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)
11/1988
11/15/1988CA1244925A1 Electrochromic devices
11/08/1988US4783596 Solid state scintillator and treatment therefor
10/1988
10/25/1988US4780393 Polymeric binder, terminal ethylenic compound, photoinitiator, levco base of triarylmethane dye and photoc romic spiro-indolino-benzopyran compound
10/19/1988EP0287336A1 Heating unit with thermochromic region
10/19/1988EP0287093A2 Inorganic-organic composite compositons exhibiting nonlinear optical response
10/12/1988CN87108248A Brightening agent for sodium tripolyphosphate
10/05/1988EP0285414A2 Resin composition
10/04/1988CA1242842A2 Heat curable one-package polyurethane resin composition
09/1988
09/27/1988US4773742 Electrochromic clathrate complexes
09/20/1988US4772940 Polymer having isothianaphthene structure and electrochromic display
09/20/1988US4772700 Spiropiperidinenaphthoxazine compound
09/20/1988US4772506 Glass with temperature-controlled transluency
09/06/1988US4769360 Cyan dye-donor element for thermal dye transfer
09/06/1988US4769301 Method of preparing holograms and the holograms prepared thereby
08/1988
08/31/1988CN87108150A Conducting substituted polyisothianaphthenes
08/25/1988WO1988006306A1 Marking
08/24/1988EP0279703A1 Method for deposition of electrochromic layers
08/24/1988EP0279600A1 Marking
08/10/1988EP0277639A2 Photochromic compound
08/03/1988EP0277033A2 Article and Method for Vapochromic Monitoring, utilising transition - metal double complex salts
08/03/1988EP0277032A2 Thermochromic double-complex salts
08/03/1988CN87108287A Technique for producing fluorescent powder
07/1988
07/27/1988EP0275926A2 Photo-product energy barrier composition
07/12/1988US4756598 Second harmonic generation with 5-chloro-2-nitroaniline
07/06/1988EP0273643A2 Conducting substituted polyisothianophthenes
07/05/1988US4755012 Ray absorption filter
06/1988
06/29/1988EP0272298A1 Irreversible photochromic markings.
06/29/1988CN87104184A Photochromic spiropyran compounds
06/28/1988US4753867 Optical recording medium
06/21/1988US4752119 A diphenylamine as an electrochromic material
06/15/1988EP0271251A1 Second harmonic generation by carbamic acid derivatives
05/1988
05/31/1988US4748074 Waveguides
05/24/1988US4746577 Optical waveguides containing compositions having non-linear optical properties
05/18/1988EP0267219A1 Organic optical waveguides
04/1988
04/27/1988EP0264678A1 Polyamides with hexafluoroisopropylidene groups, positively acting photosensitive compositions, and recording materials using them
04/20/1988EP0264051A2 Derivatives of hydroxycarboxylic acids, method for their production and their application to heat and pressure sensitive recording materials
04/12/1988US4737449 Deep blue coloration with ultraviolet radiation; reversal with visible light
04/12/1988CA1235124A1 Phenothiazine and phenoxazine derivatives, process and marking systems
04/07/1988WO1988002371A1 Photochromic spiro(indoline) benzoxazines and articles containing the same
03/1988
03/22/1988US4732810 Reversible temperature-indicating composition
03/08/1988US4729671 Temperature control indicator unit
02/1988
02/24/1988EP0256774A2 Colorless ferric alkylphosphates
02/18/1988DE3722731A1 Positiv arbeitende thermographische materialien Positive working thermographic materials
02/02/1988US4722510 Containing bismuth and chromium
01/1988
01/20/1988EP0253713A1 Electrochromic variable transmission window
01/14/1988WO1988000223A1 Irreversible photochromic markings
01/14/1988WO1988000196A1 Spirooxazine compounds, photosensitive materials using them, and process for forming them
01/12/1988US4719296 Photochromism
01/07/1988EP0250599A1 Spiropiperidinenaphtoxazine compounds
01/05/1988US4717710 Thermochromic composition
01/05/1988US4717220 Liquid optical filter and method for the near infrared light
12/1987
12/23/1987EP0250099A2 Organic nonlinear optical material
12/16/1987EP0249229A2 Superparamagnetic solid particles
12/16/1987EP0248907A1 Photochromic material, photochromic element and method of recording and erasing data
12/09/1987EP0248688A1 Temperature indicators based on polydiacetylenic compositions
12/08/1987CA1230129A1 Diacetylenes having liquid crystal phases
11/1987
11/19/1987EP0246114A2 Photochromic spiropyran compounds
11/17/1987US4707283 Electrochromic material and lubricant
11/11/1987EP0245020A2 Photochromic articles
11/10/1987US4705046 Device for the qualitative measurement of uv radiation received by the skin
11/05/1987WO1987006715A1 Organic optical waveguides
11/05/1987WO1987006692A1 Temperature indicators based on polydiacetylenic compounds
10/1987
10/14/1987EP0241247A2 Reversible temperature indicating compositions
10/13/1987US4699471 Electrochromic display device
10/07/1987EP0240226A2 Single-compartment, self-erasing, solution-phase electrochromic devices, solutions for use therein, and uses thereof
10/06/1987US4698099 Pigment composition
09/1987
09/30/1987EP0238626A1 Liquid crystal light-modulating materials.
