Organic Nitrogen Compound Containing Patents (Class 106/31.43)
  • Patent number: 9017467
    Abstract: A solvent-based inkjet ink includes a soluble dye and approximately 0.1 to 1 wt % weight of the ink of a perfluoro-polyether.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: April 28, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan Khavari
  • Patent number: 9017921
    Abstract: A photoresist composition includes a binder resin combined with a black dye, a monomer, a photo-polymerization initiator and a remainder of a solvent.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Hye Ryu, Yi-Seop Shim, Chang-soon Jang, Chul Huh
  • Patent number: 9011588
    Abstract: To provide an inkjet treatment liquid, containing: a water-soluble coagulant; a water-soluble organic solvent; water; and an amide compound represented by the following general formula: where R is a C1-C6 alkyl group.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: April 21, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidetoshi Fujii, Hiroshi Goto
  • Patent number: 8961674
    Abstract: An inkjet ink is provided. The inkjet ink includes water; a water-soluble organic material in an amount of from 40 to 50% by weight based on the total weight of the inkjet ink; and a colorant. The water-soluble organic material includes at least one of 1,3-dimethyl-2-imidazolidinone, ?-methoxy-N,N-dimethylpropionamide, and 2-pyrrolidone in an amount of from 5 to 35% by weight based on the total weight of the inkjet ink, and further includes a compound having the following formula (1) in an amount of from 10 to 40% by weight based on the total weight of the inkjet ink.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: February 24, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidetoshi Fujii, Hiroshi Gotou
  • Patent number: 8932394
    Abstract: The present invention provides an ink jet ink that is capable of recording an image excellent in light resistance and ozone resistance and has excellent intermittent ejection stability. The ink jet ink contains a coloring material and a water-soluble organic solvent. The coloring material contains a compound represented by the following general formula (I), the water-soluble organic solvent contains ethylene urea end an alkanediol having 4 to 6 carbon atoms, and a content A (% by mass) of the coloring material, a content B (% by mass) of the ethylene urea and a content C (% by mass) of the alkanediol having 4 to 6 carbon atoms based on a total mass of the ink satisfy relationships of 0.20?B/A?10.0 and 0.10?C/A?10.0.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: January 13, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Kudo, Junichi Sakai, Masashi Ogasawara, Tetsu Iwata, Masashi Tsujimura, Takashi Saito, Masayuki Ikegami
  • Patent number: 8920552
    Abstract: A thermal ink jet ink composition include a volatile organic solvent, a binder resin, a dye, a humectant in an amount less than 40% by weight of the thermal ink jet ink composition, and an additive for extending the decap time. The additive is present in an amount greater than 0.1% by weight of the thermal ink jet ink composition. The additive is selected from plasticizers, surfactants, aliphatic hydrocarbons, drying oils and mixtures thereof. The additive does not phase separate from the ink jet composition during application of the ink to a substrate in thermal ink jet printing.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 30, 2014
    Assignee: Videojet Technologies Inc.
    Inventors: Casey Robertson, Daniel William Laird, Christopher Cocklan, Fengfei Xiao, Sumana Sharmin, Edward Westfall, Anthony Selmeczy
  • Publication number: 20140368573
    Abstract: There is provided a coloring composition including the compound represented by Formula (1) described in the specification and the compound selected from (A) to (C) described in the specification.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 18, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoshihiko FUJIE, Keiichi TATEISHI, Clive Edwin FOSTER
  • Patent number: 8883275
    Abstract: A inkjet recording medium and ink set including ink containing water, a hydrosoluble organic solvent comprising an amide compound represented by the following Chemical Structure 1, a surface active agent; and a coloring agent, and a recording medium containing a substrate; and a coated layer on at least one side of the substrate, wherein the transfer amount of pure water to the recording medium having the coated layer is 2 ml/m2 to 35 ml/m2 during a contact time of 100 ms and 3 ml/m2 to 40 ml/m2 during a contact time of 400 ms when measured by a liquid dynamic absorption tester at 23° C.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: November 11, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Hidefumi Nagashima, Hiroshi Gotou
  • Patent number: 8858696
    Abstract: The nonaqueous ink composition for ink jet recording according to the invention includes a compound represented by the General Formula (1) below; and a compound represented by the General Formula (2A) or the General Formula (2B) below. In the General Formula (1), R1 represents an alkyl group having 1 to 4 carbon atoms, and R2 and R3 represent a methyl group or an ethyl group; in the General Formula (2A), R4A represents an alkyl group having 5 to 9 carbon atoms, and R5A represents a methyl group or an ethyl group; in the General Formula (2B), R4B represents an alkylene group having 2 to 5 carbon atoms, and R5B and R6B each independently represent alkyl groups having 1 to 4 carbon atoms.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: October 14, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Akihito Sao, Maki Nariai, Makoto Nagase, Keiji Iida, Tomoki Shinoda, Kenichiro Kubota
  • Publication number: 20140299015
    Abstract: Provided are a colorant represented by the following Formula (I) which is excellent in a color intensity and a lightfastness, a microcapsule pigment prepared by using the above colorant, and an ink composition for writing instruments: [in Formula (I) described above, X and Y represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms or a halogen atom; and X and Y may be identical or different from each other, provided that a case in which both of X and Y are a hydrogen atom is excluded]. The above microcapsule pigment is characterized by comprising at least the colorant comprising the leuco dye represented by Formula (I) described above, a developer and a chromic temperature controller, and the ink composition for writing instruments is characterized by comprising the above microcapsule pigment.
