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| Number | Title | Issue Date |
| 7393468 | Adhesive with differential optical properties and its application for substrate processing An adhesive adapted with particular optical properties, and its use to couple a substrate to a substrate holder during substrate processing are disclosed. After processing the substrate, the optical properties of the adhesive may be exploited to locate and/or remove... | 07/01/2008 |
| 7192471 | Aryl-ureido benzoxazinone compounds Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I): wherein R1 is an substituted or unsubstituted aryl group, R2 and R3 are ea... | 03/20/2007 |
| 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) selected from the group consisting of sugar and starch; and one or mo... | 12/19/2006 |
| 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 of the carrier and the dopant is such that the fluorescent fingerprin... | 10/31/2006 |
| 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 devices. Examples of such additives include transparent polymers, gel-retard... | 10/03/2006 |
| 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 polymer having a Tg of at least 170° C., and each of the org... | 10/03/2006 |
| 7108742 | Ink compositions containing lanthanide complexes The invention relates to an ink composition containing (a) a compound of formula (I), Lm−Ln3+(Ch−)n (I), wherein Ln represents a lanthanide, CH− is a negatively charged ligand containing at least one UV ab... | 09/19/2006 |
| 7100292 | Fiber optic indicator marking for bow sight An adjustment system for a vertically adjustable bow sight includes a plurality of fiber optic set points and one fiber optic alignment point that is movable relative to the plurality of set points. Each fiber optic point, including the set points and alignment poin... | 09/05/2006 |
| 7063806 | Fluorescent diketopyrrolopyrroles The present invention relates to fluorescent diketopyrrolopyrroles (“DPPs”) of the formula characterized in that that at least two adjacent substituents R5 to R11 form an aromatic or ali... | 06/20/2006 |
| 7041235 | Fluorescent diketopyrrolopyrrole analogues The present invention relates to fluorescent diketopyrrolopyrrole analogues of the general formula (I), wherein A1 and A2 are C1–C18alkyl, C2–C18alkenyl, C2–C18alkynyl, C | 05/09/2006 |
| 7009198 | Pattern method and system for detecting foreign object debris using a fluorescent drilling lubricant A method of detecting a non-fixed object created during hole drilling operations on a system (12) includes applying a light emitting lubricant (25) to a drill bit (37) of a hole-drilling device (31). The light emitting lubricant adheres t... | 03/07/2006 |
| 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 about 80 percent of the fluorescent lubricant. The solid lubricant i... | 06/15/2004 |
| 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: wherein x, y and z are numbers which satisfy 1.2×10-3ࣘxࣘ1.9×10... | 01/13/2004 |
| 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 appropriately used in, for example, a display of information appli... | 03/11/2003 |
| 6471887 | Neodymium, ytterbium and/or erbium containing organic fluorescent compositions A fluorescent substance of the following general formula: Lnx A1-X PO4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group co... | 10/29/2002 |
| 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 sensitive Li6 F and the second is a rare-earth activ... | 10/29/2002 |
| 6458294 | Fluorescent ink compositions A fluorescent substance of the following general formula: LnX A1-X PO4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group co... | 10/01/2002 |
| 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 embedded in a polymer matrix, wherein the absorption spectrum... | 07/02/2002 |
| 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 compound providing a rosin that retains its physical prop... | 08/28/2001 |
| 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 chromophore in-situ from the pigment precursor, and, subsequently, isolating... | 08/14/2001 |
| 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 organic solvents include ketones and alcohols. The fibers m... | 04/17/2001 |
| 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 luminous or fluorescent substance emitting light accompan... | 11/14/2000 |
| 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 W1 of a weight (W1) of a fine powder component of an inorganic material having a size of from 10 ... | 10/24/2000 |
| 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 non-invasive techniques.... | 07/11/2000 |
| 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 method, the near infrared fluorophore is dissolved in a stro... | 03/14/2000 |
| 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 difluoride moiety, forming a fluorescent dibenzopyrrometheneboron d... | 12/21/1999 |
| 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 C1 -C18 alkylcarboxy radical.... | 11/09/1999 |
| 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, fluorocarbon, siloxyl or heteroorganic group, the poly(3-subs... | 10/12/1999 |
| 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 photoluminescence. The detector includes a specific polysilmethylene com... | 09/15/1998 |
| 5763189 | Fluorescence energy transfer and intramolecular energy transfer in particles using novel compounds Particles comprising an energy donor as a first component and a fluorescent dye as a second component positioned in said particles at an energy exchanging distance from one another, wherein the two components have a Stokes shift of greater than or equal t... | 06/09/1998 |
| 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 of the invention the substance is attached to one or more r... | 02/03/1998 |
| 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 a transition or lanthanide or actinide metal, such as tris... | 08/19/1997 |
| 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; dispersants and water, and if appropriate auxiliaries. These f... | 05/21/1996 |
| 5435937 | Fluorescent compounds Novel compounds obtainable by reacting together an imido-reagent such as diphenylphosphonimidotriphenylphosphorane) with a chelate of a transition or lanthanide or actinide metal, such as tris(dibenzoylmethide) europium III, has the property of fluorescin... | 07/25/1995 |
| 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 difluoride moiety, forming a fluorescent dibenzopyrrometheneboron d... | 07/18/1995 |
| 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 components. These formulations are especially suitable for the p... | 07/04/1995 |
| 5376456 | Electroluminescent devices comprising polymers, and processes for their use Electroluminescent devices have, as the active layer, a polymer having a chain comprising a plurality of electroluminescent groupings, adjacent pairs of the electroluminescent groupings being connected via two benzene rings linked by only a single covalen... | 12/27/1994 |
| 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 excitation wavelength of the first dye in the series, transfer th... | 07/05/1994 |
| 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 manufacturing the phosphorescent gel composition comprises, in o... | 05/03/1994 |
| 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 stability.... | 07/21/1992 |
