| 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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| 02/10/2000 | WO2000007040A1 Photochromic ophthalmic lens |
| 02/10/2000 | DE19834940A1 New photochromic spiro compounds used with preferably polythiourethane matrix in phototropic glass, preferably for ophthalmologic applications, and optical measuring, recording and storage matrix are e.g. spiro(fluorene-pyrrolophthalazines) |
| 02/10/2000 | DE19833176A1 Apparatus for measuring and displaying ultraviolet radiation for use e.g. on wrist watch, clothing, vehicle, window, outdoor display or packaging uses sodalite mineral for displaying radiation as color change |
| 02/10/2000 | CA2338225A1 Photochromic ophthalmic lens |
| 02/09/2000 | CN1049232C Fluorescent dye with double chromogens and preparing process thereof |
| 02/08/2000 | US6023364 Electrochromic mirror |
| 02/08/2000 | US6022496 Chromene compound |
| 02/03/2000 | WO2000005602A1 Photochromic plastic object |
| 02/03/2000 | WO2000005325A1 Photochromic compounds, process for their preparation and their use in polymeric materials |
| 02/03/2000 | DE19834227A1 Photochromic silver halide composition useful in photochromic glasses, lenses and sun and light shades has silver halide crystals in hybrid polymer with covalently linked silicate and protein structures |
| 02/02/2000 | EP0975709A1 Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices |
| 02/02/2000 | EP0975619A1 INTENSE COLOURING PHOTOCHROMIC 2$i(H)-NAPHTHO 1,2-$i(b)]PYRANS AND HETEROCYCLIC PYRANS |
| 02/01/2000 | US6020987 Electrochromic medium capable of producing a pre-selected color |
| 01/26/2000 | EP0974075A1 Black-pigmented structured high molecular weight material |
| 01/26/2000 | EP0973811A1 Self-light-stabilized photochromic polymer, its preparation and articles containing same |
| 01/26/2000 | EP0973761A1 RED COLOURING HYPERCHROMIC 3$i(H)-NAPHTHO 2,1-$i(b)]PYRANS |
| 01/25/2000 | US6018059 Interesting photochromic properties; can be crosslinked or polymerized when functionalized with epoxy, alkenyl, or (meth)acryloyl groups; ophthalmic devices, glazings, or solar articles |
| 01/25/2000 | US6018002 The smooth compact surface exhibiting blue photoluminescence when irradiated with ultraviolet light, prepared by fast burning a hydrogen silsesquioxane powders in a crucible in oxygen before ceramification the exterior surface |
| 01/19/2000 | EP0972227A1 An improved electrochromic medium capable of producing a pre-selected color |
| 01/19/2000 | EP0971914A2 NEUTRAL COLOURING PHOTOCHROMIC 2$i(H)-NAPHTHO 1,2-$i(b)]PYRANS AND HETEROCYCLIC PYRANS |
| 01/18/2000 | US6016215 Variable transmittance electrochromic devices |
| 01/18/2000 | CA2108839C Thermochromic opaque composition, laminate member employing the same, and three dimensional member employing said laminate member and capable of concealing and revealing the interior |
| 01/12/2000 | EP0773273B1 Process for the production of photochromic product of curing |
| 01/11/2000 | CA2046875C Far infrared radiation powder and synthetic fiber containing said radiation powder mixed therein and fiber articles comprising said fiber |
| 01/04/2000 | US6010567 Black-pigmented structured high molecular weight material |
| 12/29/1999 | WO1999067234A1 Photochromic naphthopyrans |
| 12/29/1999 | EP0931278A4 Photochromic organic material, its manufacture and the photochromic articles containing it |
| 12/28/1999 | US6008269 Ultraviolet hardening type ink compositions with a temperature-sensitive color change property |
| 12/22/1999 | EP0965628A1 Photochromic composition |
| 12/22/1999 | EP0728315B1 Photochromic compositions of improved fatigue resistance |
| 12/21/1999 | US6005705 Electrochromic thin-film systems and components thereof |
