| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 503216000 | Identified organic electron acceptor (developer) other than phenolic resin | 23 |
| 20090093362 | Stable aqueous dispersions of colour developer - Storage-stable compositions comprising a colour developer, an anionic dispersant and a thickening agent as well as heat-sensitive recording materials comprising such compositions, a process for its manufacture and its use. | 04-09-2009 |
| 20090280980 | Thermal recording material - Provided is a thermal recording material superior in color development sensitivity, and having good preservation properties such as in heat resistance, moisture resistance, water resistance and the like. | 11-12-2009 |
| 20100048395 | THERMOSENSITIVE RECORDING MATERIAL - The invention provides a thermosensitive recording material having, on a support, a thermosensitive recording layer incuding an electron-donating dye precursor and an electron-accepting compound that makes the electron-donating dye precursor thermally develop a color, wherein the thermosensitive recording layer includes the electron-accepting compound in a ratio of from 5/1 to 20/1 by mass ratio with respect to the electron-donating dye precursor. | 02-25-2010 |
| 20100152043 | THERMOSENSITIVE RECORDING MATERIAL - A thermosensitive recording material which comprises a color forming layer comprising a color forming substance, which comprises a colorless or light color leuco dye, and a color developer and disposed on a support, wherein a mixture of (A) at least one compound selected from 4-hydroxy-4′-allyloxydiphenylsulfone, 4-hydroxy-4′-ethyloxydiphenyl-sulfone and 4-hydroxy-4′-n-propoxydiphenylsulfone and (B) a diphenylsulfone bridged compound represented by general formula (1): | 06-17-2010 |
| 20100197493 | THERMOSENSITIVE RECORDING MATERIAL COMPRISING A BACK COATING - A thermosensitive recording material comprising a substrate, a thermosensitive recording layer applied to the front and a back coating which comprises a polyurethane-based-cross-linking component in addition to pigments and binders. | 08-05-2010 |
| 20110028317 | Thermosensitive Recording Material - A proposed heat-sensitive recording material comprises a substrate, a heat-sensitive recording layer containing color formers and color acceptors, and a protective layer covering this heat-sensitive recording layer. The heat-sensitive recording layer has, as color acceptor, at least 66⅔ percent by weight of 4,4′-dihydroxydiphenyl sulfone based on the total percentage of color acceptors in the heat-sensitive recording layer, and the protective layer has, as binder, at least 60 percent by weight of diacetone-modified polyvinyl alcohol based on the total percentage of binder in the protective layer. | 02-03-2011 |
| 20110269622 | THERMOSENSITIVE RECORDING MEDIUM - The present invention provides a thermosensitive recording medium having an excellent image durability, even when used in a severe condition. | 11-03-2011 |
| 20120115719 | POLYMER COMPOSITE MATERIALS - A polymer composite material ( | 05-10-2012 |
| 20120208698 | THERMOSENSITIVE RECORDING LABEL - The conventionally constructed thermosensitive recording labels prepared by installing a thermosensitive recording layer on one side of a support material and a tackifier layer on the other side were found to be clearly limited when meeting the demand for improved water and weather resistance. Therefore, the present invention provides a thermosensitive recording label having much better water and weather resistance than conventionally available one.
| 08-16-2012 |
| 20120225774 | Heat-Sensitive Recording Material With Reverse Face Coating - A heat-sensitive recording material having a substrate that carries on its first side at least one heat-sensitive recording layer having at least one dye precursor and at least one color acceptor. The dye precursor and color acceptor react with one another in a color-forming manner under the action of heat. On its second side the substrate has a backcoat containing calcium carbonate. The backcoat is formed of at least two layers, a first layer is applied closer to the substrate and a second layer is applied farther from the substrate. The first layer contains a first calcium carbonate and the second layer contains a second calcium carbonate that differs from the first calcium carbonate. | 09-06-2012 |
| 20130137570 | RECORDING MATERIAL USING PHENOL COMPOUND - An object of the present invention is to provide a recording material or a recording sheet that is excellent not only in whiteness of a background but also in storage property for a background and an image, and further has excellent dynamic sensitivity. In order to achieve the object, a phenol compound represented by Formula (I) [wherein R | 05-30-2013 |
| 20130225402 | REVERSIBLE THERMOSENSITIVE RECORDING MEDIUM - A reversible thermosensitive recording medium including an electronic information recording sheet having at least an electronic information recording element projecting from a surface thereof, a first sheet having a through hole into which the electronic information recording element can be inserted, and a second sheet having a cut-out portion capable of housing the entire electronic information recording sheet, wherein the second sheet houses in the cut-out portion the entire electronic information recording sheet, with being laid over the first sheet, and the electronic information recording element inserted into the through hole. | 08-29-2013 |
