Mixed Pigments Containing Patents (Class 106/494)
  • Patent number: 7824488
    Abstract: The invention relates to a pigment composition based on P.Y. 191 of the formula (1) containing 0.05 to 30 mol %, based on the sum of P.Y. 191 and a further yellow colorant, of at least one further yellow colorant of the formula (2) and/or of C.I. Pigment Yellow 100 in which R1, R2, R3 and R4 are each independently hydrogen, halogen, —CH3, —NO2, or NH—R6 where R6 is C1-C4-alkyl; R5 is methyl or carboxyl, and where the compound of the formula (2) is not C.I. Pigment Yellow 191.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: November 2, 2010
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Till Borchert, Martin Ulrich Schmidt, Arpad Acs, Ruediger Jung
  • Patent number: 7819969
    Abstract: A Naphthol AS colorant according to Formula (I): wherein R1, R2, R3, R4 and R5 are each independently selected from the group consisting of hydrogen, methyl, ethyl, halogen, methoxy, ethoxy, —CONH-phenyl and —NO2, wherein the group Q is a group including two carboxyl groups or salts thereof. The Naphthol AS colorant may also be used for making colored layers and non-aqueous pigment dispersions.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: October 26, 2010
    Assignee: Agfa Graphics NV
    Inventor: Geert Deroover
  • Patent number: 7819968
    Abstract: A dry colorant composition is disclosed and contains (a) pigment; (b) inert carrier; and (c) rheological additive having the structure: P—(U—Y)s wherein P is the residue of an organic colorant, Y is a polyalkylene oxide or polyalkylene moiety, U is a linking moiety covalently bonding Y to P, and s is an integer from 1 to 3.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: October 26, 2010
    Assignee: Sun Chemical Corporation
    Inventors: Russell J. Schwartz, Darren Mark Ortalano, Darleen Rae Wright
  • Publication number: 20100219384
    Abstract: The invention relates to a pigment composition that is composed of compounds of formulas (I), (II) and (III), is characterized by a average particle size d50 ranging from 10 to 60 nm, less than 5% by volume of the particles being greater than 70 nm, and can be obtained by reacting of 1 mol of a succinic acid diester with 2 mol of a mixture of nitriles A-CN and B-CN nitriles, the molar ratio of A-CN and B-CN in the nitrile mixture being in the range from 99.5:0.5 to 85.0:15.
    Type: Application
    Filed: September 16, 2008
    Publication date: September 2, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Tanja Reipen, Jens Reichwagen, Matthias Ganschow, Carsten Plueg, Lars Schneider
  • Publication number: 20100222500
    Abstract: The invention relates to aqueous pigment preparations containing at least one organic and/or inorganic pigment, as well as dispersing agent that comprises or more structural units of the formula (I) which are bound to a structural unit Y. In formula (I), a represents an integer from 1 to 100, b represents an integer from 0 to 100, c represents an integer from 1 to 100, units a, b, and c can be arranged statistically or in blocks, R2 represents an aliphatic, linear or branched hydrocarbon radical having 1 to 30 carbon atoms, A represents hydrogen or an anionic radical of the formulae —SO3M, —SO2M, —PO3M2, —CH2COOM or (II), and M represents a hydrogen atom, a cation from the group Na+, K+, NH4+, ethanolammonium, diethanolammonium or triethanolammonium, or a secondary, tertiary or quaternary, alkyl-substituted ammonium ion that is substituted with alkyl groups, or a combination thereof.
