| 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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| 05/06/1992 | EP0483542A1 A photochromic material and an optical storage medium using the same |
| 05/05/1992 | US5111327 Substituted 3,4-polymethylenedioxythiophenes, and polymers and electro responsive devices made therefrom |
| 05/05/1992 | US5110922 Condensation, cyclization |
| 05/05/1992 | US5110916 Bis (octaalkylphthalocyaninate) lanthanides |
| 04/28/1992 | CA1299713C Second harmonic generation with 5-chloro-2-nitroaniline |
| 04/21/1992 | US5106998 Photochromic compound, composition and use thereof |
| 04/15/1992 | EP0359795B1 Zwitterion nlo-chromophores |
| 04/14/1992 | US5104954 Thermostropic biphilic hydrogels and hydroplastics |
| 04/14/1992 | CA1298904C Display material |
| 04/01/1992 | EP0477565A2 Organic nonlinear optical material |
| 03/31/1992 | US5101411 Semiconductors |
| 03/31/1992 | US5100523 Use of amorphous carbon to promote adhesion between electroactive polymer films and conductive substrates |
| 03/25/1992 | EP0477140A2 Pressure- or heat-sensitive recording material |
| 03/25/1992 | EP0476612A2 Stabilizing mixture for compounds having photochromatic activity |
| 03/25/1992 | EP0476338A2 Polyviologen modified electrode and use thereof |
| 03/24/1992 | US5099071 Anthanthrone derivatives |
| 03/24/1992 | CA1297883C Vapochromic double-complex salts |
| 03/18/1992 | CA2051320A1 Pressure-sensitive or heat-sensitive recording material |
| 03/17/1992 | US5097527 Cladding containing single crystal of methyl 4-hydroxybenzoate and coupling agent |
| 03/11/1992 | EP0474431A1 Amphiphilic compounds for sequential monolayer deposition |
| 03/11/1992 | EP0474402A2 Chromophore-containing compounds for opto-electronic applications |
| 03/10/1992 | US5095120 Process for the preparation of photochromic spiropyran compounds |
| 03/06/1992 | CA2050717A1 Amphiphilic compounds for sequential monolayer depositon |
| 03/06/1992 | CA2050716A1 Chromophore-containing compounds for opto-electronic applications |
| 02/26/1992 | CN1015628B Conducting substituted polyisothianphthenes |
| 02/25/1992 | US5091538 Dicyanovinylsubstituted furan derivatives |
| 02/25/1992 | US5091010 Chromatic-color metal flake pigment and colored composition compounded therewith |
| 02/25/1992 | CA1296186C Cyan dye-donor element for thermal dye transfer |
| 02/18/1992 | CA1296085C Variable light transmission factor glizing, electrochromic type |
| 02/04/1992 | US5085801 Temperature indicators based on polydiacetylene compounds |
| 01/29/1992 | EP0228422B1 Thermal-translucid gel, method for its preparation and utilization thereof |
| 01/28/1992 | US5084370 Recording medium for optical data storage |
| 01/22/1992 | EP0467846A1 New electrochromic compositions based on diketopyrrolopyrroles |
| 01/22/1992 | EP0467552A1 Photochromic compositions |
| 01/21/1992 | CA2047392A1 Electrochromic compositions based on diketopyrrolopyrroles |
| 01/14/1992 | US5080764 Novel polymeric nonlinear optical materials from anisotropic dipolar monomers |
| 01/14/1992 | US5080507 Optical wavelength converting method |
| 01/14/1992 | US5080471 Electrochromic material and electro-optical device using same |
| 01/09/1992 | WO1992000547A1 Polymeric compositions |
| 12/31/1991 | US5077395 Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids and processes for their preparation and use |
| 12/27/1991 | EP0462275A1 Powder which radiates feeble-energy infrared rays, synthetic fiber containing the same, and textile products produced therefrom |
| 12/25/1991 | CN1057286A Process for reproducing green phosphor for color cathode ray tube |
| 12/18/1991 | EP0461970A1 New electrochrome materials and process of manufacturing the same |
| 12/11/1991 | EP0460714A2 Preparation process for polar and apolar superparamagnetic fluids |
| 11/26/1991 | US5068318 Diamenodinitroazo dyes |
| 11/26/1991 | US5068062 Reversibly color-changeable materials |
| 11/26/1991 | US5068056 Aqueous dispersions of acicular titanium dioxide |
| 11/19/1991 | US5066818 Photochromic naphthopyran compounds |
| 11/13/1991 | EP0456469A2 Photosensitive heat-resistant polymer having hydroxyphenyl group |
| 11/12/1991 | US5064576 Steam sensitive composition and a sterilization indicator composition containing the same |
| 11/06/1991 | EP0321563B1 Spirooxazine compounds, photosensitive materials using them, and process for forming them |
