Five-ring Members In The Heterocyclic Ring Patents (Class 106/31.49)
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Patent number: 7556680Abstract: An ink composition includes a colorant, a solvent, and an amide compound. Due to the use of the amide compound, the ink composition has effective storage stability and wetness at nozzles and has a low mobility of a colorant due to interaction between the colorant and the amide compound and a high adhesion to paper, thus minimizing bleeding between colors of printed images. In addition, the ink composition has effective color fastness, such as water fastness and dry and wet rubfastness of printed images, on paper, thus providing improved quality and durability of printed images. Further, the ink composition provides improved long-term storage stability. Thus, the ink composition may be used in various applications, such as inks for inkjet printers or printing, coatings, textile printing, making papers, cosmetics, ceramics, and the like.Type: GrantFiled: April 18, 2005Date of Patent: July 7, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-in Lee, Seung-min Ryu
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Patent number: 7550038Abstract: Disclosed herein is a novel crosslinked polyphthalocyanine compound. The polyphthalocyanine compound has a structure in which phthalocyanine units are crosslinked to absorb wavelengths in the near-infrared range of 750 to 900 nm, thus being suitable for use as a near-infrared absorber. Further disclosed is a near-infrared absorbing ink composition comprising the polyphthalocyanine compound as a near-infrared absorber.Type: GrantFiled: June 8, 2006Date of Patent: June 23, 2009Assignee: CMS Technology Inc.Inventors: Shi-surk Kim, Hwal-jong Lee, Kyung-mi Lee
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Patent number: 7544236Abstract: A compound of Formula (1) in the free acid or salt form: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc represents a phthalocyanine nucleus of formula; each R1 and R2 independently is H, optionally substituted alkyl or optionally substituted aryl; each R3 independently is optionally substituted alkyl or optionally substituted aryl; each n independently is 1 or 2; x is 0 to 2; y is 0.1 to 2.5; x is 0.1 to 2.5; and the sum (x+y+z) is 2.2 to 4. Also compositions, ink jet printer inks, cartridges and processes and printed materials.Type: GrantFiled: October 21, 2005Date of Patent: June 9, 2009Assignee: Fujifilm Imaging Colorants LimitedInventors: John Mayall, Prakash Patel
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Patent number: 7544235Abstract: An ink for ink-jet recording is provided which, although contains free copper ions, has anticorrosive properties and is free from the formation of a precipitate caused by the free copper ion. The ink for ink-jet recording containing the free copper ion includes cyclohexylammonium carbamate serving as an anticorrosive.Type: GrantFiled: June 4, 2008Date of Patent: June 9, 2009Assignee: Brother Kogyo Kabushiki KaishaInventor: Michiko Aoyama
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Patent number: 7527684Abstract: An ink set comprising a yellow ink containing at least one yellow dye, a magenta ink containing at least one magenta dye, a cyan ink containing at least one cyan dye and a black ink containing at least two kinds of dyes as a minimum constituent element, in which an oxidation potential for each of the yellow dye, the magenta dye and the cyan dye is more electropositive than 0.8 V (vs SCE) and/or each of the inks is an azo dye containing at least one heterocyclic ring in a molecule or a phthalocyanine dye containing at least one heterocyclic ring in a molecule, and the black ink contains a water soluble long wavelength dye L and a water soluble short wavelength dye S having three or more azo groups in one molecule and having a naphthalene skeleton, and a ink jet recording method utilizing the ink set.Type: GrantFiled: July 11, 2005Date of Patent: May 5, 2009Assignee: FUJIFILM CorporationInventor: Naotaka Wachi
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Patent number: 7527683Abstract: An ink for ink-jet recording includes: at least one of an azo dye having a specific structure; and at least one of a betaine surfactant and a nonionic surfactant, and an ink set includes the ink, and an ink-jet recording method used the ink.Type: GrantFiled: May 30, 2006Date of Patent: May 5, 2009Assignee: FUJIFILM CorporationInventors: Hiroshi Kawakami, Kaoru Tojo, Toshiki Fujiwara
