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7192471 |
Aryl-ureido benzoxazinone compounds
Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I):
wherein R 1 is an substituted or unsubstituted aryl group, R 2 and R 3 are each...
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7150839 |
Fluorescent agents
Composition comprising a fluorescent material comprising the mixture of one or more metal salts selected from the group consisting of metal oxides and metal hydroxides; one or more carbohydrate(s)...
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7129506 |
Optically detectable security feature
An optically detectable security marker for emitting light at a pre-selected wavelength. The marker comprises a rare earth dopant and a carrier incorporating the rare earth dopant. The interaction...
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7115430 |
Light emitting layers for LED devices based on high Tg polymer matrix compositions
A light emitting device includes: (a) a light emitting layer including an electroluminescent organic material dispersed in a matrix, wherein the matrix contains a non-electroluminescent organic...
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7115216 |
Screen printable electroluminescent polymer ink
The addition of a variety of additives to a soluble electroluminescent polymer in solution is used to improve the printability and performance of screen printed light-emitting polymer-based...
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7108742 |
Ink compositions containing lanthanide complexes
The invention relates to an ink composition containing (a) a compound of formula (I), L m −Ln 3+ (Ch − ) n (I), wherein Ln represents a lanthanide, CH − is a negatively charged ligand...
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7041235 |
Fluorescent diketopyrrolopyrrole analogues
The present invention relates to fluorescent diketopyrrolopyrrole analogues of the general formula (I), wherein A 1 and A 2 are C 1 –C 18 alkyl, C 2 –C 18 alkenyl, C 2 –C 18 alkynyl, C 5...
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6749772 |
Fluorescent lubricant
A fluorescent lubricant that is applied to an associated object in a liquid state and dries to a solid coating is formulated from a solid lubricant present in a concentration of about 60 percent to...
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6676854 |
Gadorinium oxysulfide phosphor for digital radiography, radiographic image conversion screen and radiograph-forming device
A gadolinium oxysulfide phosphor for digital radiography represented by the following compositional formula, which mainly emits a green luminescence under excitation with radiation: (Gd...
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6531234 |
Organic electroluminescence device and method of its manufacture
The present invention relates to a practical organic EL element which is excellent in a durability without decreasing a luminance even in the driving for a long period of time and which is...
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6471888 |
Dual neutron flux/temperature measurement sensor
Simultaneous measurement of neutron flux and temperature is provided by a single sensor which includes a phosphor mixture having two principal constituents. The first constituent is a neutron...
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6471887 |
Neodymium, ytterbium and/or erbium containing organic fluorescent compositions
A fluorescent substance of the following general formula: Ln x A 1−X PO 4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least...
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6458294 |
Fluorescent ink compositions
A fluorescent substance of the following general formula: Ln X A 1-X PO 4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one...
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6413655 |
Fluorescent materials and their use
A composition comprising (a) an effective amount of a guest chromophore embedded in a matrix of a host chromophore, or (b) a host chromophore and an effective amount of a guest chromophore both...
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6280654 |
Glow in the dark rosin
A luminescent compound comprising an admixture of rosin and a luminescent glow pigment and methods for its use are disclosed. The luminescent glow pigment conveys a"glow in the dark" quality to the...
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6274065 |
Process for the preparation of fluorescent compositions, fluorescent compositions and their use
Preparation of a solid fluorescent composition comprising (1) mixing a host chromophore and an effective amount of a pigment precursor in a solvent, then generating a pigment as guest...
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6217794 |
Fiber coating composition having an invisible marker and process for making same
Fibers having at least one near-infrared fluorescing compound associated therewith are prepared by contacting the fibers with the fluorescing compound(s) dissolved in an organic solvent. Suitable...
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6146548 |
Noctilucent or fluorescent artificial stone
A noctilucent or fluorescent artificial stone comprising a mixture of a resin and 5-65 wt % with respect to the total weight of the artificial stone of a transparent inorganic aggregate, on which a...
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6136226 |
Noctilucent or fluorescent artificial stone composition
Provided is a luminous or fluorescent artificial stone composition in which the resin content is 11% by weight or less, from 0.3 to 1.0 W 1 of a weight (W 1 ) of a fine powder component of an...
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6086795 |
Adhesive compositions
The present invention relates to adhesive compositions comprising at least one light emitting material and which are suitable for bonding substrates together and may be detected and measured via...
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6036885 |
Method for making cellulose esters incorporating near-infrared fluorophores
A cellulosic ester has associated with the ester at least one near infrared fluorophore. A method for incorporating the near infred fluorophore into the cellulosic ester is also provided. In the...
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6005113 |
Long wavelength dyes for infrared tracing
The invention relates to fluorescent dyes that are substituted or unsubstituted derivatives of 1-(isoindolyl)methylene-isoindole that are bound through both isoindole nitrogens to a boron...
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5980593 |
Silent fluorescent petroleum markers
Liquid petroleum products and industrial liquids are marked with highly soluble silent fluorescent markers having the formula: ##STR1## where R is selected from a linear or branched C 1 -C 18 ...
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5965241 |
Electroluminescent devices and processes using polythiophenes
Electroluminescent devices have, as the active layer, a polymer comprising a poly(3-substituted thiophene), the 3-substituent of which is an alkyl, cycloalkyl, alkoxy, cycloalkoxy, alkoxyalkyl,...
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5808307 |
Method of detecting ultraviolet laser beam and method of recording information
A method of detecting an ultraviolet laser beam, which includes irradiating a detector with the ultraviolet laser beam to produce photoluminescence from the detector, and sensing the...
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5714089 |
Luminescent metal chelatte labels and means for detection
A chemical moiety is disclosed which comprises a chemical, biochemical, or biological substance attached to one or more electrochemiluminescent organometallic compounds. In a preferred embodiment...