| 20140106963 | Tunable Directional Color Transition Compositions and Methods of Making and Using the Same - Color change compositions that transition from a first to second color state upon application of an applied stimulus are provided. Also provided are substrates having the compositions on a surface thereof, as well as methods of making and using the compositions. | 04-17-2014 |
| 503217000 | And identified color-former | 10 |
| 20080220969 | HEAT-SENSITIVE RECORDING MATERIAL - The present invention provides a heat-sensitive recording material with enhanced color developing sensitivity maintaining heat resistance and image storage stability characteristics such as plasticizer resistance and water resistance. The present invention provides a heat-sensitive recording material including at least a substrate and a heat-sensitive color developing layer containing a leuco dye and developers on the front surface of the substrate, wherein as the developers 4-hydroxy-4′-allyloxydiphenyl sulfone is used in combination with a first diphenyl compound represented by formula (1) and/or a second diphenyl compound represented by formula (2). | 09-11-2008 |
| 20080269050 | Time/Temperature Indicators - By printing a bar code (comprising dark and light regions) or parts of such a bar code with an ink containing a dye, which changes colour in the presence of an acid or a base to remove the contrast between the regions of the bar code, and a neutral compound which releases an acid or a base on exposure to energising radiation, a bar code can be produced that becomes unreadable after a pre-determined interval. This can be used as a time/temperature indicator to ensure that products, which might be perishable, associated with such a bar code are not used by the public. | 10-30-2008 |
| 20090082202 | Heat-sensitive recording material - A heat-sensitive recording material is proposed, which comprises a substrate and a heat-sensitive recording layer that contains color formers and color acceptors, where
| 03-26-2009 |
| 20090088321 | Heat-sensitive recording material - A heat-sensitive recording material is proposed, which comprises a substrate and a heat-sensitive recording layer that contains color formers and color acceptors, where
| 04-02-2009 |
| 20090176647 | HEAT-SENSITIVE RECORDING MATERIAL - The present invention provides a heat-sensitive recording material having a support, a heat-sensitive color-developing layer containing a leuco dye and a developer, and a protective layer, the heat-sensitive color-developing layer and the protective layer being formed on the support, wherein carboxylic-acid-modified polyvinyl alcohol with a weight average degree of polymerization of 100 to 400 and a modification degree of 0.2 mol % to 1.0 mol % is used as a dispersing agent for dispersing the leuco dye. | 07-09-2009 |
| 20100130356 | Thermally-responsive record material - A thermally-responsive record material useful for bar coding is taught comprising a support having provided thereon in substantially contiguous relationship a heat sensitive coating comprising at least one chromogenic material, said chromogenic material being selected from a fluoran, and at least one developer of the formula (II) | 05-27-2010 |
| 20110237432 | Thermosensitive Recording Material - A heat-sensitive recording material includes a paper web with recycled fibers and a heat-sensitive recording layer includes color formers and color acceptors. The amount of recycled fiber contained in the paper web is at least 70 percent by weight, and the heat-sensitive recording layer has, as color acceptor, at least 33⅓ percent by weight of N-(p-toluenesulphonyl)-N′-3-(p-toluenesulphonyloxyphenyl)urea in relation to the total content of color acceptors in the heat-sensitive recording layer. | 09-29-2011 |
| 20140057783 | METHOD FOR PRODUCING A HEAT-SENSITIVE RECORDING MATERIAL - A method for producing a heat-sensitive recording material comprises: preparing a first coating composition, which includes as color acceptor 4,4′-dihydroxydiphenyl sulfone, at least one sensitizer selected from the list of methylolstearamide, stearic acid amide, and dimethyl terephtalate; preparing a second coating composition, which includes: from 65 to 95% by weight of one or more (meth)acrylate from 0 to 20% by weight of photoinitiators and from 0.5 to 20% by weight of wax; applying the prepared first coating composition to form the heat-sensitive recording layer on the front side of the substrate; drying the first coating composition; applying the second coating composition to form the protective layer covering the heat-sensitive recording layer; crosslinking the protective layer covering the heat-sensitive recording layer; applying the second coating composition to form the coating on the back side of the substrate; crosslinking the coating. | 02-27-2014 |
| 20160031254 | Composition For Developing A Visually Discernible Colour And Corresponding Heat-Sensitive Recording Material - The present invention is directed to (i) a composition for forming a visually discernible color, (ii) the use of this composition for producing a heat-sensitive recording material, (iii) the corresponding heat-sensitive recording material comprising a substrate and this composition, and (iv) a process for producing the heat-sensitive recording material. | 02-04-2016 |
| 20180022137 | RECORDING MATERIAL AND RECORDING SHEET | 01-25-2018 |
