Invisible, Ballpoint, Or Typewriter Ink Compositions Or Process Of Preparing; Or Composition For Correction Ribbons Or Correction Fluids Or Process Of Preparing Patents (Class 523/161)
  • Patent number: 8592503
    Abstract: The invention relates to an aqueous magenta inkjet ink composition for use in ink jet printers comprising a mixture of a self-dispersed magenta pigment surface modified with functional group and a xanthene dye. The magenta ink of the present invention also contains an aqueous carrier, a polymeric additive, a surfactant, and a specific cosolvent mixture selected from the group consisting of a C2-C8 terminal alkanediol, cyclic amide compound and its derivative, trihydric alcohol and mixtures thereof. Preferably, the magenta pigment is surface modified with bisphosphonate or sulfonate group, most preferably bisphosphonate group. The magenta inkjet ink demonstrates excellent stability, good chroma and maintenance characteristics and high heater reliability in permanent and semi permanent printheads. The ink also reduced post print paper curl without sacrificing print quality.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: November 26, 2013
    Assignee: Funai Electric Co., Ltd.
    Inventors: Rahel Bekru Bogale, Agnes Kam Zimmer
  • Patent number: 8586656
    Abstract: An ink composition for ink-jet printing does not cause clogging of nozzles of an ink-jet printer during printing, thereby providing a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2-pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: November 19, 2013
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Toshihiko Shiotani, Tetsuo Sugawa, Takehiro Kotera, Yusuke Mizutaki, Mikio Kuwahara, Kenji Hayashi, Hiroki Hayashi, Shuji Sano, Tsuneo Shirota, Katsutaka Nakatsu
  • Patent number: 8585816
    Abstract: The present invention relates to dispersions comprising particulate materials and a solvent, with an optional dispersant. The solvent has a low dielectric constant, and the particulate material is present at high loading levels. The resulting dispersion has been found to be stable and have a low viscosity, even at high particulate material loadings. Various uses for these dispersions are also disclosed.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: November 19, 2013
    Assignee: Cabot Corporation
    Inventors: Anne K. Shim, Eugene N. Step, Agathagelos Kyrlidis, Lang Nguyen, Ian D. Morrison
  • Patent number: 8586648
    Abstract: An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: November 19, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Takafumi Hosokawa, Misato Sasada, Naoya Shibata
  • Patent number: 8586647
    Abstract: The present invention provides a recording ink set containing a black ink, a cyan ink, a magenta ink, and a yellow ink, each of which contains water, a water-insoluble color material, a water-soluble organic solvent, and a surfactant, wherein the black ink and at least one of the inks other than the black ink respectively contain a different water-soluble organic solvent; and the surface tension of the water-soluble organic solvent(s) used only for the inks other than the black ink is higher than that of the water-soluble organic solvent used only for the black ink; and the present invention also provides a recording method using the recording ink set.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: November 19, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Mariko Kojima, Akihiko Gotoh, Michihiko Namba, Kiyofumi Nagai, Naoya Morohoshi, Tohru Ohshima
  • Patent number: 8580878
    Abstract: The invention relates to a printing ink or printing varnish containing non-radiation-curable, preferably aromatic polycarbonate, in particular as a binder and adhesive component. According to the invention, the polycarbonate is provided with radiation-curable monomers, in particular is dissolved therein.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: November 12, 2013
    Assignee: Marabu GmbH & Co. KG
    Inventors: Martin Hauck, Wolfgang Schaefer, Roland Kuenzel, Klaus Meyer, Norbert Kinzel
  • Patent number: 8580868
    Abstract: The invention provides a water-based ink composition including: a water-based medium, a colored particle containing a pigment and a water-insoluble polymer dispersant, and a self-dispersing polymer particle including a hydrophilic constituent unit, and a hydrophobic constituent unit derived from alicyclic (meth)acrylate, as well as an ink set comprising the water-based ink composition, and an image forming method using the aqueaous ink composition or the ink set.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: November 12, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Takahiro Kato, Akio Tamura, Takahiro Ishizuka, Terukazu Yanagi
  • Patent number: 8569394
    Abstract: An active light-curable ink composition contains a polymerizable compound, a color material having an absorption peak in a wavelength region, and a polymerization initiator having an absorption peak in a different wavelength region from the color material.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: October 29, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Satoru Miura
  • Patent number: 8569398
    Abstract: A fully curable jettable composition having a viscosity less than 30 cps at a temperature within the range of 15° C.-180° C. comprising (i) at least one low viscosity reactive resin; (ii) at least one higher viscosity resin having a viscosity greater than twice that of the low viscosity resin and a functionality of greater than or equal to 2; (iii) at least one curable toughener, (iv) at least one initiator for the polymerization of the resins, and (v) at least one stabilizer for delaying the curing of the resins of the composition. The composition can be jetted from piezo electric printing heads under the control of a computer program to form a multi-layered article, for example, a three dimensional article, in which the adjacent droplets merge and are cured homogeneously together.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: October 29, 2013
    Assignee: 3D Systems, Inc.
