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