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Patent number: 7524367Abstract: A poly cross linked phthalocyanine compound for a solar cell and ink composition comprising the same, and more particularly a poly cross linked phthalocyanine compound effective for use in a near infrared absorbent having a high absorption power in a near infrared wavelength from about 750 nm to about 1100 nm, wherein the poly cross linked phthalocyanine compound having structures according to the present inventive concept is sensitized to infrared region, although ruthenium-based compound used for existing dye-sensitized solar cells is sensitized to visible light region, such that the compound according to the present novel concept can be extended in wavelengths for use in solar cells to improve an energy conversion efficiency.Type: GrantFiled: December 14, 2007Date of Patent: April 28, 2009Inventors: Dae Woo Ihm, Shi Surk Kim, Kyung Mi Lee, Byung Sun Cho
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Patent number: 7520926Abstract: Disclosed is an ink composition, particularly an ink jet ink composition, comprising one or more organic solvents, one or more solvent-soluble binder resins, and a water-insoluble quinone dye, wherein the quinone dye is present in the ink composition in a dissolved state and the ink composition is a single phase ink composition. Also disclosed is a method of printing images on a substrate employing the ink composition.Type: GrantFiled: September 15, 2006Date of Patent: April 21, 2009Assignee: Videojet Technologies Inc.Inventors: Linfang Zhu, Godwin Deng
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Patent number: 7520928Abstract: Black ink compositions are provided. First embodiment contains a water-soluble long-wavelength dye L and a water-soluble short-wavelength dye S, in which the water-soluble short-wavelength dye S has 3 or more azo groups per molecule and a naphthalene skeleton. Second embodiment contains a water-soluble short-wavelength dye S whose absorption spectrum in aqueous solvent has a maximum between 440 nm and 540 nm and a half-band width of 90 to 200 nm and a water-soluble long-wavelength dye L whose absorption spectrum in aqueous solvent has a maximum between 550 nm and 700 nm and a half-band width of 100 nm or more. Third embodiment contains water, a water-miscible organic solvent, and a coloring material, in which C. I. Direct Red 84 is contained as a water-soluble short-wavelength dye S.Type: GrantFiled: July 12, 2005Date of Patent: April 21, 2009Assignee: FUJIFILM CorporationInventors: Kenji Ikeda, Toshiharu Tanaka
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Patent number: 7517398Abstract: The present invention pertains to an aqueous inkjet ink containing a humectant in the liquid vehicle selected from the group consisting of butyl urea, pentyl urea, and any combinations thereof which provides good print reliability and excellent latency with dye colorants. The present invention further pertains to an ink set containing this aqueous inkjet ink, as well as to methods of printing with this ink and ink set on a variety of substrates.Type: GrantFiled: September 10, 2007Date of Patent: April 14, 2009Assignee: E.I. du Pont de Nemours and CompanyInventor: Christian Jackson
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Patent number: 7513942Abstract: In a fine particle dispersion, fine particles including an oil-soluble dye having an oxidation potential higher than 1.0 V vs SCE and a polymer having at least one of an amide group, a glycidyl group and a hydroxyl group are dispersed in an aqueous medium. Further, an ink composition includes the fine particle dispersion.Type: GrantFiled: March 16, 2005Date of Patent: April 7, 2009Assignee: Fujifilm CorporationInventors: Yuuichi Fukushige, Norihide Shimohara
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Patent number: 7510604Abstract: There is provided a cyan ink for ink jet and an ink jet recording method using the same, which can reduce both reciprocating color uneven and beading without impairing fastness property even when a yellow ink or a magenta ink containing a specific coloring material with excellent fastness property is used. In the ink jet recording method using a yellow ink and a cyan ink, or a magenta ink and a cyan ink, the yellow ink and the magenta ink contain a specific coloring material and have a surface tension of 33.0 mN/m or more and 36.0 mN/m or less, and the cyan ink contains a specific phthalocyanine compound, contains 1,5-pentanediol as an organic solvent, and has a surface tension of 32.9 mN/m or more and 35.4 mN/m or less.Type: GrantFiled: January 3, 2007Date of Patent: March 31, 2009Assignee: Canon Kabushiki KaishaInventors: Yuuko Negishi, Hiroshi Tomioka, Hiroyuki Takuhara, Hideki Yamakami
