| Patent Number |
Title Of Patent |
Date Issued |
| 7553796 |
Phenol compound, reversible thermosensitive recording medium, reversible thermosensitive recordi |
June 30, 2009 |
| The present invention provides a reversible thermosensitive recording medium including a support and a thermosensitive recording layer thereon, in which the thermosensitive recording layer contains an electron-donating coloring compound and an electron-accepting compound, and the the |
| 7456132 |
Phenol compound, reversible thermosensitive recording medium, reversible thermosensitive recordi |
November 25, 2008 |
| The present invention provides a reversible thermosensitive recording medium including a support and a thermosensitive recording layer thereon, in which the thermosensitive recording layer comprises an electron-donating coloring compound and an electron-accepting compound, and the th |
| 6677273 |
Erasable recording material capable of inputting additional information written thereon and info |
January 13, 2004 |
| An erasable recording material including a substrate, and an erasable recording layer which is formed overlying the substrate and in which image information is repeatedly recorded and erased, and optionally includes an undercoat layer formed between the substrate and the recording layer, |
| 6656879 |
Method of reversible selective manifestation of different states of functional element |
December 2, 2003 |
| A method of reversible selective manifestation of different states of a functional element is disclosed. The functional element is composed of at least two compounds and is capable of alternatively assuming (a) a first state in which the two compounds interact to form a regular aggregate |
| 6432518 |
Erasable recording material capable of inputting additional information written thereon and info |
August 13, 2002 |
| An erasable recording material including a substrate, and an erasable recording layer which is formed overlying the substrate and in which image information is repeatedly recorded and erased, and optionally includes an undercoat layer formed between the substrate and the recording layer, |
| 6154243 |
Reversible thermal recording method and apparatus therefor |
November 28, 2000 |
| A reversible thermal recording method using a color/non-color type reversible thermosensitive recording material which has a recording layer formed overlying at least one side of a substrate and including an electron donating coloring agent and an electron accepting color developer a |
| 6090748 |
Reversible thermosensitive recording material and recording method and recording apparatus there |
July 18, 2000 |
| A reversible thermosensitive recording material which includes a recording layer including an electron donating coloring agent and an electron accepting coloring developer and in which an image is reversibly formed and erased by appropriately heating and cooling the recording layer, |
| 6090508 |
Optically anisotropic recording medium and method of recording and erasing information using the |
July 18, 2000 |
| An optically anisotropic recording medium and a method of recording and erasing method using the recording medium are disclosed, which comprises the steps of applying heat or light to the recording medium which comprises a recording layer made of optically anisotropic organic thin-fi |
| 6090192 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium |
July 18, 2000 |
| 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: ##STR1## wherein n is a |
| 6063173 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium |
May 16, 2000 |
| A reversible thermosensitive coloring composition is provided, which contains (a) an electron-donating coloring compound; and (b) an electron-accepting compound, which is an aromatic carboxylic acid compound comprising at least one hydrocarbon group, which induces color formation in |
| 6001159 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium |
December 14, 1999 |
| 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 of the reversible thermosensit |
| 5955225 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium |
September 21, 1999 |
| 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: ##STR1## wherein R.sup. |
| 5942377 |
Reversible thermosensitive composition and reversible thermosensitive recording medium using sam |
August 24, 1999 |
| 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: ##STR1## wherein R.sup. |
| 5932516 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium |
August 3, 1999 |
| A reversible thermosensitive coloring composition is provided, which contains (a) an electron-donating coloring compound; and (b) an electron-accepting compound, which is an aromatic carboxylic acid compound comprising at least one hydrocarbon group, which induces color formation in |
| 5891823 |
Reversible thermosensitive recording medium |
April 6, 1999 |
| 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 hysteresis thereof. The developer is a |
| 5868821 |
Thermally reversible color forming composition and thermally reversible recording medium using t |
February 9, 1999 |
| A thermally reversible color forming composition which includes an electron-donating chromophoric compound and an electron-accepting compound, by which formation and deletion of a color image may be carried out by adjusting thermal energy applied to the composition, wherein the elect |
| 5866505 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium |
February 2, 1999 |
| 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 of the reversible thermosensit |
| 5703005 |