    Type: Application
    Filed: October 5, 2012
    Publication date: October 9, 2014
    Applicant: MITSUBISHI PENCIL COMPANY, LIMITED
    Inventor: Shuji Ichikawa
  • Patent number: 8845800
    Abstract: An image forming method applying a pretreatment liquid on the surface of a recording medium; and applying an inkjet ink including a colorant, a hydrosoluble organic solvent, a surfactant and water on the surface applied with the pretreatment liquid, wherein the hydrosoluble organic solvent includes at least one polyol including an equilibrium water content in an amount not less than 30% by weight at 23° C. and 80% RH; an amide compound having the following formula (I); and at least one of compounds having the following formulae (II) to (IV), and wherein a pure water transfers to the recording medium in an amount of from 1 to 15 mL/m2 when measured by a dynamic scanning liquid absorptometer at a contact time of 100 ms.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: September 30, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Gotou, Hidetoshi Fujii, Yuuki Yokohama
  • Publication number: 20140285567
    Abstract: There are provided a new compound which has the following general formula (1) and which is useful as a coloring material, an ink containing the compound, an ink cartridge containing the ink and an ink jet recording method including ejecting the ink from a recording head of an ink jet system to record an image on a recording medium,
    Type: Application
    Filed: March 19, 2014
    Publication date: September 25, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masahiro Suenaga, Kaoru Takahashi, Yasuaki Murai, Takeshi Miyazaki, Yutaka Tani, Masashi Hirose, Ryosuke Nagao, Yoshio Kinoshita, Yoshihide Aikawa
  • Patent number: 8840715
    Abstract: A treatment solution for ink-jet recording includes water; and a compound represented by the following general formula (1) or a salt thereof, wherein in the general formula (1), m is an integer from 2 to 6, n is an integer from 20 to 40.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: September 23, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Ayako Ohishi, Masahiro Nishizaki, Mitsunori Maeda
  • Patent number: 8815001
    Abstract: The invention relates to a compound for manufacturing watermark in a textile sheet material and the corresponding composition, material, method and use. The compound for manufacturing a watermark in a textile sheet material of formula wherein X is hexamethylene, trimethylhexamethylene, isophorone, dicyclohexylmethyl, tetramethylxylylene, tetramethylenexylene, xylylene, trimethylhexamethylene, hydrogenated 4,4?-diphenylmethylene, 1,12-dodecylene, 1,5-2-methylpentylene; 1,4-butylene; 1,4-cyclohexylene, or a compound of formula R1 is a linear aliphatic C1-C12 alkyl radical or a branched aliphatic C3-C18 alkyl radical R2 is a radical of formula wherein R4 is methoxy or ethoxy R5 and R6 are H, methoxy, ethoxy, methyl or ethyl R7 is cyclohexyl, phenyl or aliphatic C3-C6 alkyl R3 is a linear aliphatic C1-C12 alkyl radical or a branched aliphatic C3-C18 alkyl radical n is 0 or 1.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: August 26, 2014
    Inventor: Joseph Rocas Sorolla
  • Patent number: 8778071
    Abstract: An inkjet ink set including at least a black ink, a cyan ink, a magenta ink, and a yellow ink. Each of the inks includes at least a water-soluble dye, water and a water-soluble solvent including a specific alkoxypropionamide compound. The cyan, magenta and yellow inks has a S/W ratio of not less than 1.5 and not greater than 3.5, wherein S represents the content of the water-soluble solvent in each ink, and W represents the content of water in each ink, and the black ink has a S/W ratio of not less than 1.0 and less than 1.5, wherein S represents the content of the water-soluble solvent in the black ink, and W represents the content of water in the black ink.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: July 15, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Akihiko Matsuyama, Hiroshi Gotou
  • Patent number: 8703841
