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| Number | Title | Issue Date |
| 7169737 | Phenolic compound and recording material using the same An object of the present invention is to provide a novel phenolic compound, and a recording material containing the same, which is excellent in storage stability. The object can be achieved by a phenolic compound represented by the formula (I): | 01/30/2007 |
| 7071145 | Thermosensitive recording material, and synthesis method of oligomer composition for the recording material A thermosensitive recording material comprising a thermosensitive layer provided on a substrate, and the thermosensitive layer comprises as main ingredients a leuco dye and a developer to make colored state of said leuco dye when heated, wherein the developer is an ... | 07/04/2006 |
| 7015270 | Cationic mixed-oxide dispersion, coating pigment and ink-absorbing medium A stable, aqueous dispersion, which includes: silicon dioxide mixed-oxide particles dispersed in at least one water-soluble cationic polymer having a mass average molar mass of less than 100,000 g/mol, said mixed-oxide including aluminum oxide or titani... | 03/21/2006 |
| 6984608 | Method of manufacturing heat sensitive recording material and heat sensitive recording material The present invention relates to a method of manufacturing heat sensitive recording material for the bar code reader wavelength range of 660–690 nm, the recording material containing a base layer and a coating, and the coating containing at least a color former an... | 01/10/2006 |
| 6960553 | Heat-sensitive recording material Disclosed is a heat-sensitive recording material having excellent properties such as high color-forming sensitivity (excellent thermal response), a high formed color density, freedom from ground fogging and excellent retainability of recorded image. The heat-sensiti... | 11/01/2005 |
| 6858565 | Thermosensitive recording material and novel color developer compounds Disclosed is a thermosensitive recording material comprising a sheet-shaped support and a thermosensitive recording layer which is formed on at least one surface of the support and comprises a colorless or light-colored dye precursor and a color developer capable of... | 02/22/2005 |
| 6716504 | Decorative sticker sheet A decorative sticker sheet comprises a lining paper, an adhesive layer formed on the lining paper, a transparent plastisol layer formed on the adhesive layer, a white plastisol layer formed on the transparent plastisol layer, an ink absorption layer formed on the wh... | 04/06/2004 |
| 6503868 | Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording material A reversible thermosensitive coloring composition including an electron donating coloring agent and an electron accepting color developer, wherein the composition achieves a colored state when heated at a temperature not lower than a coloring temperature ... | 01/07/2003 |
| 6486094 | Bis (arylsulfonylaminocarbonylaminobenzoate) compounds and thermosensitive recording materials containing same A thermosensitive recording material having high whiteness and resistance to color formation under high temperature, high humidity conditions has a thermosensitive colored image-forming layer formed on a substrate sheet and includes a dye precursor, a bin... | 11/26/2002 |
| 6417137 | Transparent thermosensitive recording material A transparent thermosensitive recording material capable of producing an image therein has a transparent support and a thermosensitive recording layer formed thereon, the recording layer containing a colorless or light-colored leuco dye, a color developer... | 07/09/2002 |
| 6403528 | Developer for use with carbonless copy paper and photo imaging system An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo- imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an a... | 06/11/2002 |
| 6395680 | Composition of aromatic carboxylic acid compounds and thermosensitive recording material using the same A composition includes at least two aromatic carboxylic acid compounds selected from the group consisting of aromatic carboxylic acid compounds of formulas (I), (II) and (III) as specified in the specification. A thermosensitive recording material has a s... | 05/28/2002 |
| 6387584 | Photoimaging material A photoimaging material which comprises a support and a photoimaging layer formed on the support. The photoimaging layer comprises microcapsules and a reducing agent present outside the microcapsules. The microcapsules contain a leuco dye capable of oxida... | 05/14/2002 |
| 6310002 | Record material A novel pressure sensitive record material suitable for use for high temperature reprographic equipment is disclosed comprising a sheet support carrying isolated droplets of an oil solution of chromogenic material, said isolated droplets being confined wi... | 10/30/2001 |
| 6054246 | Heat and radiation-sensitive imaging medium, and processes for use thereof An imaging medium comprises a substrate carrying a color-change layer. This color-change layer comprises two layers or phases comprising two color-forming reagents which react upon heating to cause a change in the color of the layer. The color-change laye... | 04/25/2000 |
| 6037308 | Diphenyl sulfone crosslinking type compounds and recording materials using them Diphenyl sulfone crosslinking type compounds of general formula (1) and a recording material containing at least one of them. This recording material is excellent in the storage stability of colored images. ##STR1##... | 03/14/2000 |
| 6028030 | Thermal sensitive recording medium A thermal sensitive recording medium which further contains poly urea compound in the thermal color developing layer containing dye precursor and color developer, which displays an excellent image preservative stability. Said poly urea compound contains u... | 02/22/2000 |
| 6015771 | Thermally-responsive record material The present invention discloses a novel thermally-responsive record material having coated thereon a thermally sensitive color forming composition comprising a chromogenic material, an acidic developer material and a carbamate of the formula ##STR1##... | 01/18/2000 |
| 6001518 | Reversible heat-sensitive recording material with high color development and image stabilization capabilities A reversible heat-sensitive recording medium has a substrate where a reversible heat-sensitive recording layer and a protective layer are successively formed on top of it. The reversible heat-sensitive recording layer is formed by a reversible heat-sensit... | 12/14/1999 |
