Polycyclo Ring System Having A Hetero Atom Shared By At Least Two Rings Or At Least Two Hetero Atoms Which Are Not Members Of The Same Ring Patents (Class 534/752)
  • Patent number: 8932393
    Abstract: A coloring matter which exhibits excellent (ozone) gas resistance, high print density, low color rendering properties, low color saturation, and high-quality black hue when is recorded on a paper only for inkjet exclusive use, i.e., an azo compound represented by formula (1), a tautomer of the azo compound, or a salt of the azo compound or the tautomer; and an ink composition containing the coloring matter, particularly a black ink composition for inkjet recording applications.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: January 13, 2015
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Takashi Yoshimoto, Akira Kawaguchi, Kenji Ooshima
  • Patent number: 8834619
    Abstract: An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 16, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yoshiaki Nagata, Keiichi Tateishi, Toshiharu Tanaka
  • Publication number: 20140141373
    Abstract: A compound represented by formula (I). In the formula, R1 represents a hydrocarbon group of 1 to 10 carbon atoms; Z represents a hydrocarbon group of 1 to 10 carbon atoms or a cyano group; provided that R1 and Z may be mutually bonded to form a ring; X represents a divalent linking group having any one selected from —O—C(?O)—, —NH—C(?O)— and —NH—C(?NH)— on a terminal that comes into contact with Q; p represents an integer of 1 to 3; Q represents a hydrocarbon group having a valency of (p+1), provided that, when p is 1, Q may be a single bond; R2 represents a single bond, an alkylene group which may have a substituent or an arylene group which may have a substituent; q represents 0 or 1; r represents an integer of 0 to 8; and A+ represents a metal cation or an organic cation.
    Type: Application
    Filed: June 15, 2012
    Publication date: May 22, 2014
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yoshiyuki Utsumi, Takahiro Dazai, Jun Iwashita, Kenri Konno
  • Publication number: 20130321523
    Abstract: A coloring matter which exhibits excellent (ozone) gas resistance, high print density, low color rendering properties, low color saturation, and high-quality black hue when is recorded on a paper only for inkjet exclusive use, i.e., an azo compound represented by formula (1), a tautomer of the azo compound, or a salt of the azo compound or the tautomer; and an ink composition containing the coloring matter, particularly a black ink composition for inkjet recording applications.
    Type: Application
    Filed: December 14, 2011
    Publication date: December 5, 2013
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Takashi Yoshimoto, Akira Kawaguchi, Kenji Ooshima
  • Patent number: 8309696
    Abstract: The present invention provides an azo pigment comprising a group represented by the general formula (1) below, an electrophotographic photosensitive member comprising an intermediate layer comprising the azo pigment, and a process cartridge and an electrophotographic apparatus that comprise the electrophotographic photosensitive member.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: November 13, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Atsushi Fujii, Mai Murakami
  • Patent number: 8232376
    Abstract: An azo compound having the following formula (I): A(E)n??(I) wherein A represents a residue of an azo compound, bonded with n pieces of E group through one or more heteroatom being N or O and forming a part of the residue A; E independently represents a hydrogen atom or —C(?O)—O—R1 wherein R1 represents a substituted or an unsubstituted alkyl group having 4 to 10 carbon atoms, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkenyl group or an aralkyl group; and n represents an integer of from 1 to 10.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: July 31, 2012
    Assignee: Ricoh Company, Ltd.