    Abstract: The invention provides an ink composition comprising a colorant, water and wax particles, the wax particles comprising at least two kinds of wax; an ink set including the ink composition; and a method of forming an image using the ink composition.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: April 22, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Terukazu Yanagi
  • Publication number: 20130327247
    Abstract: A solvent-based inkjet ink includes a soluble dye and approximately 0.1 to 1 wt % weight of the ink of a perfluoro-polyether.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 12, 2013
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan Khavari
  • 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
  • Publication number: 20130319287
    Abstract: There is provided a coloring composition containing: a compound represented by Formula (1) or Formula (4); and a copper compound that is soluble in water: wherein, in Formula (1), D represents a residue structure in which four hydrogen atoms are removed from the compound represented by Formula (2), M represents a hydrogen atom or a counteraction, and a plurality of M may be the same or different: wherein in Formula (4), L represents a di- to tetravalent linking group, D? represents a residue structure in which any one of one to five hydrogen atom(s) is removed from the compound represented by Formula (5), m represents an integer of 1 to 10, provided that a plurality of L may be the same or different, and a plurality of D? may be the same or different.
    Type: Application
    Filed: May 31, 2013
    Publication date: December 5, 2013
    Inventors: Yoshihiko FUJIE, Keiichi TATEISHI, Clive Edwin FOSTER
  • Publication number: 20130321521
    Abstract: There is provided a coloring composition containing a compound represented by Formula (1): wherein D represents a residue structure in which four hydrogen atoms are removed from the compound represented by Formula (2), R1 and R2 represent R1?R2?H or R1?R and R2=-L-CO2M, R represents a hydrogen atom or a monovalent substituent, and when a plurality of R is present, R's may be the same or different, L represents a divalent linking group, and when a plurality of L is present, L's may be the same or different, M represents a hydrogen atom or a counteraction, and when a plurality of M is present, M's may be the same or different, and n represents the number of 1 to 4, and m represents the number of 0 to 3, provided that m+n is 4.
    Type: Application
    Filed: May 21, 2013
    Publication date: December 5, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiko FUJIE, Keiichi TATEISHI, Clive Edwin FOSTER
  • Patent number: 8475578
    Abstract: The present invention is directed to magenta inks and ink sets for ink-jet printing. The inks and ink sets provide exceptional ozone fastness, particularly when printed on porous media or plain paper. The inks of the ink sets are formulated to be compatible with each other and are capable of producing high quality printed images.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: July 2, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Tye J. Dodge, Murray Macleod, Marlene Ann McGorrin, Larrie Deardurff, Linda C. Uhlir-Tsang
  • Publication number: 20130139722
    Abstract: Specifically provided is a single pass-curable ink having high color reproducibility and high curing properties at the same time and having high dischargeability when used in printing at high frequency and high jetting speed, as compared with conventional ones. An active energy ray-curable inkjet ink composition contains a metal lake pigment of a rhodamine dye as a pigment, and the active energy ray-curable inkjet ink composition may contain 0.5 to 10% by weight of Pigment Violet 1, Pigment Violet 1:1, Pigment Violet 2, Pigment Violet 2:2, Pigment Red 81, Pigment Red 81:1, Pigment Red 81:2, Pigment Red 81:3, Pigment Red 81:4, Pigment Red 81:5, Pigment Red 169, or Pigment Red 173 as the metal lake pigment of the rhodamine dye based on the total weight of the ink.
    Type: Application
    Filed: October 23, 2012
    Publication date: June 6, 2013
    Applicants: TOYO INK CO., LTD., TOYO INK SC HOLDINGS CO., LTD.
