| 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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| 02/17/1981 | CA1096020A1 Reversible electrochromic display device having memory |
| 02/05/1981 | WO1981000308A1 Solid state electrochromic display |
| 02/03/1981 | CA1094857A1 Stabilized photochromic materials |
| 01/27/1981 | CA1094671A1 Visual image display device |
| 01/07/1981 | EP0020974A1 Electrochromic printing ink dissolved in water and method for printing with this printing ink |
| 01/07/1981 | EP0020468A1 Optoelectric cell |
| 12/23/1980 | US4240713 Electrode barrier layer for hydrogen-colored electrochromic displays |
| 12/10/1980 | EP0019919A2 Electrochemical display device |
| 12/10/1980 | EP0019692A1 Electrolyte for an electrochromic display and an electrochromic display cell comprising this electrolyte |
| 12/02/1980 | US4236792 Electrochromic display and method for making same |
| 11/25/1980 | US4235108 Device for measuring temperature using co-crystallized acetylenic compositions |
| 11/13/1980 | WO1980002462A1 Electrochromic display using rare-earth diphthalocyanines and a low-freezing-point electrolyte |
| 11/11/1980 | US4233339 Method for making electrochromic films having improved etch resistance |
| 11/04/1980 | US4231641 Electro-optic device |
| 11/04/1980 | CA1089062A1 Phthalocyanine electrochromic display |
| 10/29/1980 | EP0017915A1 Use of phototropic organic compounds to control the transmission of electromagnetic radiation, and phototropic compounds |
| 09/17/1980 | EP0015402A1 Electrochromic display device |
| 09/09/1980 | CA1085525A1 Matrix addressed electrochromic display |
| 09/02/1980 | US4220708 3-furyl or 3-thienyl alkylidene succinic anhydrides or succinimides; copying, displaying devices |
| 07/29/1980 | US4215010 Substituted 1,3,3-trimethylspiro(indoline-2,3'-(3h)-napth(2,1-b)(1,4)oxazine) |
| 07/15/1980 | CA1081447A1 High efficiency electrochromic display device |
| 07/08/1980 | US4211616 Electrochromic printing system |
| 07/08/1980 | US4211475 Electro-optic display device using a vitreous solid ion-conductive material |
| 07/08/1980 | CA1081350A1 Electrochromic display devices comprising substituted fluorene compounds |
| 07/01/1980 | US4210390 Electrochromic composition and electrochromic display device using same |
| 06/25/1980 | EP0012419A1 An electrochromic display device |
| 06/11/1980 | EP0012079A1 Spiropyrane derivatives of piperidine or thiazine cycles, process for their preparation and their use in photochromic compositions |
| 05/13/1980 | CA1077608A1 Preparation of improved electrochromic devices |
| 05/01/1980 | WO1980000880A1 Optoelectric cell |
| 04/22/1980 | CA1076238A1 Paper counter-electrode for electrochromic devices |
| 04/15/1980 | CA1075799A1 Erasable visual image display device |
| 03/25/1980 | CA1074429A1 Polymeric electrolyte for electrochromic display devices |
| 03/25/1980 | CA1074168A1 Photochromic particle consisting of agx crystal with an inorganic oxide coating |
| 03/19/1980 | EP0008750A1 Electrochromic display device |
| 03/18/1980 | US4193670 Electrochromic devices having protective interlayers |
| 03/11/1980 | US4192581 Electrochromic display device |
| 02/26/1980 | US4189942 Temperature indicating device using a pressure sensitive polyisobutylene adhesive seal |
| 02/05/1980 | US4187003 Electrolyte for electrochromic display device |
| 01/15/1980 | US4183631 Electrochemically irreversible porous metal counterelectrode |
| 11/27/1979 | US4175838 Electro-optic device |
| 11/27/1979 | US4175837 Electrochromic display cell |
| 11/14/1979 | EP0005379A2 Photosensitive compositions containing carbonylic halides as activators |
| 11/13/1979 | US4174152 Electrochromic devices with polymeric electrolytes |
| 10/23/1979 | CA1064951A1 Styryl-like compounds and preparing the same |
| 10/23/1979 | CA1064858A1 Color-changing indoline-heterocyclic compounds |