    Inventor: Masafumi Ohta
  • Patent number: 8167991
    Abstract: The present invention relates to a trisazo compound represented by the following formula (1) or a salt thereof, The formula (1) wherein, the group A is a substituted phenyl group, the group B and the group C are substituted para-phenylene groups, R1 represents a C1 to C4 alkyl group which may be substituted by a carboxy group, a phenyl group which may be substituted by a sulfo group, or a carboxy group, R2 represents a cyano group, a carbamoyl group or a carboxy group, each of R3 and R4 independently represents a hydrogen atom, a methyl group, a chlorine atom or a sulfo group, respectively and a water-based black ink composition containing said compound; said compound has high solubility in a medium where the main component is water, its aqueous solution having a high concentration and ink are stable when stored for a long period of time, black-recorded images with it can be provided where both light fastness and ozone gas fastness of the printed images are excellent.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: May 1, 2012
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Takahiko Matsui, Yoshiyuki Dejima, Takashi Yoshimoto, Ryoutarou Morita, Koji Hirota
  • Publication number: 20120058476
    Abstract: The invention provides a novel method of labeling oligonucleotides, with reporter moieties, including but not limited to, quenchers, fluorophores, biotin, digoxigenin, peptides and proteins. In addition, this invention provides a method of detecting hybridization of oligonucleotides. This invention also provides novel azo quenchers having the general formula shown below. The invention further provides compositions comprising labeled oligonucleotides and solid supports. The invention also provides kits comprising at least one composition of the present invention.
    Type: Application
    Filed: May 5, 2010
    Publication date: March 8, 2012
    Inventors: Andrei Laikhter, Suresh C. Srivastava, Naveen P. Srivastava
  • Publication number: 20120040380
    Abstract: The present invention relates to compounds that are substrates for an enzyme, and upon reaction with the enzyme provide a detectable response, such as an optically detectable response. In particular, the compounds have utility in detecting the presence of a ?-lactamase in a sample. In addition to the compounds, methods are disclosed for analyzing a sample for the presence of a ?-lactmase, for example, as an indicator of expression of a nucleic acid sequence including a sequence coding for a ?-lactmase. Kits are disclosed that include the disclosed compounds and additional components, for example, cells, antibodies, a ?-lactmase or instructions for using the components in an assay.
    Type: Application
    Filed: June 22, 2011
    Publication date: February 16, 2012
    Applicant: LIFE TECHNOLOGIES CORPORATION
    Inventors: SCHUYLER BOON CORRY, WILLIAM LOUIS DOWNEY, BRIAN FILANOSKI, KYLE RICHARD GEE, I. LAWRENCE GREENFIELD, JAMES DAVID HIRSCH, IAIN JOHNSON, ALEKSEY RUKAVISHNIKOV
  • Patent number: 8080100
    Abstract: Disclosed is a dye compound for black ink which has high solubility in media composed mainly of water and which is stable even when a high-concentration aqueous solution and ink are stored over a long term. The density of printed images is very high, and even if a high-concentration solution is used for printing, no bronzing occurs in the images, and black recorded images are provided with which all aspects of printed image durability, particularly light resistance and ozone gas resistance, are excellent. Also disclosed is an ink composition thereof. Trisazo compounds represented by general formula (1) or tautomers thereof or salts thereof are used as said dye compound for black ink.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: December 20, 2011
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Takashi Yoshimoto, Yoshiaki Kawaida, Takahiko Matsui
  • Patent number: 7994156
    Abstract: This invention relates to novel carboxylic acid 4-phenylazo-phenyl ester derivatives useful as monoamine neurotransmitter re-uptake inhibitors. In other aspects the invention relates to the use of these compounds in a method for therapy and to pharmaceutical compositions comprising the compounds of the invention.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: August 9, 2011
    Assignee: Neurosearch A/S
    Inventors: Dan Peters, John Paul Redrobe, βlsebet Østergaard Nielsen
  • Patent number: 7993446
    Abstract: This invention relates to a dispersant for an organic pigment comprising a compound represented by the below-described formula (1) or (2), and also to its use. According to the present invention, it is possible to provide a dispersant or the like, which can afford a coating formulation for a color filter. The coating formulation is prevented from an increase in viscosity and a reduction in storage stability even when the concentration of a pigment is high, and can fabricate the color filter with excellent transparency and color quality.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: August 9, 2011
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Hiroaki Saikatsu, Hiromitsu Yanagimoto, Naoto Kamata, Michiei Nakamura
  • Patent number: 7985288
    Abstract: The invention provides a colorant compound represented by the general formula (I) below. In the general formula (I), R1 and R2 represent independently from each other a species selected from at least one of an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an amino group, and a hydroxyl group. R3 and R4 represent independently from each other a species selected from at least one of a hydrogen atom, an alkyl group, an aryl group, a heterocycle group, an amino group, a hydroxyl group, a cyano group, an alkoxy group, an alkylsulfanyl group, a carboxylic acid group, a carboxylic acid ester group, a carboxylic acid thioester group, a carbamoyl group, a nitro group, and a halogen atom. R3 and R4 may optionally be bonded together to form an aromatic ring. Cy represents an aryl group having at least one anionic group.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: July 26, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki
  • Publication number: 20110177315
    Abstract: A light absorption anisotropic film, having at least one dichroic dye, in which the light absorption anisotropic film shows a diffraction peak derived from a periodic structure in a direction in a plane of the light absorption anisotropic film in X-ray diffraction measurement and the diffraction peak has a half width of 1.0 ? or less.
