| 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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| 11/03/1998 | US5831760 Electrochromic device |
| 11/03/1998 | US5831090 Process for the preparation of photochromic compounds of the annelated spiro indoline 2,3'! benzoxazine!type |
| 10/28/1998 | EP0873881A1 Reversible thermochromic compositions |
| 10/28/1998 | EP0873367A1 Gels with thermotropic properties |
| 10/23/1998 | CA2235295A1 Reversible thermochromic compositions |
| 10/21/1998 | EP0842236A4 Photochromic polymer |
| 10/15/1998 | WO1998045757A1 Black-pigmented structured high molecular weight material |
| 10/15/1998 | WO1998045341A1 Self-light-stabilized photochromic polymer, its preparation and articles containing same |
| 10/15/1998 | WO1998045281A1 RED COLOURING HYPERCHROMIC 3H-NAPHTHO[2,1-b]PYRANS |
| 10/15/1998 | CA2285602A1 Self-light-stabilized photochromic polymer, its preparation and articles containing same |
| 10/14/1998 | EP0870002A1 Electrochromic tin oxide |
| 10/13/1998 | CA1340078C Reversibly photochromic printing inks |
| 10/08/1998 | WO1998044386A1 An electrochromic mirror with two thin glass elements and a gelled electrochromic medium |
| 10/08/1998 | WO1998044384A1 An improved electrochromic medium capable of producing a pre-selected color |
| 10/06/1998 | US5818636 Complementary surface confined polmer electrochromic materials, systems, and methods of fabrication therefor |
| 10/01/1998 | WO1998042796A1 Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices |
| 10/01/1998 | WO1998042695A1 INTENSE COLOURING PHOTOCHROMIC 2H-NAPHTHO[1,2-b]PYRANS AND HETEROCYCLIC PYRANS |
| 10/01/1998 | WO1998042693A2 NEUTRAL COLOURING PHOTOCHROMIC 2H-NAPHTHO[1,2-b]PYRANS AND HETEROCYCLIC PYRANS |
| 10/01/1998 | WO1998042663A1 Naphthopyran derivatives, compositions and (co)polymers matrices containing same |
| 10/01/1998 | CA2283748A1 Naphthopyran derivatives, compositions and (co)polymers matrices containing same |
| 09/30/1998 | EP0838039A4 Novel photochromic organic materials |
| 09/23/1998 | CN1194037A Photochromic spiroxazines, compositions and articles containing them |
| 09/22/1998 | US5812300 Electrochromic materials and displays |
| 09/22/1998 | US5811552 Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element |
| 09/22/1998 | US5811503 Polymerizable composition |
| 09/09/1998 | EP0862513A1 Polymeric materials for photochromic applications |
| 09/01/1998 | US5801873 Variable reflectance automobile mirror |
| 08/27/1998 | WO1998037157A1 Steam sterilization process indicator |
| 08/27/1998 | WO1998037115A1 Photochromic polyurethane coating and articles having such a coating |
| 08/26/1998 | CN1191609A Photochromic organic materials |
| 08/25/1998 | US5798860 Nitrogen containing iridium oxide film for use in electrochromic cells |
| 08/19/1998 | EP0858798A1 Use of a specific compound to improve the photochromism of a photochromic compound |
| 08/13/1998 | WO1998035267A1 Electrochromic system |
| 08/12/1998 | CN1190115A Preparation of blue fluorescent powder |
| 08/06/1998 | DE19802233A1 Thermotropic gel for glazing systems and thermal insulation |
| 07/23/1998 | WO1998032037A1 Novel photochromic heterocyclic fused indenonaphthopyrans |
| 07/22/1998 | CN1039240C Green powder, blue powder of aluminosilicate and its three primary colour fluorescent powder series |
| 07/22/1998 | CN1039239C Pyrrole substituting fulgide photochromic material |
| 07/21/1998 | US5782969 Reaction product of spiropyran and clay; transparent thin film |
| 07/09/1998 | WO1998029414A1 Fulgimide compounds, use of them, and compositions containing the same |
| 07/09/1998 | CA2683826A1 Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials |
| 07/08/1998 | EP0785936A4 Photochromic naphthoxazine compounds |
| 07/08/1998 | CN1186835A Preparation of agricultural film rare-earth fluorescent powder changing agent |
| 07/07/1998 | US5776376 Blend of epoxy and unsaturated ester monomers |
| 07/02/1998 | WO1998028289A1 (benzofuran)naphthopyrans, the compositions and (co)polymer matrices containing them |
| 07/01/1998 | EP0850427A1 Photochromic spiroxazines, compositions and articles containing them |
| 06/23/1998 | US5770115 Polyphenolic antioxidant, uv absorber, hindered amine light stabilizer, naphthopyran dye |
| 06/23/1998 | CA1339920C Photochromic color rendering regulatory ingredient and cosmetics |
| 06/10/1998 | EP0846708A2 Photochromic resin compositions |
| 06/09/1998 | US5763511 Ethoxylated bisphenol a dimethacrylate polyurethane polymer, spirooxazine, spiropyran, chromene dyes; opthalmic lenses |