    Inventors: Ranjana C. Patel, Yong Zhao, Richard John Peace
  • Patent number: 8562235
    Abstract: An ink composition for an aqueous ink ball point pen with which a sufficiently high line intensity is obtained even when a thermochromic microcapsule pigment having a small average particle diameter is used and which is excellent in storage stability and a writing performance is provided with such a constitution that it contains at least a microcapsule pigment which has an average particle diameter of 0.1 to 1.0 ?m and in which a wall film is formed by an amino resin and a chemical substance which is a polymer comprising ketone as a main chain and has an acidic functional group in the chemical structure and which has an acid value of 3 to 40 (mgKOH/g).
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: October 22, 2013
    Assignee: Mitsubishi Pencil Co., Ltd.
    Inventors: Hideaki Toomi, Masanao Yano, Takeshi Hayakawa, Syuji Ichikawa
  • Patent number: 8557032
    Abstract: The object of the invention is to provide an inkjet recording oil green ink composition that excels more in terms of all the quality of prints, stability on printing, the ability of prints to be dried, and ink storage stability, and is capable of making wider a color reproduction area expressed by yellow and cyan. The inkjet recording oil green ink composition contains as an organic green pigment coloring agent C. I. Pigment Green 58 comprising a (poly) halogenated zinc phthalocyanine. The invention also provides an ink set comprises the inventive oil green ink composition and further includes at least an oil yellow ink composition and an oil cyan ink composition.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: October 15, 2013
    Assignee: The Inctec Inc.
    Inventors: Yukio Sugita, Mitsuyoshi Tamura, Fumie Yamazaki, Mitsuteru Yamada, Naoki Shiraishi
  • Patent number: 8557894
    Abstract: An ink formulation that includes a reversible color-developing complex formed from a dye precursor molecule having a triarylmethane derivative structure modified with a leaving-group (L) that disassociates from said dye precursor when subjected to environmental conditions of either a neutral or acidic pH value is described. Also the invention pertains to diagnostic indicators or absorbent personal care products that have the ink formulation applied to at least a part of the product.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: October 15, 2013
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: JunMo Gil, Xuedong Song
  • Patent number: 8552089
    Abstract: There is provided an ink composition for forming a light shielding film in an organic semiconductor device which is capable of stably forming a fine pattern when forming a finely patterned light shielding film by the letterpress reverse printing method or microcontact printing method, which can be baked at a temperature equal to or less than the substrate heatproof temperature, and which is also capable of providing light shielding property and mechanical strength, the ink composition for forming a light shielding film in an organic semiconductor device which is an ink composition for forming a light shielding film in an organic semiconductor device comprising a black pigment; a resin component; a surface energy modifier; a quick-drying organic solvent; a slow-drying organic solvent; and a mold releasing agent, wherein the resin component comprises a solid resin that is in a solid state at 200° C. or less and a liquid resin that is in a liquid state at 10 to 50° C. at a ratio (solid resin/liquid resin) of 0.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: October 8, 2013
    Assignee: DIC Corporation
    Inventors: Hideki Etori, Hiroshi Isozumi, Masanori Kasai
  • Patent number: 8536245