    Type: Application
    Filed: September 3, 2009
    Publication date: July 21, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Nobutaka Iwahashi, Masashi Ogiyama, Shinichi Morishima
  • Publication number: 20110177006
    Abstract: The invention provides optical agents, including compositions, preparations and formulations, and methods of using and making optical agents. Optical agents of the present invention include dyes, and derivatives thereof, having a fused ring backbone structure having dithienofuran core. In some embodiments, dyes of the present invention are dithienofuran dyes having a dithienofuran core optionally functionalized to provide useful optical, biological, pharmacokinetic and/or physical properties.
    Type: Application
    Filed: September 29, 2009
    Publication date: July 21, 2011
    Inventors: Raghavan Rajagopalan, William L. Neumann, Amruta Poreddy, John N. Freskos, Richard B. Dorshow
  • Publication number: 20110177007
    Abstract: The invention provides optical agents, including compositions, preparations and formulations, and methods of using and making optical agents. Optical agents of the present invention include dyes, and derivatives thereof, having a fused ring backbone structure having dithienopyrrole core. In some embodiments, dyes of the present invention are dithienopyrrole dyes having a dithienopyrrole core optionally functionalized to provide useful optical, biological, pharmacokinetic and/or physical properties.
    Type: Application
    Filed: September 29, 2009
    Publication date: July 21, 2011
    Inventors: Raghavan Rajagopalan, William L. Neumann, Amruta Poreddy, John N. Freskos, Richard B. Dorshow
  • Patent number: 7981205
    Abstract: A dye compound has the following general formula (1). In the general formula (1), A1 denotes N or CR2. When A1 denotes N, R1 denotes an amino group. When A1 denotes CR2, R1 and R2 form an aromatic ring that has an anionic group. R3 denotes an alkyl group, an aryl group, or an aralkyl group. Cy denotes a substituted or unsubstituted aromatic ring.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: July 19, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Waka Hasegawa, Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki
  • Patent number: 7981207
    Abstract: A dye compound represented by the following formula has at least one anionic group: wherein R1 and R2 independently represent an amino or hydroxyl group, A1 represents nitrogen or CR4, R4 and R3 form a first aromatic ring, R3 represents a substituent with a negative Hammett's substituent constant when A1 represents nitrogen, and Cy represents a second aromatic ring.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: July 19, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Waka Hasegawa, Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki
  • Publication number: 20110130552
    Abstract: An azo dye represented by the following formula (I): wherein, in formula (I), R1, R2, R3, and R4 each independently represent a hydrogen atom, an aliphatic group, an aryl group, a halogen atom, an acyl group, a cyano group, an acylamino group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, an arylsulfonyl group, a sulfamoyl group, an aliphatic oxycarbonylamino group, an aryloxycarbonylamino group, a sulfo group, a carboxyl group, a carbamoylamino group, a sulfamoylamino group, or an aliphatic- or aromatic-sulfonylamino group, wherein R1 and R2 and/or R3 and R4 may be combined with each other to form a five- or six-membered aromatic ring or non-aromatic ring; X represents a carbon atom or a nitrogen atom, wherein n is 0 when X is a nitrogen atom and n is 1 when X is a carbon atom; A, B, C, and D each represent a carbon atom or a nitrogen atom, provided that at least one of A, B, C and D represents a nitrogen atom; Y represents a substituent; and
    Type: Application
    Filed: February 7, 2011
    Publication date: June 2, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Yasuhiro ISHIWATA
  • Publication number: 20110124849
