides: a pigment dispersion composition including (A) an organic pigment, (B) a pigment derivative represented by Formula (I) below and (C) a polymer compound having a pigment-adsorptive functional group; a curable color composition including the pigment dispersion composition, a polymerizable compound and a polymerization initiator; and a color filter having a color region formed using the curable color composition and a method for producing the same. Q represents an organic colorant residue; A represents an ethylene group or the like; and R represents a hydroxyl group or a group represented by —NH-A-Z; Z represents —SO3H, —COOH or a salt thereof; and n represents an integer of from 1 to 4. When R represents —NH-A-Z, the structures represented by the two —NH-A-Zs bonded to the triazine ring contained in each of the n partial structures bonded to Q may be the same as each other or different from each other.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: September 25, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Koichi Sugihara, Kazuhiro Fujimaki
  • Publication number: 20120199044
    Abstract: A method of preparing a pigment includes in order the steps of: a) providing a pigment containing a nucleophile group under basic conditions; b) reacting the pigment with 1,4-butane sultone or 1,3-propane sultone in an alkaline medium to form sulfobutyl groups respectively sulfopropyl groups on the pigment surface; and c) adding acid to convert the sulfobutyl groups or sulfopropyl groups to sulfonic acid groups. Pigments obtainable by the method and non aqueous pigment dispersions are also disclosed.
    Type: Application
    Filed: October 20, 2010
    Publication date: August 9, 2012
    Applicant: AGFA-GEVAERT N.V.
    Inventor: Geert Deroover
  • Patent number: 8211333
    Abstract: Certain poly(oxyalkylene) colorants are disclosed along with method of preparation thereof. A method of using these colorants as fluorescent security taggants is also disclosed.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: July 3, 2012
    Assignee: Sun Chemical Corp.
    Inventors: Russell Schwartz, Don DeRussy, Dan Gloster, Steve Postle, Rakesh Vig, Ewell Cook, Tatiana Romanova