    Abstract: An ink composition comprises a pigment coated with a water-insoluble polymer as a coloring material, a resin emulsion as an additive, water, and a water-soluble organic compound. The weight average molecular weight of the water-insoluble polymer is from 50,000 to 150,000. The resin emulsion comprises a resin comprising a monomer component of the same kind as the monomer component constituting the water-insoluble polymer and has a weight average molecular weight of 1.5 to 4 times that of the water-insoluble polymer. The average particle size of the resin emulsion is from 20 to 200 nm, and the average particle size of pigment particles in the ink composition ranges from 50 to 150 nm.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: September 17, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Miharu Kanaya, Tetsuya Aoyama, Masahiro Hanmura
  • Patent number: 8536246
    Abstract: The present invention provides an inkjet ink composition including color material particles, a water soluble polymerizable compound, a water soluble silicate salt and water, which is excellent in ejection stability even in a case in which the ink composition is stopped from ejecting in the inkjet recording device and left alone for a certain period of time, and ejection of the ink composition is resumed thereafter, which has a good maintenance property, and in which abrasion resistance of images formed with the ink composition is excellent; an ink set including the inkjet ink composition; and an image forming method using the ink set.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: September 17, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Jun Matsumoto, Masao Ikoshi
  • Patent number: 8524801
    Abstract: The first invention relates to a water-based ink for ink-jet printing which includes colorant-containing polymer particles (A) obtained by dispersing a colorant with a water-soluble polymer (x) and a water-insoluble polymer (y), a water-soluble organic solvent (B) and water, wherein a weight ratio of the water-insoluble polymer (y) to the water-soluble polymer (x) [(y)/(x)] is from 2.0 to 5.0, and a content of the water-soluble organic solvent (B) in the ink is from 10 to 70% by weight. The water-based ink for ink-jet printing according to the first invention is excellent in ejection property and optical density and exhibits a low viscosity.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: September 3, 2013
    Assignee: Kao Corporation
    Inventors: Hiroyuki Yoshida, Tsuyoshi Oda, Takahiro Sato, Yusuke Shimizu, Koji Kamei, Toshiya Iwasaki
  • Patent number: 8524802
    Abstract: A ball point pen ink composition having viscosity of at least 500 cps at 25° C. comprising 5-25% of slow evaporating organic solvent, 20-55% fast evaporating solvent, 16 to 36% of resin, 0.1 to 2% of structural viscosity imparting agent, 0.05 to 1% of polyvinyl pyrrolidone, 0.1 to 25% of lubricant, 3-25% of colorant, and 0.01 to 3% of amines/polyamines and/or 0.1 to 20% diols or polyols as associative thickening agents/additives; amines and/or diols or polyols capable of forming temporary bridging between silica particles at the same time forming associative coupling between amines itself and diols or polyol itself to obtain the ink composition having ultra low viscosity of about at least 500 cps and yet preventing leakage. The ink composition prevents leakage, bobbling and other defects associated with the prior art and at the same time gives pleasure while writing. The pen comprising, the above ink, is manufactured by the process of the invention.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: September 3, 2013
    Inventors: Manish Babulal Shah, Manish Swetal Shah, Vinod Chintamani Malshe
  • Patent number: 8524795
    Abstract: A radiation curable ink composition has improved adhesion towards rigid recording media, good jetting behavior and no or minimal health and safety risks. The radiation curable ink has a viscosity of 30 mPa·s, or less, at 50° C.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: September 3, 2013
    Assignee: Oce-Technologies B.V.
