| Patents for C09K 9 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy adsorption is changed as a result of excitation by some form of energy (4,715) |
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| 05/18/2004 | US6737142 Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer |
| 05/18/2004 | US6736998 Indenonaphthopyran compounds when exposed to light radiation containing ultraviolet rays exhibit a reversible change in color; lenses and ophthalmic lenses |
| 05/13/2004 | US20040092743 Indeno(2,1-f) chromene derivatives for ophthalmic lenses |
| 05/13/2004 | US20040089199 Thermochromic rylene dyes |
| 05/12/2004 | EP1417534A2 Molecular devices activated by an electric field for electronic ink and other visual display applications |
| 05/12/2004 | CN1496492A Electrochromic device |
| 05/12/2004 | CN1496491A 电化学像素器件 Electrochemical pixel devices |
| 05/12/2004 | CN1496346A Novel colour former and recording material |
| 05/12/2004 | CN1495681A Quantum point safety device and method |
| 05/11/2004 | US6735011 Color-stabilized electrochromic devices |
| 05/11/2004 | US6734305 4,4'dialkvl-bipyridinium viologen groups linked by alkylene, phenylene, phosphonate, salicylate, and/or catecholate groups; reversible storage; data display |
| 05/06/2004 | WO2003084780A3 Electrochromic rearview mirror assembly incorporating a display/signal light |
| 05/06/2004 | EP1415692A1 Method of changing color of a toy and colour changing toy |
| 05/06/2004 | EP0880568B1 Electrochromic system |
| 05/05/2004 | CN1494743A Electrochemical device |
| 05/05/2004 | CN1493645A Red fluorescent dye possessing star project type structure and its synthesis method and use |
| 05/05/2004 | CN1148433C Phtochromic spirooxazine compound bound with moleculae of antioxidizing agent and its preparing process and use |
| 05/04/2004 | US6731532 Field addressable rewritable media |
| 04/28/2004 | EP1412812A1 Electrochromic organic polymer synthesis and devices utilizing electrochromic organic polymers |
| 04/28/2004 | EP1412811A2 Electrochromic display device and compositions useful in making such devices |
| 04/28/2004 | CN1492893A Polymer containing 9-oxo-9-phosphhafluorene-2,7-diyl skeleton in backbone and process for producing the same |
| 04/27/2004 | US6728022 Electrochromic device |
| 04/27/2004 | US6726972 Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 04/21/2004 | EP1410786A1 Cosmetic composition comprising at least two dyes whereof at least one is photochromic |
| 04/21/2004 | EP1410784A1 Cosmetic composition comprising an oil phase and a naphthopyran dye and method |
| 04/21/2004 | EP0772661B1 Electrochromic layer and devices comprising same |
| 04/20/2004 | US6723859 Chromene compound |
| 04/20/2004 | CA2256479C Novel photochromic heterocyclic fused indenonaphthopyrans |
| 04/15/2004 | US20040072252 Heteroaryl substituted benzothiazole dioxetanes |
| 04/15/2004 | US20040071965 For use in photonic and optoelectronic devices |
| 04/14/2004 | CN1488705A Method for producing self-luminous pigment |
| 04/13/2004 | US6720583 Optical device, surface emitting type device and method for manufacturing the same |
| 04/13/2004 | US6720420 Photochromic oxazine compounds and methods for their manufacture |
| 04/13/2004 | US6719926 Chromene compound |
| 04/13/2004 | US6719925 Photochromism; ophthalmic lenses |
| 04/08/2004 | WO2004029710A1 Method for producing an electrochromic device and said electrochromic device |
| 04/08/2004 | WO2003001288A3 Displays for high resolution images and methods for producing same |
| 04/07/2004 | EP1405891A1 Photochromic material and color dose meter using the same |
| 04/07/2004 | EP1405890A1 Thermochromic material |
| 04/01/2004 | WO2004026988A1 Photochromic polymer composition and production, post-processing and use thereof |
| 04/01/2004 | US20040061097 Solvent; cathodic and anodic electroactive material; automobiles |
| 03/31/2004 | CN1143781C Method and products for photochromic marking and/or for securing authenticity of objects |
| 03/30/2004 | US6713536 Removable imbibition composition of photochromic compound and epoxy and polyol kinetic enhancing additives |
| 03/30/2004 | US6713146 Singly recordable compact disc (cd-r) |
| 03/25/2004 | US20040056239 Electrochromic system |
| 03/25/2004 | DE10242435A1 Photochromic polymer compositions, useful e.g. as light protectants or data storage components, based on 1,2-bis-((hetero)aryl)-cycloalkene or bis-(cyclo(hetero)alkeno)-cyclohexa-2,6-diene derivatives |
| 03/23/2004 | US6710906 Controlled diffusion coefficient electrochromic materials for use in electrochromic mediums and associated electrochromic devices |
| 03/16/2004 | US6706218 Polythiophenes in a sensing system, which will change color at a specific design temperature |
| 03/11/2004 | US20040049040 Pohtochromic material |