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Publication number: 20090061179Abstract: A substrate having an IR-absorbing dye disposed thereon.Type: ApplicationFiled: November 3, 2008Publication date: March 5, 2009Inventors: Simone Charlotte Vonwiller, Damon Donald Ridley, Sutharsiny Indusegaram, Scott Matthew Starling, Graciel Gonzaga, Kia Silverbrook
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Patent number: 7488381Abstract: The present invention pertains to an aqueous inkjet ink containing 1,1-diethylurea in the liquid vehicle which provides good print reliability and excellent latency with dye colorants. The present invention further pertains to an ink set containing this aqueous inkjet ink, as well as to methods of printing with this ink and ink set on a variety of substrates.Type: GrantFiled: September 10, 2007Date of Patent: February 10, 2009Assignee: E.I. du Pont de Nemours & CompanyInventor: Christian Jackson
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Patent number: 7485179Abstract: An ink composition including a colorant, a cyclic amide compound, a cyclic dicarbonyl compound, and water, an ink cartridge including the same, and an inkjet recording apparatus including the same. The ink composition maintains high solubility and stability of a colorant, even when used in small amounts, thereby enhancing not only a storage stability but also a fusing property of the ink composition on a print medium, and thus reinforces a rubbing resistance of the ink composition on the print medium. The ink composition is easily dried on the print medium, and thus bleeding between colors is minimized, thereby improving printed image quality because little or solvent having a high boiling point is used in the ink composition.Type: GrantFiled: May 2, 2006Date of Patent: February 3, 2009Assignee: Samsung Electronics Co., LtdInventors: Hee-jung Roh, Seung-min Ryu
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Patent number: 7485180Abstract: Compounds of Formula (1) and salts thereof: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc represents a phthalocyanine nucleus; R1 and R3 are H or optionally substituted C1-4 alkyl; R2 and R4 are H or optionally substituted hydrocarbyl; x is 0.0 to 3.9; y is 0.1 to 4.0; z is 0 to 3.9. Compositions, inks, ink-jet printing processes and cartridges, printed materials and ink jet printing cartridges are also disclosed.Type: GrantFiled: March 13, 2006Date of Patent: February 3, 2009Assignee: Fujifilm Imaging Colorants LimitedInventor: Prakash Patel
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Patent number: 7481875Abstract: An inkjet ink includes an aqueous liquid vehicle, at least 1% by weight dye, and an ozone stability enhancing quantity of gluconate ions.Type: GrantFiled: January 3, 2007Date of Patent: January 27, 2009Assignee: Hewlett-Packard Development Company, L.P.Inventor: Larrie Deardurff
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Patent number: 7479178Abstract: The present invention is directed to dye sets and ink formulated using the same, and in particular dye and ink sets for ink jet printing. The dyes/inks are configured to work in cooperation with one another to produce high quality printed images.Type: GrantFiled: February 6, 2006Date of Patent: January 20, 2009Assignee: Hewlett-Packard Development Company, L.P.Inventors: Tye J. Dodge, Matthew Thornberry
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Patent number: 7476270Abstract: An ink-jet ink comprises an aqueous liquid vehicle, at least 1% by weight colorant; and a black-to-color bleed control enhancing amount of magnesium sulfate or hydrate thereof.Type: GrantFiled: January 31, 2007Date of Patent: January 13, 2009Assignee: Hewlett-Packard Development Company, L.P.Inventor: Marlene McGorrin
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Patent number: 7470315Abstract: A naphthalocyanine dye of formula (I) is provided: wherein M is a metal group or is absent; R1 and R2 are independently selected from hydrogen or C1-12 alkoxy; X is selected from O, S or —NH—; Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7 and Ar8 are selected from phenyl, naphthyl, pyridyl, furanyl, pyrollyl, thiophenyl, each of Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7 and Ar8 being optionally substituted with 1, 2, 3, 4 or 5 groups, the or each group being independently selected from C1-12 alkyl, C1-12 alkoxy, C1-12 arylalkyl, C1-12 arylalkoxy, —(OCH2CH2)dORd, cyano, halogen, amino, hydroxyl, thiol, —SRv, —NRuRv, nitro, phenyl, phenoxy, —CO2Rv, —C(O)Rv, —OCORv, —SO2Rv, —OSO2Rv, —NHC(O)Rv, —CONRuRv, —CONRuRv, sulfonic acid, sulfonic acid salt and sulfonamide; d is an integer from 2 to 5000; Rd is H, C1-8 alkyl or C(O)C1-8 alkyl; and Ru and Rv are independently selected from hydrogen, C1-12 alkyl, phenyl or phenyl-C1-8 alkyl.Type: GrantFiled: July 5, 2005Date of Patent: December 30, 2008Assignee: Silverbrook Research Pty LtdInventors: Simone Charlotte Vonwiller, Damon Donald Ridley, Sutharsiny Indusegaram, Scott Matthew Starling, Graciel Gonzaga, Kia Silverbrook
