Five-ring Members In The Heteroyclic Ring Patents (Class 106/31.78)
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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: 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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Publication number: 20090025604Abstract: A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (1): wherein one of R1 and R2 is hydrogen and the other one of R1 and R2 represents —COOR4; R4 and R5 represent methyl; R3 is selected from the group consisting of: with C* representing the point of attachment of R3 to the nitrogen in Formula (I); and having a pigment surface including between 2.0 and 30.0 weight %, based upon the total weight of the pigment of a second compound according to Formula (I), wherein —R1, R2, R3, R4 and R5 have the same meaning as above with the exception that at least one of R4 and R5 represents hydrogen. Also, methods of preparation of the pigment and non-aqueous pigment dispersions.Type: ApplicationFiled: November 28, 2006Publication date: January 29, 2009Applicant: AGFA GRAPHICS NVInventors: Geert Deroover, Jan Gilleir
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Publication number: 20090020037Abstract: The present invention pertains to an aqueous inkjet ink comprising anionic self-dispersing pigment, a certain mixture of alkali metal cations and a certain humectant. The inks exhibit greatly extended latency.Type: ApplicationFiled: April 15, 2008Publication date: January 22, 2009Inventor: Christian Jackson
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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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Publication number: 20080308005Abstract: A non-aqueous pigment dispersion comprising a diketopyrrolo-pyrrole pigment, a polymeric dispersant and a dispersion synergist in a non-aqueous dispersion medium characterized in that said dispersion synergist is a diketopyrrolo-pyrrole derivative according to Formula (I): wherein R1, R2 and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group and an acid group; R4, R5 and R6 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group and a cyano group; and characterized in that one of R7 and R8 is a group comprising two acid functions while the other one of R7 and R8 represents hydrogen.Type: ApplicationFiled: November 28, 2006Publication date: December 18, 2008Applicant: AGFA GRAPHICS NVInventor: Geert Deroover
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Publication number: 20080308006Abstract: A diketopyrrolo-pyrrole compound according to Formula (I): wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group, and an acid group; R4—, R5, and R6 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, and a cyano group; and wherein one of R7 and R8 is a group including two acid functions while the other one of R7 and R8 represents hydrogen. Pigment dispersions, methods for forming pigment dispersions, and use of the diketopyrrolo-pyrrole compound may include Formula (I).Type: ApplicationFiled: November 28, 2006Publication date: December 18, 2008Applicant: AGFA GRAPHICS NVInventor: Geert Deroover
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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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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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Patent number: 7416595Abstract: An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a class of glycol, a class of polyol, and glycerin is 0-20% by weight, and a surface tension of the ink-jet ink is 18-27 mN/m; wherein Component (A) is 1,3-dimethyl-2-imidazolidinone or ?-butyrolactone, Component (B) is water, and Component (C) is a pigment.Type: GrantFiled: February 1, 2007Date of Patent: August 26, 2008Assignee: Konica Minolta Holdings, Inc.Inventors: Kenichi Ohkubo, Hisato Kato, Makoto Kaga, Yoshinori Tsubaki, Kumiko Furuno
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Patent number: 7407536Abstract: An ink composition containing an organic solvent and a pigment, which has a little amount of smell, excellent safety and health properties, excellent resin solubility, excellent printing stability and excellent drying properties, causes no corrosion to a printer, and is excellent in adhesion to non-absorbable printing media and good printability, wherein the ink composition comprises as the organic solvent at least one compound selected from compounds represented by the formulae (1) to (3), wherein each of R1, R2, R3, R4, R7 and R8 independently represents an alkylene group having 1 to 4 carbon atoms or an alkenylene group having 2 to 4 carbon atoms and each of R5, R6 and R9 independently represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms.Type: GrantFiled: November 27, 2006Date of Patent: August 5, 2008Assignee: Toyo Ink Mfg. Co., Ltd.Inventors: Kaori Nakano, Ken Yamasaki, Seiji Aida, Takahiko Uesugi, Nozomi Tsushima
