Patents Assigned to Toyo Ink SC Holdings Co., Ltd.
  • Patent number: 11512216
    Abstract: A pretreatment liquid that is used together with an aqueous inkjet ink containing a pigment and water, wherein the pretreatment liquid contains resin microparticles (A), a surfactant (B), a coagulant (C) and water, the surfactant (B) contains a polyoxyalkylene alkyl ether (b-1), and the coagulant (C) contains a polyvalent metal salt and/or a cationic polymer compound and has a water absorptivity at a temperature of 40° C. and a relative humidity of 80% of 75% by mass or less.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 29, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Masahiro Sugihara, Yuki Sasaki, Toshihiro Tetsuka, Takaaki Koike, Akiko Imazato, Naoya Kikuta, Tomoe Tanabe
  • Patent number: 11512204
    Abstract: A squarylium dye [A] that has high invisibility, i.e., exhibits low absorption in the visible light region (400 nm to 750 nm), has excellent near-infrared absorption capability and high light resistance, tends not to exhibit aggregations, and has specific X-ray diffraction peaks; and an image-forming material and the like containing the squarylium dye [A] having said characteristics. The problem is solved by a squarylium dye [A] having specific X-ray diffraction peaks represented by general formula (1). Moreover, the problem is also solved by various materials containing the squarylium dye [A].
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: November 29, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYO VISUAL SOLUTIONS CO., LTD.
    Inventors: Shohei Sakamoto, Hiroaki Shimizu, Sumihiro Aikyo
  • Publication number: 20220372319
    Abstract: By the use of an ultraviolet curable inkjet ink set for a line head printer comprising a lower layer ink containing a polymerizable monomer having a specific structure, and, a specific photopolymerization initiator, and an upper layer ink containing a polymerizable monomer having a specific structure and a specific photopolymerization initiator, wherein among the lower layer ink and the upper layer ink, one of the inks is a white ink and the other ink is a black ink, a good printed matter having excellent adhesion between a recording medium and the ink layer, and, between different ink layers can be obtained without generating curing wrinkles and curling over time even during high speed printing.
    Type: Application
    Filed: August 11, 2021
    Publication date: November 24, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Gosuke KIKUTSUJI, Yohei KONDA
  • Publication number: 20220376262
    Abstract: A carbon nanotube dispersion liquid for nonaqueous electrolyte secondary battery is a carbon nanotube dispersion liquid containing carbon nanotubes, a dispersant and a solvent, and is characterized in satisfying (1) to (3) below: (1) the average outer diameter of the carbon nanotubes ranging from more than 3 nm to 25 nm; (2) the BET surface area of the carbon nanotubes ranging from 150 m2/g to 800 m2/g; and (3) the fiber length of the carbon nanotubes in the carbon nanotube dispersion liquid ranging from 0.8 ?m to 3.5 ?m.
    Type: Application
    Filed: October 23, 2020
    Publication date: November 24, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yu MORITA, Hirotomo ITO, Yu AOTANI, Tetsuro IZUMIYA
  • Publication number: 20220340765
    Abstract: An aqueous white conductive primer coating composition, includes: a binder component (A); and a carbon nanotube dispersion liquid (B); and a coating film formed by the aqueous white conductive primer coating composition has an L* value of whiteness based on a CIE color-matching function of 80 or more and a surface resistivity of 108 ?/? or less.
    Type: Application
    Filed: September 16, 2020
    Publication date: October 27, 2022
    Applicants: KANSAI PAINT CO., LTD., TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Takumu HONDA, Takayuki ONO, Hironori TONOMURA, Nobuyuki NAHATA
  • Publication number: 20220325120
    Abstract: An ink set for single-pass printing including at least a cyan ink, a magenta ink, a yellow ink, and a gray ink, wherein the magenta ink satisfies a specific condition regarding spectral reflectance, and the gray ink has a spectral reflectance at a wavelength of 500 nm of 20 to 70% and satisfies the specific condition regarding spectral reflectance.