    Inventors: Franciscus H. M. Stappers, Peter M. A. Wetjens, Hendrik J. A. Ogrinc, Gerardus C. P. Vercoulen
  • Patent number: 8519022
    Abstract: An extender for flexographic and other ink compositions and inks using such extender where potato starch serves as the ink carrier and an emulsion resin. The use of potato starch provides for a readily available, cost effective, substantial and environmentally friendly alternative to petroleum and soy based resins.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: August 27, 2013
    Assignee: International Paper Company
    Inventors: David Wallack, Doug Miller
  • Patent number: 8513332
    Abstract: Disclosed is a color filter ink composition that includes an acrylic-based copolymer resin including repeating units represented by a particular chemical formula, a polymerizable monomer, a pigment, and a solvent. According to the present invention, the color filter ink composition can have excellent ejection properties and ejection stability by using a new acrylic-based copolymer resin as a binder resin, and also can have excellent storage stability, so that it can be used for a long period. In addition, a pattern formed using the color filter ink composition can have improved heat resistance, chemical resistance, and film strength.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: August 20, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Jong-Seung Park, In-Jae Lee, Jin-Ki Hong, Seung-Joo Shin, Sung-Woong Kim, Tae-Woon Cha
  • Patent number: 8507584
    Abstract: Disclosed is a phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising at least one radically curable monomer compound and a compound of the formula wherein R1 and R1? are the same, and wherein R1 and R1? are each an aromatic group; and wherein R2 and R2? and R3 each, independently of the others, are alkylene groups, arylene groups, arylalkylene groups, or alkylarylene groups; or wherein, in embodiments, R1 and R1? can be the same or different, and wherein R1 and R1? each, independently of the other is an alkyl group having a least one ethylenic unsaturation, an arylalkyl group having at least one ethylenic unsaturation, an alkylaryl group having at least one ethylenic unsaturation, or an aromatic group, provided that at least one of R1 and R1? is an aromatic group; and provided that neither of R1 or R1? is a photoinitiator group. Also disclosed herein is a method of printing with the phase change ink.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: August 13, 2013
    Assignee: Xerox Corporation
    Inventors: Naveen Chopra, Michelle N. Chretien, Barkev Keoshkerian, Jennifer L. Belelie, Peter G. Odell
  • Patent number: 8507585
    Abstract: A non-aqueous pigment ink comprising a pigment, a non-aqueous solvent, and non-aqueous resin dispersion microparticles having a pigment dispersion capability, wherein the non-aqueous resin dispersion microparticles are an acrylic polymer comprising an alkyl (meth)acrylate unit having an alkyl group of 12 or more carbon atoms and a (meth)acrylate unit having a urethane group. The acrylic polymer is a copolymer of a monomer mixture comprising an alkyl (meth)acrylate (A) having an alkyl group of 12 or more carbon atoms and a reactive (meth)acrylate (B) having a functional group capable of reacting with an amino group, wherein the urethane group is introduced by a reaction between the functional group capable of reacting with an amino group, an amino alcohol and a polyvalent isocyanate compound, and the mass ratio within the acrylic polymer between the copolymer portion and the introduced urethane group portions is within a range from 60:40 to 99:1.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: August 13, 2013
    Assignee: Riso Kagaku Corporation
    Inventors: Tetsuo Hosoya, Hiroshi Hayashi, Yoshifumi Watanabe, Kazuyuki Ando, Marie Morinaga
  • Patent number: 8507583
    Abstract: An actinic energy radiation curable ink-jet ink comprising an actinic energy radiation polymerizable compound, wherein the actinic energy radiation polymerizable compound comprises a vinyl ether compound, a total content of the vinyl ether compound is 30% or more by mass, the vinyl ether compound comprises a bis-vinyl ether compound and a multifunctional vinyl compound having three or more vinyl ether groups, 10 to 70% by mass of the ink is the bis-vinyl ether compound, and 5 to 70% by mass of the ink is the multifunctional vinyl compound having three or more vinyl ether groups.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: August 13, 2013
    Assignee: Konica Minolta IJ Technologies, Inc.