    Type: Application
    Filed: January 10, 2007
    Publication date: September 2, 2010
    Inventors: Hendrik Ahrens, Bjoern Fechner, Uwe Bechtold
  • Patent number: 7780780
    Abstract: According to the method of producing organic pigment fine particles of the present invention, when producing organic pigment fine particles by allowing two or more solutions at least one of which is an organic pigment solution in which an organic pigment is dissolved to flow through a microchannel, the organic pigment solution flows through the microchannel in a non-laminar state. Accordingly, the contact area of solutions per unit time can be increased and the length of diffusion mixing can be shortened, and thus instantaneous mixing of solutions becomes possible. As a result, nanometer-scale monodisperse organic pigment fine particles can be produced in a stable manner.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: August 24, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Hideharu Nagasawa, Yuki Shimizu
  • Publication number: 20100168291
    Abstract: A process for mass-colouring high molecular weight material, in which process a compound of formula or a tautomer thereof, wherein M1 is H, ½M2, ?M3 or NR4R5R6R7, preferably H, ½M2 or NR4R5R6R7, especially H, M2 is an alkaline earth or transition metal in oxidation state II or an oxo-metal in oxidation state IV, M3 is Al(III), a transition metal in oxidation state III or an oxo-metal in oxidation state V, R1 is H or a non-ionic substituent, R2 is H or, independently of R1, a further non-ionic substituent, R3 is H, C1-C6alkyl, phenyl, CO—C1-C6alkyl or CO-phenyl, preferably H or CO—C1-C6alkyl, especially H, and R4, R5, R6 and R7 are each independently of the others H or phenyl, benzyl or C1-C6alkyl, which are unsubstituted or may be substituted by hydroxy or by halogen and in the case of C3-C6alkyl is uninterrupted or interrupted by O, is incorporated into the high molecular weight material before or during shaping.
    Type: Application
    Filed: June 24, 2009
    Publication date: July 1, 2010
    Applicant: CIBA CORPORATION
    Inventors: Thomas Ruch, Ursula Luterbacher
  • Publication number: 20100154680
    Abstract: The present invention relates to pigment granules which contain inorganic filter aids and a process for the production thereof and their use for colouring lime- and/or cement-bound building materials, asphalt, paints, finishes, paper or plastics.
    Type: Application
    Filed: August 20, 2009
    Publication date: June 24, 2010
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Holger Friedrich, Herbert Kunstmann, Krzysztof Chlopek, Jüergen Kischkewitz
  • Patent number: 7731791
    Abstract: The present invention relates to the field of color filters and LCDs.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: June 8, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Takashi Deno, Thomas Eichenberger, Joachim Voigt
  • Publication number: 20100126378
    Abstract: A sulfonated derivative of an organic pigment moiety comprising a polyetheramine, and a metal or ammonium salt. The pigment is used for coloration of printing inks and coatings. For ink-jet systems there is excellent filterability, low viscosity, and stability thereof.
    Type: Application
    Filed: April 3, 2008
    Publication date: May 27, 2010
    Inventor: Stanislav Vilner
  • Publication number: 20100128375
    Abstract: The present invention relates to a pigment composition or pigment dispersion that is ideal for producing the blue pixel portion of a color filter for a liquid crystal display device, and a color filter. The invention has an object of providing a color filter having a blue pixel portion that yields a liquid crystal display device having a high degree of contrast that enables the display screen to be viewed with improved clarity, and a high level of brightness that produces a brighter display screen, as well as providing a pigment composition or dispersion that can be used to produce the color filter. The above object can be realized by using a dioxazine derivative that is substituted with a sulfamoyl group having a specific polyalkylene oxide group, and a pigment composition or dispersion for a color filter that includes this dioxazine derivative and a blue organic pigment or violet organic pigment.
    Type: Application
    Filed: July 14, 2008
    Publication date: May 27, 2010
    Applicant: DIC Corporation
    Inventors: Arata Kudou, Seiji Funakura, Hitoshi Kondou
  • Patent number: 7722715
    Abstract: A process for the preparation of pigment compositions which give improved ink flow is provided which comprises treating the pigment, during the pigment synthesis, with a small amount of a long chain aliphatic amine. The pigment compositions obtained can be used for preparing millbase inks which due to their improved flow viscosity (rheology) at high pigmentation can be easily handled as well as flexibly formulated, e.g. a number of final printing inks for different ink applications can be manufactured from a single millbase in a very economical manner. The final inks are preferably used in packaging gravure printing processes.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: May 25, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Stephen Haggata, Iain Frank Fraser, Stephen John Coughlin
  • Patent number: 7722716
    Abstract: A non-aqueous pigment dispersion includes a Naphthol AS pigment or a mixed crystal thereof and a Naphthol AS colorant according to Formula (I): wherein R1, R2, R3, R4, and R5 are each independently selected from the group consisting of hydrogen, methyl, ethyl, halogen, methoxy, ethoxy, —CONH-phenyl, and —NO2; wherein the group Q is phenyl substituted by either one sulphonic acid group, two carboxylic acid groups, or salts thereof. Also, non-aqueous inkjet inks and use of the non-aqueous pigment dispersions for making colored layers.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: May 25, 2010
    Assignee: Agfa Graphics NV
    Inventor: Geert Deroover
  • Publication number: 20100119966
    Abstract: The present invention relates to a pigment composition composed of compounds of the formula (I), (II) and (III) with a novel crystal modification, to their preparation and to the use of this novel product as a pigment. For many applications of organic pigments, for example the coloring of metallic lacquers or the use thereof in color filters, a very high transparency is required. To produce color filters, for example, particularly fine pigments are used, in order to substantially rule out the particle scattering which leads to a lowering of the contrast ratio. The commercially available products, however, do not always meet all requirements of the art. More particularly, there was a need for improvement with regard to the transparency and the associated fineness of the pigment crystals, and also the color purity (chroma).