    Inventors: TOYO INK SC HOLDINGS CO., LTD., TOYO INK CO., LTD.
  • Patent number: 8425675
    Abstract: A recrystallization type of ink composition comprises a solvent, a crystalline material, and a colorant. When the recrystallization type of ink composition is applied to a non-absorption surface such as a whiteboard, a glass surface, and a plastic surface, it is recrystallized to provide a visual effect of a metal sense at the applied part.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: April 23, 2013
    Assignee: Dong-A Teaching Materials Co., Ltd.
    Inventors: Chung Kyung Kim, Han-Shin Jung
  • Patent number: 8378006
    Abstract: The present invention is a method which erase information printed on a recording medium if necessary and thus reuse the recording medium, and includes 1) decolorable ink compositions which are not erased during the use but erased by a dye readily decolorable by a decolorant, 2) a decolorant composition including a thermal initiator or photoinitiator, and 3) a method for coating the decolorant and applying heat or irradiating UV to erase the dye. According to the present invention, it is possible to prepare various writing inks, and particularly, when applied to recording medium with a magnetic stripe as well as the general purpose papers, it is possible to reduce the production cost significantly, obtain a large import substitution effect of the magnetic ink all of which are imported, and largely reduce the environmental pollution.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: February 19, 2013
    Inventors: Jong-Soo Han, Woon Chang Paik, Hyun-Man Shin, Yeong-Gweon Lim, Yong-Hwan Choi
  • Patent number: 8357210
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: January 22, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rainer Nusser, Urs Daetwyler
  • Patent number: 8343269
    Abstract: The present invention is a colorant compound represented by the following general formula (1): wherein at least one of R2, R4, R7 and R9 is an acylamino group represented by the following general formula (2): wherein R11 denotes one of an alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group, an alkenyl group and a heterocyclic group; and ‘*’ denotes a bonding site with an aromatic ring of the general formula (1).
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: January 1, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kaoru Takahashi, Yasuaki Murai, Kei Inoue, Masashi Hirose, Takeshi Miyazaki, Ryosuke Nagao, Otome Mori, Minako Kawabe
  • Publication number: 20120328854
    Abstract: An inkjet recording ink set including a black ink and color inks, wherein the black ink and the color inks each contain at least a dye, a water-soluble solvent and water and each have a viscosity of 5 mPa-s to 20 mPa-s at 25° C., and wherein the respective color inks each satisfy a mass ratio relationship of S/W?1, and the black ink satisfies a mass ratio relationship of S/W<1, where S denotes an amount of the water-soluble solvent contained in the respective inks, and W denotes an amount of the water contained in the respective inks.
    Type: Application
    Filed: February 23, 2011
    Publication date: December 27, 2012
    Inventors: Akihiko Matsuyama, Kiyofumi Nagai
  • Patent number: 8337607
    Abstract: The present invention provides an ink-media set, record printed by use of the ink-media set, an inkjet printing method, and an inkjet printing apparatus which includes ink that has at least water, dye, and humectant and surface tension thereof is 20 to 35 mN/m at 25° C., a support, and a recording medium having the support and at least one surface thereof has a coating layer wherein transfer rate of the ink to the recording medium measured by a dynamic scanning absorptometer in 100 ms of contact time is 4 to 15 ml/m2 and transfer rate of the ink to the recording medium measured by a dynamic scanning absorptometer in 400 ms of contact time is 7 to 20 ml/m2.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: December 25, 2012
    Assignee: Ricoh Company, Ltd.
    Inventors: Naoya Morohoshi, Tohru Ohshima, Kiyofumi Nagai
  • Patent number: 8328925
    Abstract: The present invention concerns concentrated aqueous solutions of an anionic disazo dye, comprising salts and or the free acids of the anionic dye of the formula (I) and 2-(2-butoxyethoxy)ethanol and the use of these solutions for dyeing and/or printing hydroxyl-containing substrates and for producing inkjet inks.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: December 11, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Ludwig Hasemann
  • Patent number: 8328920
    Abstract: The present invention relates to inkjet inks having improved compatibility with high resolution nozzle plate materials such that the inkjet inks resist clogging nozzles and flooding upon jetting. The inkjet ink includes one or more colorants, at least three co-solvents comprising about 18% to about 24% of the composition of the ink by weight, a penetrant, at least one wetting agent, and water.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: December 11, 2012
    Assignee: Lexmark International, Inc.