    Inventors: Atsushi Nakajima, Masaki Nakamura
  • Patent number: 8501852
    Abstract: The invention relates to a method for improving the wettability and/or adhesivity of plastic surfaces, in particular, to facilitate printing, painting or adhesion. A lubricant is added to the plastic, particularly to improve the processability thereof. According to the invention, a metal soap-free lubricant is used as a lubricant for the plastic. Alternatively, the wettability and/or the adhesivity of the polyamide surfaces can be improved, especially in order to facilitate printing, painting or adhesion, by increasing the number of end groups of polyamides, optionally maintaining metal soaps as lubricants.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: August 6, 2013
    Assignee: Phoenix Contact GmbH & Co. KG
    Inventors: Joachim Jacke, Albrecht Schierholz
  • Patent number: 8501835
    Abstract: An ink composition for roll printing is provided. The ink composition uses a solvent system having an evaporation rate (Vt) of at least 0.1 mg/cm2·min and an absorption rate (St) into a blanket of less than 3.412 mg/cm2·min. The use of the highly volatile solvent system can minimize swelling of the blanket without impairing the dispersibility of a pigment in the ink composition. Therefore, the uniformity of a pattern formed using the ink composition can be maintained and the formation of defects by the solvent system can be minimized.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: August 6, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Dae Hyun Kim, JinWoo Cho, Dong Myung Shin, Ji Su Kim, Min Young Lim, Sung Hyun Kim
  • Patent number: 8492456
    Abstract: The present invention provides ink compositions for ink-jet printing. The ink compositions comprise by weight from about 0.1 to 5% by weight of a water-soluble polyurethane; from about 0.1 to 15% by weight of a 1,2-alkyldiol having 5-9 carbon atoms; and from about 0.5 to 6% by weight of a pigment. The present invention also provides a process for printing an image on a print medium that comprises applying an inventive ink composition thereto by means of an ink-jet printer. The present invention further provides ink-jet cartridges containing inventive ink compositions.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: July 23, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaohe Chen, George M. Sarkisian
  • Patent number: 8492458
    Abstract: A solvent borne polyurethane composition with a polymodal molecular weight distribution comprising: i) 10 to 90 wt % of at least a polyurethane A with a Mw in the range of from 4,000 up to 25,000 g/mol, ii) 90 to 10 wt % of at least a polyurethane B with a Mw in the range of from 25,000 to 100,000 g/mol and iii) a liquid medium.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: July 23, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: Ester Parra Pastor, Joan Tiana Ruiz, Urs Jürgen Frieden Hugel
  • Patent number: 8492459
    Abstract: There are provided an ink composition for imprint lithography and roll-printing, which is applied to the formation of a pattern using imprint lithography and roll-printing to play the role of a pattern support, can increase the accuracy of pattern formation by minimizing the occurrence of a swelling phenomenon caused by the ink composition, and can improve yield and the efficiency of the process by increasing the transfer rate of a pattern, and a method of forming a pattern of a display or semiconductor by using the same.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: July 23, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jinwuk Kim, Kibeom Lee, Byonghoo Kim, Seunghyup Shin, Junyong Song, Myoungsoo Lee
  • Patent number: 8481609
    Abstract: Disclosed is a phase change ink comprising (a) a crystalline oxazoline compound; and (b) an amorphous polyterpene resin.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 9, 2013
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, Adela Goredema, Guerino G. Sacripante, Caroline M. Turek, Edward G. Zwartz
  • Patent number: 8476334
    Abstract: A radiation-curable acrylate-modified aminoamide resin which is the Michael addition product of an aminoamide thermoplastic polymer derived from a polymerised unsaturated fatty acid with a polyol ester having at least three (meth)acrylate ester groups, the aminoamide thermoplastic polymer having an amine number of from 40 to 60 mgKOH/g, the ratio of the initial (meth) acrylate groups of the polyol ester to the initial amino functional groups of the aminoamide polymer being at least 4:1, is liquid at 25° C., and is useful as the resin component of various types of energy-curable coating composition, including inks, varnishes and lacquers, especially lithographic inks.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: July 2, 2013
    Assignee: Sun Chemical Corporation
    Inventors: Derek Ronald Illsley, Martin John Thompson, Sean Phillip Francis Mayers, Douglas Frederick Pavey
  • Patent number: 8466213
    Abstract: The object of the invention is to provide a white ink composition for ink jet textile printing by which even if printing is carried out without discoloring the dye of textile piece, the whiteness degree of a dyed article obtained is high and the dyed article superior in coating film durability and laundering fastness is further obtained without losing the drape of the textile piece. The invention is directed to a white ink composition for ink jet textile printing including a white pigment, a polymer dispersant, an anionic resin emulsion and an aqueous medium, wherein the polymer dispersant is a polymer dispersant (A) obtained by neutralizing a anionic water-soluble resin having a glass transition temperature of 0 to 80° C.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: June 18, 2013
    Assignee: Sakata Inx Corp.