    Type: Application
    Filed: January 17, 2008
    Publication date: May 13, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Matthias Ganschow
  • Publication number: 20100095868
    Abstract: The invention relates to coated pearlescent pigments, whereby the coating covers the pearlescent pigments and comprises uncured, however, chemically cross-linkable and/or oligomeric and/or polymeric binding agents that can be cross-linked by heat, IR radiation, UV radiation and/or electron rays. The invention also relates to a method for producing the coated pearlescent pigments and to the use thereof. The invention additionally relates to a coating composition and to a coated article.
    Type: Application
    Filed: June 23, 2006
    Publication date: April 22, 2010
    Inventors: Günter Kaupp, Ulrich Schmidt, Burkhard Schreiber, Alexander Albrecht
  • Patent number: 7686883
    Abstract: A pigment preparation which is characterized by a content in a) a benzimidazolonedioxazine compound of formula (I) as base pigment and b) a dioxazine compound of the general formula (IV) as pigment dispersant wherein Q represents an m-valent radical of a compound of formula (III), wherein m is a number from 1 to 4.
    Type: Grant
    Filed: April 29, 2006
    Date of Patent: March 30, 2010
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Peter Kempter, Sven Antes, Herbert Graf, Magali Meder
  • Patent number: 7682443
    Abstract: An organic-pigment aqueous dispersion, containing a pigment at a concentration of 6 to 30 mass %, and having a haze of 0.3 to 10%, as determined by enclosing the dispersion in a transparent glass cell of optical distance 0.2 mm and analyzing with integrating-sphere photoelectric photometry; and a colored coating composition using the same.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: March 23, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tadahisa Sato, Hideki Maeta, Jun Tanabe, Hirokazu Kyota
  • Patent number: 7671117
    Abstract: Moldings made with a polyester resin which comprises a cyclic compound represented by a following formula A1-B-A2 (in the formula, A1 and A2 are the same or different and show groups represented by a below-described formula, P shows a benzene ring which may be replaced by a material, and B shows a bivalent hydrocarbon group which may be replaced by a material) and polyester capable of having a crystal structure.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: March 2, 2010
    Assignee: Sony Corporation
    Inventors: Noritaka Sato, Tsutomu Noguchi, Hiroyuki Mori
  • Patent number: 7659340
    Abstract: A universal colorant composition for both solvent- and water-based paints and coatings includes a colorant component, such as pigment, dye, colorant, tinting agent and/or metal effect agent; a surfactant package including at least one alkyd-compatible; surfactant and at least one latex-compatible surfactant; and a carrier. When the surfactant package is added to a base paint it provides a mixture having a drop in viscosity of less than about 50%.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: February 9, 2010
    Assignee: Valspar Sourcing, Inc.
