| 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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| 02/05/2003 | EP1281743A2 Rewritable media |
| 02/05/2003 | CN1394741A Photochromic sandwich glass |
| 01/23/2003 | WO2002044301A3 Particles with opalescent effect |
| 01/22/2003 | EP1276780A2 Polymerizable composition of allyl functional monomers |
| 01/21/2003 | US6509999 Electrochromic device having improved switching behavior |
| 01/16/2003 | WO2003005117A1 Display element |
| 01/16/2003 | US20030013041 Write-once optical data carrier |
| 01/16/2003 | US20030010963 Organic electrochromic materials and polymers for optical attenuation in the near infrared region |
| 01/15/2003 | EP1275025A1 Substituted metallocenes for use as anodic electrochromic materials, and electrochromic media and devices comprising the same |
| 01/15/2003 | EP0973811B1 Self-light-stabilized photochromic polymer, its preparation and articles containing same |
| 01/15/2003 | CN1391568A Naphthopyrans annelated in C5-C6 with indene- or dihydronaphthalene-type and compositions and matrices containing them |
| 01/14/2003 | US6507428 Multilayer glass coatings comprising organosulfur polymers, polyethylene glycol and bronsted acids electrolyte mixtures, and nickel oxide ion reservoirs, having electroconductivity and electrochromism |
| 01/14/2003 | US6506538 Ophthalmic lenses, contact lenses, solar protection glasses, filters, camera optics or photographic apparatus optics or other optical devices |
| 01/14/2003 | US6506488 Aminoplast resin photochromic coating composition and photochromic articles |
| 01/14/2003 | US6506322 Naphthopyrans annelated in C5-C6 with an indene- or dihydronaphthalene-type carbocycle, and compositions and (co)polymer matrices containing them |
| 01/09/2003 | WO2002080152A3 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/09/2003 | US20030008771 Particle matrix with opalescent effect has monodisperse spheres and secondary types of smaller colloidal particles occupying empty spaces between the monodisperse spheres |
| 01/09/2003 | US20030008234 Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer |
| 01/09/2003 | US20030006516 Radiation transparent subsrates; reflecting layer |
| 01/08/2003 | EP1272494A2 Photochromic spiro(indoline)naphthoxazines |
| 01/08/2003 | CN1390303A Full history time-temperature indicator system |
| 01/03/2003 | WO2003001290A1 Electrochromic organic polymer synthesis and devices utilizing electrochromic organic polymers |
| 01/03/2003 | WO2003001288A2 Displays for high resolution images and methods for producing same |
| 01/03/2003 | WO2003001168A2 Thermochromic polymers for rapid visual assessment of temperature |
| 01/03/2003 | CA2451615A1 Electrochromic organic polymer synthesis and devices utilizing electrochromic organic polymers |
| 01/03/2003 | CA2450586A1 Displays for high resolution images and methods for producing same |
| 01/02/2003 | US20030003396 Reflection, protective or covering layers which can be written on or read by blue, red or infrared light |
| 01/02/2003 | EP1271227A1 Electrochromic display for high resolution and method of producing the same |
| 01/01/2003 | CN1388826A Organic electroluminescent element |
| 12/27/2002 | WO2002102923A1 Photochromic material and color dose meter using the same |
| 12/26/2002 | US20020197562 Photochromic compositions and photochromic ophthalmic articles |
| 12/26/2002 | US20020197561 Information layer comprises a light-absorbent compound that is a dye which cyclizes thermally |
| 12/26/2002 | US20020197486 At least one reducible and at least one oxidizable substance OX2 and RED1, respectively, which are linked to one another via a bridge |
| 12/26/2002 | US20020197439 Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer |
| 12/26/2002 | US20020196518 Forming 3,3-dimethyl-3,4-dihydro-2h-thieno(3,4-b)(1,4)dioxepine by reacting 3,4-dimethoxythiophene and 2,2-dimethyl-1,3-propanediol in refluxing toluene |
| 12/25/2002 | CN1387532A Naphthopyrans with heterocyclic in 5,6-position, preparation, and compositions and matrices contg. them |
| 12/25/2002 | CN1387524A Naphthopyrans having perfluoroalkyl substituent in position 5, preparation and compositions and matrices contg. them |
| 12/19/2002 | WO2002100974A2 Core guest host system comprising a chromophore in a polycarbonate matrix |
| 12/19/2002 | WO2002080161A3 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 12/19/2002 | US20020191270 Stable conjugated polymer electrochromic devices incorporating ionic liquids |
| 12/19/2002 | DE10115227A1 Optischer Datenträger enthaltend in der Informationsschicht eine lichtabsorbierende Verbindung mit mehreren chromophoren Zentren Optical data storage medium in the information layer containing a light absorbing compound having a plurality of chromophoric centers |
| 12/18/2002 | EP1266265A1 Platemaking system and method using an imaging mask made from photochromic film |
| 12/18/2002 | EP1265938A1 Optical resin composition |
| 12/17/2002 | US6496294 Anodic electroactive materials having a solublizing moiety |
| 12/17/2002 | US6494950 Thermochromic microencapsulated pigments |