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Patent number: 7468100Abstract: An ink for ink-jet recording contains a copper phthalocyanine pigment as a colorant, and a benzotriazole compound. The ink further contains a metallic phthalocyanine compound having one or more counter ions, wherein about 2 mol % to about 20 mol % of the counter ions is ammonium ion and/or organic ammonium ion.Type: GrantFiled: September 4, 2007Date of Patent: December 23, 2008Assignee: Brother Kogyo Kabushiki KaishaInventors: Yasuhiro Taga, Kazuma Goto
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Patent number: 7465344Abstract: An aqueous ink for ink jet recording, which comprises: at least one dye; and at least one of a compound having at least one phosphonic acid group and at least one carboxyl group and a compound having at least two phosphonic acid groups as a print density improver(s), a print density improver, and a method for enhancing print density involving the use of the aforementioned print density improver.Type: GrantFiled: March 30, 2006Date of Patent: December 16, 2008Assignee: Fujifilm CorporationInventors: Tomohiro Chino, Takashi Ozawa
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Patent number: 7452414Abstract: An ink composition is provided including a cyclic silazane-based compound, a colorant, and a solvent. The cyclic silazane-based compound in the ink composition prevents the production of ink foam or bubbles in a cartridge when an inkjet printer is operated, induces the rapid elimination of foam or bubbles produced, and exhibits a stable initial ink ejection behavior owing to good ink flowability and good long-term storage stability.Type: GrantFiled: March 3, 2008Date of Patent: November 18, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-yoon Jung, Jong-in Lee
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Publication number: 20080280052Abstract: An ink-jet printing process for printing textile fibre materials, wherein the fiber materials are printed with an aqueous ink comprising (I) at least one anionic acid dye, and (II) dipropylene glycol, said ink having a viscosity of from 5 to 20 mPa s at 25° C., and wherein the said ink is applied to the fiber material with an ink-jet print head comprising an ink supply layer (b) receiving ink from an external ink reservoir, said ink supply layer having a first side and a second side and comprising, a porous medium having a plurality of pores therein and a plurality of holes extending therethrough, so as to allow passage of the ink allows for high speed printing and yields prints with good fastness properties.Type: ApplicationFiled: October 6, 2004Publication date: November 13, 2008Inventor: Roger Lacroix
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Patent number: 7449058Abstract: A composition comprising: (a) a major dye component which is a mixture of phthalocyanine dyes of Formula (1) and salts thereof: wherein: Pc represents a phthalocyanine nucleus of formula; x is 0.1 to 3.8; y is 0.1 to 3.8; z is 0.1 to 3.8; the sum of x+y+z is 3 to 4; and the substituents, represented by x, y and z, are attached only to a ?-position on the phthalocyanine ring; and (b) a liquid medium. Also ink-jet inks and cartridges, printing processes, printed material and dye mixtures.Type: GrantFiled: January 6, 2006Date of Patent: November 11, 2008Assignee: Fujifilm Imaging Colorants LimitedInventor: Prakash Patel
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Patent number: 7445666Abstract: An ink jet ink which can form images whose bleeding resistance is high and whose bronzing phenomenon is suppressed, is provided. The ink is an ink jet ink for use together with a pigment ink. The ink jet ink is characterized in that: the ink jet ink contains a coloring material, a polyvalent metal and a water-soluble organic solvent(s); the coloring material is at least a compound represented by the general formula (I); a content (mol/g) of the polyvalent metal is 2.0×10?6 mol/g or more and 4.0×10?4 mol/g or less; a total content (mass %) of the water-soluble organic solvent(s) is 25.0 mass % or more with respect to the total mass of the ink; and in a dispersion distance distribution, measured by a small angle X-ray scattering method, of molecular aggregates in the ink jet ink whose coloring material concentration is adjusted to 0.5 mass %, a dispersion distance d75 value corresponding to 75% of a distribution is 12.60 nm or less.Type: GrantFiled: September 7, 2007Date of Patent: November 4, 2008Assignee: Canon Kabushiki KaishaInventors: Satomi Yanagimachi, Hiroshi Tomioka, Hiroyuki Takuhara, Minako Kawabe, Yuuki Nishino
