| 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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| 01/17/1990 | CN1038895A 光记录介质和光记录法 Optical recording medium and an optical recording method |
| 01/10/1990 | EP0350009A1 Photochromic compound and photochromic composition |
| 01/03/1990 | EP0348497A1 Non-linear optical material containing a hemicyanine compound and process for producing it |
| 12/28/1989 | WO1989012839A1 Photochromic polymer membrane |
| 12/26/1989 | US4889659 Nitrogenized electronic conductive polymers, their preparation processes, electrochromic display cell and electrochemical generator using these polymers |
| 12/20/1989 | EP0346484A1 Microencapsulated photochromic material, process for its preparation, and water-base ink composition prepared therefrom |
| 12/14/1989 | WO1989012084A1 Photochromic color rendering regulating composition or cosmetic |
| 12/12/1989 | US4886972 Vibration of water molecules |
| 12/12/1989 | US4886717 Photochromic material, photochromic device and method for recording and erasing information |
| 11/30/1989 | WO1989011674A1 Optically anisotropic photochromic materials and applications |
| 11/30/1989 | WO1989011482A1 Photochromic compound and articles containing the same |
| 11/29/1989 | EP0344113A2 Substituted alpha-pyrones and naphthoquinones |
| 11/29/1989 | EP0344112A2 Substituted bisacyloxynaphthacenes, and process for the preparation of tetrathiotetracenes |
| 11/29/1989 | EP0344111A2 Substituted tetrathio- and tetraselenotetracenes |
| 11/29/1989 | EP0344110A2 Substituted naphthacenes-5,12-diones and their use |
| 11/29/1989 | CN1037509A Novel photoactive compounds, processes for their production and inter-mediates therefor |
| 11/28/1989 | US4883842 Resin composition |
| 11/21/1989 | US4882438 Photochromatic compounds |
| 11/07/1989 | US4879368 Polyxylylenes; carbonless copying |
| 11/02/1989 | EP0339661A2 Photochromic substances |
| 10/25/1989 | EP0338845A2 Nonlinear optical materials |
| 10/24/1989 | US4875762 Photochromic-electrochromic intercalation compound |
| 10/18/1989 | EP0337059A2 Holding device of a mirror element for a rearview mirror |
| 10/17/1989 | US4874481 Prepared by electrochemical polymerization; electronics |
| 10/11/1989 | EP0336391A2 Reversibly color-changeable materials |
| 09/27/1989 | EP0334477A2 Novel photoactive compounds, processes for their production and intermediates therefor |
| 09/21/1989 | WO1989008686A1 Zwitterion nlo-chromophores |
| 09/21/1989 | WO1989007597A3 Novel photoactive compounds, processes for their production and intermediates therefor |
| 09/21/1989 | DE3808309A1 Zwitterionische nlo-chromophore Zwitterionic nlo chromophoric |
| 09/19/1989 | US4867408 Device for holding a mirror element for rearview mirror |
| 09/06/1989 | EP0331209A1 Electrochromic material |
| 09/05/1989 | US4863574 Method of manufacturing a film of polyparaphenylene and applications of the resulting polyparaphenylene film |
| 08/29/1989 | US4861620 Pigments, internal molecular structure change |
| 08/24/1989 | WO1989007597A2 Novel photoactive compounds, processes for their production and intermediates therefor |
| 08/23/1989 | EP0328906A2 Chromatic-color metal flake pigment, method for the preparation thereof and colored composition compounded therewith |
| 08/16/1989 | EP0327788A2 Reversibly photochromic printing inks |
| 08/15/1989 | US4857431 Photoconductive composition |
| 08/10/1989 | WO1989007278A1 Variable-light transmittance article and method for preparing same |
| 08/10/1989 | WO1989007104A1 Novel spirooxazine compounds |
| 08/08/1989 | US4855161 Method for deposition of electrochromic layers |
| 08/02/1989 | EP0325863A2 Multi-color ultraviolet radiation measurement device |
| 08/02/1989 | EP0325742A2 Phthalocyanine compound and optical recording material using it |
| 07/26/1989 | EP0324786A1 Photochromic spiro(indoline) benzoxazines and articles containing the same. |
| 07/26/1989 | EP0238626A4 Liquid crystal light-modulating materials. |
| 07/25/1989 | US4851471 Process for manufacturing photochromic articles |
| 07/25/1989 | US4851270 Glass monolith having a microporous structure; lasers; circuit controllers |
| 07/13/1989 | WO1989006347A1 Multi-color ultraviolet radiation measurement device |
| 07/12/1989 | EP0179823B1 Process for the sensitization of an oxidoreduction photocalatyst, and photocatalyst thus obtained |
| 07/06/1989 | DE3743833A1 Amphiphile hemicyanine Amphiphilic hemicyanines |
| 07/04/1989 | US4844591 Transparent support, electrochromic material, and electroconductive polymer |