    Inventors: Meagan Winkler Sisk, Agnes Kam Zimmer
  • Publication number: 20120295079
    Abstract: The invention relates to a compound for manufacturing watermark in a textile sheet material and the corresponding composition, material, method and use. The compound for manufacturing a watermark in a textile sheet material of formula wherein X is hexamethylene, trimethylhexamethylene, isophorone, dicyclohexylmethyl, tetramethylxylylene, tetramethylenexylene, xylylene, trimethylhexamethylene, hydrogenated 4,4?-diphenylmethylene, 1,12-dodecylene, 1,5-2-methylpentylene; 1,4-butylene; 1,4-cyclohexylene, or a compound of formula 5 R1 is a linear aliphatic C1-C12 alkyl radical or a branched aliphatic C3-C18 alkyl radical R2 is a radical of formula wherein R4 is methoxy or ethoxy R5 and R6 are H, methoxy, ethoxy, methyl or ethyl R7 is cyclohexyl, phenyl or aliphatic C3-C6 alkyl R3 is a linear aliphatic C1-C12 alkyl radical or a branched aliphatic C3-C18 alkyl radical n is 0 or 1.
    Type: Application
    Filed: January 7, 2011
    Publication date: November 22, 2012
    Inventor: Josep Rocas Sorolla
  • Patent number: 8292995
    Abstract: A salt of a sulfonated dye modulates a stability of the dye, particularly its ozonefastness. The salt comprises an organic cation selected from the group consisting of: a first organic cation having a positive charge delocalized between a nitrogen atom and at least one other heteroatom; a second organic cation having a positive charge delocalized between a nitrogen atom and at least two other atoms; and a third organic cation of formula (A): wherein: Rp, Rq and Rr are each independently selected from a C1-6 alkyl group; s is 0, 1, 2 or 3; and Ar is a C6-12 aryl group or C3-12 heteroaryl group.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: October 23, 2012
    Assignee: Silverbrook Research Pty Ltd
    Inventors: Sutharsiny Indusegaram, Graciel Gonzaga, Simone Charlotte Vonwiller, Scott Matthew Starling, Lachlan Everett Hall, Damon Donald Ridley, Kia Silverbrook
  • Patent number: 8282722
    Abstract: A sulfonated dye salt of formula (II): wherein M is Ga(A1); A1 is an axial ligand selected from the group consisting of: —OH and halogen; and Z1+, Z2+, Z3+ and Z4+ are independently selected from the group consisting of: H and an ammonium cation including 3 or more hydroxyl groups. At least one of Z1+, Z2+, Z3+ and Z4+ is the ammonium cation. Such salts exhibit reduced kogation in thermal bubble-forming inkjet printheads.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: October 9, 2012
    Assignee: Silverbrook Research Pty Ltd
    Inventors: Simone Charlotte Vonwiller, Sutharsiny Indusegaram, Graciel Gonzaga, Damon Donald Ridley, Kia Silverbrook
  • Patent number: 8277549
    Abstract: The present invention provides a water-based ink for ink-jet recording containing a coloring agent, water, and a water-soluble organic solvent. The coloring agent contains a dye represented by the following general formula (1). The ink further includes a boron compound and at least one of amino polycarboxylic acid and amino polycarboxylate.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: October 2, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Taro Nagano
  • Patent number: 8273167
    Abstract: The present invention provides: a pigment dispersion composition including (A) an organic pigment, (B) a pigment derivative represented by Formula (I) below and (C) a polymer compound having a pigment-adsorptive functional group; a curable color composition including the pigment dispersion composition, a polymerizable compound and a polymerization initiator; and a color filter having a color region formed using the curable color composition and a method for producing the same. Q represents an organic colorant residue; A represents an ethylene group or the like; and R represents a hydroxyl group or a group represented by —NH-A-Z; Z represents —SO3H, —COOH or a salt thereof; and n represents an integer of from 1 to 4. When R represents —NH-A-Z, the structures represented by the two —NH-A-Zs bonded to the triazine ring contained in each of the n partial structures bonded to Q may be the same as each other or different from each other.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: September 25, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Koichi Sugihara, Kazuhiro Fujimaki
  • Patent number: 8257479
    Abstract: The present invention provides a water-based ink for ink-jet recording containing a coloring agent and water. The coloring agent contains a dye represented by the following general formula (1). The ink further includes a substance having a structure in which a carbon atom and a nitrogen atom are covalently bound.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: September 4, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kazuma Goto, Yuko Iwamura
  • Patent number: 8252103
    Abstract: The present invention provides a water-based ink for ink-jet recording containing a coloring agent and water. The coloring agent contains a dye represented by the following general formula (1). The ink further includes a substance having a structure in which a carbon atom and a nitrogen atom are covalently bound.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: August 28, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kazuma Goto, Yuko Iwamura
  • Publication number: 20120207983
    Abstract: An inkjet ink set including at least a black ink, a cyan ink, a magenta ink, and a yellow ink. Each of the inks includes at least a water-soluble dye, water and a water-soluble solvent including a specific alkoxypropionamide compound. The cyan, magenta and yellow inks has a S/W ratio of not less than 1.5 and not greater than 3.5, wherein S represents the content of the water-soluble solvent in each ink, and W represents the content of water in each ink, and the black ink has a S/W ratio of not less than 1.0 and less than 1.5, wherein S represents the content of the water-soluble solvent in the black ink, and W represents the content of water in the black ink.