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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: 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: 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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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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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: 7393396Abstract: The invention provides a process for producing homogeneous and storage-stable pastes, inks, paints, coverings, coatings and coating materials which comprises using ionic liquids as dispersing additives.Type: GrantFiled: February 16, 2005Date of Patent: July 1, 2008Assignee: Goldschmidt GmbHInventors: Kathrin Lehmann, Stefan Silber, Bernd Weyershausen
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Patent number: 7387670Abstract: A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I), in which n is a number 1, 2, 3 or 4.Type: GrantFiled: February 22, 2005Date of Patent: June 17, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Joachim Weber, Manfred Opravil, Magali Meder, Hans-Tobias Macholdt
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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: 7384472Abstract: The invention concerns a pigment preparation based on C.I. Pigment Yellow 155, containing 0.1% to 50% by weight, based on the weight of C.I. Pigment Yellow 155, of at least one pigment dispersant from the group of monoazo or disazo pigments substituted with at least one sulfonic acid group, characterized in that it has a chroma C greater than 53 in the CIELAB system in a solventborne alkyd melamine varnish comprising a 6.7% by weight concentration of the pigment preparation, and/or in that it has a chroma C greater than 35 in the CIELAB system in an aqueous base varnish system in a white reduction comprising a 0.2% by weight concentration of the pigment preparation in white reduction.Type: GrantFiled: March 14, 2007Date of Patent: June 10, 2008Assignee: Clariant International Ltd.Inventors: Karl-Heinz Schweikart, Jean-Philippe Lerch, Laurent Pourcheron
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Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus
Patent number: 7381257Abstract: An aqueous ink to be used in an ink jet recording containing a green pigment having a copper phthalocyanine skeleton, wherein a proportion of the K?-line intensity of a chlorine atom to the K?-line intensity of a bromine atom obtained by subjecting the green pigment to X-ray fluorescence analysis is 3.3 or more to 10.0 or less.Type: GrantFiled: February 13, 2007Date of Patent: June 3, 2008Assignee: Canon Kabushiki KaishaInventors: Hideki Takayama, Shinichi Hakamada, Masako Udagawa, Kouhei Nakagawa, Hirofumi Ichinose, Nobuyuki Matsumoto -
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
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Publication number: 20080118657Abstract: The present invention is drawn to ink compositions and methods for ink-jet recording. The ink-jet ink can comprise water and at least 20 wt % solids. The solids can include pigment particulates and silica particulates dispersed in the ink-jet ink, as well as solid humectant substantially dissolved in the ink-jet ink. The pigment particulates, silica particulates, and solid humectant substantially remain with a dried image that is printed using the ink-jet ink of the present invention.Type: ApplicationFiled: November 20, 2006Publication date: May 22, 2008Inventors: Liat Taverizatshy, Or Brandstein, Efrat Soroker, Eylan Cohen
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Publication number: 20080110369Abstract: 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: ApplicationFiled: October 21, 2005Publication date: May 15, 2008Inventors: John Mayall, Prakash Patel
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Publication number: 20080098927Abstract: A pigmented phase change ink composition comprising an ink carrier, a dispersing agent, and pigment particles. The ink can be resistant to substantial aggregation and settling of the pigment particles in the melt and even when exposed to freeze thaw cycles.Type: ApplicationFiled: October 26, 2006Publication date: May 1, 2008Applicant: XEROX CORPORATIONInventors: C. Geoffrey ALLEN, Adela GOREDEMA, Stephan V. DRAPPEL, Neha KHARBANDA, Caroline M. Turek, Eniko TOMA, Christopher A. WAGNER
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Publication number: 20080074480Abstract: An ink composition is provided that includes (A) an N-vinyllactam, (B) a polymerization initiator, (C) a basic compound, (D) a colorant, and (E) a dispersant, the content of the N-vinyllactam (A) being at least 15 wt % of the total weight of the ink composition, and the dispersant (E) being an acidic dispersant. There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition onto a recording medium, and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. Furthermore, there is provided a printed material recorded by the inkjet recording method.Type: ApplicationFiled: September 19, 2007Publication date: March 27, 2008Applicant: FUJIFILM CORPORATIONInventors: Kaoru TOJO, Hironori OHNISHI
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Publication number: 20080066643Abstract: 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: ApplicationFiled: September 4, 2007Publication date: March 20, 2008Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yasuhiro Taga, Kazuma Goto