    Abstract: An azo dye represented by the following formula (I): wherein, in formula (I), R1, R2, R3, and R4 each independently represent a hydrogen atom, an aliphatic group, an aryl group, a halogen atom, an acyl group, a cyano group, an acylamino group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, an arylsulfonyl group, a sulfamoyl group, an aliphatic oxycarbonylamino group, an aryloxycarbonylamino group, a sulfo group, a carboxyl group, a carbamoylamino group, a sulfamoylamino group, or an aliphatic- or aromatic-sulfonylamino group, wherein R1 and R2 and/or R3 and R4 may be combined with each other to form a five- or six-membered aromatic ring or non-aromatic ring; X represents a carbon atom or a nitrogen atom, wherein n is 0 when X is a nitrogen atom and n is 1 when X is a carbon atom; A, B, C, and D each represent a carbon atom or a nitrogen atom, provided that at least one of A, B, C and D represents a nitrogen atom; Y represents a substituent; and
    Type: Application
    Filed: February 7, 2011
    Publication date: May 26, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Yasuhiro ISHIWATA
  • Patent number: 7901498
    Abstract: The present invention relates to a trisazo compound represented by the following formula (1): wherein, n represents 0 or 1, the group A represents a substituted heterocyclic group, R1 represents a C1-C4 alkyl group which may be substituted or the like, R2 represents a cyano group or the like, R3 and R4 each independently represent a hydrogen atom, a sulfo group or the like, R5 to R7 each independently represent a hydrogen atom, a C1-C4 alkyl group which may be substituted, a C1-C4 alkoxy group which may be substituted or the like, respectively or salt thereof.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: March 8, 2011
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Koji Hirota, Takahiko Matsui, Takashi Yoshimoto, Shinsuke Shimizu
  • Publication number: 20110050787
    Abstract: Disclosed is a dye compound for black ink which has high solubility in media composed mainly of water and which is stable even when a high-concentration aqueous solution and ink are stored over a long term. The density of printed images is very high, and even if a high-concentration solution is used for printing, no bronzing occurs in the images, and black recorded images are provided with which all aspects of printed image durability, particularly light resistance and ozone gas resistance, are excellent. Also disclosed is an ink composition thereof. Trisazo compounds represented by general formula (1) or tautomers thereof or salts thereof are used as said dye compound for black ink.
    Type: Application
    Filed: April 28, 2009
    Publication date: March 3, 2011
    Inventors: Takashi Yoshimoto, Yoshiaki Kawaida, Takahiko Matsui
  • Patent number: 7879986
    Abstract: The specification discloses quenchers of excited state energy, probes and other conjugates comprising the same, and methods for their use. The quenchers of excited state energy have a structure comprising at least one reactive functional group for linking the quencher to a carrier molecule and at least three radicals covalently linked via exocyclic diazo bonds, the at least three radicals including at least one comprising a julolidine of the nominal formula: and the remainder of the at least three radicals being selected from the group of substituted and unsubstituted aryls, substituted and unsubstituted heteroaryls, and combinations thereof.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: February 1, 2011
    Assignee: Berry & Associates, Inc.
    Inventors: David A. Berry, William H. Pearson
  • Publication number: 20110018946
    Abstract: An azo pigment represented by the general formula (1), a tautomer, salt, or hydrate thereof: wherein R1, R2, R3, Y, Z, and G each independently represents a hydrogen atom or a substituent, n represents an integer of from 2 to 4 and, when n=2, the general formula (1) represents a dimer formed through R1, R2, R3, Y, Z, or G and, when n=3, the general formula (1) represents a trimer formed through R1, R2, R3, Y, Z, or G and, when n=4, the general formula (1) represents a tetramer formed through R1, R2, R3, Y, Z, or G.