    Type: Application
    Filed: June 3, 2020
    Publication date: October 13, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yuji KAMEYAMA, Gosuke KIKUTSUJI
  • Patent number: 11469421
    Abstract: A conductive material dispersion containing a conductive material containing carbon fibers, a dispersant, and an amide-based organic solvent, in which the dispersant contains a copolymer A containing a nitrile group-containing structural unit and satisfies following conditions. (I) A pH of the conductive material dispersion is 9.0 or greater. (II) A phase angle of the conductive material dispersion at a frequency of 1 Hz obtained by dynamic viscoelasticity measurement is 19° or greater, and a complex elastic modulus of the conductive material dispersion obtained by dynamic viscoelasticity measurement is less than 20 Pa.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: October 11, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventor: Honami Hirabayashi
  • Patent number: 11453792
    Abstract: The invention provides a magenta ink for inkjet which yields distinct images having high gloss and no density irregularities or voids upon inkjet printing onto low-absorption substrates, exhibits excellent discharge stability after long standby periods, and can provide excellent drying properties even during high-speed printing; and also provides an ink set that can suppress mixed color bleeding and achieve superior color reproducibility.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: September 27, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD
    Inventors: Masahiro Sugihara, Atsushi Yoda, Yoshihito Suzuki, Kazuhiro Jonai
  • Patent number: 11453797
    Abstract: An ink set containing an inkjet ink and a treatment liquid, wherein the inkjet ink contains a pigment, a water-soluble organic solvent, a surfactant and water, the water-soluble organic solvent contains an alkyl diol (A) of 2 to 8 carbon atoms, the weighted average boiling point of the water-soluble organic solvent at one atmosphere is from 175 to 240° C., the surfactant contains an acetylenediol-based surfactant, the treatment liquid contains a coagulant, calcium nitrate is included as the coagulant in an amount of 6.8 to 20.8% by mass relative to the total mass of the treatment liquid, and the pH of the treatment liquid is from 2 to 11.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 27, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD
    Inventors: Mayuko Okamoto, Kazuhiro Jonai, Atsushi Yoda, Norio Suzuki
  • Patent number: 11434396
    Abstract: The invention provides a synthetic rubber pressure-sensitive adhesive which has excellent heat resistance and substrate adhesiveness, is capable of inhibiting offset, peeling or the like even in a high-temperature environment and is suitable for applications in a high-temperature environment, a pressure-sensitive adhesive sheet and a polishing member laminate. The synthetic rubber pressure-sensitive adhesive of the invention contains: a synthetic rubber (A) including a styrene-isoprene block copolymer, an adhesion-imparting resin (B), and a fatty acid ester (C) with a weight reduction rate of 1 wt % or less after being heated at 150° C. for 10 minutes. Based on 100 parts by weight of the synthetic rubber (A), the content of the adhesion-imparting resin (B) is set as ? parts by weight to 60 parts by weight, and the content of the fatty acid ester (C) is set as 0.1 parts by weight to 10 parts by weight.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: September 6, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventor: Tadashi Abe
  • Patent number: 11427723
    Abstract: One embodiment relates to an aqueous inkjet ink containing a pigment (A), a polymer compound (B), a water-soluble organic solvent (C) and a surfactant (D), wherein the water-soluble organic solvent (C) includes ethylene glycol and/or 1,3-propanediol (c1), and a water-soluble organic solvent (c2) having a specific static surface tension, the acid value of the polymer compound (B), the amount of water-soluble organic solvent having a boiling point at 1 atmosphere of 240° C. or higher, and the weight average boiling point at 1 atmosphere for the water-soluble organic solvent (C) are all prescribed values, and the blend amounts of the various components satisfy specific relationships.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: August 30, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yoshihito Suzuki, Atsushi Yoda, Masahiro Sugihara, Kazuhiro Jonai
  • Publication number: 20220267625
    Abstract: A rosin-modified phenol resin (A) is a reaction product of a rosin (b), a phenol (c), a formaldehyde (d) and a polyol (e), wherein the rosin (b) contains 0.1 to 3.5% by mass of a monoterpene (a1) and a sesquiterpene (a2) relative to the total weight of the rosin, and Mw/Mn which is the ratio of the weight average molecular weight (Mw) and the number average molecular weight (Mn) is 10 to 60.
    Type: Application
    Filed: May 18, 2021
    Publication date: August 25, 2022
    Applicant: TOYO INK SC HOLDINGS CO., LTD.
    Inventor: Kazuya OKAMOTO
  • Patent number: 11414518
    Abstract: A rosin-modified resin having a structural unit (ab) derived from a compound obtained by addition of an ?,?-unsaturated carboxylic acid or acid anhydride thereof (B) to a conjugated rosin acid (A), a structural unit (c) derived from an organic monobasic acid (C) excluding the conjugated rosin acid (A), a structural unit (d) derived from an aliphatic polybasic acid anhydride (D), and a structural unit (e) derived from a polyol (E), wherein the weight ratio between the structural unit (ab) and the structural unit (c) is within a range from 100:80 to 100:350.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: August 16, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYO INK CO., LTD.
