Acyclic Azo Attached Directly Or Indirectly To The Heterocyclic Ring By Nonionic Bonding Patents (Class 106/31.79)
  • Patent number: 8603235
    Abstract: Disclosed is a phase change ink comprising (a) a carbon black pigment, (b) a bis-urethane, and (c) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a Fischer-Tropsch wax having an average peak molecular weight of from about 300 to about 800 and a polydispersity of from about 1.001 to about 3.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: December 10, 2013
    Assignee: Xerox Corporation
    Inventors: Raymond W Wong, Bo Wu, Christopher A Wagner
  • Patent number: 8025723
    Abstract: An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bulky stabilizer compound, which is an alkylated-benzimidazolone compound, associated non-covalently with the benzimidazolone pigment. The presence of the associated stabilizer limits an extent of particle growth and aggregation, to afford nanoscale pigment particles.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: September 27, 2011
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, C. Geoffrey Allen
  • Patent number: 8012254
    Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is a substituted pyridine derivative; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: September 6, 2011
    Assignees: Xerox Corporation, National Research Council of Canada
    Inventors: Rina Carlini, Darren Andrew Makeiff
  • Patent number: 8002888
    Abstract: The invention relates to a colorant of the formula (2) where M=Ca, Sr or a combination of Ca and Sr.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: August 23, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Arpad Acs, Till Borchert, Ruediger Jung, Steffen Schneider
  • Patent number: 7985290
    Abstract: An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bulky stabilizer compound, which is an alkylated derivative of an aromatic acid, associated non-covalently with the benzimidazolone pigment. The presence of the associated stabilizer limits an extent of particle growth and aggregation, to afford nanoscale pigment particles.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: July 26, 2011
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, C. Geoffrey Allen
  • Patent number: 7938903
    Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is an alkylated-benzimidazolone compound; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: May 10, 2011
    Assignees: Xerox Corporation, National Research Council of Canada
    Inventors: Rina Carlini, Darren Andrew Makeiff
  • Patent number: 7905954
    Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is an alkylated derivative of an aromatic acid; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: March 15, 2011
    Assignees: Xerox Corporation, National Research Council of Canada
    Inventors: Rina Carlini, Darren Andrew Makeiff
  • Patent number: 7901503
    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: Grant
    Filed: April 3, 2008
    Date of Patent: March 8, 2011
    Assignee: Sun Chemical Corporation
    Inventor: Stanislav Vilner
  • Patent number: 7892344
    Abstract: The invention provides a pigment preparation comprising (a) C.I. Pigment Red 254 with an average particle size d50 of not more than 100 nm; (b) 0.1% to 30% by weight, based on the weight of the PR 254, of one or more dispersants from the group of the unlaked sulfo-containing monoazo dyes; and (c) 0.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: February 22, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Tanja Reipen, Jens Reichwagen, Lars Schneider, Carsten Plueg, David Blum
  • Patent number: 7857901
    Abstract: An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bulky stabilizer compound, which is a substituted pyridine derivative, associated non-covalently with the benzimidazolone pigment. The presence of the associated stabilizer limits an extent of particle growth and aggregation, to afford nanoscale pigment particles.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: December 28, 2010
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, C. Geoffrey Allen
  • 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: 7550041
    Abstract: The invention pertains to a highly concentrated pigment comprising from 75 to 95% by weight, preferably from 78 to 95% by weight, most preferred from 80 to 95% by weight, based on the weight of the composition, of a pigment; from 0 to 20% by weight, preferably from 5 to 18% by weight, based on the weight of the composition, of a resin; the total of pigment and resin being from 85 to 98% by weight of the composition; and from 1 to 15% by weight, preferably from 2 to 15% by weight, most preferably from 5 to 15% by weight, based on the weight of the composition, of a C10-C18 alcohol, a liquid hydrocarbon having a boiling point higher than 80° C. at 105 Pa, or both a C10-C18 alcohol and a liquid hydrocarbon having a boiling point higher than 80° C. at 105 Pa. Also claimed are a process for its manufacture, comprising dry-milling, blending and kneading the components, and the use of the pigment concentrates for the preparation of a masterbatch, ink, coating, plastic material, toner or colour filter.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: June 23, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Thomas Healy, Lynda Cannon, Tracy Murray
  • Patent number: 7503973
    Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: March 17, 2009
    Assignee: Xerox Corporation
    Inventor: Rina Carlini
  • 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: 7300511
    Abstract: Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. % pigment.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: November 27, 2007
    Assignee: Sun Chemical Corporation
    Inventors: Gregory T. Huber, Tatiana N. Romanova, Russell J. Schwartz, Lisa Clapp, Terrance R. Chamberlain, Don Henderson
  • Patent number: 7238228