| 06/29/1989 | WO1989005843A1 Non-linear optical material containing a hemicyanine compound and process for producing it |
| 06/28/1989 | EP0321563A1 Spirooxazine compounds, photosensitive materials using them, and process for forming them |
| 06/26/1989 | EP0324786A4 Photochromic spiro(indoline) benzoxazines and articles containing the same. |
| 06/15/1989 | WO1989005335A1 Microencapsulated photochromic material, process for its preparation, and water-base ink composition prepared therefrom |
| 06/13/1989 | US4838634 Diffusionof organic dopant solution into transparent substrate |
| 06/13/1989 | CA1255669A1 Light-sensitive bis-trichloromethyl-s-triazine compounds, a process for their production and light-sensitive mixtures containing such compounds |
| 06/06/1989 | US4837063 Optical recording material |
| 05/30/1989 | US4834909 Thermochromic double-complex salts |
| 05/24/1989 | EP0316980A1 Photochromatic composition and photochromatic articles which contain it |
| 05/17/1989 | EP0316179A2 Photochromic compounds |
| 05/09/1989 | US4829187 UV-ray sensitive composition and element for measuring UV-ray dose |
| 05/03/1989 | EP0313941A1 Photocromic material |
| 05/02/1989 | US4826977 Photochromic spiropyran compounds |
| 05/02/1989 | US4826774 Vapocheromic double-complex salts |
| 04/25/1989 | US4824882 Polarizing film |
| 04/25/1989 | US4824221 Electrochromic device |
| 04/12/1989 | EP0311566A2 Thermotropic biphilic hydrogels and hydroplastics |
| 04/05/1989 | EP0310308A2 Sol-gel method for forming thin luminescent films |
| 04/05/1989 | EP0309957A1 Stabilizers for colour-photographic recording materials |
| 04/04/1989 | US4818899 Directing laser radiation onto a n-aryl carbamyl compound |
| 04/04/1989 | US4818616 Alternate layers of chromophores with electron donor-acceptor pairs reversed |
| 03/28/1989 | US4816536 Electrochromism elements |
| 03/28/1989 | CA1251771A1 Ionically polymer-bound transition metal complex for photochemical conversion of light energy |
| 03/28/1989 | CA1251630A1 Photochemical conversion and storage of light energy by photoisomerization of compounds |
| 03/22/1989 | EP0307713A2 Blue-green dye donor element for thermal dye transfer |
| 03/15/1989 | EP0307081A2 Recording medium for optical data storage |
| 03/14/1989 | US4812171 Irreversible photochromic markings |
| 03/07/1989 | US4810930 Luminescent Eu3+ -activated silicate, luminescent screen provided with such a silicate and low-pressure mercury vapor discharge lamp provided with such a screen |
| 03/07/1989 | US4810401 Superparamagnetic solid particles |
| 02/22/1989 | EP0304117A1 Luminescent Eu3+-activated silicate, luminescent screen provided with such a silicate and low-pressure mercury vapour discharge lamp provided with such a screen |
| 02/15/1989 | EP0303429A2 Second harmonic generation with 5-chloro-2-nitroaniline |
| 02/15/1989 | EP0303123A2 Heat treatment of flat photochromic sheet glass |
| 02/14/1989 | US4804834 Photosensor having photosensitive part formed of purple membrane |
| 02/01/1989 | EP0301551A1 Nonlinear optical element |
| 02/01/1989 | EP0301057A1 Forming a permanent image in a layer |
| 01/18/1989 | EP0299921A2 Amphiphilic azo dyes for making ultra-thin layers with reversible colour changes |
| 01/10/1989 | US4797345 Light-sensitive 1,2-naphthoquinone-2-diazide-4-sulfonic acid monoesters of cycloalkyl substituted phenol and their use in light-sensitive mixtures |
| 01/10/1989 | CA1248690A1 Polyisothianaphthene, a new conducting polymer |
| 01/04/1989 | EP0297825A1 Light-sensitive 1,2-naphthoquinone-2-diazide-4-sulfonic acid monoesters and their use in light-sensitive mixtures |
| 01/04/1989 | EP0297269A1 Solid state scintillator and method for preparing such scintillator |
| 01/03/1989 | US4795242 Conducting substituted polyisothianaphthenes |
| 12/28/1988 | CN88103386A Solid state scintillator and treatment therefor |
| 12/27/1988 | US4794131 Photo-product energy barrier composition |
| 12/14/1988 | EP0294724A2 Display material |
| 12/07/1988 | EP0293749A1 N,N'-Biscyano-p-benzoquinonebisimines, charge-transfer complexes containing them and radical-ion salts of the biscyano-benzoquinonebisimines |
| 12/07/1988 | EP0293651A2 Dicyanovinyl-substituted furan derivatives, process for their preparation, and their use |
| 11/29/1988 | US4788115 Processing holograms |
| 11/22/1988 | US4786715 Polyamines |
| 11/22/1988 | US4786305 Placing on a carrier sheet, deformation and defect free |
| 11/22/1988 | CA1245045A1 Costabilizer for polyvinyl chloride |