    Inventors: Mark Randall Coward, Stephen M. Korenkiewicz, David R. Wallace
  • Patent number: 7658793
    Abstract: The invention relates to a pigment preparation based on at least one inorganic pigment and at least one organic pigment, and to a method for producing one such pigment preparation. Said pigment preparation contains particles wherein fine organic pigment particles are combined with inorganic pigment particles, said particles also being provided with an organic macromolecular coating. The inventive pigment preparation is produced by wet-grinding the inorganic and organic pigments, optionally adding other constituents, in the presence of a surface-active substance in the form of a macromolecular organic compound.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: February 9, 2010
    Assignee: Heubach GmbH
    Inventors: Rainer Heubach, Yvonne Brussaard, Hugo Brussaard
  • Patent number: 7655087
    Abstract: Pigment compositions each contain an organic pigment and at least one compound selected from compounds represented by the following formulas (I) or (II), respectively: A-N?N-D, B—N?N-D or C—N?N-D??Formula (I) A-N?N—CH(COCH3)—CONH-E, B—N?N—CH(COCH3)—CONH-E or C—N?N—CH(COCH3)—CONH-E??Formula (II) wherein A represents a substituted or unsubstituted phenyl group, B represents a substituted or unsubstituted ?-naphthyl group, C represents a substituted or unsubstituted ?-anthraquinonyl group, D represents a particular substituted aromatic group, and E represents a substituted or unsubstituted phenyl group, with a proviso that the compounds each have at least one substituent represented by —COOM or —SO3M in which M represents a hydrogen atom, metal atom, ammonium group, organic amine group or quaternary ammonium group. Colored compositions making use of the pigment compositions and color filters making use of the colored compositions are also disclosed.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: February 2, 2010
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Ryo Hoshino, Hideki Ito, Kazuhiko Kaneko, Kazutaka Aoki, Shotoku Takami
  • Patent number: 7637994
    Abstract: A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (I): wherein one of R1 and R2 is hydrogen and the other one of R1 and R2 represents —COOR4; R4 and R5 represent methyl; R3 is selected from the group consisting of: with C* representing the point of attachment of R3 to the nitrogen in Formula (I); and having a pigment surface including between 2.0 and 30.0 weight %, based upon the total weight of the pigment of a second compound according to Formula (I), wherein —R1, R2?, R3, R4 and R5 have the same meaning as above with the exception that at least one of R4 and R5 represents hydrogen. Also, methods of preparation of the pigment and non-aqueous pigment dispersions.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: December 29, 2009
    Assignee: Agfa Graphics NV
    Inventors: Geert Deroover, Jan Gilleir
  • Patent number: 7578880
    Abstract: A method of producing fine particles of metal complex pigment, containing the step of reacting a solution of an alkali metal salt of a ligand that constitutes the metal complex with a solution of salts of a metal that constitutes the metal complex, in the course of a laminar flow in a channel; and a method of producing fine particles of metal complex pigment, containing the step of bringing a solution of an alkali metal salt of a ligand that constitutes the metal complex and a solution of salts of a metal that constitutes the metal complex into contact with each other in a channel having an equivalent diameter of 1 mm or less to form a liquid flow.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: August 25, 2009
    Assignee: FUJIFILM CORPORATION
    Inventors: Tadahisa Sato, Jun Tanabe, Hideki Maeta
  • Patent number: 7513947
    Abstract: Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone blue dye with other red dye to absorb visible light with wavelength less than 700 nm and transmit a laser beam with wavelength at 800 nm to 1200 nm and to enhance weldability.
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: April 7, 2009
    Assignee: EI Du Pont de Nemours and Company
    Inventors: Reiko Koshida, Yoshiteru Hatase, Ryuichi Hayashi, Hiroyuki Sumi
  • Patent number: 7503972
    Abstract: Two or more solutions comprising an organic pigment solution in which an organic pigment is dissolved in a good solvent, and a poor solvent compatible with the good solvent, or a solution of the poor solvent are allowed to flow through a microchannel in a non-laminar state; and organic pigment fine particles are deposited from the organic pigment solution in a course of flowing through the microchannel by changing the solubility of the organic pigment solution with the poor solvent or the solution of the poor solvent. As a result, nanometer-scale monodisperse organic pigment fine particles can be produced in a stable manner.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: March 17, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Hideharu Nagasawa, Masato Nakao
  • Patent number: 7494542
    Abstract: A pigment composition can be prepared by wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole pigments and a mixture thereof, in the presence of a compound represented by Formula 1: where Q denotes —NH(CH2)nNR1(R2) group or hydroxyl group, and R denotes —NH(CH2)nNR1(R2) group.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: February 24, 2009
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Atsushi Endo, Takeshi Sato, Akira Inoue
  • Publication number: 20090038505
    Abstract: A non-aqueous pigment dispersion includes a Naphthol AS pigment or a mixed crystal thereof and a Naphthol AS colorant according to Formula (I): wherein R1, R2, R3, R4, and R5 are each independently selected from the group consisting of hydrogen, methyl, ethyl, halogen, methoxy, ethoxy, —CONH-phenyl, and —NO2; wherein the group Q is phenyl substituted by either one sulphonic acid group, two carboxylic acid groups, or salts thereof. Also, non-aqueous inkjet inks and use of the non-aqueous pigment dispersions for making colored layers.