| 10/22/1991 | US5059515 Stabilizers for color photographic recording materials |
| 10/22/1991 | US5059356 Polarizing film |
| 10/15/1991 | US5057560 Thermotropic copolymer hydrogels from N,N-dimethylacrylamide and methoxy-ethyl (meth) acrylate |
| 10/08/1991 | US5055576 Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation |
| 10/02/1991 | EP0449741A1 Electrophotographic photosensitive member |
| 10/02/1991 | EP0449254A2 Fiber type wavelength converter and module |
| 09/24/1991 | CA1289508C Manufacturing of a polyparaphenylene film, and uses for film thus made |
| 09/18/1991 | EP0446717A2 Photochromic monomers and polymers derived from them |
| 09/17/1991 | US5049477 Radiation responsive composition |
| 09/11/1991 | EP0445202A1 Materials exhibiting large non linear optical properties. |
| 09/10/1991 | US5047312 Absorption in near infrared, laser light |
| 09/10/1991 | CA1288767C Photochromic compound and articles containing the same |
| 09/05/1991 | WO1991013381A1 Electrochromic, electroluminescent and electrochemiluminescent displays |
| 09/04/1991 | EP0444786A1 Preparation and use of dyes |
| 08/21/1991 | EP0442166A1 Illuminometers containing photochromatic substances |
| 08/14/1991 | CN1013500B Brightening agent for sodium tripolyphosphate |
| 08/05/1991 | WO1999039197A1 Substrate for packaging perishable goods or for application onto same and method for determining the quality of said goods |
| 07/30/1991 | US5035987 Development inhibitor releasing couplers |
| 07/24/1991 | EP0438376A1 Photochromic naphthacenchinones, process for their production and their use |
| 07/19/1991 | CA2034316A1 Photochromic naphthacenequinones, process for their preparation and the use thereof |
| 07/09/1991 | US5030331 Evaporating iridium and carbon by electron beam or sputtering, heating composite film in oxidizing atmosphere, electrolytic oxidation by alternating potential in aqueous solution |
| 07/03/1991 | EP0435689A2 Electrochemichromic solutions and devices containing them |
| 07/03/1991 | CN1052712A Powder for infrared micro energy emitting and synthetic fibres mixing same in and fibrous goods therefrom |
| 06/26/1991 | EP0434452A1 Electrochemichromic solutions |
| 06/26/1991 | EP0434213A1 Monosubstituted dithiooxamide compounds and their use |
| 06/21/1991 | WO1991009088A1 Powder which radiates feeble-energy infrared rays, synthetic fiber containing the same, and textile products produced therefrom |
| 06/19/1991 | EP0432841A2 Spiro-indoline-oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparation |
| 06/19/1991 | EP0432839A2 Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation |
| 06/18/1991 | US5024988 Color reaction system comprising a polycyclic heterocyclic compound, a leuko dye to form a chromogen with the first compound, a Lewis acid and developer |
| 06/18/1991 | US5024923 Sulfur-containing metal complex |
| 06/13/1991 | WO1991008507A1 Charge transfer salts and uses thereof |
| 06/12/1991 | EP0431547A2 Charge transfer salts and uses thereof |
| 06/12/1991 | EP0431422A1 Bis-triazylmethane compounds |
| 06/05/1991 | EP0430881A2 Photochromic compounds, process for their preparation and their use |
| 06/05/1991 | EP0430686A2 Electrochemichromic viologens |
| 06/05/1991 | EP0430684A2 Electrochemichromic solutions and devices containing such solutions |
| 06/05/1991 | EP0430139A2 Polymeric nonlinear optical materials from anisotropic dipolar monomers |
| 05/30/1991 | WO1991007658A1 Gas sensors and compounds suitable therefor |
| 05/30/1991 | CA2030955A1 Photochromic compounds, a process for their preparation, and their use |
| 05/28/1991 | CA2030835A1 Polymeric nonlinear optical materials from anisotropic dipolar monomers |
| 05/22/1991 | EP0428478A1 Ceramic Filterbody with indicator for preheating |
| 05/21/1991 | US5017698 Spirooxazine photochromic compounds |
| 05/21/1991 | US5017225 Microencapsulated photochromic material, process for its preparation and a water-base ink composition prepared therefrom |
| 05/18/1991 | CA2030192A1 Monosubstituted dithiooxamide compounds and their use |
| 05/15/1991 | EP0427404A2 Anthanthrone derivatives |
| 05/15/1991 | EP0426717A1 Optical memory. |
| 05/14/1991 | US5015416 Photochromic polymeric membrane |
| 05/03/1991 | CA2028435A1 Preheat indicator |
| 04/30/1991 | US5011944 Electrochromism; intermediates for substituted napthquinones and tetrathiotetracenes |