    Inventors: Akeha Fukushima, Mitsuhito Takamura, Junya Suenaga
  • Patent number: 11407201
    Abstract: A composite member (1) satisfies the following expressions. X/(E×|CTE(B)?CTE(A)|)?50, X/(E×|CTE(B)?CTE(C)|)?50, Y/|CTE(B)?CTE(A)|×L(BA)?50, and Y/|CTE(B)?CTE(C)|×L(BC)?50. X: shear bond strength (MPa) between the heat dissipating base substrate and heat generating member, Y: fracture elongation of the thermoconductive insulating adhesive film, E: modulus of elasticity (MPa) of the thermoconductive insulating adhesive film, CTE(A): linear expansion coefficient (° C.?1) of the heat dissipating base substrate, CTE(B): linear expansion coefficient (° C.?1) of the thermoconductive insulating adhesive film, CTE(C): linear expansion coefficient (° C.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: August 9, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Toshiichi Sawaguchi, Naohiro Tanaka, Kaori Sakaguchi, Kenji Andou, Hidenobu Kobayashi
  • Publication number: 20220213324
    Abstract: A coloring composition which contains an isoindoline compound represented by formula (1) (wherein A represents a group that is expressed by formula (2), formula (3) or formula (4)) and a dispersion medium.
    Type: Application
    Filed: April 20, 2020
    Publication date: July 7, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Takeshi MATSUMOTO, Takayoshi KONO, Kouhei TAKIJIRI, Teppei INAI, Kazufumi NISHIDA
  • Publication number: 20220204857
    Abstract: The present invention addresses the problem of providing: a dispersant which enables the production of a dispersed material having excellent dispersibility and storage stability even when the dispersant is used in a small amount; a dispersed material having excellent dispersibility and storage stability; an electrode film having excellent adhesiveness and electrical conductivity; and a non-aqueous electrolyte secondary battery having excellent rate properties and cycle properties. The problem can be solved by a dispersant which is a polymer containing 40 to 100% by mass of a (meth)acrylonitrile-derived unit and having a weight average molecular weight of 5,000 to 400,000.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 30, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Yuta SUZUKI, Yu AOTANI, Yu MORITA, Honami HIRABAYASHI, Tomohiko HOSHINO
  • Publication number: 20220195258
    Abstract: The double-sided pressure-sensitive adhesive sheet according to one aspect is a double-sided pressure-sensitive adhesive sheet for bonding a polishing pad to a surface plate, for bonding a polishing member to the surface plate, or for forming the polishing member, the pressure-sensitive adhesive sheet including a sheet-shaped base material, and a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer provided on each main surface of the base material, where at least one of the first adhesive layer and the second adhesive layer is a pressure-sensitive adhesive layer that is formed from a pressure-sensitive adhesive including an acrylic-based copolymer having a specific composition and a specific molecular weight, a tackifier resin having a specific amount, and a tolylene diisocyanate trimethylolpropane adduct, the pressure-sensitive adhesive layer having a gel fraction of 5 to 50% by mass.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 23, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventor: Tadashi ABE
  • Publication number: 20220195223
    Abstract: An aqueous inkjet ink containing a pigment, a binder resin, a water-soluble organic solvent, a surfactant and water, wherein the binder resin contains, as structural units, an aqueous resin containing a structure derived from an ethylenically unsaturated monomer containing an acid group and a structure derived from an ethylenically unsaturated monomer containing a hydroxyl group, the resin has a weight average molecular weight of 5,000 to 45,000, and a glass transition temperature of 35 to 110° C., the water-soluble organic solvent contains a first water-soluble organic solvent having an SP value of 8.5 to 13 (cal/cm3)1/2, and does not contain a second water-soluble organic solvent having a boiling point at 1 atmosphere of 235° C. or higher, and the surfactant contains an acetylene-based surfactant.
    Type: Application
    Filed: April 21, 2020
    Publication date: June 23, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD, TOYOCOLOR CO., LTD.
    Inventors: Kazushi SUNAOSHI, Masahiro SUGIHARA, Yuki SASAKI
  • Patent number: 11359107
    Abstract: An ink set containing an inkjet ink and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink contains a pigment, a water-soluble organic solvent, a surfactant and water, the water-soluble organic solvent contains a glycol ether-based organic solvent having a specific structure, the treatment liquid contains a coagulant, the coagulant contains calcium nitrate in an amount of 6.8 to 20.8% by mass relative to the total mass of the treatment liquid, and the amount of compounds contained in the treatment liquid that have three or more hydroxyl groups is not more than 15% by mass relative to the total mass of the treatment liquid.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 14, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD
    Inventors: Mayuko Okamoto, Atsushi Yoda, Norio Suzuki, Kazuhiro Jonai
  • Publication number: 20220181636
    Abstract: A conductive material dispersion containing a conductive material containing carbon fibers, a dispersant, and a dispersion medium, in which the dispersant contains a copolymer A containing a nitrile group-containing structural unit and an aliphatic hydrocarbon structural unit, and a Mooney viscosity (ML1+4, 100° C.) of the copolymer A is 40 to 70, and the conductive material dispersion has a phase angle of 19° or greater at a frequency of 1 Hz.
    Type: Application
    Filed: February 21, 2022
    Publication date: June 9, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventor: Honami HIRABAYASHI