Carbohydrate Or Derivative Containing Patents (Class 106/31.68)
  • Patent number: 6511534
    Abstract: An ink is provided which is capable of giving higher density of the printed image and has improved color developability with the light fastness and image stability maintained, and suppressing occurrence of bleeding in color image formation. The ink contains a capsuled coloring material constituted of a water-insoluble coloring material and an organic polymer covering the coloring material, the capsuled coloring material containing the organic polymer at a content ranging from 1% by weight to 20% by weight.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: January 28, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinya Mishina, Shinichi Sato, Mikio Sanada, Koichi Osumi
  • Patent number: 6506240
    Abstract: There is provided an ink composition which can realize good images, especially an ink composition which, when used in an ink jet recording method, can be stably ejected and can realize good image quality. The ink composition comprises: a colorant; water; a water soluble organic solvent; and a mixture of saccharides, wherein the mixture of saccharides comprises a monosaccharide and/or a derivative thereof, a disaccharide and/or a derivative thereof, and a tri or higher polysaccharide and/or a derivative thereof.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: January 14, 2003
    Assignee: Seiko Epson Corporation
    Inventors: Kiyohiko Takemoto, Kazuhide Kubota
  • Publication number: 20030005854
    Abstract: In a ball pen which is formed to have an ink-consumption value per unit area of 0.64 to 1.6 mg/cm2, the water content is adjusted in the range from 30.0 to 80.0 wt %, the content of a volatilization-inhibiting substance in the range from 0.1 to 10.0 wt % and the content of a hardly-volatile water-soluble liquid medium in the range from 1.0 to 40.0 wt % in the ink for a ball pen in order to achieve both the quick-drying property of the ink transferred onto the paper surface and the non-drying property of the point of the pen-tip and further a good writing feeling.
    Type: Application
    Filed: June 14, 2002
    Publication date: January 9, 2003
    Inventors: Masaru Miyamoto, Shigeru Miyazaki, Youji Takeuchi
  • Patent number: 6497759
    Abstract: The invention is directed to a scratch ink composition improved in erasability, hiding power and ease of use. The invention relates to a scratch ink composition comprising a flaky pigment having a particle size distribution (as determined with a laser diffraction particle size distribution analyzer) such that the integral fraction of particles not larger than 10 &mgr;m in diameter is not more than 30%, a resin component, and a solvent.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: December 24, 2002
    Assignee: Sakura Color Products Corp.
    Inventors: Yasuyuki Yoshimura, Naoshi Murata, Yuki Yamamoto
  • Publication number: 20020185038
    Abstract: It is an object of the present invention to provide a pigment dispersed aqueous ink composition for use in ink jet printing which gives reliable printing performance and yields rapidly drying printed images with levels of color bleed, which are equal to or better than those obtained from comparable dye based inks.
    Type: Application
    Filed: April 15, 2002
    Publication date: December 12, 2002
    Applicant: SEIKO EPSON CORPORATION
    Inventor: William Marritt
  • Publication number: 20020152927
    Abstract: An edible ink with a viscosity of about 2000 to about 16000 cp at 25° C.
    Type: Application
    Filed: April 20, 2001
    Publication date: October 24, 2002
    Inventors: John Russell, Andrew Candler, Angela Wright
  • Publication number: 20020148387
    Abstract: The present invention relates to an aqueous ink composition with metallic glittering, more particularly to an aqueous ink composition with metallic glittering having an excellent glittering appearance, three-dimensional effect, writing aptitude comprising a metal-coating resin component, colorant, water-soluble resin, water-soluble organic solvent, and water.
    Type: Application
    Filed: June 13, 2001
    Publication date: October 17, 2002
    Applicant: Dang-A Pencil Co. Ltd.