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Publication number: 20080035026Abstract: Phthalocyanine pigments having 0-4 chlorine atoms have a narrow particle-size range with 90% of particles between about 0.01-0.10 ?m, the average particle size of no more than about 0.5 ?m, a D99 of no more than about 0.3 ?m, and a polydispersity of about 2.0 or less. Pigment compositions contain the phthalocyanine pigment and water-based dispersing resin. The pigments and the compositions are compatible with waterborne coating systems, exhibit an excellent metallic down travel, and are especially useful for the automotive painting applications.Type: ApplicationFiled: August 9, 2006Publication date: February 14, 2008Applicant: Sun Chemical CorporationInventors: Bethany J. Wolf, Brian Thompson, Wengan Wu, Richard K. Faubion
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Publication number: 20080036838Abstract: An ink composition for inkjet recording, and more particularly, an ink composition for inkjet recording in which bleeding between colors of a printed image is reduced, and dry and wet rub fastness of a printed image are improved. The ink composition includes an oxylate-based compound and an amide compound.Type: ApplicationFiled: November 30, 2006Publication date: February 14, 2008Inventors: In-hye Kim, Jong-in Lee
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Patent number: 7323045Abstract: Objects of the present invention are to provide a magenta ink composition having good light-fastness and gas resistance, and excellent moisture resistance and clogging resistance, and to provide a magenta ink composition having excellent colorability in addition to these characteristics. The present invention provides a magenta ink composition containing, as colorants, at least one selected from compounds represented by undermentioned formula (1) and salts thereof, and at least one selected from compounds represented by undermentioned formula (2) and salts thereof. Moreover, the present invention also provides a magenta ink composition containing, as colorants, the above and in addition at least one selected from compounds represented by undermentioned formula (3). (Definitions of the symbols in the formulae are as in the claims.Type: GrantFiled: September 28, 2004Date of Patent: January 29, 2008Assignee: Seiko Epson CorporationInventors: Masahiro Hanmura, Kazuhiko Kitamura
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Patent number: 7323046Abstract: Phthalocyanine pigments having 0-4 chlorine atoms have a narrow particle-size range with 90% of particles between about 0.01-0.10 ?m, the average particle size of no more than about 0.5 ?m, a D99 of no more than about 0.3 ?m, and a polydispersity of about 2.0 or less. Pigment compositions contain the phthalocyanine pigment and water-based dispersing resin. The pigments and the compositions are compatible with waterborne coating systems, exhibit an excellent metallic down travel, and are especially useful for the automotive painting applications.Type: GrantFiled: August 9, 2006Date of Patent: January 29, 2008Assignee: Sun Chemical CorporationInventors: Bethany J. Wolf, Brian Thompson, Wengan Wu, Richard K. Faubion
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Patent number: 7318860Abstract: A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio of C.I. Pigment Yellow 214 to the at least one copper phthalocyanine pigment being in the range from 1:20 to 20:1. The inventive pigment preparation are especially suitable for the low-warpage colouring of semicrystalline plastics with pure green tones.Type: GrantFiled: October 30, 2004Date of Patent: January 15, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Heinfred Ohleier, Joachim Weber, Olaf Schupp
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Patent number: 7314510Abstract: The present invention provides an ink jet liquid composition including chitosan and a non-volatile organic acid. The non-volatile organic acid preferably has two or more carboxyl groups and a cyclic structure other than an aromatic ring. Further, the invention provides an ink jet recording method of forming images on a recording medium surface by ejecting an ink and a liquid composition thereon so that the ink and the liquid are in contact with each other, wherein the ink contains a colorant, the liquid composition contains a component for coagulating the colorant, and the component for coagulating the colorant contains chitosan and a non-volatile organic acid.Type: GrantFiled: September 14, 2004Date of Patent: January 1, 2008Assignee: Fuji Xerox Co., Ltd.Inventor: Hiroyuki Ueki
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Patent number: 7314273Abstract: A process for preparing a mixture of copper phthalocyanine dyes of Formula (1): CuPc(SO3M)x(SO2NH2)y, wherein: CuPc is copper phthalocyanine; M is a cation; x and y each independently have a value of from 0.5 to 3.5; and (x+y)=2 to 5; which process includes: chlorosulphonating a copper phthalocyanine compound using a chlorosulphonating agent; and condensing the product of step (i) with ammonia to give a mixture of copper phthalocyanine dyes of Formula (1); optionally exchanging the cation M in the mixture of copper phthalocyanine dyes of Formula (1) resulting from step (ii) for an alternative cation M; wherein the chlorosulphonating agent includes a mixture of chlorosulphonic acid and a chlorinating agent selected from phosphorous oxychloride and phosphorous trichloride.Type: GrantFiled: February 13, 2003Date of Patent: January 1, 2008Assignee: Fujifilm Imaging Colorants LimitedInventors: Colin Dick Robertson, Jill Louise Johnson, Prakash Patel
