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| Number | Title | Issue Date |
| 7902402 | Tetramine compound and organic EL device The present invention provides a method for producing a tetramine compound represented by formula (1): wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group havin... | 03/08/2011 |
| 7897816 | Tetramine compound and organic EL device The present invention provides a tetramine compound represented by the following general formula (1): wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group having... | 03/01/2011 |
| 7799951 | Non-staining antidegradants for vulcanized elastomers The instant invention discloses a process for preventing contact discoloration of substrates coming into contact with elastomers and stabilizing elastomers to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, which comprises incorp... | 09/21/2010 |
| 7586007 | Lubricating compositions containing ashless catalytic antioxidant additives The invention comprises lubricating compositions and hydraulic fluids containing N,N′-diaryl-p-phenylene diamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids. ... | 09/08/2009 |
| 7476765 | Chemical synthesis of chiral conducting polymers An process of forming a chiral conducting polymer, e.g., polyaniline, is provided including reacting a monomer, e.g., an aniline monomer, in the presence of a chiral dopant acid to produce a first reaction mixture by addition of a solution including a first portion ... | 01/13/2009 |
| 7431997 | Phenylcarbazole compounds and organic electroluminescence devices using the same A phenylcarbazole compound of formula (1) below is provided, where each of R1 and R2 is independently a monosubstituted or polysubstituted functional group selected from the group consisting of hydroge... | 10/07/2008 |
| 7425654 | Aromatic triamine compound and organic electroluminescence device using the same Provided are an aromatic triamine compound of a specific structure having at least one terphenyl structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers having at least a luminescent layer is... | 09/16/2008 |
| 7425653 | Aromatic amine derivative and organic electroluminescence device employing the same A specified aromatic amine derivative having a chrysene structure. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathod... | 09/16/2008 |
| 7413682 | Antioxidants and methods of making antioxidants Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-α-naphthyl amines; and a metal catalyst to form oxidates is provided. The metal catalyst is a co... | 08/19/2008 |
| 7402701 | Organic EL devices and production process thereof An organic electroluminescent device comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising a mixture of a hole-transporting material consisting of a tertiary amine compound, an electron-transporting material and a light-... | 07/22/2008 |
| 7374830 | Organic electroluminescent device An organic EL device includes a pair of electrodes, a light emitter layer obtained by mixing a hole transporting material made of a tertiary amine compound, an electron transporting material and a light emitting additive. The tertiary amine compound constituting the... | 05/20/2008 |
| 7255935 | Organic electroluminescent element and luminescent apparatus employing the same This invention provides an organic electroluminescent element which emits red light with high color purity, high luminance, and high reliability, owing to the compound used therein which has high fluorescence yields and good thermal stability. The organic electrolum... | 08/14/2007 |
| 7252894 | Anthracene compound for organic electroluminescent device An anthracene compound for an organic electroluminescent device, having formula (I) or (II) wherein R1, R2, R3, R4, R5, and R6 ... | 08/07/2007 |
| 7244485 | Imageable seamed belts having polyamide adhesive between interlocking seaming members A seamed flexible belt having a substrate and a seam having interlocking seam members, wherein the interlocking seam members are held together by an adhesive having polyamide and an optional electrically conductive filler, for use in electrostatographic, contact ele... | 07/17/2007 |
| 7235694 | Process for preparing 4-aminodiphenylamine A process for preparing 4-aminodiphenylamine having the steps of reacting nitrobenzene and aniline in the presence of a complex base catalyst, hydrogenating the reaction mixture with hydrogen, a powdery composite catalyst, and a hydrogenation solvent; separating, re... | 06/26/2007 |
| 7232913 | Paracyclophane molecules for two-photon absorption applications Chromophores having two-photon or other multi-photon absorptivity. The chromophores are based on a structure of four stilbenoid groups attached to a paracyclophane core, where each stilbenoid group comprises a nitrogen-containing organic group attached by its nitrog... | 06/19/2007 |
| 7226949 | Compounds of use in the treatment of epilepsy, seizure, and electroconvulsive disorders The present invention provides pharmaceutical preparations and the uses thereof for preventing and/or treating seizures and other electroconvulsive disorders by administering a pharmaceutically effective amount of a therapeutic compound having the following formula ... | 06/05/2007 |
