| 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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| 04/13/1993 | US5202450 Phthalic acid derivative metal salt and shading and light-responsive plate containing the metal salt |
| 04/06/1993 | US5200541 Non-centrosymmetric organometallic molecules, process of preparation and application in nonlinear optics and intermediates |
| 04/01/1993 | WO1993006074A1 2-propanol compound and recording material prepared therefrom |
| 03/18/1993 | WO1993005077A2 Substituted cyclopentadithiophene and low bandgap polymers therefrom |
| 03/17/1993 | EP0531298A1 Electrochromic, electroluminescent and electrochemiluminescent displays |
| 03/10/1993 | EP0531143A2 Electrochemichromic solutions, processes for preparing and using the same, and devices manufactured with the same |
| 03/10/1993 | EP0530371A1 Transition metal-spirobenzopyran complex, production thereof, and photochromic material comprising the same |
| 03/10/1993 | EP0530369A1 Crystal comprising indolinospirobenzothiopyran derivative and ring-opening isomer thereof |
| 03/09/1993 | US5192640 Nitrosation, sulfonation, reduction, oxidation, diazotization, and salt formation |
| 03/03/1993 | EP0529100A1 Indolinospirobenzopyran derivative |
| 02/23/1993 | US5189549 Electrochromic, electroluminescent and electrochemiluminescent displays |
| 02/23/1993 | US5189188 Suitable as color formers in pressure-sensitive and thermo reactive dyes; photostability |
| 02/16/1993 | US5187608 Substituted 3,4-polymethylenedioxythiophenes, and polymers and electro responsive devices made therefrom |
| 02/16/1993 | US5186867 Also thermochromic |
| 02/10/1993 | EP0526995A2 An electrochromic material |
| 02/10/1993 | EP0526712A1 Photochromic ultra-violet ray shield powder, method of manufacturing the same, and skin external preparations using the same |
| 02/04/1993 | WO1993002383A1 Nonlinear optical materials containing polar disulfone-functionalized molecules |
| 02/04/1993 | CA2110377A1 Nonlinear optical materials containing polar disulfone-functionalized molecules |
| 02/03/1993 | EP0525626A1 Compounds containing acid-cleavable protective groups and positive-working radiation-sensitive compositions prepared using these compounds |
| 02/03/1993 | EP0525535A1 Thermoreactive recording material with improved stability |
| 02/02/1993 | US5183726 Using photochromic material capable of recording and erasing information utilizing color change; useful for displays, filters for adjusting amount of light, photographic printing and paint |
| 01/27/1993 | EP0524692A1 Photochromatic and thermochromatic compounds and their application in polymeric materials |
| 01/27/1993 | EP0524419A1 Heat-sensitive recording materials and phenol compounds |
| 01/19/1993 | CA2074043A1 Method of making transparent pyrolytic copper oxide coating on a glass surface |
| 01/19/1993 | CA1312873C Colorless ferric alkylphosphates |
| 01/12/1993 | US5179467 Charge transfer salts and uses thereof |
| 01/12/1993 | US5178670 Fluoran, 3,1-benzoxazine or lactone colorformers for black pressure or heat sensitive elements |
| 01/05/1993 | US5177227 Photochromic naphthacenequinones, process for their preparation and the use thereof |
| 01/05/1993 | US5177218 Photochromic benzothioxanthone oxides, process for their preparation and the use thereof |
| 01/05/1993 | US5176943 Optical recording medium with antistatic hard coating |
| 12/23/1992 | WO1992022687A1 Electrically conductive polymer composition, method of making same and device incorporating same |
| 12/16/1992 | EP0518470A1 Negative-acting thermographic materials |
| 12/15/1992 | US5171636 Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation |
| 12/08/1992 | US5169953 Electrochromic compositions based on diketopyrrolopyrroles |
| 11/26/1992 | WO1992021052A1 Electrochromic light valve and method of manufacturing it, as well as its use |
| 11/24/1992 | US5166345 Spirooxazine polymerizable compounds |
| 11/19/1992 | DE4116059A1 Elektrochromes lichtventil und verfahren zu dessen herstellung sowie anwendung desselben Electrochromic light valve and method for its production as well as application thereof |
| 11/17/1992 | US5164287 Photochromic material and rewritable optical recording medium |
| 11/12/1992 | WO1992019694A1 Electrochromic device |
| 11/11/1992 | EP0512477A1 Thermal imaging methods and materials |
| 11/07/1992 | CA2068031A1 Thermal imaging methods and materials |
| 11/03/1992 | US5161048 Electrochromic window with metal grid counter electrode and acidic polyelectrolyte |
| 10/28/1992 | EP0510445A1 Acid-cleavable radiation-sensitive compounds, radiation-sensitive composition containing the same and radiation-sensitive recording material prepared therefrom |
| 10/28/1992 | EP0510444A1 Acid-cleavable radiation-sensitive compounds, radiation-sensitive composition containing the same and radiation-sensitive recording material prepared therefrom |
| 10/28/1992 | EP0510164A1 Material and electrochromic cell for light modulation, and method for producing same |
| 10/27/1992 | CA1309538C Resin composition |