    Inventors: Yoshiaki Ueno, Yoichi Sato, Akinori Moriyama, Masakazu Ohashi
  • Patent number: 8454150
    Abstract: A printing method that uses ink jet recording with a water-based ink set to form an image on a non-ink-absorbing or low-ink-absorbing recording medium, the method includes a printing step including recording with a color ink and recording with a resin ink performed after the recording with the color ink; and a drying step performed during the printing step and/or after the printing step. In the printing method, the water-based ink set includes the color ink containing a water-insoluble coloring agent and the resin ink not containing a coloring agent. The color ink contains the water-insoluble coloring agent, a resin component, a water-soluble solvent, and a surfactant. The resin ink contains a water-soluble resin solvent, a wax, and thermoplastic resin particles as a resin component that are insoluble in water but compatible in the water-soluble resin solvent.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: June 4, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Hidehiko Komatsu
  • Patent number: 8450394
    Abstract: An ink composition for ink-jet recording includes a pigment; resin particles having a glass transition temperature of 80° C. or higher; at least one water-soluble organic solvent; and water, and a total mass of solid content in the ink composition for ink-jet recording is 10% by mass or more relative to the ink composition for ink-jet recording, and the at least one water-soluble organic solvent includes at least one organic solvent having an SP value of 27.5 or lower, the amount of the at least one organic solvent having an SP value of 27.5 or lower being 70% by mass or more relative to a total amount of the at least one water-soluble organic solvent. An ink-jet recording method is also provided.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: May 28, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Tojo, Yasufumi Ooishi, Kyohei Mochizuki, Kiyoshi Irita
  • Patent number: 8450393
    Abstract: The invention provides an ink composition, which is improved in dispersibility and fastness properties and is excellent in dispersion stability and re-solubility owing to dispersed particles in which a coloring material is included by a crosslinked hydrophobic block segment in a dispersing polymer. The ink composition contains an amphiphilic block polymer compound, in which a coloring material is included, and a medium, wherein the amphiphilic block polymer compound, in which the coloring material is included, forms a dispersed particle having the hydrophobic block segment as an internal core part, and the hydrophobic block segment is crosslinked.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: May 28, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiichiro Tsubaki, Ryuji Higashi, Masayuki Ikegami, Keiko Yamagishi, Ryo Natori, Takaho Shibata
  • Patent number: 8440745
    Abstract: Disclosed is a nonaqueous inkjet ink composition having excellent ink ejection stability, which does not clog a nozzle of a printer head portion when used for printing by an inkjet printer, thereby enabling achievement of a printed matter having excellent print quality. The nonaqueous inkjet ink composition is characterized by containing a pigment, a resin, a pigment dispersing agent, an organic solvent, and additionally a rust inhibitor.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: May 14, 2013
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Takehiro Kotera, Harumi Kaneko, Toshihiko Shiotani, Tetsuo Sugawa
  • Patent number: 8440743
    Abstract: The present invention provides an oil-based ink composition for ink-jet recording comprising at least a coloring material, an organic solvent and a non-aqueous resin emulsion.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: May 14, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano, Kiyohiko Takemoto
  • Patent number: 8440744
    Abstract: The present invention is proposed is an oil-based white ink composition for ink jet recording, comprising a white pigment, a glycol ether dialkyl ether compound solvent, a polymeric dispersant, and a specific acrylic resin. The white pigment is formed of titanium oxide fine particles having an average particle diameter of not less than 0.15 ?m and not more than 0.25 ?m and coated with at least one of aluminum oxide and silicon oxide. The white pigment is further coated with not less than 0.01% by mass and not more than 2.5% by mass of at least one of an SiH-containing polysiloxane and dimethylpolysiloxane.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: May 14, 2013
    Assignee: The Inctec Inc.
