Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8158831 | Chrysene compounds for deep blue luminescent applications This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound. ... | 04/17/2012 |
| 8058478 | Aromatic amine derivative and organic electroluminescence device using the same A aromatic amine derivative having an specific structure having a diphenyl amino group, and two or more of substituent bonding to benzene ring thereof, and in an organic electroluminescence device which comprises at least one organic thin film layer comprising a lig... | 11/15/2011 |
| 7919654 | Cyclopentaphenanthrene-based compound and organic electroluminescent device using the same Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is us... | 04/05/2011 |
| 7847125 | Acridan derivatives as antioxidants A compound having the formula: R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring. The C3-C30 ring m... | 12/07/2010 |
| 7799950 | Diamine and polyamic acid derived therefrom for liquid crystal orientation applications A diamine includes a structure of formula (I), wherein X and Y are independently a divalence group selected from the group consisting of: —O—, —(C═O)—O—, —O—(C═O)—, —(C═O)—NH—, and —NH—(C═O... | 09/21/2010 |
| 7385095 | Indene derivatives and organic light emitting diode using the same The present invention provides an indene derivatives having a new structure and an organic light-emitting diode using the same. The organic light-emitting diode according to the present invention shows improved effects in efficiency, driving voltage and stability. | 06/10/2008 |
| 7365231 | Compound with antitumor activity and preparation method therefor The present invention provides the diaminophenyladamantane derivatives with antitumor activities and the preparation method therefore. The method includes a step of reacting an aromatic diol with at least one 5-halo-2-nitrophenol in the presence of at least one inor... | 04/29/2008 |
| 7338721 | Condensed polycyclic compound and organic light-emitting device using the same A new condensed polycyclic compound represented by general formula [I]: wherein R1 is hydrogen, halogen, cyano, a substituted amino or a group selected from the group consisting of alkyl, aralkyl, aryl, heterocyc... | 03/04/2008 |
| 7264890 | Electroluminescent material, electroluminescent element and color conversion filter An electroluminescent element is disclosed, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of... | 09/04/2007 |
| 7235312 | Aromatic compounds and organic electroluminescent devices made by using the same A novel aromatic compound represented by following general formula (I): among X1 to X20 in general formula (I), (1) at least four each independently represent a linear or branched alkoxyl gr... | 06/26/2007 |
| 7229702 | Oligofluorenlylene compounds The present invention provides an oligofluorenylene compound represented by the general formula below, which enables production of an organic light-emitting device that exhibits an extremely pure luminescent hue and has a light emission of high efficiency, high brig... | 06/12/2007 |
| 7188055 | Method, system, and computer program for displaying chemical data A system, method, and computer program product for visualizing and interactively analyzing data relating to chemical compounds. A user selects a plurality of compounds to map, and also selects a method for evaluating similarity/dissimilarity between the selected com... | 03/06/2007 |
| 7126031 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/... | 10/24/2006 |
| 7125614 | Organic electroluminescent device An electroluminescent device includes an anode, a cathode and at least one organic layer sandwiched between the anode and the cathode, the organic layer including a light-emitting layer which includes compound C1. ... | 10/24/2006 |
| 7122256 | Styryl compound and organic electroluminescence device Novel styryl compounds represented by the following general formulae (1) and (2): wherein R1 to R10 each independently represent hydrogen atom, an alkyl group, an alkoxyl group, an aryl grou... | 10/17/2006 |
| 7119206 | Derivative of dihydro-dibenzo (a) anthracenes and their use as selective estrogen receptor modulators The present invention provides a compound of the formula (I) wherein R1 is —H, —OH, —O(C1–C4 alkyl), —OCOC6H5, —OCO(C1–C6 alkyl), or —OSO2(C2–C6... | 10/10/2006 |
| 7097917 | Compounds for use in organic EL devices and organic EL devices A compound for use in organic EL devices comprising Xn—Y wherein X is a compound of the formula and Y is a linking group and R1 to R8 and a to d are hydroge... | 08/29/2006 |
| 7083867 | Peropyrene compound, organic electroluminescent element and organic electroluminescent display An organic electroluminescent element contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene ... | 08/01/2006 |
| 7081550 | Arylamine compound and organic electroluminescence device A novel arylamine compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group, an alkoxyl group, an aryl group, an arylalkyl group or an aryloxyl group, Ar1 to Ar | 07/25/2006 |
| 7057074 | Bisphenylene-spirobifluorene compounds, method for synthesizing the same, and electroluminescence material and device having the same Provided are bisphenylene-spirobifluorene compounds, a method for synthesizing the same, and EL material and device having the same. The bisphenylene-spirobifluorene compound is defined by the following formula: ... | 06/06/2006 |
| 7054757 | Method, system, and computer program product for analyzing combinatorial libraries The invention provides for in silico analysis of a virtual combinatorial library. Mapping coordinates for a training subset of products in the combinatorial library, and features of their building blocks, are obtained. A supervised machine learning approach is used ... | 05/30/2006 |
| 7041703 | 2-aminotetralines and pharmaceutical compositions for the prevention and therapeutic treatment of inflammatory and/or autoimmune pathologies 2-Aminotetralines, a process for their preparation, and pharmaceutical compositions, for the prevention and therapeutic treatment of inflammatory pathologies (particularly septic shock) and/or autoimmune pathologies in which the aetiopathogenic role of inflammatory ... | 05/09/2006 |