    Type: Application
    Filed: January 25, 2012
    Publication date: August 16, 2012
    Inventors: Akihiko MATSUYAMA, Hiroshi Gotou
  • Patent number: 8163074
    Abstract: Phase change inks comprising a carrier and a colorant of the formula wherein R1, R2, R3, R4, R5, R6, R?, R?, Y, CA+, and A? each, independently of the others are as defined herein.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: April 24, 2012
    Assignee: Xerox Corporation
    Inventor: Jeffrey H. Banning
  • Patent number: 8147602
    Abstract: A dye-based ink includes a dye and a solvent. The dye-based ink has a high print quality on plain paper. The dye-based ink may have a print quality similar to pigment-based inks. This may be particularly relevant for black inks.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: April 3, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hiang P Lauw, Linda C. Uhlir-Tsang, John R Moffatt
  • Patent number: 8142558
    Abstract: Disclosed are ink jet ink compositions suitable for use in thermal ink jet printers. The ink jet ink compositions contain one or more volatile organic solvents, one or more humectants, one or more binder resins, and one or more colorants. The ink jet ink compositions may also contain additives such as a plasticizer and/or a surfactant. Embodiments of the ink jet ink compositions have short dry times, good adhesion to a variety of substrates, and/or long decap times.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: March 27, 2012
    Inventors: Casey Robertson, Anthony Selmeczy, John P. Folkers
  • Patent number: 8110030
    Abstract: A method of formulating an aqueous ink having minimal visible coloration. The method includes the steps of: providing an aqueous ink formulation containing a sulfonated water-soluble IR-absorbing naphthalocyanine dye having a central metal atom moiety; and adjusting a pH of the formulation to a pH value in the range of 4 to 6.5 so as to minimize visible coloration of the formulation.
    Type: Grant
    Filed: May 30, 2011
    Date of Patent: February 7, 2012
    Assignee: Silverbrook Research Pty Ltd
    Inventors: Sutharsiny Indusegaram, Graciel Gonzaga, Simone Charlotte Vonwiller, Scott Matthew Starling, Lachlan Everett Hall, Damon Donald Ridley, Kia Silverbrook
  • Patent number: 8083814
    Abstract: A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) Mannich reaction product having a tertiary amino group, said Mannich reaction product being prepared from the reaction of a hydrocarbyl-substituted phenol, an aldehyde, and amine; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: December 27, 2011
    Assignee: The Lubrizol Corporation
    Inventors: Paul R. Stevenson, Dean Thetford, Jonathan S. Vilardo
  • Patent number: 8080099
    Abstract: This invention provides an ink composition comprising at least a dye represented by the following Formula (1), monohydric alcohol having 1 to 5 carbon atoms, and urea: wherein G represents a heterocyclic group; n represents an integer from 1 to 3; when n is 1, R, X, Y, Z, Q, and G each represent a monovalent group; when n is 2, R, X, Y, Z, Q, and G each represent a monovalent or divalent substituent, in which at least one of R, X, Y, Z, Q, or G represents a divalent substituent; and when n is 3, R, X, Y, Z, Q, and G each represent a monovalent, divalent, or trivalent substituent, in which at least two of R, X, Y, Z, Q, or G represent a divalent substituent or represent a trivalent substituent.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: December 20, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Yuko Saito, Naotaka Wachi
  • Patent number: 8052785