    Type: Application
    Filed: November 28, 2006
    Publication date: February 12, 2009
    Applicant: AGFA GRAPHICS NV
    Inventor: Geert Deroover
  • Patent number: 7485675
    Abstract: Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone dyes and at least one other red dye to absorb and transmit select regions of visible light and to enhance weldability.
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: February 3, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Reiko Koshida, Yoshiteru Hatase, Ryuichi Hayashi, Hiroyuki Sumi
  • Publication number: 20080314285
    Abstract: A quinacridone derivative according to Formula (I): wherein R1 and R2 are each independently selected from the group consisting of hydrogen, alkyl, and halogen. Also, methods for preparing non-aqueous pigment dispersions and inkjet inks including a pigment and the quinacridone derivative of Formula (I).
    Type: Application
    Filed: November 28, 2006
    Publication date: December 25, 2008
    Applicant: AGFA GRAPHICS NV
    Inventor: Geert Deroover
  • Publication number: 20080308006
    Abstract: A diketopyrrolo-pyrrole compound according to Formula (I): wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group, and an acid group; R4—, R5, and R6 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, and a cyano group; and wherein one of R7 and R8 is a group including two acid functions while the other one of R7 and R8 represents hydrogen. Pigment dispersions, methods for forming pigment dispersions, and use of the diketopyrrolo-pyrrole compound may include Formula (I).
    Type: Application
    Filed: November 28, 2006
    Publication date: December 18, 2008
    Applicant: AGFA GRAPHICS NV
    Inventor: Geert Deroover
  • Patent number: 7442481
    Abstract: A composition comprising a toner binder and a charge control agent comprising a sulfonation product of Solvent Blue 23, wherein from greater than 0 up to 30 mole % of the Solvent Blue 23 is sulfonated.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: October 28, 2008
    Assignees: XSYS Print Solutions US LLC, Morimura Chemicals Ltd
    Inventors: Gary Don Ellis, Rhonda Sue Bartram, Edward William da Ponte, Toshihiko Oguchi, Timothy Alan Overway, Keiki Suganami
  • Patent number: 7438999
    Abstract: A dispersant for an organic pigment contains a compound represented by the following formula (1): wherein R1 and R2 may be the same or different and each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, a primary, secondary or tertiary amino group, an alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted phthalimidomethyl group, R3 and R4 may be the same or different and each independently represents a hydrogen atom or a lower alkyl group, and n means an average number of introduced sulfonic groups and stands for a number of from 0.5 to 3; or at least one salt selected from the group consisting of its metal salt, ammonium salt, organic amine salt, and organic quaternary ammonium salt. Also disclosed are a readily-dispersing pigment composition, a pigment dispersion, a colored coating fluid for color filters, a fabrication process of a color filter and a color filter, all of which make use of the dispersant.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: October 21, 2008
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Hiroaki Saikatsu, Shigeru Sakamoto, Masanori Takakamo, Seishichi Sasaki, Hiromitsu Yanagimoto, Yoshimasa Tsuchiya, Tetsuo Fukuda, Akio Yoshida
  • Patent number: 7427322
    Abstract: A method of producing a dispersion of a pigment, comprising: bringing a solution in which an organic pigment is dissolved, and an aqueous medium, into contact with each other in a channel having an equivalent diameter of 1 mm or less, thereby making the pigment into a fine particle thereof, wherein at least one of the solution and the aqueous medium comprises at least one anionic dispersing agent.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: September 23, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Hideki Maeta, Yuki Shimizu, Tadahisa Sato
  • Patent number: 7416601
    Abstract: Black perylene pigments which comprise one of the isomers of the formula Ia or Ib in which R1, R2 are each independently phenylene, naphthylene or pyridylene, each of which may be mono- or polysubstituted by C1-C12-alkyl, C1-C6-alkoxy, hydroxyl, nitro, and/or halogen; X is halogen; n Is from 0 to 4, or comprises a mixture of both isomers and has a blackness value ?210 in an alkyd/melamine baking varnish.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: August 26, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Erk, Andreas Stohr, Arno Boehm, Walter Kurtz, Jin Mizuguchi, Benno Sens
  • Patent number: 7416596