    Type: Application
    Filed: March 5, 2009
    Publication date: January 27, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Shinya Hayashi, Keiichi Tateishi, Naoyuki Hanaki
  • Publication number: 20110001777
    Abstract: To provide an azo pigment excellent in coloristic characteristics such as tinctorial strength and hue and at the same time, excellent in the durability such as light fastness and ozone resistance, a pigment dispersion containing the azo pigment, a coloring composition, and an ink for inkjet recording. An azo pigment represented by the following formula (1), its tautomer, or a salt or hydrate thereof: (wherein R1, R2, R3, Y, Z and G each independently represents a hydrogen atom or a substituent; n represents and integer of 2 to 4; and the formula represents a dimer through R1, R2, R3, Y, Z or G when n is 2, represents a trimer through R1, R2, R3, Y, Z or G when n is 3, and represents a tetramer through R1, R2, R3, Y, Z or G when n is 4).
    Type: Application
    Filed: March 5, 2009
    Publication date: January 6, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Shinya Hayashi, Keiichi Tateishi, Naoyuki Hanaki
  • Publication number: 20100315733
    Abstract: This invention relates to a dispersant for an organic pigment comprising a compound represented by the below-described formula (1) or (2), and also to its use. According to the present invention, it is possible to provide a dispersant or the like, which can afford a coating formulation for a color filter. The coating formulation is prevented from an increase in viscosity and a reduction in storage stability even when the concentration of a pigment is high, and can fabricate the color filter with excellent transparency and color quality.
    Type: Application
    Filed: January 30, 2008
    Publication date: December 16, 2010
    Applicant: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
    Inventors: Hiroaki Saikatsu, Hiromitsu Yanagimoto, Naoto Kamata, Michiei Nakamura
  • Publication number: 20100269269
    Abstract: The subject of the present invention is azo derivatives containing a pyrazolinone unit having the following formula (I), their mesomeric forms, their addition salts with an acid and their solvates and their use for dyeing keratin fibers. The subject of the invention is also a composition for dying keratin fibers comprising at least one azo derivative containing a pyrazolinone unit of formula (I) as direct dye, and the method for dyeing keratin fibers using this composition. The present invention makes it possible in particular to obtain chromatic colours that are resistant to the various attacks to which the hair may be subjected, in particular to shampoos and to light.
    Type: Application
    Filed: June 19, 2008
    Publication date: October 28, 2010
    Inventors: Aziz Fadli, Eric Metais
  • Publication number: 20100203647
    Abstract: Methods and kits for detecting acylated proteins produced by cells that have been cultured or by cells within an organism are provided. Also provided are methods and kits for detecting acylated proteins produced by cells where affinity purification tags are that facilitate detection are used. Compounds useful for the detection of acylated proteins are also provided.
    Type: Application
    Filed: November 20, 2009
    Publication date: August 12, 2010
    Applicant: THE ROCKEFELLER UNIVERSITY
    Inventors: HOWARD C. HANG, GUILLAUME CHARRON, JOHN P. WILSON, ANURADHA RAGHAVAN, MINGZI ZHANG, YU-YING YANG, KAVITA RANGAN, LUN K. TSOU, JACOB YOUNT
  • Publication number: 20090293765
    Abstract: A dye compound represented by the following formula has at least one anionic group: wherein R1 and R2 independently represent an amino or hydroxyl group, A1 represents nitrogen or CR4, R4 and R3 form a first aromatic ring, R3 represents a substituent with a negative Hammett's substituent constant when A1 represents nitrogen, and Cy represents a second aromatic ring.