    Abstract: An indaniline dye represented by the following formula (1): wherein R1 and R2 represent an unsubstituted linear or branched alkyl group having from 2 to 5 carbon atoms; R3 represents an unsubstituted linear or branched alkyl group having from 1 to 3 carbon atoms; provided that the total number of the carbon atoms of R1, R2 and R3 is 6 or 7.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: November 8, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Yoshihiko Fujie, Takashi Hoshimiya, Hisashi Mikoshiba, Naotsugu Muro
  • Patent number: 8029611
    Abstract: A salt of a sulfonated dye comprising an ammonium cation as a counterion. The ammonium cation comprises at least 3 hydroxyl groups. The salt is useful in reducing kogation in thermal inkjet printheads. One example of these salts is the compound of formula (II): wherein M is Ga(OH); and each of Z1+, Z2+, Z3+ and Z4+ is protonated 2,2-bis(hydroxymethyl)-2,2?,2?-nitrilotriethanol.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: October 4, 2011
    Assignee: Silverbrook Research Pty Ltd
    Inventors: Simone Charlotte Vonwiller, Sutharsiny Indusegaram, Graciel Gonzaga, Damon Donald Ridley, Kia Silverbrook
  • Patent number: 7976623
    Abstract: In accordance with embodiments of the present invention, an ink-jet ink can comprise a dye and a liquid vehicle carrying the dye. The liquid vehicle can include a sulfonated aromatic compound present in the ink-jet ink at an effective concentration to cause improvement of ozone fastness of said ink-jet ink.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: July 12, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Linda C Uhlir-Tsang, Marlene Ann McGorrin, John R Moffatt
  • Publication number: 20110159268
    Abstract: A composition susceptible to changing colour upon the application of energy, wherein the composition comprises a colour former and a tinting colourant, wherein the tinting colourant has a complementary colour to that of the composition comprising the colour former without tinting colourant. Preferably, the composition 5 also comprises an energy absorbing additive. The invention also provides a method of improving contrast when a composition susceptible to changing colour is imaged.
    Type: Application
    Filed: August 26, 2009
    Publication date: June 30, 2011
    Inventor: Anthony Jarvis
  • Patent number: 7967902
    Abstract: Disclosed herein are compounds having a formula of: R1—CONH—R6—CONH—C34H64+n—CONH—R6—CONH—R3, R1—NHCO—R6—NHCO—C34H64+n—NHCO—R6—NHCO—R3, R1—CONH—R6—NHCO—C34H64+n—CONH—R6—NHCO—R3, R1—NHCO—R6—CONH—C34H64+n—NHCO—R6—CONH—R3, R1—CONH—R4—CONH—C34H64+n—CONH—R5—CONH—R3, R1—CONH—R4—NHCO—C34H64+n—CONH—R5—NHCO—R3, R1—NHCO—R4—CONH—C34H64+n—NHCO—R5—CONH—R3, R1—NHCO—R4—NHCO—C34H64+n—CONH—R5—CONH—R3, or R1—CONH—R4—CONH—C34H64+n—NHCO—R5—NHCO—R3, wherein n is an integer of 0, 2 or 4, R6 is the same or different cyclic group having from 5 to 8 carbon atoms, R4 and R5 are the same or different and comprise an alkylene having from 1 to about 200 carbon atoms, and R1 and R3 are the same or different and comprise a straight chain or branched alkyl group having from about 3 carbon atoms to about 200 carbon atoms and one or both of R1 and R3 include at least one hydroxyl group substituent, and ink compositions including the compounds as an ink vehicle.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: June 28, 2011
    Assignee: Xerox Corporation
    Inventors: Jeffrey H. Banning, Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel
  • Patent number: 7955528
    Abstract: The present invention relates to a variety of conductive ink compositions comprising a metal complex compound having a special structure and an additive and a method for preparing the same, more particularly to conductive ink compositions comprising a metal complex compound obtained by reacting a metal or metal compound with an ammonium carbamate- or ammonium carbonate-based compound and an additive and a method for preparing the same.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: June 7, 2011
    Assignee: Inktec Co., Ltd
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo, Nam-Boo Cho