    Abstract: The invention relates to the use of a pigment composition containing between 86.0 and 99.9 total mol % of C.I. Pigment Yellow 74 molecules and between 14.0 and 0.1 total mol % of at least one monoazo pigment of the formula (1) wherein R1 represents Cl, OCH3, OH3 or NO2 as a coloring agent for pigmenting ink-jet inks and color filters.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: August 26, 2008
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Karl-Heinz Schweikart, David Blum, Felix W. Grimm, Martin U. Schmidt, Josef Geisenberger
  • Patent number: 7393404
    Abstract: A pigment dispersant contains the following component (a) alone or the following components (a) and (b) in combination: Component (a): a composite pigment formed of a diketopyrrolopyrrole pigment having a sulfonic group and another diketopyrrolopyrrole pigment having no sulfonic group, wherein the number of sulfonic group per molecule of the diketopyrrolopyrrole pigments in the composite pigment is from 0.05 to 0.5; and Component (b): a pigment other than the component (a), wherein the pigment has a sulfonic group or its metal salt, ammonium salt or amine salt. Also disclosed are a colored composition for color filters, a process for the fabrication of a color filter, the color filter fabricated by the process, an image display device including the color filter, and an information communication equipment including the image display device.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: July 1, 2008
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Hiroaki Saikatsu, Hiromitsu Yanagimoto, Naoto Kamata, Kazuhito Ooki, Yutaka Miura, Shigeru Sakamoto, Akio Yoshida, Michiei Nakamura
  • Patent number: 7384472
    Abstract: The invention concerns a pigment preparation based on C.I. Pigment Yellow 155, containing 0.1% to 50% by weight, based on the weight of C.I. Pigment Yellow 155, of at least one pigment dispersant from the group of monoazo or disazo pigments substituted with at least one sulfonic acid group, characterized in that it has a chroma C greater than 53 in the CIELAB system in a solventborne alkyd melamine varnish comprising a 6.7% by weight concentration of the pigment preparation, and/or in that it has a chroma C greater than 35 in the CIELAB system in an aqueous base varnish system in a white reduction comprising a 0.2% by weight concentration of the pigment preparation in white reduction.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: June 10, 2008
    Assignee: Clariant International Ltd.
    Inventors: Karl-Heinz Schweikart, Jean-Philippe Lerch, Laurent Pourcheron
  • Patent number: 7381260
    Abstract: A thiazineindigo pigment dispersant represented by Formula (1) or (2): where E denotes a basic group. A pigment composition contains a pigment material, and the thiazine indigo pigment dispersant. A colored composition contains the pigment composition and a pigment carrier. A color filter includes a filter segment prepared from the colored composition.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: June 3, 2008
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Masayuki Fujiki, Shoko Goto
  • Patent number: 7347894
    Abstract: There is disclosed a pigment dispersant comprises the compound represented by the following formula (I) or a metal salt, ammonium salt, amine salt or alkylammoniumchloride salt thereof. Also disclosed are a colored composition for CF, a process for the fabrication of a CF, the color filter fabricated by the process, an image display device including the color filter, and an information communication equipment including the image display device.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: March 25, 2008
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Hiromitsu Yanagimoto, Hiroaki Saikatsu, Naoto Kamata, Shigeru Sakamoto, Akio Yoshida, Michiei Nakamura
  • Patent number: 7341626
    Abstract: A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and containing one or more inorganic pigments.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: March 11, 2008
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Joachim Weber, Gerhard Wilker
  • Patent number: 7318863
    Abstract: The invention relates to an azo pigment preparation containing a) at least one azo pigment, b) a resin based on colophonium or modified colophonium with an acid value equal to or higher than 320 mg KOH/g, and c) an ammonium salt of a sulfonated diaryl yellow pigment.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: January 15, 2008
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Heinz Bach, Ulrich Ott, Rainer Winter
  • Patent number: 7318860
    Abstract: A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio of C.I. Pigment Yellow 214 to the at least one copper phthalocyanine pigment being in the range from 1:20 to 20:1. The inventive pigment preparation are especially suitable for the low-warpage colouring of semicrystalline plastics with pure green tones.