| 12/12/2002 | WO2002099513A1 Plastic molded product having photochromic characteristics and/or polarizing characteristics |
| 12/12/2002 | US20020188043 Photochromic diarylethene substituted with isoxazole group |
| 12/12/2002 | US20020186450 Photochromic gyricon display |
| 12/05/2002 | US20020181068 Electrochromic or photoelectrochromic device |
| 12/04/2002 | EP1262817A1 Photochromic gyricon display |
| 12/04/2002 | EP0901494B1 Photochromic spiroxazines with an asymmetric monocyclic substituent, compositions and articles containing them |
| 12/03/2002 | US6489018 Reversibly thermochromic light-transmitting laminate member |
| 11/28/2002 | DE10124363A1 Thermotrope Folie und Verfahren zu deren Herstellung Thermotropic foil, and processes for their preparation |
| 11/27/2002 | EP1260872A2 Marking particles |
| 11/27/2002 | EP1260498A1 Novel color former and recording material |
| 11/27/2002 | EP1112264B1 Polyalkoxylated naphthopyrans |
| 11/26/2002 | US6486998 Color-stabilized electrochromic devices |
| 11/26/2002 | US6486319 Thermochromic rylene dyes |
| 11/26/2002 | US6485824 Reversibly thermochromic microcapsulated pigment containing an electron-donating color forming organic compound, an electron accepting compound and a reaction medium determining the temperature at which the color reaction takes place |
| 11/21/2002 | WO2002093236A1 Plastic photochromic lenses for glasses and process for their production |
| 11/21/2002 | WO2002092721A1 Thermochromic material |
| 11/21/2002 | US20020172793 Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer |
| 11/21/2002 | US20020171907 Matrix Addressable electrochromic display device |
| 11/21/2002 | US20020171081 Electrochromic display device and compositions useful in making such devices |
| 11/20/2002 | EP1258504A1 Thermotropic foil and method of manufacturing the same |
| 11/20/2002 | EP0931278B1 Photochromic organic material, its manufacture and the photochromic articles containing it |
| 11/12/2002 | US6479293 Temperature indicating material and temperature monitoring member |
| 11/07/2002 | WO2002089128A1 An optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 11/05/2002 | US6476103 Photochromic organic material, its manufacture and the photochromic articles containing it |
| 10/31/2002 | WO2002086879A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound |
| 10/31/2002 | WO2002086878A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 10/31/2002 | WO2002068538A3 Thermochromic rylene dyes |
| 10/31/2002 | US20020161165 Chromogen in polymer matrix |
| 10/31/2002 | US20020158295 Electrochemical device |
| 10/30/2002 | EP1169667B1 Electrochromic device with nanoparticles and uv-absorbers in the protective coating |
| 10/24/2002 | WO2002084656A1 Optical data carrier that contains a triazacyanine dye as the light-absorbing compound in the information layer g |
| 10/24/2002 | US20020155381 Multilayer; radiation transparent substrate, reflection layers, protective coatings |
| 10/24/2002 | US20020154379 Electrochromic rearview mirror assembly incorporating a display/signal light |
| 10/22/2002 | US6468088 Solid having reversibly invisible/visible thermochromic construction enclosed therein |
| 10/17/2002 | WO2002000920A3 Ingestibles possessing intrinsic color change |
| 10/17/2002 | US20020149003 Thermochromic polymers for rapid visual assessment of temperature |
| 10/16/2002 | EP1248778A1 Substituted photochromic 2h-naphtho 1,2-b] pyran compounds |
| 10/16/2002 | CN1374364A Prepn of curing allochroic film |
| 10/15/2002 | US6466355 UV protected electrochromic device |
| 10/10/2002 | WO2002080164A1 Optical recording medium |
| 10/10/2002 | WO2002080163A1 Optical data carrier containing a cyclizable compound in the information layer |
| 10/10/2002 | WO2002080162A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light |
| 10/10/2002 | WO2002080161A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080160A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080159A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080152A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080150A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 10/10/2002 | US20020145790 UV-protected electrochromic solution |
| 10/10/2002 | DE10117464A1 Optical data medium for information recording, has cover layer and adhesive layer having preset total thickness, and recorded and readout with focussing objective lens setup having preset numerical aperture |
| 10/03/2002 | WO2002077984A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound |
| 10/03/2002 | US20020141032 Controlled diffusion coefficient electrochromic materials for use in electrochromic mediums and associated electrochromic devices |
| 10/01/2002 | US6458165 First polymer in which is dispersed a chelating agent and a photochromic spiropyran and encapsulated within a shell of a second polymer formulated by an interfacial polymerization. |
| 09/26/2002 | WO2002075442A1 Matrix addressable electrochromic display device |
| 09/26/2002 | WO2002075441A2 Electrochromic display device and compositions useful in making such devices |
| 09/26/2002 | US20020136898 Electrochromic device |