Patents Assigned to General Company Limited
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Patent number: 7988278Abstract: 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: GrantFiled: December 31, 2009Date of Patent: August 2, 2011Assignee: General Company LimitedInventor: Kozo Isobe
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Patent number: 7922315Abstract: 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: GrantFiled: June 30, 2005Date of Patent: April 12, 2011Assignee: General Company LimitedInventor: Kozo Isobe
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Publication number: 20100110121Abstract: 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: ApplicationFiled: December 31, 2009Publication date: May 6, 2010Applicant: GENERAL COMPANY LIMITEDInventor: Kozo Isobe
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Publication number: 20100110122Abstract: 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: ApplicationFiled: December 31, 2009Publication date: May 6, 2010Applicant: GENERAL COMPANY LIMITEDInventor: Kozo Isobe
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Patent number: 6132039Abstract: 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: GrantFiled: May 6, 1998Date of Patent: October 17, 2000Assignee: General Company LimitedInventor: Kazuaki Nishimura
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Patent number: 5204189Abstract: 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: GrantFiled: September 18, 1989Date of Patent: April 20, 1993Assignee: General Company LimitedInventors: Seiji Ueyama, Hiroyasu Onoe
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Patent number: 5043228Abstract: 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: GrantFiled: August 30, 1989Date of Patent: August 27, 1991Assignee: General Company LimitedInventors: Takashi Yamahata, Tadatoshi Ohtsu
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Patent number: 4983445Abstract: 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: GrantFiled: December 23, 1988Date of Patent: January 8, 1991Assignee: General Company LimitedInventor: Seiji Ueyama
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Patent number: 4948446Abstract: 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: GrantFiled: December 24, 1986Date of Patent: August 14, 1990Assignee: General Company LimitedInventors: Takashi Yamahata, Tadatoshi Ohtsu
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Patent number: 4857410Abstract: 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: GrantFiled: June 10, 1987Date of Patent: August 15, 1989Assignee: General Company LimitedInventor: Takashi Yamahata
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Patent number: 4840835Abstract: 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: GrantFiled: July 29, 1985Date of Patent: June 20, 1989Assignee: General Company LimitedInventors: Seiji Ueyama, Hiroyasu Onoe
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Patent number: 4762432Abstract: 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: GrantFiled: June 9, 1987Date of Patent: August 9, 1988Assignees: General Company Limited, Rohm Company LimitedInventors: Seiji Ueyama, Hideo Taniguchi, Hiromi Ogata
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Patent number: 4737397Abstract: 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: GrantFiled: July 29, 1985Date of Patent: April 12, 1988Assignee: General Company LimitedInventor: Seiji Ueyama
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Patent number: 4707395Abstract: 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: GrantFiled: July 29, 1985Date of Patent: November 17, 1987Assignee: General Company LimitedInventors: Seiji Ueyama, Hiroyasu Onoe
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Patent number: 4698268Abstract: 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: GrantFiled: July 29, 1985Date of Patent: October 6, 1987Assignee: General Company LimitedInventor: Seiji Ueyama
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Patent number: 4689274Abstract: 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: GrantFiled: July 29, 1985Date of Patent: August 25, 1987Assignee: General Company LimitedInventor: Takashi Yamahata
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Patent number: 4688057Abstract: 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: GrantFiled: July 29, 1985Date of Patent: August 18, 1987Assignee: General Company LimitedInventor: Seiji Ueyama
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Patent number: 4631232Abstract: 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: GrantFiled: July 16, 1985Date of Patent: December 23, 1986Assignee: General Company LimitedInventors: Osamu Ikawa, Takashi Yamahata
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Patent number: RE32999Abstract: 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: GrantFiled: November 24, 1987Date of Patent: July 25, 1989Assignee: General Company LimitedInventor: Seiji Ueyama
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Patent number: D307918Type: GrantFiled: February 27, 1987Date of Patent: May 15, 1990Assignee: General Company LimitedInventor: Hiroyuki Goda