    Inventor: Tung-Gul An
  • Patent number: 6451099
    Abstract: Provided is a water based ink composition for a ball point pen comprising at least one selected from the group consisting of an alkylene oxide adduct of polyglycerin, an alkylene oxide adduct of glycerin and an alkylene oxide adduct of trimethylolpropane and further comprising a colorant, a white plastic pigment, a viscosity-controlling agent and water. The ink composition is excellent in a writing property as well as a coloring property of the drawn lines regardless of the kind of writing paper and is stable with the passage of time. In addition thereto, it provides the drawn lines with a color having the same color tone as that of the visual color when it is charged into an ink reservoir.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: September 17, 2002
    Assignee: Mitsubishi Pencil Kabushiki Kaisha
    Inventors: Masaru Miyamoto, Tadashi Kamagata, Miki Shinozuka
  • Publication number: 20020033117
    Abstract: A polychromic ink composition depending on viewing angle comprises 0.5 to 40% by weight of cholesteric liquid crystal polymer particles whose maximum particle diameter is 1 to 200 &mgr;m, 1.0 to 30.0% by weight of binder resins, 0.05 to 20% by weight of pigments with a deep-colored coloring matter whose average particle diameter is 0.01 to 0.5 &mgr;m, 0.01 to 5.0% by weight of a shear-thinning property imparting agent, and water with respect to the total amount of the ink composition.
    Type: Application
    Filed: April 13, 2001
    Publication date: March 21, 2002
    Applicant: Sakura Color Products Corporation
    Inventors: Hiroshi Inoue, Satoshi Maruyama, Norihiro Hirano, Hidetoshi Fukuo, Naoshi Murata, Shoko Matsumoto, Kaoru Matsumoto
  • Publication number: 20020029722
    Abstract: An ink for ink-jet recording which comprises (a) a coloring material, (b) a liquid medium, and (c) an ammonium salt of an acid having a methyl or methylene group and a carboxylic group, or an ammonium aldonate, or an ammonium salt of citric acid, to alleviate kogation of the ink-jet head heater having an outermost protecting layer containing at least one of a metal and a metal oxide.
    Type: Application
    Filed: February 15, 2001
    Publication date: March 14, 2002
    Inventors: Makoto Shioya, Ryuji Katsuragi
  • Patent number: 6355734
    Abstract: A method of preparing a resin-fortified polymer emulsion is disclosed. In one embodiment, the method comprises polymerizing at least one monomer in the presence of a surfactant, an initiator, a resin and sugar-based vinyl monomer under emulsion polymerization reaction conditions effective for initiating polymerization, wherein an emulsion polymerization product is formed that comprises a sugar-based vinyl monomer. A composition comprising resin-fortified emulsion polymer comprising a sugar-based vinyl monomer, a resin and at least one emulsion polymerizable monomer is also disclosed. An ink comprising a pigment and a resin-fortified polymer emulsion comprising a sugar-based vinyl monomer, a resin and at least one emulsion polymerizable monomer is also disclosed.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: March 12, 2002
    Assignee: Ecosynthetix Inc.
    Inventors: Scott E. Cassar, David H. Fishman, Ian J. McLennan, Steven Bloembergen
  • Publication number: 20020017219
    Abstract: The present invention provides an ink composition for an ink jet recording process, which exhibits excellent print quality with good water fastness and light fastness and without flying in deflected directions from the ink head or nozzle fill-in even after a prolonged ink jet printing. The ink comprises (1) a carbon black, (2) an organic pigment, (3) a dispersant incorporated in an aqueous medium and (4) a saccharide.
    Type: Application
    Filed: April 26, 2001
    Publication date: February 14, 2002
    Inventors: Hideo Yamazaki, Michinari Tsukahara, Hiroto Nakamura, Hidehiko Komatsu
  • Patent number: 6325845
    Abstract: The present invention relates to an aqueous ink for ball point pens comprising a coloring pigment, a water-soluble organic solvent, water and a polysaccharide, wherein pigment particles of said coloring pigment gather and form a spotted agglomerate phase. The present invention also relates to an aqueous ink with a coloring pigment and a metallic powder pigment comprising a water-soluble organic solvent, water and a polysaccharide, wherein pigment particles of both the coloring pigment and the metallic powder pigment gather to the same pigment phase and form a complex agglomerate phase.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: December 4, 2001
    Assignee: Sakura Color Products Corporation
    Inventors: Norimasa Kurihara, Hiroshi Inoue
  • Publication number: 20010025588
    Abstract: There is provided an ink composition which can realize good images, especially an ink composition which, when used in an ink jet recording method, can be stably ejected and can realize good image quality. The ink composition comprises: a colorant; water; a water soluble organic solvent; and a mixture of saccharides, wherein the mixture of saccharides comprises a monosaccharide and/or a derivative thereof, a disaccharide and/or a derivative thereof, and a tri or higher polysaccharide and/or a derivative thereof.
