Patents Assigned to General Company Limited
  • Patent number: 7988278
    Abstract: An inkjet ink and a method for printing on hydrophobic media such as offset coated media, using the inkjet ink, including an inkjet containing a pigment, water, a surfactant and 40 to 75 weight % of a polar non-protic solvent with a molecular weight of 40 to 130 which has permeability to a hydrophobic surface such as the coating of an offset coated medium.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: August 2, 2011
    Assignee: General Company Limited
    Inventor: Kozo Isobe
  • Patent number: 7922315
    Abstract: Disclosed are an inkjet ink and a method for printing on hydrophobic media such as offset coated media using the inkjet ink. Specifically disclosed is an inkjet containing a pigment, water and a surfactant which is characterized by also containing 40 to 75 weight % of a polar non-protic solvent with a molecular weight of 40 to 130 which has permeability to a hydrophobic surface such as the coating of an offset coated medium. Such an inkjet ink enables better printing on hydrophobic media such as offset coated media than the conventional inks.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: April 12, 2011
    Assignee: General Company Limited
    Inventor: Kozo Isobe
  • Publication number: 20100110121
    Abstract: An inkjet ink and a method for printing on hydrophobic media such as offset coated media, using the inkjet ink, including an inkjet containing a pigment, water, a surfactant and 40 to 75 weight % of a polar non-protic solvent with a molecular weight of 40 to 130 which has permeability to a hydrophobic surface such as the coating of an offset coated medium.
    Type: Application
    Filed: December 31, 2009
    Publication date: May 6, 2010
    Applicant: GENERAL COMPANY LIMITED
    Inventor: Kozo Isobe
  • Publication number: 20100110122
    Abstract: A inkjet ink and a method for printing on hydrophobic media such as offset coated media using the inkjet ink. An inkjet contains a pigment, water, a surfactant and 40 to 75 weight % of a polar non-protic solvent with a molecular weight of 40 to 130 which has permeability to a hydrophobic surface such as the coating of an offset coated medium.
    Type: Application
    Filed: December 31, 2009
    Publication date: May 6, 2010
    Applicant: GENERAL COMPANY LIMITED
    Inventor: Kozo Isobe
  • Patent number: 6132039
    Abstract: Disclosed is an ink acceptor comprising a sheet-like substrate and an ink accepting layer provided on at least one surface of the substrate, the ink accepting layer containing at least a cationic acrylic resin and an acrylic resin having film-forming properties. Such an ink acceptor is capable of rapidly fixing ink and obtaining a print having excellent water resistance, and is suitably used for printing by an ink-jet printing system.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: October 17, 2000
    Assignee: General Company Limited
    Inventor: Kazuaki Nishimura
  • Patent number: 5204189
    Abstract: A heat-sensitive transferring recording medium comprises a substrate and a solid coating film form by applying a coating material mainly composed of an emulsion and a coloring agent overlying the substrate.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: April 20, 1993
    Assignee: General Company Limited
    Inventors: Seiji Ueyama, Hiroyasu Onoe
  • Patent number: 5043228
    Abstract: A heat-sensitive transferring medium of a delayed sending type comprises a heat-melting ink layer and an over-coating layer overlying said ink layer and mainly composed of resin and/or wax.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: August 27, 1991
    Assignee: General Company Limited
    Inventors: Takashi Yamahata, Tadatoshi Ohtsu
  • Patent number: 4983445
    Abstract: A heat-sensitive transferring recording medium comprises a heat-resistant substrate, a heat-sensitive releasing layer and a heat-sensitive transferring ink layer, and the ink layer mainly comprises 50-80 wt. % polyethylene resin having a melting point or softening point of 60.degree.-150.degree. C., molecular weight of 1,000-100,000, penetration of 20 or less (at 25.degree. C.) (JIS K 2235), and melting viscosity of 100-10,000 cps (at 140.degree. C.), 0-30 wt. % wax having a melting point of 50.degree.-110.degree. C., and 5-45 wt. % coloring agent.A heat-sensitive transferring recording medium comprises a heat-resistant substrate, a heat-sensitive releasing layer melting at 50.degree.-100.degree. C. and a heat-sensitive transferring ink layer.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: January 8, 1991
    Assignee: General Company Limited
    Inventor: Seiji Ueyama
  • Patent number: 4948446
    Abstract: A heat-sensitive transferring medium of a delayed sending type comprises a heat-melting ink layer and an over-coating layer overlying said ink layer and mainly composed of resin and/or wax.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: August 14, 1990
    Assignee: General Company Limited
    Inventors: Takashi Yamahata, Tadatoshi Ohtsu
  • Patent number: 4857410
    Abstract: A multi-type heat-sensitive transferring medium comprises a substrate and a heat-sensitive transferring ink layer overlying the substrate and comprising a resin component, a solid component immiscible with the resin component and capable of becoming liquid by heating while solid at room temperature, and a coloring agent, the resin component being (a) a vinyl chloride-vinyl acetate copolymer having a monomer weight ratio of vinyl chloride to vinyl acetate of from 65:35 to 90:10 and having a viscosity average degree of polymerization of 200-1000, or (b) a polymethacrylic acid ester having a viscosity average degree of polymerization of 100-3000, or (c) a mixture of (a) and (b).