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Patent number: 7314511Abstract: A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compoundsType: GrantFiled: July 30, 2003Date of Patent: January 1, 2008Assignee: Fujifilm Imaging Colorants LimitedInventors: James Stanley Campbell, Kathryn Carr, Russell Jon Griffiths
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Patent number: 7309389Abstract: The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.Type: GrantFiled: June 9, 2006Date of Patent: December 18, 2007Assignee: Clariant Finance (BVI) LimitedInventors: Ruediger Baur, Hans-Tobias Macholdt, Uwe Nickel, Leonhard Unverdorben, Christian Wille
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Patent number: 7303615Abstract: There is provided a colorant material comprising a compound represented by at least one of the following general formulas (1) and (2) as a first colorant compound and at least one of a water insoluble triphenylmethane compound and a water insoluble xanthene compound as a second colorant compoundType: GrantFiled: February 24, 2005Date of Patent: December 4, 2007Assignee: Canon Kabushiki KaishaInventors: Yuko Yamagishi, Yasuaki Murai, Takeshi Miyazaki
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Patent number: 7300511Abstract: Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. % pigment.Type: GrantFiled: July 1, 2005Date of Patent: November 27, 2007Assignee: Sun Chemical CorporationInventors: Gregory T. Huber, Tatiana N. Romanova, Russell J. Schwartz, Lisa Clapp, Terrance R. Chamberlain, Don Henderson
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Patent number: 7300503Abstract: A phthalocyanine dye mixture having a specific structure, an ink using the dye mixture, an inkjet recording ink, an inkjet recording method and a method for improving preservability of image formed are provided.Type: GrantFiled: July 20, 2005Date of Patent: November 27, 2007Assignee: Fujifilm CorporationInventors: Keiichi Tateishi, Yoshiharu Yabuki, Shigeaki Tanaka
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Patent number: 7294183Abstract: An inkjet ink having an increased shelf life. The inkjet ink comprises an ink vehicle and a reactive colorant. The reactive colorant is nonreactive with water,thereby increasing the shelf life of the inkjet ink to greater than approximately twelve months. An inkjet printing system comprising the inkjet ink and an activating agent is also disclosed. A reactive colorant of the inkjet ink is nonreactive with water but is sufficiently reactive with the activating agent to form an activated complex to fix the reactive colorant to a textile substrate. A method of printing on a textile substrate is also disclosed.Type: GrantFiled: October 25, 2002Date of Patent: November 13, 2007Assignee: Hewlett-Packard Development Company, L.P.Inventor: David Tyvoll
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Patent number: 7291213Abstract: An ink composition comprising: a coloring agent having an oxidation potential of more electropositive than 1.0V (vs SCE); a water; a guanidine compound; and a surfactant, the ink composition to be used in inkjet recording and an inkjet recording method with the use of the ink composition.Type: GrantFiled: August 23, 2005Date of Patent: November 6, 2007Assignee: Fujifilm CorporationInventors: Manabu Ogawa, Keiichi Tateishi
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Patent number: 7282090Abstract: An ink jet ink includes at least a coloring material. The coloring material is composed of at least one selected from the group consisting of C.I.Type: GrantFiled: February 27, 2006Date of Patent: October 16, 2007Assignee: Canon Kabushiki KaishaInventors: Koichi Osumi, Sadayuki Sugama
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Patent number: 7279033Abstract: An ink-jet ink containing a colorless, water-soluble, planar compound having more than ten delocalized pi-electrons per molecule.Type: GrantFiled: September 9, 2004Date of Patent: October 9, 2007Assignee: Fujifilm CorporationInventors: Yoshiharu Yabuki, Toshiki Taguchi, Makoto Suzuki
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Patent number: 7273898Abstract: It is an object of the present invention to provide an ink jet recording ink with excellent storage stability, with which no mold or other microbes will be generated over an extended period. The ink jet recording ink of the present invention contains water and a colorant comprising a pigment encapsulated by a polymer having a carboxyl group, wherein this ink jet recording ink is characterized by containing at least methylisothiazolone and octylisothiazolone.Type: GrantFiled: November 14, 2003Date of Patent: September 25, 2007Assignee: Seiko Epson CorporationInventor: Masahiro Yatake
