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