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: August 15, 1989
    Assignee: General Company Limited
    Inventor: Takashi Yamahata
  • Patent number: 4840835
    Abstract: A heat-sensitive transferring recording medium is composed of a substrate, a heat-sensitive releasing layer and a heat-sensitive transferring ink layer laminated in the mentioned order.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: June 20, 1989
    Assignee: General Company Limited
    Inventors: Seiji Ueyama, Hiroyasu Onoe
  • Patent number: 4762432
    Abstract: Thermal printing is effected by pressing a heat generating element of a thermal head to paper intervening a transferring ribbon with a heat-sensitive ink layer and immediately after printing, the transferring ribbon is bend so as to detach rapidly the ribbon from the paper.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: August 9, 1988
    Assignees: General Company Limited, Rohm Company Limited
    Inventors: Seiji Ueyama, Hideo Taniguchi, Hiromi Ogata
  • Patent number: 4737397
    Abstract: A heat-sensitive transferring recording medium comprises a substrate and a heat-sensitive transferring ink layer overlying the substrate, the heat-sensitive transferring ink layer comprising a coloring agent and two kinds of waxes having melting point of 70.degree.-90.degree. C., penetration (JIS K 2235) of not higher than 5 at 25.degree. C. and specific gravity of 0.99-1.05, one of the waxes having acid value of 120-160 and saponification value of 140-190 and the other having acid value of 1-20 and saponification value of 70-100.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: April 12, 1988
    Assignee: General Company Limited
    Inventor: Seiji Ueyama
  • Patent number: 4707395
    Abstract: A heat-sensitive transferring recording medium comprises a substrate, a heat-sensitive releasing layer, a coloring agent layer and a heat-sensitive cohesive layer.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: November 17, 1987
    Assignee: General Company Limited
    Inventors: Seiji Ueyama, Hiroyasu Onoe
  • Patent number: 4698268
    Abstract: A heat-sensitive transferring recording medium comprises a heat resistant substrate and a heat-sensitive transferring ink layer overlying the heat sensitive substrate, the heat-sensitive transferring ink essentially consisting of (1) a wax of penetration (JIS K 2235) of not higher than 25 (at 25.degree. C.), (2) a resin component composed of both ethylene-vinyl acetate copolymer and aromatic modified terpene resin, and (3) a coloring agent, and the content of the resin component being 10-30% by weight based on the solid matter in the heat-sensitive transferring ink. An overcoat layer may be formed on the heat-sensitive transferring ink layer.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: October 6, 1987
    Assignee: General Company Limited
    Inventor: Seiji Ueyama
  • Patent number: 4689274
    Abstract: A multi-type heat-sensitive transferring medium comprises a substrate and a heat-sensitive transferring ink layer overlying the substrate and comprising a resin component, a solid component immiscible with the resin component and capable of becoming liquid by heating while solid at room temperature, and a coloring agent, the resin component being (a) a vinyl chloride-vinyl acetate copolymer having a monomer weight ratio of vinyl chloride to vinyl acetate of from 65:35 to 90:10 and having a viscosity average degree of polymerization of 200-1000, or (b) a polymethacrylic acid ester having a viscosity average degree of polymerization of 100-3000, or (c) a mixture of (a) and (b).
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: August 25, 1987
    Assignee: General Company Limited
    Inventor: Takashi Yamahata
  • Patent number: 4688057
    Abstract: A heat-sensitive transferring recording medium comprises a substrate, a heat-sensitive color forming layer on one side of the substrate, and a heat-sensitive transferring ink layer, on the other side of the substrate, consisting essentially of (a) a wax having penetration of not higher than 5 at 25.degree. C., and acid value of 50-70, (b) a wax having penetration of not higher that 5 at 25.degree. C. and saponification value of 70-90, (c) a wax having penetration of 7-20 at 25.degree. C. (d) an extender pigment and (e) a coloring agent, and the contents of components (a)+(b), (c) and (d) in the solid matter of the heat-sensitive transferring ink are 20-40%, 20-40% and 20-30% by weight.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: August 18, 1987
    Assignee: General Company Limited
    Inventor: Seiji Ueyama
  • Patent number: 4631232
    Abstract: A heat-sensitive transferring recording medium comprises a base film, a heat melting ink layer provided on the under surface of the base film, and a conveyance improving layer provided on the upper surface of the base film, said conveyance improving layer comprising a material selected from the group consisting of compounds having a perfluoroalkyl group and ultraviolet ray-curing type resins.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: December 23, 1986
    Assignee: General Company Limited
    Inventors: Osamu Ikawa, Takashi Yamahata
  • Patent number: RE32999
    Abstract: A heat-sensitive transferring recording medium comprises a heat resistant substrate and a heat-sensitive transferring ink layer overlying the heat sensitive substrate, the heat-sensitive transferring ink essentially consisting of (1) a wax of penetration (JIS K 2235) of not higher than 25 (at 25.degree. C.), (2) a resin component composed of both ethylene-vinyl acetate copolymer and aromatic modified terpene resin, and (3) a coloring agent, and the content of the resin component being 10-30% by weight based on the solid matter in the heat-sensitive transferring ink. An overcoat layer may be formed on the heat-sensitive transferring ink layer.
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: July 25, 1989
    Assignee: General Company Limited
    Inventor: Seiji Ueyama
  • Patent number: D307918
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: May 15, 1990
    Assignee: General Company Limited
    Inventor: Hiroyuki Goda