    Abstract: A metal chelate of Formula (1) or salt thereof. Formula (1) wherein: R1 and R2 are each independently H or an organic group; M is a metal; p is 1 to 4; Y is an optionally substituted heterocyclic ring with a nitrogen ortho to the azo bridge; G is a substituent; and n is 0 to 5.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: July 3, 2007
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: Gavin Wright, Peter Gregory
  • Patent number: 7226498
    Abstract: To provide an ink jet yellow ink having a favorable color tone and capable of providing an image excellent in humidity resistance. The ink jet yellow ink of the present invention is an ink jet yellow ink to be used in combination with an ink jet light-color ink comprising at least a coloring material and a water-soluble organic solvent, wherein the coloring material of the ink jet yellow ink is a compound represented by the following General Formula (I) or a salt thereof, and wherein the ink jet light-color ink satisfies a specific condition; wherein M's each independently represent a hydrogen atom, an alkali metal, an alkali earth metal, a cation of organic amine or an ammonium ion, and n's each independently represent 1 or 2; and Y?2.8X+10.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: June 5, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Yamashita, Shin-ichi Sato, Jun Yoshizawa, Kunihiko Nakamura
  • Patent number: 7173114
    Abstract: A lightfast colorant and a lightfast ink composition including the lightfast colorant utilize a lightfast colorant that is derived by covalently binding a cinnamate derivative and a conventional colorant. The lightfast colorant improves storage stability as well as lightfastness when added to an ink composition.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: February 6, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-hoon Lee, Seung-min Ryu, Yeon-Kyoung Jung
  • Patent number: 7135062
    Abstract: Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as chroma, gloss, density, light fastness and abrasion fastness, and also as hydrophilic colorants capable of affording inks excellent in physical properties such as long-term storability and press stability are described.
    Type: Grant
    Filed: June 11, 2004
    Date of Patent: November 14, 2006
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Michiei Nakamura, Hideyuki Koiso, Naoyuki Sakai, Yoshiyuki Zama, Atsushi Nogami, Hiroyuki Shimanaka, Seishichi Sasaki, Hiroaki Saikatsu
  • Patent number: 7056376
    Abstract: A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a compound of Formula (1): T-Q-N?N-L-T??Formula (1) wherein: each T independently is an azo group; Q is an optionally substituted, optionally metallised 1,8-dihydroxynaphthyl group; and L is a divalent organic linker group. Also claimed are compositions and dyes.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: June 6, 2006
    Assignee: Avecia Limited
    Inventors: Ajay Haridas Popat, Alan Dickinson, Maria Soteri Hadjisoteriou, Neil James Thompson, Paul Wight, Peter Gregory, Roy Bradbury, Philip John Double, Thomas Paul
  • Patent number: 7008475
    Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: March 7, 2006
    Assignee: Clariant GmbH
    Inventors: Rudolf Randler, Ulrike Rohr, Josef Geisenberger, Ruediger Baur, Hans-Tobias Macholdt, Heidemarie Menzel
  • Patent number: 6989055
    Abstract: A monoazo lake pigment composition containing a monoazo lake pigment obtained from a laked pigment aqueous slurry prepared by conducting coupling of a diazo component obtained by diazotizing an aromatic amine having a soluble group and a coupler component and conducting laking after or simultaneously with the coupling, wherein the laking is carried out in the presence of a water-soluble acrylic polymer in an amount of 0.1 to 40 parts by weight per 100 parts of the above coupler component, and a gravure ink containing the above pigment composition and a gravure ink vehicle.
    Type: Grant
    Filed: August 6, 2003
    Date of Patent: January 24, 2006
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Kenji Kitamura, Shigeki Kato, Hitoshi Maki, Shoko Goto, Motoi Shitaka, Osamu Shiromaru
  • Patent number: 6811597
    Abstract: An ink composition and/or a recording medium are made to contain a compound expressed by general formula (1) and a hydrazide compound. An ink composition thereby obtained does not clog and the ink composition and recording medium thus obtained can offer high quality images that hardly cause yellowing of the resulting recording with superior light resistance. Recording and an inkjet recording method pertaining thereto are also provided.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: November 2, 2004
    Assignee: Seiko Epson Corporation
    Inventors: Yasuhiro Oki, Kazuhiko Kitamura, Tetsuya Aoyama, Kyoichi Oka, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
  • Publication number: 20040206271
    Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.
    Type: Application
    Filed: January 8, 2004
    Publication date: October 21, 2004
    Inventors: Rudolf Randler, Ulrike Rohr, Josef Geisenberger, Ruediger Baur, Hans-Tobias Macholdt, Heidemarie Menzel
  • Publication number: 20040035324
    Abstract: The invention relates to a compound of the 1-aminoanthraquinone, anthanthzone, anthrapynimidine, quinacridone, dioxazine, diketopyrrolopyrrole, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perinone, perylene, phthalocyanine, pyranthrone or thioindigo series, which compound has one or more sulfonate groups of formula (1) wherein R1 is methyl or ethyl, R2, R3? and R4 are each independently of the others C6-C24alkyl or C6-C24alkenyl, m is a number from 0.3 to 1.0 and n is a number from 0 to (1.0 m), the compound being suitable for use as a pigment dispersant and rheology improver. Also claimed are modified pigments having that compound on their surface, and also pigment compositions and dispersions comprising that compound.