    Inventors: Yukio Sugita, Mitsuyoshi Tamura, Mitsuteru Yamada, Fumie Yamazaki, Tamayo Okahira
  • Patent number: 8440742
    Abstract: The present invention is drawn toward an ink-jet ink, comprising an aqueous liquid vehicle having acid-functionalized polymer colloid particulates and polymer-attached pigment colorants dispersed in the liquid vehicle. The liquid vehicle can include at least one volatile co-solvent, each volatile co-solvent present having a boiling point at or below about 285° C. The total amount of volatile co-solvent present in the ink-jet ink can be from 5 wt % to 50 wt %. These ink-jet inks can be printed on traditional as well as non-porous substrates. Optionally, heat can be applied to an image printed with the ink-jet ink to drive off at least a portion of the volatile co-solvent(s).
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: May 14, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Phillip C. Cagle
  • Patent number: 8436088
    Abstract: Plasters and renders and paints, copolymer dispersions and their use Compositions containing selected polymer dispersions, colloidal silica, fillers and pigments are described. These can be formulated to give plasters and renders or paints which are distinguished by excellent abrasion resistance, little tendency to soiling, high water vapor permeability, good adhesion and good weathering stability. The compositions according to the invention can be processed to give plasters and renders or paints which have a nanostructured surface and which differ from conventionally produced surfaces.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: May 7, 2013
    Assignee: Celanese Emulsions GmbH
    Inventors: Ivan Cabrera, Thomas Fichtner, Stephan Krieger, Marc Theodorus Ratering
  • Patent number: 8431630
    Abstract: A method for manufacturing a water resistant aluminum pigment dispersion includes the steps of: (a) forming a composite pigment base by sequentially laminating a peeling resin layer and an aluminum layer on a sheet-shaped substrate; (b) forming a composite pigment by peeling the sheet-shaped substrate from the composite pigment base; and (c) forming an aluminum pigment dispersion by pulverizing the composite pigment, and in the method described above, at least one of the steps (b) and (c) is performed in an organic solvent to which a phosphorous surfactant is added.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: April 30, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Sano, Takayoshi Kagata
  • Patent number: 8426495
    Abstract: The invention provides a radiation-curable ink composition for inkjet recording, the ink composition containing at least: a specific azo compound, a tautomer of the azo compound, a salt of the azo compound, a salt of the tautomer, a hydrate of the azo compound, a hydrate of the tautomer, or any combination thereof; a polymer dispersant; a cationic polymerizable compound; and a cationic polymerization initiator. The invention further provides an inkjet recording method including ejecting and curing the ink composition. The invention further provides a printed matter formed by the inkjet recording method.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: April 23, 2013
    Assignee: FUJIFILM Corporation
    Inventor: Kiyoshi Morimoto
  • Patent number: 8420715
    Abstract: An encapsulated colorant including a colorant and a polymer resin coating the colorant, where the polymer resin is prepared by polymerizing a polymer resin-forming composition including two or more polymerizable unsaturated monomers, and the content ratio of the two or more polymerizable unsaturated monomers is controlled to obtain a glass transition temperature of the polymer resin of ?15 to 75° C. An ink composition including an encapsulated colorant, and an ink set comprising two or more types of the ink composition. The encapsulated colorant may have different glass transition temperatures to have a utility of high optical density when printing text, and high gloss when printing images.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-in Lee, Heung-sup Park
  • Patent number: 8420713
    Abstract: Provided are a capsulated colorant, a method of preparing same and ink compositions including the capsulated colorant. The capsulated colorant includes a colorant and a polymer resin coated on the colorant. The polymer resin is a result of polymerization of a polymerizable composition comprising a basic monomer and a polymerizable unsaturated monomer. The ink composition comprises the colorant coated with the polymeric resin and a solvent, which may be water and at least one organic solvent.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-In Lee, Seoung-Min Ryu, Jae-Yoon Jung, Sang-Eun Shim
  • Patent number: 8420714
