Patent application number | Description | Published |
20080295730 | Ink For Ink-Jet Recording - An ink for ink-jet recording is provided which, although contains free copper ions, has anticorrosive properties and is free from the formation of a precipitate caused by the free copper ion. The ink for ink-jet recording containing the free copper ion includes cyclohexylammonium carbamate serving as an anticorrosive. | 12-04-2008 |
20090165672 | Water-Based Ink for Ink-Jet Recording, Ink Cartridge and Ink-Jet Recording Apparatus - A water-based ink for ink-jet recording includes a coloring agent, water, and a water-soluble organic solvent. The coloring agent includes the following dye (1) and dye (2). The water-based ink is good in clearness, color development, and preservation stability as well as good in toughness of a recording material recorded using the water-based ink.
| 07-02-2009 |
20090165675 | Water-Based Ink for Ink-Jet Recording, Ink Cartridge and Ink-Jet Recording Apparatus - A water-based ink for ink-jet recording includes a self-dispersing pigment, water, a water-soluble organic solvent, and an acetylene glycol surfactant. An amount of the self-dispersing pigment (solid content) relative to a total amount of the ink is in a range of about 3.5 wt % to about 4.5 wt %. The water-soluble organic solvent includes glycerin and dipropylene glycol propyl ether, an amount of the glycerin relative to a total amount of the ink is in a range of about 15 wt % to about 25 wt %, and an amount of the dipropylene glycol propyl ether relative to a total amount of the ink is in a range of about 2.0 wt % to about 3.0 wt %. An amount of the acetylene glycol surfactant relative to a total amount of the ink is in a range of about 0.1 wt % to about 0.3 wt %. | 07-02-2009 |
20090186155 | INK FOR INK-JET RECORDING, INK CARTRIDGE, INK-JET RECORDING APPARATUS, METHOD OF DETERMINING, AND METHOD OF INK-JET RECORDING - An ink for ink-jet recording includes a luminescence marker which emits light by oxidization. It may be determined whether the ink for ink-jet recording is used for recording the ink-jet recorded object with a simple method such as an evaluation of luminescence by oxidation, without requiring a special equipment. | 07-23-2009 |
20090244222 | INK CARTRIDGES AND METHODS OF FORMING GROOVE IN INK CARTRIDGE - An ink cartridge includes a frame including a portion of a first chamber formed therein, and the first chamber is configured to store ink. The ink cartridge also includes a hollow portion positioned at a side wall of the frame. The hollow portion includes a second chamber formed therein, and the second chamber is continuous with the first chamber and extends from an inner surface of the side wall of the frame away from the first chamber. The ink cartridge also includes a movable member positioned in the second chamber and configured to move based on an amount of ink in the first chamber, and an inner surface of the hollow portion defining the second chamber has a groove extending toward the first chamber. | 10-01-2009 |
20110187770 | Water-Based Ink for Ink Jet Recording - A water-based ink for ink jet recording, containing: a coloring agent; water; and a water-soluble organic solvent. The coloring agent contains a phosphate group-modified self-dispersing pigment. The water-based ink further contains at least one of a reducing sugar and a sugar alcohol and a calcium ion. | 08-04-2011 |
20110187799 | Water-Based Ink for Ink Jet Recording - A water-based ink for ink jet recording, containing: a coloring agent; water; and a water-soluble organic solvent. The coloring agent contains a phosphate group-modified self-dispersing pigment. The water-based ink further contains at least one selected from the group consisting of boric acid, diglycolic acid, and a chelating agent. | 08-04-2011 |
20110292116 | Ink Set, Ink-Jet Recording Apparatus, and Ink-Jet Recording Method - An ink set containing a water-based ink for ink jet recording and a treatment liquid. The water-based ink contains a phosphate group-modified self-dispersing pigment, water, and a water-soluble organic solvent. The treatment liquid contains a monovalent metal ion, water, and a water-soluble organic solvent. | 12-01-2011 |
20110292117 | Ink Set and Ink-Jet Recording Method - An ink set containing a water-based ink for ink jet recording and a treatment liquid. The water-based ink contains a phosphate-group modified self-dispersing pigment, water, and a water-soluble organic solvent. The treatment liquid contains an aggregating agent, water, and a water-soluble organic solvent. A dynamic surface tension of the water-based ink, measured under the condition where a life time is about 50 ms, is in the range of 35 mN/m to 45 mN/m. A dynamic surface tension of the treatment liquid, measured under the condition where a life time is about 50 ms, is in the range of 33 mN/m to 45 mN/m. | 12-01-2011 |
20140292904 | Water-Based Ink for Ink-Jet Recording, Ink Cartridge and Ink-Jet Recording Apparatus - A water-based ink for ink-jet recording includes: a pigment; water; 1,2-alkanediol; and a surfactant represented by the following general formula (1): R | 10-02-2014 |
20150042733 | Water-Based Ink for Ink-Jet Recording, Ink Cartridge, and Ink-Jet Recording Apparatus - A water-based ink for ink-jet recording includes a pigment; water; 1,2-alkanediol; a compound including an isothiazoline ring; and a surfactant represented by a general formula (1): | 02-12-2015 |