| 10/09/1979 | US4170406 Electrochromic devices having protective interlayers |
| 10/03/1979 | EP0004291A2 Reactive medium for electrochromic display devices and electrochromic display including such reactive medium |
| 08/28/1979 | US4166043 Protective coatings |
| 08/14/1979 | CA1060456A1 Preparation of novel photochromic compounds and imaging members |
| 06/27/1979 | EP0002573A1 Information storage material |
| 06/19/1979 | US4158890 Frequency selective optical data storage system |
| 06/12/1979 | CA1056524A1 Displays using liquid mediums |
| 05/29/1979 | US4156559 Silver halide electrolyte |
| 05/16/1979 | EP0001912A1 Electrolyte for electrochromic display device |
| 05/15/1979 | CA1054700A1 Electrochromic device |
| 05/08/1979 | CA1054247A1 Seal for electro-optical device |
| 04/24/1979 | US4150879 Solid dry electrochromic display |
| 03/27/1979 | US4146876 Matrix addressed electrochromic display |
| 03/13/1979 | CA1050641A1 Electrochromic display utilizing cyanine dye |
| 03/07/1979 | EP0000868A1 Body with reversibly changeable temperature dependent extinction of light and method for the manufacture of this body |
| 03/06/1979 | US4142783 Copolymer with covalently bonded electroactive molecules |
| 02/13/1979 | US4139276 Reversibility, stability |
| 02/13/1979 | US4139275 Electrochromic display |
| 02/13/1979 | US4139274 Apparatus for changing color |
| 02/07/1979 | EP0000616A1 Matrix addressable electrochromic display device |
| 02/06/1979 | US4138357 Thermochromic material |
| 01/16/1979 | US4134853 Photochromic composition |
| 12/19/1978 | US4130437 Photochromic glasses suitable for simultaneous heat treatment and shaping |
| 12/19/1978 | CA1044791A1 Electrochromic display electrolyte |
| 11/21/1978 | CA1043006A1 Electrochromic display element and process |
| 10/03/1978 | US4117659 Display cell |
| 09/26/1978 | US4116862 New photochromic materials and method for their preparation |
| 09/26/1978 | US4116545 Polymeric electrolyte for electrochromic display devices |
| 09/26/1978 | US4116535 Picture display cell with memory effect |
| 09/05/1978 | CA1038071A1 Acid wetted "solid" electrochromic structure |
| 08/29/1978 | US4110244 Photochromic plastic material |
| 08/15/1978 | US4106861 Reduced haze photochromic systems |
| 06/20/1978 | US4096087 Electrochromic and photochromic material and a method of fabrication of said material |
| 06/06/1978 | US4093358 Oxidant of triaryl pyrazoline |
| 05/23/1978 | US4090782 Electrochromic display devices comprising thienylidene pyrazoline compounds |
| 05/09/1978 | US4088395 Fibrous pulp permeated with carbon |
| 03/21/1978 | US4080051 Preparation of photochromic gradient lenses of cosmetically improved color |
| 02/14/1978 | US4073570 Electrochromic display device |
| 01/17/1978 | US4069440 Cathode ray tube |
| 01/17/1978 | US4069168 As photochromic agent and infrared absorber; monomer or polymer of allyl glycol carbonates |
| 01/17/1978 | US4068588 Dipyrizylbenzyl bromide |
| 11/29/1977 | US4060311 Electrochromic device |
| 09/20/1977 | US4049846 Photochromic plastic materials |
| 09/20/1977 | US4049567 Silver halide activated photochromic plastics |
| 09/06/1977 | US4046586 Stabilized photochromic materials |
| 08/23/1977 | US4043637 Photochromic light valve |
| 08/02/1977 | US4039255 Color display device with dye and synthetic oil solution |
| 07/26/1977 | US4037928 Visual image display device |
| 07/19/1977 | US4036551 Display apparatus |
| 07/05/1977 | US4033673 Erasable visual image display device |
| 04/26/1977 | US4020147 Hydrothermal |
| 04/19/1977 | US4018508 Electrochromic device and medium therefor |
| 03/22/1977 | US4013343 Electro-optical display arrangement with storage effect using a solid electrolyte |
| 02/08/1977 | US4006585 Electronic timepiece with electrochromic display element |
| 01/25/1977 | US4004849 Two polymer solution |