| 03/11/2004 | US20040046156 Photochromic curable composition and cured articles thereof |
| 03/10/2004 | EP1058861A4 Electrochromic display device |
| 03/10/2004 | CN1141680C Guantum dot safety device and method |
| 03/03/2004 | EP1394595A1 PLASTIC MOLDED PRODUCT HAVING PHOTOCHROMIC CHARACTERISTICS AND/OR POLARIZING CHARACTERISTICS |
| 03/03/2004 | EP0958288B1 Photochromic naphtopyrane colorants, method for the production and use thereof, photochromic object |
| 03/03/2004 | EP0917556B1 Electrochromic indicating device |
| 03/02/2004 | US6700693 Electrochromic devices having an electron shuttle |
| 03/02/2004 | US6700692 Electrochromic rearview mirror assembly incorporating a display/signal light |
| 02/26/2004 | WO2003057679A9 Photochromic oxazine compounds and methods for their manufacture |
| 02/24/2004 | US6696229 Providing superimposed layers of photochromic materials of various photosensitivities; scanning; generating digital file; radiation, developing pixel |
| 02/19/2004 | WO2004015024A1 Photochromic and electrochromic compounds and methods of synthesizing and using same |
| 02/19/2004 | US20040032638 Electrochromic devices with thin bezel-covered edge |
| 02/19/2004 | CA2494920A1 Photochromic and electrochromic compounds and methods of synthesizing and using same |
| 02/17/2004 | CA2196513C Method for improving light-fastness of reversible thermochromic compositions at the time of color extinguishment |
| 02/12/2004 | WO2004013688A1 Holographic surface mask etching and optical strucdtures |
| 02/12/2004 | WO2003054506A3 Deuterium-based chemiluminescent 1,2-dioxetanes |
| 02/12/2004 | US20040030078 Novel photochromic polymers and methods of synthesizing same |
| 02/11/2004 | EP1388749A1 Plastic photochromic lenses for glasses and process for their production |
| 02/11/2004 | CN1137956C Preparing method for blue fluorescent powder |
| 02/05/2004 | WO2004011965A1 Plastic photochromic lens and method for preparation thereof |
| 02/05/2004 | US20040021928 Electrolytes for electrooptic devices comprising ionic liquids |
| 02/04/2004 | EP1386317A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer |
| 01/29/2004 | WO2002075441A3 Electrochromic display device and compositions useful in making such devices |
| 01/29/2004 | US20040019180 Polymer containing 9-oxo-9-phosphafluorene-2,7-diyl skeleton in backbone and process for producing the same |
| 01/28/2004 | EP1204714B1 Bi-or terthienyl substituted photochromic naphtho 2,1-b]pyran compounds |
| 01/22/2004 | WO2004007634A2 Emissive, high charge transport polymers |
| 01/22/2004 | US20040014995 Chromene compounds |
| 01/22/2004 | US20040013375 Novel substituted-polyaryl chromophoric compounds |
| 01/20/2004 | CA2191939C Method for improving light-fastness of reversible thermochromic compositions at the time of color development |
| 01/14/2004 | EP1379914A1 Matrix addressable electrochromic display device |
| 01/14/2004 | CN1467261A Photochromics, photochromic materials and methods for manufacturing the same |
| 01/08/2004 | WO2004003107A1 Potochromic liquid crystals |
| 01/08/2004 | WO2002080164A9 Optical recording medium |
| 01/08/2004 | US20040005472 Comprising vanadium oxide, and also with at least one other layer having thermal properties, such as an infrared reflecting layer, and/or at least one other layer having optical properties, such as antireflection in the visible, |
| 01/07/2004 | EP1378532A1 Polymer containing 9-oxo-9-phosphafluorene-2,7-diyl skeleton in backbone and process for producing the same |
| 01/07/2004 | EP1377978A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 01/07/2004 | EP1377976A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377975A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 01/07/2004 | EP1377974A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound |
| 01/07/2004 | EP1377973A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light |
| 01/07/2004 | EP1377971A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377970A1 Optical data carrier containing a cyclizable compound in the information layer |
| 01/07/2004 | EP1377968A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/02/2004 | EP1374321A1 Electrochemical device |
| 01/02/2004 | EP1374234A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound |
| 01/02/2004 | EP1374233A1 Optical data carrier that contains a triazacyanine dye as the light-absorbing compound in the information layer g |
| 01/02/2004 | EP1373976A1 Electrochemical pixel device |
| 01/02/2004 | EP1373975A1 Electrochromic device |
| 12/31/2003 | WO2004001877A2 Electrolytes for electrooptic devices comprising ionic liquids |
| 12/31/2003 | WO2004000970A1 Color tunable photoluminescent blends |
| 12/31/2003 | WO2004000800A2 Electrochromic salts, solutions, and devices |