| 5977020 | Thermosensitive reversible recording material A thermosensitive reversible recording material capable of forming and holding clear colored images with a high contrast and capable of being repeatedly color-developed and color-erased many times, has a thermosensitive recording layer formed on substrate... | 11/02/1999 |
| 5955225 | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same A reversible thermosensitive composition including a coloring agent and a developer and capable of assuming a colored state and a discolored state depending upon the thermal hysteresis thereof. The developer is a phenol compound represented by the formula... | 09/21/1999 |
| 5942377 | Reversible thermosensitive composition and reversible thermosensitive recording medium using same A reversible thermosensitive composition including a coloring agent and a developer and capable of assuming a colored state and a discolored state depending upon the thermal hysteresis thereof. The developer is a phenol compound represented by the formula... | 08/24/1999 |
| 5932515 | Recording paper incorporating hollow spherical plastic pigment A developer sheet for use in pressure-sensitive carbonless paper which incorporates a hollow microspherical plastic pigment.... | 08/03/1999 |
| 5928988 | Thermosensitive reversible recording material A thermosensitive reversible recording material having a thermosensitive recording layer formed on a substrate sheet and including a substantially colorless dye precursor and a color developing agent capable of reversibly color-developing and erasing the ... | 07/27/1999 |
| 5922641 | CF sheet for carbonless copy paper and weather resistant tags incorporating same A coated front sheet useful in carbonless copy forms. The sheet has a moisture resistant coating of latex binder, color developer, and pigment in association with a substrate. The coating is formulated to permit formation of a legible image in use in the ... | 07/13/1999 |
| 5891823 | Reversible thermosensitive recording medium A reversible thermosensitive medium having a support and a thermosensitive layer, the layer comprising a composition including a coloring agent and a developer and capable of assuming a colored state and a discolored state depending upon the thermal hyste... | 04/06/1999 |
| 5880064 | Carbonless pressure-sensitive copying paper A carbonless pressure-sensitive copying paper which uses a solvent free of an unpleasant odor and friendly to environments and is excellent in color formability and image keeping properties, the copying paper having a layer containing microcapsules enclos... | 03/09/1999 |
| 5880063 | Method of improving coverage of chromogenic reaction product Coverage of a chromogenic reaction product over a substrate is improved by incorporating a color developer in the substrate and coating the substrate with a color former to form a colored reaction product.... | 03/09/1999 |
| 5869420 | Rewritable thermal recording medium A rewritable thermal recording medium comprises a recording material containing a color former and a developer. Recording-erasing of information is performed on the basis of a change in the state of the recording material. The developer is formed of a com... | 02/09/1999 |
| 5866505 | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using the same A reversible thermosensitive coloring composition contains an electron-donating coloring compound and an electron-accepting compound, and is capable of reversibly assuming a color-developed state or a decolorized state depending upon the the temperature o... | 02/02/1999 |
| 5811368 | Thermal sensitive recording medium In a thermal sensitive recording medium comprising a thermal sensitive color developing layer which includes a basic leuco dye and an organic color developer on a substrate, characterized by the said thermal color developing layer includes 0.01-0.9 parts ... | 09/22/1998 |
| 5773170 | UV-absorbing media bleachable by IR-radiation An image-forming element comprising a substrate, and an image-forming medium comprising (a) a compound absorbing at a first wavelength in the UV/blue region and (b) a dye absorbing at a second wavelength which is longer than the first wavelength, irradiat... | 06/30/1998 |
| 5753586 | Thermal sensitive recording sheet A thermal sensitive recording sheet comprising a substrate having thereon a thermal sensitive color developing layer mainly composed of basic leuco dye and an organic color developer, characterized by said thermal sensitive developing layer includes deriv... | 05/19/1998 |
| 5733843 | Thermal sensitive recording sheet Discloses a thermal sensitive recording sheet which has features of high sensitivity, excellent heat resistance, excellent water proof and excellent durability to oil. The thermal sensitive color developing layer is mainly composed of a basic achromatic d... | 03/31/1998 |
| 5728646 | Heat-sensitive recording material A heat-sensitive recording material, comprising a heat-sensitive recording layer containing at least one acid hydrazide compound represented by the following general formula (I): ##STR1## wherein X1 and X2 each independently rep... | 03/17/1998 |
| 5726120 | CF sheet for carbonless copy paper and weather resistant tags incorporating same A coated front sheet useful in carbonless copy forms. The sheet has a moisture resistant coating of latex binder, color developer, and pigment in association with a substrate. The coating is formulated to permit formation of a legible image in use in the ... | 03/10/1998 |
| 5709738 | Coating composition for ink jet printing Coating compositions for ink jet printing, more specifically for the CB, CF and/or CFB sheets in carbonless copy paper. The compositions include a bivalent metal salt of a C12 to C24 alkyl acid, such as calcium stearate or zinc stear... | 01/20/1998 |
| 5707778 | Optical recording medium An optical recording medium including a substrate having thereon a recording layer containing a dye precursor, a color developer reactable with the dye precursor to develop a color, and a light absorbent for converting light to heat, characterized in that... | 01/13/1998 |
| 5703005 | Thermosensitive coloring composition and reversible thermosensitive recording medium using same A thermosensitive coloring composition is disclosed which includes a coloring agent and a color developer of the formula: ##STR1## wherein R1 represents hydrogen, a halogen, a hydroxyl group, an alkyl group or an alkoxy group, R2 | 12/30/1997 |
| 5688592 | Thermochromic laminate comprising light intercepting pigment and light stabilizer A thermochromic laminate is provided which comprises a thermochromic layer, and a coating layer or layers laminated thereon containing a light-intercepting pigment and a light stabilizer; the coating layer or layers containing the light-intercepting pigme... | 11/18/1997 |
