Patents
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)
05/2004
05/18/2004US6737142 Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer
05/18/2004US6736998 Indenonaphthopyran compounds when exposed to light radiation containing ultraviolet rays exhibit a reversible change in color; lenses and ophthalmic lenses
05/13/2004US20040092743 Indeno(2,1-f) chromene derivatives for ophthalmic lenses
05/13/2004US20040089199 Thermochromic rylene dyes
05/12/2004EP1417534A2 Molecular devices activated by an electric field for electronic ink and other visual display applications
05/12/2004CN1496492A Electrochromic device
05/12/2004CN1496491A 电化学像素器件 Electrochemical pixel devices
05/12/2004CN1496346A Novel colour former and recording material
05/12/2004CN1495681A Quantum point safety device and method
05/11/2004US6735011 Color-stabilized electrochromic devices
05/11/2004US6734305 4,4'dialkvl-bipyridinium viologen groups linked by alkylene, phenylene, phosphonate, salicylate, and/or catecholate groups; reversible storage; data display
05/06/2004WO2003084780A3 Electrochromic rearview mirror assembly incorporating a display/signal light
05/06/2004EP1415692A1 Method of changing color of a toy and colour changing toy
05/06/2004EP0880568B1 Electrochromic system
05/05/2004CN1494743A Electrochemical device
05/05/2004CN1493645A Red fluorescent dye possessing star project type structure and its synthesis method and use
05/05/2004CN1148433C Phtochromic spirooxazine compound bound with moleculae of antioxidizing agent and its preparing process and use
05/04/2004US6731532 Field addressable rewritable media
04/2004
04/28/2004EP1412812A1 Electrochromic organic polymer synthesis and devices utilizing electrochromic organic polymers
04/28/2004EP1412811A2 Electrochromic display device and compositions useful in making such devices
04/28/2004CN1492893A Polymer containing 9-oxo-9-phosphhafluorene-2,7-diyl skeleton in backbone and process for producing the same
04/27/2004US6728022 Electrochromic device
04/27/2004US6726972 Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer
04/21/2004EP1410786A1 Cosmetic composition comprising at least two dyes whereof at least one is photochromic
04/21/2004EP1410784A1 Cosmetic composition comprising an oil phase and a naphthopyran dye and method
04/21/2004EP0772661B1 Electrochromic layer and devices comprising same
04/20/2004US6723859 Chromene compound
04/20/2004CA2256479C Novel photochromic heterocyclic fused indenonaphthopyrans
04/15/2004US20040072252 Heteroaryl substituted benzothiazole dioxetanes
04/15/2004US20040071965 For use in photonic and optoelectronic devices
04/14/2004CN1488705A Method for producing self-luminous pigment
04/13/2004US6720583 Optical device, surface emitting type device and method for manufacturing the same
04/13/2004US6720420 Photochromic oxazine compounds and methods for their manufacture
04/13/2004US6719926 Chromene compound
04/13/2004US6719925 Photochromism; ophthalmic lenses
04/08/2004WO2004029710A1 Method for producing an electrochromic device and said electrochromic device
04/08/2004WO2003001288A3 Displays for high resolution images and methods for producing same
04/07/2004EP1405891A1 Photochromic material and color dose meter using the same
04/07/2004EP1405890A1 Thermochromic material
04/01/2004WO2004026988A1 Photochromic polymer composition and production, post-processing and use thereof
04/01/2004US20040061097 Solvent; cathodic and anodic electroactive material; automobiles
03/2004
03/31/2004CN1143781C Method and products for photochromic marking and/or for securing authenticity of objects
03/30/2004US6713536 Removable imbibition composition of photochromic compound and epoxy and polyol kinetic enhancing additives
03/30/2004US6713146 Singly recordable compact disc (cd-r)
03/25/2004US20040056239 Electrochromic system
03/25/2004DE10242435A1 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
03/23/2004US6710906 Controlled diffusion coefficient electrochromic materials for use in electrochromic mediums and associated electrochromic devices
03/16/2004US6706218 Polythiophenes in a sensing system, which will change color at a specific design temperature
03/11/2004US20040049040 Pohtochromic material
03/11/2004US20040046156 Photochromic curable composition and cured articles thereof