09/29/1987US4696888 Light-sensitive compounds possessing trichloromethyl groups, a process for their production and light-sensitive mixtures containing these compounds
09/15/1987US4693962 Photochromic photosensitive compositions
09/15/1987US4693564 Electrochromic display device
08/1987
08/20/1987DE3703065A1 Organic laser dye, dye laser and laser process
08/12/1987EP0231394A1 Novel polymers of3,4-substituted pyrrole compound and processfor their preparation
08/05/1987EP0230941A2 Photopolymerisable composition and photopolymerisable registration material containing it
08/04/1987US4684537 Bonding chromophore complex to titanium oxide
07/1987
07/22/1987EP0229563A1 Process for the preparation of polyparaphenylen films and applications of these films
07/15/1987EP0228422A1 Thermal-translucid gel, method for its preparation and utilization thereof.
07/08/1987EP0228159A1 Photochromic glass compositions for lightweight lenses
07/02/1987WO1987003874A1 Spiropiperidinenaphtoxazine compounds
07/01/1987EP0227337A2 Process for manufacturing photochromic articles
06/1987
06/24/1987EP0226542A2 Holograms
06/16/1987EP0225852A2 Processing holograms
06/02/1987US4669830 Zirconium-nitrogen-halide compound
05/1987
05/21/1987WO1987003108A1 Photochromic material, photochromic element and method of recording and erasing data
05/21/1987WO1987003086A1 Uv-sensitive composition and element for measuring uv dosage
05/13/1987EP0221793A1 Electronically conductive nitrogen polymers, processes for their manufacture, electrochromic display cell and electrochemical generator using these polymers
04/1987
04/28/1987US4661649 Thin film of glass or plastic containing dye
04/22/1987EP0218938A2 Nonlinear optical materials and devices
03/1987
03/26/1987WO1987001822A1 Liquid crystal light-modulating materials
02/1987
02/24/1987US4645307 Electrochromic device
02/12/1987WO1987000843A1 Novel polymer of 3,4-substituted pyrrole compound and process for its preparation
02/03/1987US4640748 Polyisothianaphtene, a new conducting polymer
01/1987
01/27/1987CA1217042A1 Temperature control indicator unit
01/06/1987US4634767 Method for preparing spiro(indoline)-type photochromic compounds
01/02/1987DE3522078A1 Gel mit temperaturabhaengiger lichtdurchlaessigkeit, verfahren zu seiner herstellung und seine verwendung Temperaturabhaengiger gel with light transmission, process for its preparation and its use
12/1986
12/31/1986WO1986007601A1 Thermal-translucid gel, method for its preparation and utilization thereof
12/30/1986US4632516 By evaporation of cobalt carbonate
12/10/1986EP0204304A2 Ray absorption filter
12/03/1986EP0203780A2 Optically non-linear materials and thin films incorporating such materials
12/03/1986EP0203776A2 Coloring-time controlling layer
11/1986
11/12/1986EP0201251A2 Novel glycopeptide derivatives
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