    Type: Grant
    Filed: October 30, 2004
    Date of Patent: January 15, 2008
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Heinfred Ohleier, Joachim Weber, Olaf Schupp
  • Patent number: 7311769
    Abstract: A pigment composition containing a disazo pigment of formula (I) and at least one pigment from the group of organic orange, red and violet pigments
    Type: Grant
    Filed: November 11, 2004
    Date of Patent: December 25, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Joachim Weber, Gerhard Wilker, Frank Alfter, Hans-Tobias Macholdt
  • Publication number: 20070272125
    Abstract: A pigment composition can be prepared by wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole pigments and a mixture thereof, in the presence of a compound represented by Formula 1: where Q denotes —NH(CH2)nNR1(R2) group or hydroxyl group, and R denotes —NH(CH2)nNR1(R2) group.
    Type: Application
    Filed: May 24, 2007
    Publication date: November 29, 2007
    Applicant: TOYO INK MFG. CO., LTD.
    Inventors: Atsushi Endo, Takeshi Sato, Akira Inoue
  • Patent number: 7300608
    Abstract: A blue colored composition for a color filter contains a pigment carrier comprising a transparent resin, a precursor thereof or a mixture thereof, a blue pigment having a specific surface area of 90 to 140 m2/g, and a violet pigment having a specific surface area in a range of 100 to 150 m2/g, but having a greater specific surface area than that of the blue pigment used. A color filter includes a filter segment formed from the blue colored composition.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: November 27, 2007
    Assignees: Toyo Ink Mfg. Co., Ltd., Toppan Printing Co., Ltd.
    Inventors: Kenro Sunahara, Mayumi Ogura, Ichiro Toyoda, Takumi Saito, Hidesato Hagiwara, Takeshi Itoi, Hiromitsu Ito
  • Patent number: 7297202
    Abstract: A dispersible colorant is provided which comprises a colorant and a chargeable resin pseudo fine particle of a size smaller than the size of the colorant being fixed or fused to the colorant, wherein the colorant itself has a surface charge. Thereby, it becomes possible to process a surface of the colorant while exploiting both the characteristic of a resin adhered and fixed to the surface of the colorant and the characteristic of the surface of the colorant, so that it is possible to provide a dispersible colorant that has sufficiently high dispersibility and a simple and easy method of producing the colorant, by use of a colorant that is essentially water-insoluble.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: November 20, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirofumi Ichinose, Masashi Miyagawa, Junichi Sakai, Yoshio Nakajima, Yoko Ichinose
  • Patent number: 7252710
    Abstract: A pigment dispersion composition which can be suitably applied in such fields as color filters, black matrices and ink jet recording where it is necessary to finely disperse pigments still with retention of good dispersion stability and temporal stability even when the total amount a pigment derivative, pigment intermediate, colorant derivative and colorant intermediate, and/or a pigment dispersant is small. Another object is a pigment dispersion-based resist composition which can give color filters high in permeability, excellent in contrast and causing no bleeding or black matrices high in light-shielding and insulating properties, and causing no bleeding.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: August 7, 2007
    Assignee: Sakata Inx Corp.
    Inventors: Masanori Kano, Kazunori Itoh, Takaaki Yodo
  • Patent number: 7198667
    Abstract: Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: April 3, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Ingo Klopp, Juan Antonio Gonzalez Gomez, Uwe Mauthe, Hansulrich Reisacher, Andreas Stohr
  • Patent number: 7192477
    Abstract: The process for producing highly concentrated nanometer-size fine particles of an organic pigment, which comprises dissolving the organic pigment in an amide solvent, especially an organic solvent comprising at least 50 vol % 1-methyl-2-pyrrodinone, and pouring the resultant organic pigment solution with stirring into a poor solvent which is not compatible with the organic pigment. The pigment may be a quinacridone pigment, phthalocyanine pigment etc. Any atmospheric pressure to a sub-critical and/or supercritical state can be employed as the production conditions.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: March 20, 2007
    Assignee: Japan Science and Technology Agency
    Inventors: Hachiro Nakanishi, Koich Baba, Hitoshi Kasai, Hidetoshi Oikawa, Shuji Oikawa
  • Patent number: 7160380
    Abstract: A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in the course of the laminar flow.
    Type: Grant
    Filed: September 21, 2004
    Date of Patent: January 9, 2007
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideki Maeta, Yuki Shimizu, Tadahisa Sato