| 12/21/1999 | US6004486 Photochromic spiroxazines with asymmetric monocyclic substituent, compositions and articles containing them |
| 12/16/1999 | WO1999064926A2 Electrochrome display device with supply lines which are insulated by an electrochrome medium |
| 12/15/1999 | EP0963418A1 Steam sterilization process indicator |
| 12/15/1999 | EP0963390A1 Photochromic polyurethane coating and articles having such a coating |
| 12/14/1999 | US6002511 Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices |
| 12/09/1999 | DE19825371A1 Elektrochrome Anzeigevorrichtung mit isolierten Zuleitungen An electrochromic display device with insulated leads |
| 12/07/1999 | US5998617 Mixture of electroactive materials at preselective concentration; gray color |
| 12/07/1999 | US5998520 Photochromic compositions having improved fade rate |
| 12/07/1999 | US5996357 System for checking an internal temperature of a refrigerator by using a thermochromic member |
| 12/02/1999 | DE19913687A1 New photochromic diarylnaphthopyrans useful in plastics, especially for ophthalmic purposes |
| 12/02/1999 | DE19902771A1 Photochromic spiro-fluoreno-pyran compounds, useful in plastic optical components, e.g. lenses, spectacle glasses, windows, blinds, covers, roofing etc. |
| 12/02/1999 | DE19824186A1 Elektrochrome Anordnung auf Basis von Poly-(3,4-ethylendioxy-thiophen)-Derivaten und Gel-Elektrolyt mit UV-Schutz An electrochromic device based on poly (3,4-ethylenedioxy-thiophene) derivatives and gel electrolyte with UV protection |
| 12/02/1999 | DE19824126A1 UV-geschützte elektrochrome Anordnung auf Basis von Poly-(3,4-ethylendioxy-thiophen)-Derivaten UV-protected electrochromic device based on poly (3,4-ethylenedioxy-thiophene) derivatives |
| 12/01/1999 | EP0961156A2 Electrochromic device with gel electrolyte and UV-protection |
| 12/01/1999 | EP0960926A1 Electrochromic device on the basis of poly-(3,4-ethylenedioxythiophene) derivatives which is protected against UV |
| 11/30/1999 | US5995273 Electrochromic display device |
| 11/29/1999 | CA2273052A1 Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives and a uv-stabilized gel electrolyte |
| 11/25/1999 | WO1999053372B1 Optical component |
| 11/24/1999 | EP0958526A1 Electrochromic system |
| 11/24/1999 | EP0958514A1 Novel photochromic heterocyclic fused indenonaphthopyrans |
| 11/24/1999 | EP0958288A1 Photochromic naphtopyrane colorants, method for the production and use thereof, photochromic object |
| 11/23/1999 | US5990305 Having at the 8-position an n-atom linked cyclic nitrogen base derived from a hindered amine light stabilizer; highdarkening and lightning velocity; intensity; longwve absorption in the active state; durability; lens; optics |
| 11/23/1999 | US5989573 Method for improving the photochromism of a photochromic compound |
| 11/16/1999 | US5985184 Electrochemichromic solutions, processes for preparing and using the same, and device manufactured with the same |
| 11/11/1999 | WO1999057219A1 Photochromic compounds, process for their preparation and their use in polymeric materials |
| 11/10/1999 | EP0954761A1 Photochromic substituted naphthopyran compounds |
| 11/10/1999 | EP0954522A1 Novel substituted naphthopyrans |
| 11/10/1999 | CN1046284C Spiro (dihydro indole) oxazine photochromic compounds |
| 11/10/1999 | CN1046282C Photockromic heterocyclobenzopyrane and preparing method and use thereof |
| 11/09/1999 | US5981115 Recording layer comprises a resin an isocyanate compound crosslinked with resin, electron donating coloring agent and an electron accepting coloring developer |
| 11/04/1999 | DE19819552A1 Material with temperature-controlled radiation transmission, useful in multi-component thermotropic foil, e.g. for sun screens in cars, greenhouses, clothing etc. |