    Type: Application
    Filed: May 27, 2009
    Publication date: December 3, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Waka Hasegawa, Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki
  • Patent number: 7582149
    Abstract: The invention relates to monoazo colorants derived from pyrazolobenzodiazinedioxides of Formula 1: wherein R1 and R2 are hydrogen or any non-metallic group, n is 0-4, R3 is hydrogen, acyl, aryl, alkenyl, alkynyl or alkyl, A represents an aromatic heterocyclic ring or an aromatic group of Formula 2: wherein R6 and R8 are hydrogen, alkyl, sulfonic acid, or 1-4 carbon alkoxy, R7 is any non-metallic group, m is 0-3, and R6 and R7, R7 and R8, or, when m>1, two R7 groups can be joined to form a fused carbocyclic or heterocyclic aromatic or non-aromatic ring. The invention also relates to an aqueous ink that comprises at least one colorant of Formula 1: wherein A represents an aromatic or heteroaromatic ring, and A can be bonded to other rings that can be aromatic, aliphatic or heterocyclic, and an ink printing method using the colorant-containing ink.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: September 1, 2009
    Assignee: Eastman Kodak Company
    Inventors: Steven G. Link, Joan C. Potenza, Ann L. Carroll-Lee
  • Publication number: 20090005546
    Abstract: An azo compound having the following formula (I): A(E)n ??(I) wherein A represents a residue of an azo compound, bonded with n pieces of E group through one or more heteroatom being N or O and forming a part of the residue A; E independently represents a hydrogen atom or —C(?O)—O—R1 wherein R1 represents a substituted or an unsubstituted alkyl group having 4 to 10 carbon atoms, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkenyl group or an aralkyl group; and n represents an integer of from 1 to 10.
    Type: Application
    Filed: June 26, 2008
    Publication date: January 1, 2009
    Applicant: RICOH COMPANY, LTD.
    Inventor: Masafumi Ohta
  • Patent number: 7411053
    Abstract: Described herein are ligand-functionalized/azo compounds and methods of use thereof.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: August 12, 2008
    Inventors: Issifu I. Harruna, Guangchang Zhou
  • Publication number: 20080081285
    Abstract: An optical information recording medium having a WORM-type recording layer on which information can be recorded by irradiation with a laser light having a wavelength of 440 nm or less, wherein the WORM-type recording layer contains at least one azo-metal complex dye derived from a metal ion (or a metal oxide ion) and an azo dye represented by the following structural formula (I-1) or (I-2). In the structural formulae (I-1) and (I-2), Q represents a carbocyclic group or a heterocyclic group, Q2 and Q3 each represent an atomic group forming a nitrogen-containing heterocycle, and R2 represents a substituent.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 3, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Kousuke WATANABE, Kazutoshi KATAYAMA, Taro HASHIZUME
  • Patent number: 7301012
    Abstract: An azo dye comprising a coupler having a specific structure as a coupling component, an image-forming coloring composition comprising the azo dye, an ink for ink jet recording and an ink jet recording method using the image-forming coloring composition and a heat-sensitive recording material, a color toner and a color filter formed by the image-forming coloring composition.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: November 27, 2007
    Assignee: Fujifilm Corporation
    Inventor: Toshiki Fujiwara
  • Patent number: 7217803
    Abstract: The present invention relates to azo dyes of formula (1) which are soluble in organic solvents, wherein R1 is —CN, —COOR5, —CONR6R7 or a heterocyclic ring, R2 is unsubstituted or substituted alkyl, unsubstituted or substituted aryl, —CF3, —COOR5, —CONR6R7 or —COR5, R3 is hydrogen, —SO3M, alkyl, alkoxy, alkylcarbonyl, —NO2 or halogen, R4 is substituted aryl, substituted heteroaryl or an aryl-N?N-aryl radical, wherein one or both of the aryl radicals in aryl-N?N-aryl is/are unsubstituted or substituted, or a radical heteroaryl-N?N-heteroaryl, wherein one or both of the heteroaryl radicals in heteroaryl-N?N-heteroaryl is/are unsubstituted or substituted, R5 is hydrogen, alkyl or unsubstituted or substituted aryl, R6 is hydrogen, alkyl or unsubstituted or substituted aryl, R7 is hydrogen, alkyl or unsubstituted or substituted aryl, M+ is a cation, n is a number 1, 2 or 3 and m is a number 1, 2 or 3, to a process for the preparation thereof and to the use thereof in the production of colored plastics or polymeric
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: May 15, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Leonhard Feiler, Thomas Raimann, Thomas Eichenberger, Max Hügin
  • Patent number: 7056375
    Abstract: This invention relates to an ink composition comprising a dye represented by Formula I: wherein R1 is independently a non-metallic substituent; s is 0, 1, 2, 3, or 4; R2 is hydrogen or a non-metallic substituent; R3 is a substituted or unsubstituted aromatic or heterocyclic group with the proviso that if R3 is a quinoline moiety, the azo group is not bonded to the 5, 6, 7 or 8 position of the quinoline ring; wherein the dye must bear at least one ionizable group that is capable of imparting water solubility to the dye. It also relates to dyes which comprise a specific subset of the above dyes.