| 10/21/1992 | EP0509588A1 Process for preparing polyindols, compositions, electroconductive device containing the same and use of polyindols |
| 10/14/1992 | EP0508269A1 Radiation-sensitive ester and process for its production |
| 10/14/1992 | EP0508219A2 Photochromic substances |
| 10/13/1992 | US5155230 Photochromic dinitrated spiropyrans |
| 10/10/1992 | CA2065475A1 Radiation-sensitive ester and process for its preparation |
| 10/06/1992 | CA1308330C Dispersions |
| 10/01/1992 | WO1992016538A1 Transition metal-spirobenzopyran complex, production thereof, and photochromic material comprising the same |
| 10/01/1992 | WO1992016531A1 Crystal comprising indolinospirobenzothiopyran derivative and ring-opening isomer thereof |
| 10/01/1992 | WO1992016505A1 Indolinospirobenzopyran derivative |
| 09/29/1992 | US5151816 Glutaronitrile solvent |
| 09/29/1992 | US5151224 Tetrasulfonated metal phthalocyanine doped electrically conducting electrochromic poly(dithiophene) polymers |
| 09/29/1992 | CA1307876C Particulate material |
| 09/22/1992 | US5149580 Vinylidene cyanide-vinyl benzoate derivative nonlinear optical polymers |
| 09/15/1992 | US5147923 Thermotropic biphilic hydrogels and hydroplastics |
| 09/09/1992 | EP0502506A1 A photochromic material and an optical storage medium using the same |
| 09/08/1992 | US5145609 Linear polyether-containing electrochemichromic solutions and related devices |
| 09/02/1992 | WO1992016027A1 Electrochromic and electrocatalytic material |
| 09/02/1992 | CA2105283A1 Electrochromic and electrocatalytic material |
| 09/01/1992 | US5144044 Non-linear optical material and non-linear optical device |
| 08/25/1992 | US5142407 Method of reducing leakage current in electrochemichromic solutions and solutions based thereon |
| 08/25/1992 | US5142045 Xanthene, acridine, and thioxanthene moieties pendant from polymer background |
| 08/20/1992 | WO1992013927A1 Capped photochromic silver compositions for incorporation into a plastic matrix |
| 08/18/1992 | US5140455 Oxidation/reduction of anodic and cathodic materials which colors in presence of applied voltage and bleaches to colorless in absence of voltage; used as review mirrors in automobiles in night driving conditions |
| 08/18/1992 | US5139707 Indolino-spiroquinoxalino oxazine photochromatic compounds, methods for their preparation, photochromic compositions and articles containing such compounds |
| 08/12/1992 | CN1017842B Optical rcording medium nd optical recording method |
| 08/04/1992 | US5135842 Thermal dye bleach construction |
| 07/22/1992 | EP0495185A2 Recording/reproducing method for optical recording medium |
| 07/22/1992 | CN1062917A Rare-earth fluorescent composition and its usage |
| 07/15/1992 | EP0198082B1 Polarizing film |
| 07/14/1992 | US5130841 Method of making an electrochromic material and new electrochromic material |
| 07/14/1992 | US5130058 Photochromic compound, process for production thereof, use thereof and composition containing said photochromic compound |
| 07/14/1992 | CA1305271C Photochromic articles |
| 07/08/1992 | EP0494048A1 Photochromic benzothioxanthoneoxides, process for their preparation and their use |
| 07/07/1992 | US5128799 Variable reflectance motor vehicle mirror |
| 07/04/1992 | CA2058393A1 Photochromic benzothioxanthone oxides, process for their preparation and the use thereof |
| 07/01/1992 | EP0492387A2 Solid-state electrochromic device with proton-conduction polymer electrolyte |
| 06/30/1992 | CA1304530C2 Vinylidene fluoride polymeric compositions of non-linear optical properties |
| 06/24/1992 | EP0491515A2 Use of amorphous carbon to promote adhesion between electroactive polymer films and conductive substrates |
| 06/23/1992 | US5124308 Reacts with transition metal salt for carbonless paper copying |
| 06/11/1992 | WO1992009374A1 Films for non-linear optics |
| 06/10/1992 | EP0489689A1 Photochromic naphthacenequinones, process for their production and their use |
| 06/10/1992 | EP0489655A1 Indoline-spiro-benzoxazine photochromic compounds and process for their preparation |
| 06/09/1992 | CA1302769C Photopolymerizable composition and photopolymerizable recording material containing same |
| 06/06/1992 | CA2056854A1 Photochromic naphthacenequinones, their preparation and the use thereof |
| 06/04/1992 | WO1992009593A1 Photochromic naphthopyrans |
| 06/03/1992 | EP0488869A1 Salts of 2-amino-5-nitropyridinium for non-linear and electro-optic use, and a process for their preparation |
| 06/03/1992 | EP0488397A1 Nonlinear optical element |
| 06/03/1992 | EP0488153A1 Optical recording medium |
| 05/29/1992 | WO1992009004A1 Material and electrochromic cell for light modulation, and method for producing same |
| 05/29/1992 | CA2073565A1 Material and electrochromic cell for light modulation, and method for production same |
| 05/19/1992 | US5114621 Indolino-spiro-oxazine photochromic compounds with five-membered rings, method for their preparation, photochromic compositions and articles containing such compounds |
| 05/13/1992 | EP0485224A2 Polyether-containing electrochemichromic solutions |
| 05/13/1992 | EP0484390A1 Novel photoactive compounds |
| 05/13/1992 | EP0156912B1 Temperature supervision and display unit |