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Publication number: 20080257210Abstract: Phthalocyanine dyes of general formula (II) and, in particular, of general formula (III) wherein R1-R8, R9-R12, Me, M, m, n , o and p are as defined in the specification, are excellent dyes for dying and printing cellulose containing materials and textile materials, and, especially, for the preparation of inks for ink jet printing.Type: ApplicationFiled: June 13, 2007Publication date: October 23, 2008Inventors: Kurt Baettig, Gerald Jan
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Patent number: 7438753Abstract: The present invention relates to a diazo dyestuff compound of the following formula (I) wherein, M is H, Na, or Li. The formula (I) compound is particularly suitable for using as a component in a black dye composition for ink-jet printing ink, and inkjet printing inks with good light-fastness are obtained.Type: GrantFiled: June 15, 2006Date of Patent: October 21, 2008Assignee: Everlight USA, Inc.Inventors: Jen-Fang Lin, Tzu-Kwei Sun, Hsiao-San Chen, Wen-Chin Lin
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Patent number: 7435291Abstract: In accordance with embodiments of the present invention, an ink-jet ink can comprise a metallized phthalocyanine dye and a liquid vehicle carrying the dye. The liquid vehicle can include an amine additive present in the ink-jet ink at an effective concentration to cause improvement of ozone fastness. The improvement can be determined by comparing the ozone fastness of the ink-jet ink with a control ink-jet ink that does not include the amine additive.Type: GrantFiled: March 14, 2005Date of Patent: October 14, 2008Inventors: John R. Moffatt, Linda C. Uhlir-Tsang, Joseph W. Tsang
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Patent number: 7425233Abstract: A cyan ink for ink-jet recording contains a coloring agent, water and a water soluble organic solvent. Different types of dyes are employed as the coloring agent. In particular, a dye represented by the general formula (1) is used together with at least one dye selected from the group consisting of a dye represented by the general formula (2), a dye represented by the general formula (3) and C. I. Direct Blue 86. In the formulas, Pc(Cu) is a copper phthalocyanine nucleus.Type: GrantFiled: February 12, 2007Date of Patent: September 16, 2008Assignee: Brother Kogyo Kabushiki KaishaInventors: Tomoyo Hamajima, Shunichi Higashiyama, Kazuma Goto, Narumi Koga, Yasuhiro Taga
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Publication number: 20080220230Abstract: Process for forming an image on a substrate comprising applying an ink thereto by means of an ink-jet printer wherein the ink comprises a liquid medium and a phthalocyanine dye fraction obtainable by the fractionation of a solution and/or suspension of a mixture of phthalocyanine dyes of Formula (1), and salts thereof, by cross-flow filtration: wherein: M is 2H, copper or nickel; Pc represents a phthalocyanine nucleus; R1 and R3 independently are H or optionally substituted C1-4alkyl; R2 and R4 independently are H or optionally substituted hydrocarbyl; or R1 and R2, and, R3 and R4, independently, together with the nitrogen atom to which they are attached represent an optionally substituted aliphatic or aromatic ring system; x is 0 to 3.9; y is 0 to 3.9; z is 0.1 to 4; and the sum of (x+y+z) is 2.4 to 4.5.Type: ApplicationFiled: November 24, 2004Publication date: September 11, 2008Applicant: AVECIA INKJET LIMITEDInventors: Graham Michael Watson, Jill Louise Johnson, Prakash Patel, William Albert Fern
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Patent number: 7419537Abstract: The present invention relates to a phthalocyanine colorant characterized in that it has, as substituents, at least one unsubstituted sulfamoyl group and at least one substituted sulfamoyl group, the total number of these groups being 2 to 4, the substituent on the substituted sulfamoyl group has a substituted triazinyl group bonded thereto through a crosslinking group, and the unsubstituted sulfamoyl group and the substituted sulfamoyl group are bonded to the phthalocyanine ring at the ?-position. Said phthalocyanine colorant is suitable for use in an ink, especially a cyan ink, for an ink-jet printer. A printed matter obtained by printing with said ink is excellent in light fastness, ozone fastness and moisture fastness.Type: GrantFiled: March 29, 2004Date of Patent: September 2, 2008Assignee: Nippon Kayaku Kabushiki KaishaInventors: Takafumi Fujii, Hirokazu Kitayama, Shinichi Namba