Thermosensitive coloring composition and reversible thermosensitive recording medium using same |
December 30, 1997 |
| A thermosensitive coloring composition is disclosed which includes a coloring agent and a color developer of the formula: ##STR1## wherein R.sup.1 represents hydrogen, a halogen, a hydroxyl group, an alkyl group or an alkoxy group, R.sup.2 represents a C.sub.1-8 aliphatic hydroca |
| 5641724 |
Reversible thermosensitive coloring composition and a thermosensitive recording medium using the |
June 24, 1997 |
| This invention generally relates to a reversible thermosensitive coloring composition and a thermosensitive recording medium using thereof which have high light-resisting characteristics, wherein coloring and decolorizing can be repeated suitably. A reversible thermosensitive colorin |
| 5585320 |
Reversible thermosensitive coloring recording method, recording medium and recording apparatus f |
December 17, 1996 |
| A reversible thermosensitive coloring recording method for producing multi-color images by use of a reversible thermosensitive coloring recording medium which is composed of a support and a reversible thermosensitive coloring recording layer containing a plurality of reversible therm |
| 5552364 |
Reversible theromosensitive coloring recording method, recording medium and recording apparatus |
September 3, 1996 |
| A reversible thermosensitive coloring recording method for producing multi-color images by use of a reversible thermosensitive coloring recording medium which is composed of a support and a reversible thermosensitive coloring recording layer containing a plurality of reversible therm |
| 5534907 |
Reversible thermosensitive coloring recording method, recording medium and recording apparatus f |
July 9, 1996 |
| A reversible thermosensitive coloring recording method for producing multi-color images by use of a reversible thermosensitive coloring recording medium which is composed of a support and a reversible thermosensitive coloring recording layer containing a plurality of reversible therm |
| 5521138 |
Reversible thermosensitive coloring composition, and recording medium using the same |
May 28, 1996 |
| A reversible thermosensitive coloring composition is composed of an electron-donor coloring compound; an electron-acceptor compound which is capable of producing a colored material with a regularly aggregated structure in the electron-doner coloring compound at a color development in |
| 5432534 |
Reversible thermosensitive coloring composition, recording medium, recording method, and image d |
July 11, 1995 |
| A reversible thermosensitive coloring composition is composed of (i) an electron-donor coloring compound and (ii) an electron-acceptor compound selected from the group consisting of an organic phosphoric acid compound, an aliphatic carboxylic acid, and a phenolic compound, each having a |
| 5395433 |
Reversible thermosensitive coloring composition, recording medium, recording method, and image d |
March 7, 1995 |
| A reversible thermosensitive coloring composition is composed of (i) an electron-donor coloring compound and (ii) an electron-acceptor compound selected from the group consisting of an organic phosphoric acid compound, an aliphatic carboxylic acid, and a phenolic compound, each having a |
| 5296439 |
Reversible thermosensitive coloring recording medium, recording method, and image display appara |
March 22, 1994 |
| A reversible thermosensitive coloring composition is composed of (i) an electron-donor coloring compound and (ii) an electron-acceptor compound selected from the group consisting of an organic phosphoric acid compound, an aliphatic carboxylic acid, and a phenolic compound, each having a |
| 5185194 |
Heat-mode recording medium |
February 9, 1993 |
| A heat-mode recording medium has (i) a substrate and (ii) a recording layer formed thereon which comprises an organic compound of which crystallization direction can be thermally and reversibly controlled. This heat-mode recording medium can be prepared or initialized by at least the |
| 4716220 |
Disazo compounds with xanthone nucleus for electrophotography |
December 29, 1987 |
| The present invention provides a tetrazoneum salt compound represented by the general formula (I): ##STR1## (wherein, X stands for an anion functional group); a disazo compound represented by the general formula (II): ##STR2## wherein, A stands for ##STR3## (wherein, |
| 4596754 |
Electrophotographic printing original plate and electrophotographic plate making process using t |
June 24, 1986 |
| An electrophotographic printing original plate is disclosed, which comprises an electroconductive support material and an electrophotographic photosensitive layer formed thereon, which electrophotographic photosensitive layer comprises (i) a charge generation layer consisting essenti |
| 4565759 |
Plates for use in lithographic printing |
January 21, 1986 |
| A plate for use in lithographic printing which comprises providing a photoconductive layer on an electrically conductive substrate and further providing thereon a surface layer (a hydrophilicable layer) consisting essentially of a reaction product of a resin having an acid anhydride |
| 4540643 |
Tetrazonium salt compounds, novel disazo compounds, method for the production thereof and disazo |
September 10, 1985 |
| The present invention provides a tetrazoneum salt compound represented by the general formula (I): ##STR1## (wherein, X stands for an anion functional group.); a disazo compound represented by the general formula (II): ##STR2## (wherein, R stands for an alkyl group, an alkoxy |