    Type: Application
    Filed: June 10, 2003
    Publication date: February 26, 2004
    Inventor: Philippe Bugnon
  • Patent number: 6676737
    Abstract: A water based ink composition is disclosed. A precursor, which can be converted to an insoluble pigment employing at least one of a chemical means, a thermal means, a photodecomposition means, and a radiation means, is dissolved in a water based solvent in the ink.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: January 13, 2004
    Assignee: Konica Corporation
    Inventors: Hidenobu Ohya, Hitoshi Morimoto
  • Patent number: 6607588
    Abstract: Novel addition products of hydroxyl-protecting groups (such as isocyanates) with oxyalkylene-substituted intermediates, such as poly(oxyalkylenated) aniline compounds, for the eventual production of substituted, and substantially pure, colorants, particularly diazo and triphenylmethane derivatives, through the reaction of such intermediates with certain reactants are provided. These new colorants exhibit improved wax and/or oil solubility and high purity, particularly due to the inability of certain impurities to deleteriously react with the protected hydroxyl groups of either the intermediate or the colorant during and/or after formation thereof. A method for producing such novel colorants through utilization of these novel substantially pure colorant intermediates is also provided.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: August 19, 2003
    Assignee: Milliken & Co.
    Inventor: Rajnish Batlaw
  • Publication number: 20030061964
    Abstract: Novel addition products of hydroxyl-protecting groups (such as isocyanates) with oxyalkylene-substituted intermediates, such as poly(oxyalkylenated) aniline compounds, for the eventual production of substituted, and substantially pure, colorants, particularly diazo and triphenylmethane derivatives, through the reaction of such intermediates with certain reactants are provided. These new colorants exhibit improved wax and/or oil solubility and high purity, particularly due to the inability of certain impurities to deleteriously react with the protected hydroxyl groups of either the intermediate or the colorant during and/or after formation thereof. A method for producing such novel colorants through utilization of these novel substantially pure colorant intermediates is also provided.
    Type: Application
    Filed: September 6, 2001
    Publication date: April 3, 2003
    Inventor: Rajnish Batlaw
  • Publication number: 20030040559
    Abstract: The present invention provides Pigment Yellow 180 having an excellent transparency produced by using a fine slurry of 5-acetoacetylamino-benzimidazolone as a coupling component when Pigment Yellow 180 is produced by coupling reaction of 5-acetoacetylamino-benzimidazolone and diazo component obtained by diazotization of 1,2-bis(2-aminophenoxy)ethane.
    Type: Application
    Filed: August 15, 2002
    Publication date: February 27, 2003
    Inventors: Isao Hashimoto, Noboru Tsuda, Hiroshi Ohsawa, Tomonori Okazaki, Manabu Shiga, Kohei Ohtsuki
  • Patent number: 6409812
    Abstract: A diamide type azo compound represented by the general formula (I): which is derived from 2-hydroxy-3,6-dicarboxylic acid and at least one of the amide moieties in the compound is an aliphatic amide moiety, various use of the same and process for preparing the same are provided.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: June 25, 2002
    Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
    Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori
  • Patent number: 6387170
    Abstract: An orange laked monoazo pigment has the following formula (I): wherein M is an alkaline metal selected from the group consisting of calcium, barium, strontium, magnesium and manganese.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: May 14, 2002
    Assignee: Dominion Colour Corporation
    Inventors: Alan Gray, Henry Lui, Dorothy-Grace Manarang-Pena
  • Publication number: 20010023652
    Abstract: A water based ink composition is disclosed. A precursor, which can be converted to an insoluble pigment employing at least one of a chemical means, a thermal means, a photodecomposition means, and a radiation means, is dissolved in a water based solvent in the ink.
    Type: Application
    Filed: February 16, 2001
    Publication date: September 27, 2001
    Inventors: Hidenobu Ohya, Hitoshi Morimoto
  • Patent number: 6294012
    Abstract: Disclosed is a yellow monoazo pigment which is obtained by diazotization of anthranilic acid, coupling of the diazonium compound with 1-(3′-sulfophenyl)-3-methyl-5-pyrazolone and subsequent laking of the coupling product to a strontium salt. The pigment is characterized by the formula: The new pigment has excellent heat stability and bleed fastness and very high color strength. It is suitable for pigmenting of plastics, inks and coatings, and particularly suitable for pigmenting of plastics.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: September 25, 2001
    Assignee: Engelhard Corporation
    Inventor: Amrit P. Bindra