03/10/2004EP1058861A4 Electrochromic display device
03/10/2004CN1141680C Guantum dot safety device and method
03/03/2004EP1394595A1 PLASTIC MOLDED PRODUCT HAVING PHOTOCHROMIC CHARACTERISTICS AND/OR POLARIZING CHARACTERISTICS
03/03/2004EP0958288B1 Photochromic naphtopyrane colorants, method for the production and use thereof, photochromic object
03/03/2004EP0917556B1 Electrochromic indicating device
03/02/2004US6700693 Electrochromic devices having an electron shuttle
03/02/2004US6700692 Electrochromic rearview mirror assembly incorporating a display/signal light
02/2004
02/26/2004WO2003057679A9 Photochromic oxazine compounds and methods for their manufacture
02/24/2004US6696229 Providing superimposed layers of photochromic materials of various photosensitivities; scanning; generating digital file; radiation, developing pixel
02/19/2004WO2004015024A1 Photochromic and electrochromic compounds and methods of synthesizing and using same
02/19/2004US20040032638 Electrochromic devices with thin bezel-covered edge
02/19/2004CA2494920A1 Photochromic and electrochromic compounds and methods of synthesizing and using same
02/17/2004CA2196513C Method for improving light-fastness of reversible thermochromic compositions at the time of color extinguishment
02/12/2004WO2004013688A1 Holographic surface mask etching and optical strucdtures
02/12/2004WO2003054506A3 Deuterium-based chemiluminescent 1,2-dioxetanes
02/12/2004US20040030078 Novel photochromic polymers and methods of synthesizing same
02/11/2004EP1388749A1 Plastic photochromic lenses for glasses and process for their production
02/11/2004CN1137956C Preparing method for blue fluorescent powder
02/05/2004WO2004011965A1 Plastic photochromic lens and method for preparation thereof
02/05/2004US20040021928 Electrolytes for electrooptic devices comprising ionic liquids
02/04/2004EP1386317A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer
01/2004
01/29/2004WO2002075441A3 Electrochromic display device and compositions useful in making such devices
01/29/2004US20040019180 Polymer containing 9-oxo-9-phosphafluorene-2,7-diyl skeleton in backbone and process for producing the same
01/28/2004EP1204714B1 Bi-or terthienyl substituted photochromic naphtho 2,1-b]pyran compounds
01/22/2004WO2004007634A2 Emissive, high charge transport polymers
01/22/2004US20040014995 Chromene compounds
01/22/2004US20040013375 Novel substituted-polyaryl chromophoric compounds
01/20/2004CA2191939C Method for improving light-fastness of reversible thermochromic compositions at the time of color development
01/14/2004EP1379914A1 Matrix addressable electrochromic display device
01/14/2004CN1467261A Photochromics, photochromic materials and methods for manufacturing the same
01/08/2004WO2004003107A1 Potochromic liquid crystals
01/08/2004WO2002080164A9 Optical recording medium
01/08/2004US20040005472 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,
01/07/2004EP1378532A1 Polymer containing 9-oxo-9-phosphafluorene-2,7-diyl skeleton in backbone and process for producing the same
01/07/2004EP1377978A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers
01/07/2004EP1377976A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer
01/07/2004EP1377975A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness
01/07/2004EP1377974A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound
01/07/2004EP1377973A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light
01/07/2004EP1377971A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer
01/07/2004EP1377970A1 Optical data carrier containing a cyclizable compound in the information layer
01/07/2004EP1377968A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer
01/02/2004EP1374321A1 Electrochemical device
01/02/2004EP1374234A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound
01/02/2004EP1374233A1 Optical data carrier that contains a triazacyanine dye as the light-absorbing compound in the information layer g
01/02/2004EP1373976A1 Electrochemical pixel device
01/02/2004EP1373975A1 Electrochromic device
12/2003
12/31/2003WO2004001877A2 Electrolytes for electrooptic devices comprising ionic liquids
12/31/2003WO2004000970A1 Color tunable photoluminescent blends
12/31/2003WO2004000800A2 Electrochromic salts, solutions, and devices
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... 48