| 11/04/1999 | DE19819368A1 Material with temperature-controlled radiation transmission, useful in fabric for temperature-controlled radiation transmission, e.g. sun blinds, clothing etc. |
| 11/02/1999 | US5977201 Crosslinked polymer systems having reversible temperature-dependent radiation transmission |
| 11/02/1999 | US5976717 Coating comprising a photochromic material, a method for its production as well as its use |
| 10/28/1999 | DE19816675A1 Optisches Bauelement Optical component |
| 10/27/1999 | CN1233329A Photochromic organic material, its manufacture and the photochromic articles containing it |
| 10/21/1999 | WO1999053372A1 Optical component |
| 10/14/1999 | WO1999051680A1 Composition exhibiting reversible color change and exterior parts for clock using the same |
| 10/06/1999 | EP0946536A1 (benzofuran)naphthopyrans, the compositions and (co)polymer matrices containing them |
| 10/05/1999 | US5961892 Polyalkoxylated naphthopyrans |
| 10/05/1999 | US5961891 Method for preparing coloring layer composition for chromatic device |
| 09/29/1999 | EP0945451A1 Photochrome diaryl-naphtopyran with at least one aminosubstituted aryl rest |
| 09/29/1999 | EP0944689A1 Stabilized matrix for photochromic articles |
| 09/22/1999 | EP0770116B1 Diaryl-2h-naphthopyranes |
| 09/16/1999 | DE19810932A1 Elektrochrome Anordnung auf Basis von Poly-(3,4-ethylendioxy-thiophen)-Derivaten An electrochromic device based on poly (3,4-ethylenedioxy-thiophene) derivatives |
| 09/15/1999 | EP0942061A1 Electrochromic device based on poly (3,4-dioxythiophene) derivatives |
| 09/15/1999 | EP0773272B1 Photochromic curable composition |
| 09/14/1999 | US5952515 Diaryl-2h-napthopyrans |
| 09/10/1999 | WO1999045081A1 Near infrared-absorbing electrochromic compounds and devices comprising same |
| 09/08/1999 | EP0940694A1 Photochromic curable composition |
| 09/02/1999 | WO1999044093A1 Electrochromic display device |
| 08/26/1999 | WO1998028289A8 (benzofuran)naphthopyrans, the compositions and (co)polymer matrices containing them |
| 08/19/1999 | WO1999041326A1 Photochromic coating compound and substrate coated with same |
| 08/19/1999 | DE19805977A1 Photochrome Beschichtungszusammensetzung und damit beschichtete Substrate Photochromic coating composition and thus coated substrates |
| 08/18/1999 | CN1226319A Novel photochemic heterocycllic fused indenonaphthopyrans |
| 08/17/1999 | US5940201 Electrochromic mirror with two thin glass elements and a gelled electrochromic medium |
| 08/11/1999 | EP0934993A1 Photoluminescent material from hydrogen silsesquioxane resin |
| 08/10/1999 | US5936016 Spiro(indoline(2,3')-naphthoxazines) having specified substituent in the 6' position; ophthalmic optics and lenses |
| 08/05/1999 | DE19803208A1 Substrat zum Verpacken von oder Anbringen an verderblichen Produkten und Verfahren zu deren Qualitätsbestimmung Substrate for packaging, or attaching to perishable products and methods for their quality determination |
| 08/03/1999 | US5932725 Chromene compound |
| 07/29/1999 | WO1999037734A1 Photochromic polymerizable composition |
| 07/28/1999 | EP0931278A1 Photochromic organic material, its manufacture and the photochromic articles containing it |
| 07/28/1999 | EP0931117A1 Electrochromic metal oxides |
| 07/27/1999 | US5928572 Electrochromic layer and devices comprising same |
| 07/22/1999 | DE19801638A1 Electrochromic polymer systems |
| 07/21/1999 | EP0930352A1 Method for obtaining the chromatic variation of objects, in response to external stimuli, and product obtained thereby |
| 07/21/1999 | EP0773271B1 Process for the production of photochromic product of curing |
| 07/08/1999 | WO1999033935A1 Electroactive and electrochromic hydrocarbon polymers |
| 07/06/1999 | US5919404 Mixture of color developing compound and electron acceptoralkoxyphenol compound |