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Patent number: 7416591Abstract: Dye mixtures comprising one or more dyes of the herein below indicated and defined formula (I), and at least one of the herein below indicated and defined general dye of: formula (II), or one or more dyes of formula (III) or one or more dyes of formula (IV), or one or more dyes of formula (V), or one or more dyes of formula (VI), wherein R1 to R21, P, Q, X, Y and Z are as defined in claim 1 , method for the preparation of the dye mixture and a process for coloring a synthetic textile material or fiber blend thereof.Type: GrantFiled: October 5, 2005Date of Patent: August 26, 2008Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Clemens Grund, David Brierley, Alan T. Leaver
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Patent number: 7407540Abstract: A coloring liquid can form an image showing a high color developability and a high vividness as well as an excellent water fastness when used as recording material with a recording technique such as ink-jet printing. An ink tank, a recording unit, a recording apparatus and a recording method are adapted to use such a coloring liquid. Such a coloring liquid contains at least one colorant compound having a structure represented by the general formula (1) below and an ink tank, a recording unit, a recording apparatus and a recording method are adapted to use such a coloring liquid.Type: GrantFiled: February 14, 2006Date of Patent: August 5, 2008Assignee: Canon Kabushiki KaishaInventors: Yuko Yamagishi, Yasuaki Murai, Takeshi Miyazaki
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Patent number: 7407541Abstract: Magenta chromophore dyes which are stabilized by adding steric hindering groups to protect the imino carbons; nonlimiting examples of the steric hindering groups being phenyl, methyl, ethyl, isopropyl, fluoride, chloride, bromide and iodide groups.Type: GrantFiled: February 24, 2004Date of Patent: August 5, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventor: Larrie A Deardurff
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Patent number: 7404850Abstract: An ink stock solution contains at least a dye and a colorless planar compound having more than ten delocalization ? electrons in one molecule, and an ink composition is manufactured with the same ink stock solution.Type: GrantFiled: March 10, 2006Date of Patent: July 29, 2008Assignee: FUJIFILM CorporationInventors: Takashi Ozawa, Yoshiharu Yabuki
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Patent number: 7399349Abstract: An ink for ink jet recording, which hardly causes blotting of an image even under high humidity conditions while maintaining the advantages as water-based ink (handling properties, stability, producing properties, hue), is provided. Also provided is a method of manufacturing ink for ink jet recording, an ink set for ink jet recording, and an ink jet recording method.Type: GrantFiled: September 12, 2005Date of Patent: July 15, 2008Assignee: FUJIFILM CorporationInventors: Toshiki Taguchi, Toshiaki Aono, Masanobu Takashima, Manabu Ogawa
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Patent number: 7396398Abstract: An ink composition is provided including an amide compound represented by formula I, a coloring agent and a solvent. The amide compound and the polyhydric alcohol in the ink composition decrease the mobility of coloring agents and increase the adhesion to media, thereby minimizing the bleeding between colors of printed images, and improving the water fastness and dry and wet rub fastness to provide good color fastness on papers. The ink composition also improves the quality of the printed image, and also has good long-term storage stability. Thus, the ink composition can be widely used as ink-jet inks for ink-jet printers, printing inks, paints, textile printing, paper manufacturing, cosmetics manufacturing, ceramic industry, etc.Type: GrantFiled: October 15, 2004Date of Patent: July 8, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-in Lee, Seung-min Ryu, Su-aa Jung