    Type: Application
    Filed: December 13, 2000
    Publication date: October 4, 2001
    Inventors: Kiyohiko Takemoto, Kazuhide Kubota
  • Patent number: 6290978
    Abstract: Derivatized Arabinogalactan can be utilized in a variety of compositions to impart functionality without imparting negative rheological affects when the amount of the derivatized Arabinogalactan is increased in the composition. This is particularly important in the personal care industry, where it is desirable to have the flexibility to adjust the amount of derivatized Arabinogalactan depending upon the results it is desired to deliver to the user without negatively impacting the overall viscosity of the personal care composition.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: September 18, 2001
    Assignee: Larex, Inc.
    Inventors: Chew-Hung Mak, Morton A. Westman, Michael Lynn Finney, Richard Dale Lamb
  • Patent number: 6284029
    Abstract: A yellow ink composition for ink jet recording is provided which possesses excellent lightfastness and in addition can retain excellent color development for a long period of time. The yellow ink composition comprises both C.I. Pigment Yellow 74 and at least one second yellow pigment selected from the group consisting of C.I. Pigment Yellow 109, 110, 128, 150, and 154.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: September 4, 2001
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Sano, Kiyohiko Takemoto
  • Patent number: 6264729
    Abstract: Provided is an ink composition comprising at least a colorant and water, wherein the ink composition further contains 0.5 to 15% by weight of reduced dextrin or reduced maltodextrin based on the total weight of the ink composition. It is a water based ink composition for a ball point pen which is excellent in dryout resistance and is safe and which does not cause a fluctuation in a viscosity and a pH with the passage of time.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: July 24, 2001
    Assignee: Mitsubishi Pencil Kabushiki Kaisha
    Inventors: Masaru Miyamoto, Shigeru Miyazaki, Yoji Takeuchi
  • Patent number: 6261351
    Abstract: An action of the preventing drying at a pen tip without using water-soluble organic solvents such as glycols, glycerin and glycol ethers which have so far been used for a water based ink for a ball point pen is allotted to at least one selected from the group consisting of a reducing sugar comprising maltitol as a principal component, a reducing sugar comprising sorbitol as a principal component, reducing dextrin, reducing maltodextrin, &agr;-cyclodextrin, &bgr;-cyclodextrin and maltosylcyclodextrin, and the actions of inhibiting feathering of the drawn lines, improving discharge stability of the ink and maintaining the lubricity are allotted to at least one selected from the group consisting of an alkylene oxide adduct of polyglycerin, an alkylene oxide adduct of glycerin and an alkylene oxide adduct of trimethylolpropane.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: July 17, 2001
    Assignee: Mitsubishi Pencil Kabushiki Kaisha
    Inventors: Masaru Miyamoto, Shigeru Miyazaki, Yoji Takeuchi
  • Patent number: 6176910
    Abstract: Provided is a water based ink for a writing instrument comprising at least a colorant, a dispersant, water and a polar solvent, wherein the ink contains 0.5 to 20% by weight of dextrin or maltodextrin based on the weight of the whole ink. It has an excellent drying resistance.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: January 23, 2001
    Assignee: Mitsubishi Pencil Kabushiki Kaisha
    Inventors: Shigeru Miyazaki, Yoji Takeuchi, Masaru Miyamoto
  • Patent number: 6171381
    Abstract: The present invention relates to an aqueous metallic ink composition having utility in ink for writing instruments, for printing, for coating, and the like. The composition includes a metallic powder pigment, a colorant, water, and a water-soluble organic solvent, and further includes a natural polysaccharide and at least one compound selected from cellulose derivatives, a cyclodextrin, cyclodextrin derivatives, a water-soluble soy polysaccharide, and water-soluble soy polysaccharide derivatives. In case that an anionic polymer is added as a pigment dispersant into the aqueous metallic pigment composition, the pH value is adjusted to 8.0-10.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: January 9, 2001
    Assignee: Sakura Color Products Corporation
    Inventors: Yasuyuki Yoshimura, Naoshi Murata, Kenichi Shibuya, Kaoru Matsumoto