    Abstract: An ink composition comprising: (A) an isoindoline-based pigment; (B) a polymeric dispersant; (C) an alkylammonium salt of a sulfonated derivative of a disazo-based yellow colorant; (D) a polymerizable compound; and (E) a polymerization initiator.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: April 16, 2013
    Assignee: FUJIFILM Corporation
    Inventor: Tsutomu Umebayashi
  • Patent number: 8415409
    Abstract: The invention provides a radiation-curable ink composition for inkjet recording, the ink composition containing at least: a specific azo compound, a tautomer of the azo compound, a salt of the azo compound, a salt of the tautomer, a hydrate of the azo compound, a hydrate of the tautomer, or any combination thereof; a polymer dispersant; a radical polymerizable compound; and a radical polymerization initiator. The invention further provides an inkjet recording method including ejecting and curing the ink composition. The invention further provides a printed matter formed by the inkjet recording method.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: April 9, 2013
    Assignee: FUJIFILM Corporation
    Inventor: Kiyoshi Morimoto
  • Patent number: 8410195
    Abstract: A solvent-based dye sublimation ink composition includes specific chemical formulations of production agents for its manufacture in several colors. The sublimation ink composition includes a vinyl chloride-vinyl acetate copolymer, a polymeric amide, 2-methoxy-1-methylethyl acetate, N-butyl acetate, butan-2-OL, petroleum distillate, disperse and/or solvent dyes, propylene glycol and one or more acetates. Once produced, the solvent-based dye sublimation ink of the present invention may be used with ink jet printers and prevents or minimizes paper cockling while exhibiting outstanding stability and high print density capabilities.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: April 2, 2013
    Assignee: Hilord Chemical Corporation
    Inventors: Iacovos Papaiacovou, Zorka Gallino, Donald H. Balbinder, Daniel Slep
  • Patent number: 8410212
    Abstract: An alcohol-soluble resin and a method for preparing the same, in which the content of vinyl acetate monomer in polymeric raw material is 50% to 90%. In addition, acrylic ester monomer and other reactive functional group-containing compounds have been mixed in the raw material to ensure the performance of resin for special requirements in application. Also provided are products produced by using the resin, such as alcohol-soluble ink, composite adhesive, lustering oil for printing, glazing lacquer for woodware, superficial decorating coatings for plastic materials, safeguard coatings of metal surface and hair colorant, as well as preparation methods.
    Type: Grant
    Filed: January 9, 2006
    Date of Patent: April 2, 2013
    Inventors: Wenjun Zou, Wenjun Zhong, Mingguo Zou, Guangming Li
  • Patent number: 8404761
    Abstract: A white ink for an inkjet, comprising a silica, a resin emulsion, and water, wherein an amount of the resin emulsion, reported as a mass ratio relative to a value of 1 for the silica, is within a range from 0.10 to 0.45.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: March 26, 2013
    Assignee: Riso Kagaku Corporation
    Inventors: Masami Shinozaki, Hiroyuki Ogawa
  • Patent number: 8394871
    Abstract: The present invention provides [1] a water dispersion for ink-jet printing containing chain-like particles each containing anionic organic pigment particles and a cationic polymer, wherein the ratio of organic pigment primary particles forming the chain-like particles to all the pigment primary particles contained in the water dispersion is 10% by number or more; [2] a water-based ink for ink-jet printing containing the water dispersion; [3] a method for producing a water dispersion for ink-jet printing as described above in [1]; and [4] a water-based ink for ink-jet printing containing a water dispersion produced through the method. The water dispersion and water-based ink for ink-jet printing of the present invention realize excellent optical density.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: March 12, 2013
    Assignee: KAO Corporation
    Inventors: Atsushi Hiraishi, Masayuki Narita, Takahiro Sato, Kyoichi Shirota, Yasuhiro Doi, Hiroyuki Yoshida, Yusuke Shimizu
  • Patent number: 8393728
    Abstract: Provided are an aqueous ink-jet ink and a method for forming an ink-jet image enabling to decrease bleed occurrence during high-speed printing and to realize highly detailed image quality. An aqueous ink-jet ink characterized by containing water, a pigment, an organic or inorganic amine salt, and a water-soluble resin having a higher pKa than an acid component formed by dissociation of the amine salt in an ink.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: March 12, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Masashi Ikeda, Hirotaka Iijima, Hisashi Mori