| 06/09/1998 | US5762915 Photochromic ultra-violet ray shield powder, method of manufacturing the same, and skin external preparation using the same |
| 06/05/1998 | CA2223336A1 Photochromic resin compositions |
| 06/02/1998 | US5759450 Photochromic naphthopyran compounds |
| 05/26/1998 | US5756850 Argon fluoride excimer laser lithography with acid generating resins with sulfonium salts |
| 05/26/1998 | US5755875 Fluorescent chromophores containing cyanimino groups |
| 05/20/1998 | EP0842236A1 Photochromic polymer |
| 05/19/1998 | US5754271 Photochromic dyes for sunglasses and contact lenses |
| 05/19/1998 | US5753146 Containing atleast two photochromatic compounds, such as 3(h)-naphtho(2,1-b)pyrans and 2(h)-naphtho(1,2-b)pyrans, free of amino substituted aryl groups on carbon atom adjacent to the oxygen atom of pyran ring, exposed to ultraviolet rays |
| 05/13/1998 | EP0783535B1 Process for preparing aqueous solutions of poly(n-vinyl-epsilon-caprolactam) and their use |
| 05/12/1998 | US5751467 Variable reflectance automobile mirror |
| 05/12/1998 | US5750758 Pyrocarbonic acid diesters and the preparation and use thereof |
| 05/06/1998 | CN1180708A Photochemistry gene recognition material and its preparing method and use |
| 04/30/1998 | DE19643773A1 Photo:chromic spiro:oxazine compounds |
| 04/29/1998 | EP0838039A1 Novel photochromic organic materials |
| 04/28/1998 | US5744070 Photochromic substituted naphthopyran compounds |
| 04/28/1998 | CA2138900C Reversible thermochromic composition |
| 04/28/1998 | CA2031594C Charge transfer salts and uses thereof |
| 04/23/1998 | WO1998016863A1 Photochromic organic material, its manufacture and the photochromic articles containing it |
| 04/23/1998 | DE19644636A1 Photorefractive optical material |
| 04/23/1998 | CA2268336A1 Photochromic organic material, its manufacture and the photochromic articles containing it |
| 04/21/1998 | US5742424 Electrochromic materials and displays |
| 04/14/1998 | US5739296 Method and materials for thermostable and lightfast dichroic light polarizers |
| 04/14/1998 | US5739195 Addition polymerizing in a water soluble protective polymeric colloids |
| 04/02/1998 | WO1998013438A1 Electrochromic metal oxides |
| 04/02/1998 | CA2266375A1 Electrochromic metal oxides |
| 03/31/1998 | US5734065 Polymers which respond to light and electricity for phororecording materials and light electricity conversion |
| 03/24/1998 | US5731364 Photoimageable compositions comprising multiple arylsulfonium photoactive compounds |
| 03/24/1998 | US5730908 Photochromatic and thermochromatic compounds and their application in polymeric materials |
| 03/18/1998 | EP0799431A4 Organic photochromic materials with high refractive index, their preparation and articles formed from these materials |
| 03/11/1998 | EP0827843A1 Temperature-dependent color/transparency storing resin composition and laminate member employing the same |
| 03/10/1998 | US5725809 Electrochromic architectural window |
| 03/03/1998 | US5723072 Photochromic heterocyclic fused indenonaphthopyrans |
| 03/01/1998 | CA2184567A1 Temperature-dependent color/transparency storing resin composition and laminate member employing the same |
| 02/24/1998 | US5721059 Temperature-dependent color/transparency storing resin composition and laminate member employing the same |
| 02/12/1998 | WO1998005737A1 Electrochrome system |
| 02/12/1998 | WO1998005736A1 Electrochromic indicating device |
| 02/12/1998 | DE19631729A1 Elektrochromes System Electrochromic system |
| 02/12/1998 | DE19631728A1 Elektrochrome Anzeigevorrichtung An electrochromic display device |
| 02/12/1998 | CA2262554A1 Electrochromic indicating device |
| 02/11/1998 | EP0823653A1 Element with variable optical/energetic properties |
| 01/29/1998 | WO1998003890A1 Stabilized matrix for photochromic articles |
| 01/29/1998 | CA2257543A1 Stabilized matrix for photochromic articles |
| 01/28/1998 | EP0531298B1 Electrochromic, electroluminescent and electrochemiluminescent displays |
| 01/22/1998 | DE19630560A1 Controllable colour filter without mechanical moving parts, guaranteeing full image selection |
| 01/21/1998 | EP0797785A4 Temperature stable and sunlight protected photochromic articles |
| 01/14/1998 | CN1170462A Organic photochromic materials with high refractive index, their preparation and articles formed from these materials |
| 01/13/1998 | US5708181 Spiropyran compound |
| 01/13/1998 | US5708123 For use in devices with an electrochromic display or another electrochromic color change or in batteries |
| 01/13/1998 | US5708063 Photochromic compound |
| 01/13/1998 | US5707556 Electrochromism |