| 7039621 | System, method, and computer program product for representing object relationships in a multidimensional space A method and computer product is presented for mapping n-dimensional input patterns into an m-dimensional space so as to preserve relationships that may exist in the n-dimensional space. A subset of the input patterns is chosen and mapped into the m-dimensional spac... | 05/02/2006 |
| 6951693 | Organic electroluminescence device Materials for organic electroluminescence devices represented by following general formula [1]: wherein A represents a substituted or unsubstituted arylene group having 22 to 60 carbon atoms, X... | 10/04/2005 |
| 6929870 | Hydrocarbon compounds, materials for organic electroluminescent elements and organic electroluminescent elements An electroluminescent element in which at least one layer containing at least one of novel hydrocarbon compounds with an anthracene ring and a fluorene ring directly bound is held between a pair of electrodes. The compounds can advantageously be used in a luminescen... | 08/16/2005 |
| 6929871 | Organic electric-field light-emitting element In an organic electroluminescent element comprising an anode layer, an organic luminescent layer, an inorganic compound layer (or reductive dopant layer) and a cathode layer; the organic luminescent layer comprises an aromatic amine compound of a formula (1), and/or... | 08/16/2005 |
| 6835472 | Organic electroluminescent material and organic electroluminescent device fabricated using said material An organic material capable of generating luminescence by charge of an electric current includes a compound having a general formula (1): wherein Ar1, Ar2 and Ar3 | 12/28/2004 |
| 6830833 | Organic light-emitting device based on fused conjugated compounds Fused conjugated polymers having the following general formula wherein X=C or N; R1-R16 is independently selected from H, D, alkyl, alkoxyl, silyl, aromatic ring, fused aromatic ring, heteroaromat... | 12/14/2004 |
| 6822094 | Spiro compounds and their use Spiro compounds of the formula (I), in which at least one of the radicals K1, L, M, N1, R1, R2, R3, R4 is one of the following groups ... | 11/23/2004 |
| 6805977 | Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same The object of the present invention is to provide an organic EL element which utilizes a novel condensed eight-ring aromatic compound, and has high color purity of red light and excellent light-emitting efficiency, light-emitting luminance and the like. The organic ... | 10/19/2004 |
| 6783872 | Dinaphtopyrene compound, and organic EL element and organic EL display using the same An organic EL element utilizes a dinaphthopyrene compound that has a high color purity of green light, excellent light-emitting efficiency, light-emitting luminance. The organic EL element has, in between a positive electrode and a negative electrode, an organic thi... | 08/31/2004 |
| 6743948 | Organic electroluminescent device Materials for organic electroluminescence devices are represented by following general formula [1]: wherein B represents a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, X1 to X | 06/01/2004 |
| 6696178 | Cyclocondensed polycyclic hydrocarbon compound and light-emitting device using the same An organic light-emitting device comprising a light-emitting layer or a plurality of organic compound thin layers including a light-emitting layer formed between a pair of electrodes, wherein at least one layer comprises at least one kind of compound repr... | 02/24/2004 |
| 6686065 | [5]-helicene and dibenzofluorene materials for use in organic light emitting devices Organic materials based on [5] helicenes or dibenzofluorenes are shown to have excellent properties for use in electroluminescent devices, including high stability and efficiency and low excimer formation. The materials may advantageously be adapted to ha... | 02/03/2004 |
| 6657084 | Arylamine compound and organic electroluminescence device A novel arylamine compound represented by the following general formula (1): ##STR1## wherein R1 and R2 each independently represent an alkyl group, an alkoxyl group, an aryl group, an arylalkyl group or an aryloxyl group, Ar | 12/02/2003 |
| 6646164 | Triphenylamine derivative and organic electroluminescence device comprising the same A triphenylamine derivative represented by the following general formula (1): ##STR1## wherein R1, R2, R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, al... | 11/11/2003 |
| 6639102 | Process for producing polyisocyanates of the diphenyl methane series having a reduced color value Polyisocyanates of the diphenyl methane series having reduced color values are obtained by a) reacting aniline and formaldehyde in the presence of an acid catalyst to form a polyamine, b) neutralizing the reaction mixture containing polyamine with a base,... | 10/28/2003 |
| 6624201 | HIGH PURITY (1R,2S,4R)-(-)-2-[(2'-{N,N-DIMETHYLAMINO}-ETHOXY)]-2-[PHENYL]-1,7,7 -TRI-[METHYL]-BICYCLO [2.2.1]HEPTANE AND PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF AND A PROCESS FOR THE PREPARATION OF THESE COMPOUNDS AS WELL AS MEDICAMENTS CONTAINING 1 OR MORE OF THESE COMPOUNDS AND THEIR USE The invention relates to high purity (1R,2S,4R)-(-)-2-[(2'-{N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[m ethyl]-bicyclo[2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof containing not more than 0.2% of (1R,3S,4R)-3-[(2'... | 09/23/2003 |
| 6593012 | Organic electroluminescent deivce An organic electroluminescent device of the type comprises an organic layer 5, 5a or 5b having a luminescent region and provided between an anode 2 and a cathode 3. The organic layer contains a distyryl compound represented by the following general formul... | 07/15/2003 |
| 6555959 | Material for light emitting device, light emitting device using thereof, and amine compound A material for a light emitting device which is a compound represented by the following formula (I): ##STR1## wherein Ar1 and Ar6, which are the same or different, each represents a divalent aryl group or a divalent heterocyclic grou... | 04/29/2003 |
