| Patent Number |
Title Of Patent |
Date Issued |
| 7399349 |
Sheet for ink jet recording, ink for ink jet recording, manufacturing method of ink for ink jet |
July 15, 2008 |
| An ink for ink jet recording, which hardly causes blotting of an image even under high humidity conditions while maintaining the advantages as water-based ink (handling properties, stability, producing properties, hue), is provided. Also provided is a method of manufacturing ink for ink |
| 7303856 |
Light-sensitive sheet comprising support, first light-sensitive layer and second light-sensitive |
December 4, 2007 |
| A light-sensitive sheet comprises a support, a first light-sensitive layer and a second light-sensitive layer in this order. Each of the first and second light sensitive layers independently contains a binder, a polymerizable compound and a photo-polymerization initiator. The second |
| 7150955 |
Light-sensitive sheet comprising support, first and second light-sensitive layers and barrier la |
December 19, 2006 |
| A light-sensitive sheet comprises a support, a first light-sensitive layer, a barrier layer and a second light-sensitive layer in this order. Each of the first and second light sensitive layers independently contains a binder, a polymerizable compound and a photo-polymerization initi |
| 7128413 |
Ink-jet recording medium and image forming method |
October 31, 2006 |
| To provide an ink-jet recording medium that can absorb inks satisfactorily and exhibits high print density, minimized bleeding with time and satisfactory light resistance, an ink-jet recording medium includes a support; and an ink receiving layer which is disposed on the support, con |
| 7059715 |
Sheet for ink jet recording, ink for ink jet recording, manufacturing method of ink for ink jet |
June 13, 2006 |
| The present invention provides a sheet for ink jet recording, ink for ink jet recording, manufacturing method of ink for ink jet recording, ink set for ink jet recording, and ink jet recording method, which hardly blot even under high humidity conditions, and includes a betaine compound |
| 5691271 |
Indolylazaphthalides and recording materials containing the same |
November 25, 1997 |
| The present invention provides novel indolylazaphthalides represented by formula (I) described below. The indolylazaphthalides are useful as electron donative colorless dyes for preparing recording materials. Recording materials containing the novel indolylazaphthalides of formula (I |
| 5480765 |
Recording material |
January 2, 1996 |
| A recording material employing an electron-donating achromatic dye and an electron-accepting compound, which further contains at least one triarylamine derivative represented by general: formula (1), (2), (3) or (4); ##STR1## wherein all the symbols are defined in the specificati |
| 5420094 |
Recording material |
May 30, 1995 |
| Disclosed is a novel recording material comprising an electron-providing colorless dye and an electron-accepting compound. The electron-accepting compound is represented by the following formula (1): ##STR1## wherein X represents a hydrogen atom, a halogen atom, a hydroxyl group, a |
| 5242886 |
Pressure-sensitive recording sheet |
September 7, 1993 |
| A pressure-sensitive recording sheet comprises a microencapsulated divinylphthalide compound represented by the following formula (I): ##STR1## wherein the microcapsules have the following particle size distribution: |
| 4985391 |
Heat-sensitive recording material |
January 15, 1991 |
| A heat-sensitive recording material is disclosed. The material comprises a support having provided thereon a heat-sensitive color forming layer containing an electron donating dye precursor and an electron accepting compound, said heat-sensitive color forming layer containing at least on |
| 4918045 |
Recording material |
April 17, 1990 |
| A recording material comprising a support, a microcapsule containing a substantially colorless electron-donating color former and a solvent, and an electron-accepting developer, wherein the color former is at least one selected from p-substituted aminophenylindolylphthalide derivatives, |
| 4891297 |
Heat-sensitive diazo recording material with thiohydroquinone |
January 2, 1990 |
| A heat-sensitive recording material is disclosed. The material comprises a support having provided thereon a recording layer containing one or more diazo compound, a coupling component, and at least one thiohydroquinone derivative as a sensitizing agent. |
| 4882311 |
Heat-sensitive recording material |
November 21, 1989 |
| A heat-sensitive recording material is disclosed. The material comprises a support having provided thereon a heat-sensitive color forming layer containing an electron donating dye precursor and an electron accepting compound, said heat-sensitive color forming layer containing at least on |
| 4876233 |
Recording material |
October 24, 1989 |
| A recording material comprising a support provided thereon a color developer and microcapsules containing a substantially colorless color former is disclosed, wherein the microcapsules further contains at least one of nickel compounds represented by formulae (I) and (II) shown in the |
| 4870048 |
Color developer sheet |
September 26, 1989 |
| A color developer sheet which brings about color development by contact with a substantially colorless electron-donating color former, where said sheet contains an organometallic compound represented by the following general formula (I), (II) or (III) to enhance light resistance and |
| 4861748 |
Recording material |
August 29, 1989 |
| A recording material containing the combination of at least one electron-donating colorless dye containing a p-substituted aminophenylindolyl azaphthalide and at least one electron-accepting compound containing an organic acid having at least one phenolic hydroxyl group. The material |
| 4855282 |
Recording material and method for producing the same |
August 8, 1989 |
| A recording material is disclosed, which comprises a support having thereon a recording layer containing an at least one electron-donating colorless dye and at least one electron-accepting compound, wherein said electron-donating colorless dye is a copolymer of at least one polymeriz |
| 4808566 |
Recording material |
February 28, 1989 |
| A recording material comprising an electron-donating colorless dye and an electron-accepting compound, wherein said colorless dye is a dimer of a 3-(4-substituted aminoaryl)-3-(substituted indol-3-yl)phthalide compound. The recording material provides an image exhibiting satisfactory fas |
| 4803192 |
Recording material |
February 7, 1989 |
| A recording material containing the combination of a colorless dye comprising a p-substituted aminophenylindolylphthalide moiety and an electron-accepting compound comprising an organic acid having at least one phenolic hydroxyl group. The dye image obtained by the recording material |
| 4800193 |
Recording material |
January 24, 1989 |
| A recording material comprising an electron-donating colorless dye and an electron accepting compound, wherein said electron-donating colorless dye is represented by the following general formula (I): ##STR1## wherein R and R' each represents an alkyl group; R.sub.1 represents an |
| 4792542 |
Recording material |
December 20, 1988 |
| A recording material is described comprising an electron donating colorless dye, an electron accepting compound, and at least one compound represented by formula (I), (II), or (III)wherein Ar.sub.1 and Ar.sub.2 each represents a substituted or unsubstituted aryl group or a substituted or |
| 4707464 |
Recording material |
November 17, 1987 |
| A recording material comprising: one or more supports, an electron donating leuco dye and one or more electron accepting compound(s) is disclosed, in which said electron accepting compound(s) is/are represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, |