    Type: Grant
    Filed: September 7, 2004
    Date of Patent: June 6, 2006
    Assignee: Eastman Kodak Company
    Inventors: Joan C. Potenza, Marcel B. Madaras, Hans F. Schmitthenner, David T. Southby
  • Patent number: 6903198
    Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: June 7, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hisashi Mikoshiba, Tadashi Omatsu, Makoto Suzuki, Koushin Matsuoka, Masuji Motoki
  • Patent number: 6855195
    Abstract: An ink composition comprising at least one of water-soluble dyes represented by the following formulae (1) to (3) and a surfactant:
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: February 15, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuhiro Nishita, Junichi Yamanouchi, Toshiki Fujiwara
  • Publication number: 20040122218
    Abstract: Novel pyrrolopyridine compounds of formula (I), 1
    Type: Application
    Filed: December 20, 2002
    Publication date: June 24, 2004
    Inventors: Sean Turner, Tammie White, William A. Carroll
  • Publication number: 20040034204
    Abstract: Monoazoquilolone pigments which, in one of the tautomeric forms thereof, correspond to formula (1), wherein Ar is a radical of formula (2a), (2b), (2c), (2d), 2(e) or (2f) wherein R1 is C1-C4alkyl, R2 and R3 are each independently of other hydrogen, halogen.
    Type: Application
    Filed: September 2, 2003
    Publication date: February 19, 2004
    Inventors: Johannes Benkhoff, Olof Wallquist, Tetsuo Hyuga, Gerardus De Keyzer
  • Patent number: 6582502
    Abstract: A dye which is represented by any of the following general formula (1), (2), (3) or (4), an ink for inkjet recording which contains at least one of the dyes, and an ink jet recording method which uses the ink. The dye has heterocyclic group which may be substituted and has at least one ionic aqueous group in a molecule.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: June 24, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Toshiki Fujiwara
  • Publication number: 20030089274
    Abstract: An ink composition comprising at least one of water-soluble dyes represented by the following formulae (1) to (3) and a surfactant: 1
    Type: Application
    Filed: July 23, 2002
    Publication date: May 15, 2003
    Inventors: Nobuhiro Nishita, Junichi Yamanouchi, Toshiki Fujiwara
  • Patent number: 6458194
    Abstract: A dye compound excellent in transfer property and color fastness against light, a yellow dye excellent in light absorption property, a yellow dye compound for thermal transfer dye donating material excellent in solubility and a dye compound which can be synthesized with ease from readily-available source materials are provided. A dye compound of the present invention is expressed by the general formula (1): or a salt thereof, wherein R1, R2, R3 and R4 independently represent a hydrogen atom or a substituent.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: October 1, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hisashi Mikoshiba, Takayoshi Kamio
  • Patent number: 6444020
    Abstract: Disclosed are an azo dye having the following formula (1), an ink-jet ink comprising the aforesaid azo dye, an ink-jet recording method using the aforesaid ink-jet ink, and a thermal transfer recording material comprising the aforesaid azo dye: wherein Z represents an atomic group which forms, together with a nitrogen atom, a five-, six- or seven-membered ring, R1 represents a hydrogen atom, an oxy radical, an aliphatic group, an aliphatic oxy group, an acyl group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group or an acyloxy group, R2, R3, R4 and R5, which may be the same or different, each represents an alkyl group, or R2 and R3 and/or R4 and R5 may be combined with each other to form a ring, and Dye represents a dye moiety group necessary for forming an azo dye.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: September 3, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Takayoshi Kamio
  • Patent number: 6316605