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Publication number: 20080160207Abstract: An inkjet ink includes an aqueous liquid vehicle, at least 1% by weight dye, and an ozone stability enhancing quantity of gluconate ions.Type: ApplicationFiled: January 3, 2007Publication date: July 3, 2008Inventor: Larrie Deardurff
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Patent number: 7393399Abstract: An ink for ink-jet recording contains a copper phthalocyanine pigment as a colorant, and a thiazole compound. The ink further contains a metallic phthalocyanine compound having one or more counter ions, wherein about 2 mol % to about 20 mol % of the counter ions is ammonium ion and/or organic ammonium ion.Type: GrantFiled: September 4, 2007Date of Patent: July 1, 2008Assignee: Brother Kogyo Kabushiki KaishaInventors: Yasuhiro Taga, Kazuma Goto
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Patent number: 7393403Abstract: A self-dispersible coloring agent represented by formula (II) below is prepared by incorporating a hydrophilic group into a coloring agent through a reaction of a hydrophilic group-containing halide represented by formula (I) below and the coloring agent in the presence of a Lewis acid catalyst: X-L-R1??(I) (the coloring agent)-L-R1??(II) wherein L represents a single bond or —C(?O)—; R1 is selected from the group consisting of a substituted or unsubstituted C1-C20 alkyl group containing a hydrophilic group, a substituted or unsubstituted C6-C20 aryl group containing a hydrophilic group a substituted or unsubstituted C2-C20 heteroaryl group containing a hydrophilic group and a substituted or unsubstituted C7-C20 arylalkyl group containing a hydrophilic group; and X is one of: —F, —Br, —I and —Cl. may be obtained conveniently through a one-step process.Type: GrantFiled: August 27, 2004Date of Patent: July 1, 2008Assignee: Samsung Eletronics Co., Ltd.Inventors: Jong-in Lee, Seung-min Ryu, Su-aa Jung
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Publication number: 20080152824Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula wherein X1, X2, X3, and X4 each, independently of the others, are —S—, —S(=O)—, or —S(=O)2—, R1, R2, R3, and R4 each, independently of the others, are alkyl, aryl, arylalkyl, or alkylaryl, R1?, R2?, R3?, and R4? each, independently of the others, are substituents, n1, n2, n3, and n4 each, independently of the others, are 0, 1, 2, or 3, and M is an atom or group of atoms capable of bonding to the central cavity of a phthalocyanine molecule, wherein axial ligands optionally can be attached to M. Also disclosed is a radiation curable ink composition comprising (a) an ink vehicle, said ink vehicle comprising at least one radically curable monomer compound, and this colorant compound.Type: ApplicationFiled: December 21, 2006Publication date: June 26, 2008Inventor: Jeffrey H. Banning
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Publication number: 20080145558Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula wherein M is an atom or group of atoms capable of bonding to the central cavity of a phthalocyanine molecule, wherein axial ligands optionally can be attached to M. Also disclosed is a radiation curable ink composition comprising (a) an ink vehicle, said ink vehicle comprising at least one radically curable monomer compound, and this colorant compound.Type: ApplicationFiled: December 19, 2006Publication date: June 19, 2008Inventor: Jeffrey H. Banning
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Publication number: 20080145559Abstract: Phase change ink comprising carrier and colorant of formula wherein M is atom or group of atoms capable of bonding to central cavity of phthalocyanine molecule, wherein axial ligands optionally can be attached to M, each R? is a substituent, each n is 0, 1, 2, 3, or 4, each R? is a substituent, each m is 0, 1, 2, or 3, each R is alkylene, arylene, arylalkylene, or alkylarylene, each X is —OH, —COOH, or wherein each Y and each Z is a direct bond, oxygen, or —NR1—, wherein R1 is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl, provided that Z and Y are not both direct bonds connected to a single C?O moiety at the same time, provided that when X is —COOH, R can also be a direct bond, and each Rd is alkyl, aryl, arylalkyl, or alkylaryl.Type: ApplicationFiled: December 19, 2006Publication date: June 19, 2008Inventor: Jeffrey H. Banning
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Patent number: 7387668Abstract: An azo compound which is reduced in the copper ion content and exhibits hue and clarity suitable for ink-jet recording and which can give records having excellent light fastness, water resistance, and moisture proofness, and such ozone resistance as to control the fading and the discoloration; and water-base yellow inks containing the same.Type: GrantFiled: September 29, 2004Date of Patent: June 17, 2008Assignee: Nippon Kayaku Kabushiki KaishaInventors: Hirokazu Kitayama, Yasuo Shirasaki, Takahiko Matsui, Hiroaki Ohno