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5658494 |
Fluorescent compounds
Novel compounds obtainable by reacting together an imido-reagent such as diphenylphosphonimido-triphenylphosphorane), or a phosphine oxide such as p-tolyldiphenylphosphine oxide, with a chelate of...
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5518657 |
Storage-stable formulation of fluorescent whitening mixtures
Storage-stable formulations of whitening mixtures comprising at least two anionic fluorescent whiteners, which preferably contain at least one sulfonic acid radical; an anionic polysaccharide;...
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5433896 |
Dibenzopyrrometheneboron difluoride dyes
The invention relates to fluorescent dyes that are substituted or unsubstituted derivatives of 1-[isoindolyl]methylene-isoindole that are bound through both isoindole nitrogens to a boron...
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5429767 |
Storage-stable whitener formulation
The invention relates to storage-stable formulations comprising anionic fluorescent whitening agents, an anionic polysaccharide, one or more dispersants and water as well as further optional...
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5326692 |
Fluorescent microparticles with controllable enhanced stokes shift
The invention relates to microparticles incorporating a series of two or more fluorescent dyes having overlapping excitation and emission spectra allowing efficient energy transfer from the...
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5308546 |
Phosphorescent toy gel composition and methods of manufacture
The phosphorescent toy gel composition is produced by suspending phosphorescent particles in an aqueous solution, thickened with guar gum and crosslinked by a borate compound. The method for...
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5131916 |
Colored fluorescent polymer emulsions for marker pens: graft copolymers and fluorescent dyes in aqueous phase
Aqueous emulsions based on certain graft polymers are outstandingly suitable for the production of colored inks for so-called marker pens. They are distinguished, for example, by a high storage...
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5076968 |
Aqueous storage-stable whitener formulation with an anionic polysaccharide stabilizer
Storage-stable formulations which contain an anionic fluorescent whitening agent which preferably contains at least one sulfonic acid radical, in a amount of 10-60% by weight, based on the total...
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4999125 |
Granules of a detergent component coated with an organophilic clay
There is disclosed a granular detergent composition comprising granules of a chemical reagent the surfaces of which are provided with a coating comprising an organophilic clay mineral.
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4865937 |
Method of making fluorescent toner
Disclosed is a method of making a fluorescent toner for use in electrostatography and a fluorescent toner and developer made by that method. A solution is prepared which comprises an organic...
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4772563 |
1,10-phenanthroline derivatives and use in fluorescence immunoassays
1,10-phenanthroline-2,9-dicarboxylic acid and novel derivatives thereof such as 4,7-diphenyl-1,10-phenanthroline-2,9-dicarboxylic acid and...
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4724094 |
Fluorescent magnetic composition and method of making and using same
A method of preparing a fluorescent magnetic composition useful in non-destructing testing of metal work pieces. The method of the invention utilizes a plasticizer in order to effect a more...
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4708817 |
Creative art medium for forming artistic expressions having a latent luminescent image pattern
A creative art medium by which artistic expression could take the form of a uniform color layer upon a substrate visible under normal lighting conditions defining a first image, the layer carrying...
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4707297 |
Removable guidepath for automated guidance vehicles
An aqueous guidepath coating composition includes a fluorescent dye, and an acrylic ionomer, and is particularly useful in positional control of and positional detection by stimulated...
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4652395 |
Taggant composition
Resin based, film-forming compositions such as adhesives are coded for identification by dispersing insoluble fluorescent taggant particles within the resin phase of the composition. The taggant is...
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4647400 |
Luminescent material or phosphor having a solid matrix within which is distributed a fluorescent compound, its preparation process and its use in a photovoltaic cell
The invention relates to a luminescent material or phosphor having a solid matrix within which is distributed a fluorescent compound, its preparation process and its use in a photovoltaic cell....
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4604525 |
Radiation image storage panel with dispersing agent
In a radiation image storage panel comprising a support and a phosphor layer which comprises a binder and a stimulable phosphor dispersed therein and is colored with a colorant, the improvement...
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4544496 |
Light-collecting system using coumarin derivatives as energy converters
A light-collecting system, characterized in that it contains a coumarin derivative of the formula ##STR1## in which T denotes O or NR 4 , in which R 4 represents hydrogen, optionally...
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4526705 |
Light-collecting systems and the use of coumarin derivatives as energy converters in them
Light-collecting system, characterized in that it contains a coumarin derivative of the formula ##STR1## in which T designates O or NR 4 , wherein R 4 represents hydrogen, optionally substituted...
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4501971 |
Radiographic intensifying screen
A radiographic intensifying screen comprising a substrate and a fluorescent layer provided thereon and consisting essentially of a binder and a radioluminescent phosphor dispersed therein. The...
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4384973 |
Dimethine compounds of the coumarin series, a process for their preparation and their use as luminous dyestuffs
Dimethine compounds of the coumarin series of the general formula ##STR1## with the substituent meanings given in the description are used for dyeing synthetic fibre materials, in particular those...
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4283197 |
Process for whitening polyester fibres by the exhaust method
A process for whitening polyester fibres with a fluorescent whitening agent for polyester and a shading dye by the exhaust method, said process being carried out in a dispersion of the fluorescent...
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4263176 |
Color-stable brighteners for detergents
Brighteners for detergents consisting of a mixture of 4,4'-bis-(2-morpholino-4-anilino-1,3,5-triazinylamino)-stilb
ene-2,2'-disul fonic acid-di-Na salt and from 5 to 50% by weight, calculated on...
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4235597 |
Granules of textile processing agents for use in organic solvent liquors
Non-dusty, free-flowing granules of textile processing agents for solvent application, which granules contain at least one textile processing agent, optionally together with a dispersing agent...
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