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Patent number: 7270699Abstract: The invention provides an ink set for ink-jet recording that is able to form an image having a sufficient optical density and causing no feathering and intercolor bleed within a short period of time while being excellent in reliability of the maintenance unit. The ink set comprises at least a liquid (a) containing a colorant, water soluble solvent and water; a liquid (b) containing a pH adjusting agent, water soluble solvent and water; and a liquid (c). The ink set satisfies any one of the conditions in the first embodiment: (i) the colorant is anionic, (ii) the liquid (b) has a pH of not higher than 6.5, (iii) the liquid (c) has a pH of not lower than 8.0, and (iv) the mixed liquid of the liquid (b) and the liquid (c) in a mass ratio of 1:1 has a pH of not lower than 7; or the second embodiment: (i) the colorant is cationic, (ii) the liquid (b) has a pH of not lower than 8.5, (iii) the liquid (c) has a pH of not higher than 6.Type: GrantFiled: September 1, 2004Date of Patent: September 18, 2007Assignee: Fuji Xerox Co., Ltd.Inventor: Takatsugu Doi
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Patent number: 7270703Abstract: To provide a novel phthalocyanine compound, and an inkjet ink and inkjet recording method capable of an image having an excellent hue, fastness to light and ozone gas resistance. To provide various coloring compositions such as an ink sheet for heat-sensitive recording material, color toner for electrophotography, and color filter, and to provide improving method of oxidation resistance of an image. [Means for Resolution] A phthalocyanine compound substituted with —SO2NH—Z (Z represents a heterocyclic group) in at least one combination of 2 and 3, 6 and 7, 10 and 11, and 14 and 15-positions, wherein at least one of the 1 to 16-positions has two or more carbon atoms and the total number of the carbon atom thereof is 8 or more, inkjet ink using the compound, ink sheet, color toner and a color filter composition, which use the compound.Type: GrantFiled: June 21, 2002Date of Patent: September 18, 2007Assignee: Fujifilm CorporationInventors: Keiichi Tateishi, Masaki Noro, Yoshiharu Yabuki, Tadashi Omatsu
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Patent number: 7255733Abstract: A process for the production of a ? type copper phthalocyanine pigment, comprising dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 ?m at a temperature of 180 to 50° C., to prepare an ?/? mixed crystal type copper phthalocyanine having an ? ratio of 5 to 35%, and treating the dry-milled product with a water-miscible organic solvent, wherein 0.1 to 20% by weight of at least one compound selected from the group consisting of a compound of the formula (1), a compound of the formula (2) and a compound of the formula (3) is added to the dry-milled product before, during or after the step (B) MePc—{X—(CH2)kNR1R2}n??(1) MePc—(SO3?N+R5R6R7R8)p.Type: GrantFiled: June 18, 2004Date of Patent: August 14, 2007Assignee: Toyo Ink Mfg. Co., Ltd.Inventors: Osamu Shiromaru, Yusaku Ide, Toshio Oshiba, Takuya Kotani
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Patent number: 7255734Abstract: A copper phthalocyanine pigment preparation contains a copper phthalocyanine pigment and at least one pigment dispersant from the group of copper phthalocyanine sulfonic acids and copper phthalocyanine sulfonic acid salts. The inventive pigment preparation is characterized by a) a maximum dynamic viscosity of 180 mPas and/or a maximum thixotropy of 800 Pa/s, the dynamic viscosity and the thixotropy being determined by a rotary viscometer at a temperature of 23° C. in a pigment dispersion comprising 28 percent by weight of dry copper phthalocyanine pigment preparation, 9 percent by weight of nitrocellulose, 62.3 percent by weight of ethanol, and 0.7 percent by weight of ethyl acetate; and b) a color intensity such that a printing ink consisting of an ethanol/nitrocellulose gravure varnish, containing 75 to 65 percent by weight of ethanol and 9 to 11 percent by weight of nitrocellulose at a ratio of 2 to 7.5, and a maximum amount of dry copper phthalocyanine pigment preparation of 6.Type: GrantFiled: December 4, 2003Date of Patent: August 14, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Klaus Brychcy, Joachim Weber
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Publication number: 20070182796Abstract: An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a class of glycol, a class of polyol, and glycerin is 0-20% by weight, and a surface tension of the ink-jet ink is 18-27 mN/m; wherein Component (A) is 1,3-dimethyl-2-imidazolidinone or ?-butyrolactone, Component (B) is water, and Component (C) is a pigment.Type: ApplicationFiled: February 1, 2007Publication date: August 9, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Kenichi OHKUBO, Hisato KATO, Makoto KAGA, Yoshinori TSUBAKI, Kumiko FURUNO
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Patent number: 7250077Abstract: An aggregation stabilizer is further added to an ink composition for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that is condensation-polymerized in the absence of the water. With this aggregation stabilizer, a hardly-soluble or insoluble component formed by the colorant and the water-soluble substance is modified so as to be readily dissolved in water, whereby generation of an aggregate in the ink is prevented.Type: GrantFiled: May 19, 2003Date of Patent: July 31, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hidekazu Arase, Mamoru Soga