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Patent number: 7387667Abstract: The present invention relates to a black dye composition, comprising: (a) a compound of the following formula (I), (b) a compound of the following formula (II), (c) a compound of the following formula (III), wherein R1, R2, R3, and R4 are defined the same as the specification. The present invention also relates to a black ink composition afforded from the aforementioned black dye composition. The black ink composition of the present invention is suitable for paper ink-jet printing, and exhibits the properties of good light-fastness, high color strength, solubility, and fine fluency of ink.Type: GrantFiled: September 13, 2007Date of Patent: June 17, 2008Assignee: Everlight USA, Inc.Inventors: Wen-Chin Lin, Tzu-Kwei Sun, Reng-Fang Lin
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Publication number: 20080134933Abstract: Compounds of Formula (1) and salts thereof: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc represents a phthalocyanine nucleus of formula; R1 is H or optionally substituted C1-4alkyl; R2 is H or optionally substituted hydrocarbyl; R3 is H or optionally substituted C1-4alkyl; R4 is H or optionally substituted hydrocarbyl; x is 0. to 3.9; y is 0.1 to 4.0; z is 0 to 3.9. Also compositions, inks, ink-jet printing processes and cartridges, printed materials and ink jet printing cartridges.Type: ApplicationFiled: March 13, 2006Publication date: June 12, 2008Inventor: Prakash Patel
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Publication number: 20080138592Abstract: A mixture of dyes of Formula (1) and salts thereof; wherein M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc represents a phthalocyanine nucleus of formula (2); R1 is methyl; R2 is H or methyl; R3 and R4 independently are H or optionally substituted C1-4alkyl; L is a divalent linking group; A and B are independently H or a substituent. x is 0.1 to 3.8; y is 0.1 to 3.8; z is 0.1 to 3.8; the sum of (x+y+z) is 2 to 4; and the substituents, represented by x, y and z, are only attached to a ? position on the phthalocyanine ring and the dyes are free from fibre reactive groups. Also compositions, inks, printed material and in-jet processes and cartridges.Type: ApplicationFiled: February 12, 2005Publication date: June 12, 2008Inventor: Prakash Patel
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Patent number: 7384464Abstract: The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compound of the general formula (I): wherein G1 and G2 are independently alkyl 1 to 4 carbon atoms or are together pentamethylene; Z1 and Z2 are each methyl, or Z1 and Z2 together form an unsubstituted linking moiety or a linking moiety substituted by one or more groups selected from an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or an urethane group; E is alkoxy of 1 to 18 carbon atoms, cycloalkoxy of 5 to 12 carbon atoms or aralkoxy of 7 to 15 carbon atoms, or E is —O-T-(OH)b; T is a straight or branched chain alkylene of 1 to 18 carbon atoms, cycloalkylene of 5 to 18 carbon atoms, cycloalkenylene of 5 to 18 carbon atoms, a straight or branched chain alkylene of 1 to 4 carbon atoms substituted by phenyl or by phenyl substituted by one or two alkyl groups of 1 to 4 carbon atoms; b is 1, 2 or 3 with the proviso that b cannot exceed theType: GrantFiled: March 22, 2005Date of Patent: June 10, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Mervin G. Wood, Robert E. Detlefsen, Joseph Suhadolnik, Walter Renz
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Patent number: 7377972Abstract: An aqueous printing fluid, comprising a cosolvent, the cosolvent or mixture of compounds comprising at least one inner salt compound having a sp3-hybridized nitrogen cation and an associated anionic charge either isolated on an N-substituted oxygen anion bound directly to the sp3-hybridized nitrogen cation or isolated among the oxygens of a carboxylate group; a method of avoiding paper curl in printed paper by using the above-described aqueous printing fluid; and a printer system for avoiding paper curl in printed paper through using the above-described aqueous printing fluid.Type: GrantFiled: September 27, 2004Date of Patent: May 27, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventors: Gary W Byers, Richard Anderson, Mark L. Choy