    Abstract: A hydrazone dye is provided which forms cyan color having an excellent hue. The hydrazone dye is expressed by the following general formula (I): wherein Ar represents an aryl group or a heterocyclic group; R1 through R4 each represent a hydrogen atom, a halogen, —CN, —NH2, —NO2, —OH, —CO2H, —SO3H, a quaternary ammonium group, —CO2M1/n, —SO3M1/n, an alkyl group, alkenyl group, alkynyl group, aryl group, acyl group, carbamoyl group, sulfamoyl group, alkoxycarbonyl group, aryloxycarbonyl group, acyloxy group, alkoxy group, aryloxy group, alkylthio group, arylthio group, alkylsulfonyl group, arylsulfonyl group, alkylphosphoryl group, arylphosphoryl group, or a substituted amino group; M represents a metal atom; and n represents an integer from 1 to 4.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: November 13, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Naoto Yanagihara, Tatsuo Kawabuchi, Tetsunori Matsushita, Kimiatsu Nomura, Yohsuke Takeuchi, Hisao Yamada
  • Patent number: 6087070
    Abstract: The invention relates to organic compounds having a molecular weight of less than 1000 comprising at least one structural unit of the formula (I) ##STR1## in which R.sub.1 is an aromatic or heteroaromatic radical which is capable of absorbing light in the wavelength range from 200 to 650 nm and in doing so brings about cleavage of the adjacent carbon-nitrogen bond.The compounds represent photoinitiators for base-catalyzable reactions. Other subjects of the invention are base-polymerizable or crosslinkable compositions comprising compounds having a structural unit of the formula I, a method of implementing photochemically induced, base-catalyzed reactions, and the use of the compounds as photoinitiators for base-catalyzed reactions.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: July 11, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Sean Colm Turner, Gisele Baudin
  • Patent number: 5964899
    Abstract: Azo dyes containing sulphur dye entities as a constitutional component are dyes of valuable properties, in particular for the dyeing of leather.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: October 12, 1999
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Jordi Berenguer, Manuel Jose Domingo, Jose Rocas
  • Patent number: 5789560
    Abstract: Azo dyes of the formula ##STR1## where D is the radical of a diazo component of the aniline series or the series of the aromatic heterocyclic amines,R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.10 -alkyl, which may be substituted, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl, substituted or unsubstituted phenyl, or are together with the nitrogen atom joining them together a heterocyclic radical, andR.sup.3 is tert-butyl or tert-pentyl,are useful for thermal transfer and for dyeing or printing synthetic materials.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: August 4, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Etzbach, Rudiger Sens
  • Patent number: 5708188
    Abstract: The invention relates to mixed crystals of 1,4-diketopyrrolo?3,4-c!pyrroles, consisting of 1 mol each of two different compounds of formulae ##STR1## as well as single-phase solid solutions of two different compounds of formulae I and II, wherein the diketopyrrolopyrrole having the smaller geometrical constitution is present in an amount of 53 to 70 mol %. A and B are as defined in claim 1. The novel mixed crystals as well as the novel solid solutions are admirably suited for pigmenting organic material of high molecular weight.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: January 13, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Zhimin Hao, Abul Iqbal, Bernhard Medinger, Olof Wallquist
  • Patent number: 5696243
    Abstract: Diphenylamines of the formula ##STR1## where the ring A can be benzo-fused, andD is aryl or a five-membered aromatic heterocyclyl which contains one to three hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur, in the heterocyclic ring and can be fused to a benzene, thiophene, pyridine or pyrimidine ring,X is N.dbd.N or, if D is aryl, is alternatively CH.dbd.CH, or D--X together is 1,2,2-tricyanovinyl,R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy or halogen,R.sup.5 is prop-1-en-3-yl, acryloyl or methacryloyl,R.sup.6 and R.sup.7 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, prop-1-en-3-yl, acryloyl, methacryloyl or oxiranylmethoxy, andY is C.sub.1 -C.sub.20 -alkylene,polymers derived from the compounds, and their use in non-linear optics.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: December 9, 1997
    Assignee: GASF Aktiengesellschaft
    Inventors: Stefan Beckmann, Karl-Heinz Etzbach, Ruediger Sens