| 7217841 | Stabilizers and antiozonants for elastomers Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula I [R—S(═O)m—CH2—CH(OH)—CH2 | 05/15/2007 |
| 7201976 | Organic electroluminescence material and electroluminescence device using the same An organic electroluminescence material of the present invention includes, in order to provide an durable organic EL device emitting light of high brightness, a compound shown by the general formula (A-I) or (B-I) (as explained in the specification) wherein, A1... | 04/10/2007 |
| 7196224 | 1,3,5-tris(arylamino)benzenes The invention provides 1,3,5-tris(arylamino)benzenes represented by the general formula (I) wherein A is naphthyl, anthryl, phenanthryl, biphenylyl or terphenylyl group, and R is alkyl having 1–6 carbon atoms o... | 03/27/2007 |
| 7183439 | Process for preparing 4-aminodiphenylamine intermediates The invention is directed to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps: a. bringing an aniline or aniline derivative and nitrobenzene into reactive contact; and b. re... | 02/27/2007 |
| 7176333 | Process for preparing 4-aminodiphenylamine The present invention discloses a process for preparing 4-aminodiphenylamine, which process uses nitrobenzene and aniline as raw materials, a complex base catalyst as condensation catalyst and a powdery composite catalyst as hydrogenation catalyst, and comprises fiv... | 02/13/2007 |
| 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 |
| 7094929 | Water-soluble distyrylbenzene chromophores for applications in optoelectronic technologies Two-photon or multi-photon chromophores having a conjugated pi-electron system with donating groups at each end of the pi-electron system providing charge-transfer properties, and having quaternary amine groups that can enhance the solubility of the chromophore in w... | 08/22/2006 |
| 7084302 | Process for preparing 4-aminodiphenylamine A process for preparing 4-aminodiphenylamine using nitrobenzene and aniline as raw materials, a complex base catalyst as the condensation catalyst, and a powdery composite catalyst as the hydrogenation catalyst. The process has 5 process stages including condensatio... | 08/01/2006 |
| 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 |
| 7038372 | Organic EL element and method of producing the same A first electrode is formed above a substrate, organic material layers are stacked above the first electrode, and a second electrode is formed above the organic material layers. Among the organic material layers, at least two organic material layers having interface... | 05/02/2006 |
| 7014925 | Heterogeneous spiro compounds in organic light emitting device elements A family of non-polymeric heterogeneous spiro compounds having visible light emissive, hole-transport, electron transport or bipolar-transport properties may be used in organic light emitting devices (OLEDs), as an emissive layer in the OLEDs and/or in one or more o... | 03/21/2006 |
| 7008555 | Epoxy resin curing agents and epoxy resin compositions A curing agent for epoxy agent having N-phenyl-p-phenylenediamine(4-aminodiphenylamine). An epoxy resin combination having a main agent and a curing agent. The main agent has an epoxy resin. The curing agent has a N-phenyl-p-phenylenediamine(4-aminodiphenylamine). | 03/07/2006 |
| 6979746 | (1,4-phenylene)bis(methylene) phosphonic acid esters and (1,4-phenylene)bis(methylene) triphenyl phosphonium salt compounds A diphosphonic acid ester of formula [VII] or [VII′] and a diphosphonium salt of formula [VIII] or [VIII′] are provided: wherein R75, R76, R75′ and R76′ may be the sa... | 12/27/2005 |
| 6936189 | Cyclic tertiary amine compound and organic electroluminescent device containing the compound A cyclic tertiary amine compound represented by a formula (1) and an organic luminescent device are disclosed. Use of the cyclic tertiary amine compound as a hole transport material, a hole injection material or an organic electroluminescent material can provide org... | 08/30/2005 |
| 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 |
| 6890669 | Light emitting element material A red light emitting element material with high color purity and a light emitting element using the red light emitting element material. A light emitting element material including a compound which is expressed by following general formula (A) and a light emitting e... | 05/10/2005 |
| 6849345 | Organic electroluminescent devices with high luminance Disclosed is a multilayer electroluminescent device comprising a cathode, an anode, a light emitting layer (LEL) and a layer disposed between the cathode and anode containing a naphthalene compound represented by formula (1): | 02/01/2005 |
| 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 |
| 6723455 | Organic electro-luminescent element and material of organic electro-luminescent element An electro-luminescent element comprising an organic compound layer is disclosed. The organic compound layer contains a compound represented by Formula I or Formula V: wherein R1 and R2 are each a s... | 04/20/2004 |
| 6706216 | Liquid antiozonants and rubber compositions containing same Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected... | 03/16/2004 |
| 6706217 | Liquid antiozonants and rubber compositions containing same Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected... | 03/16/2004 |
| 6700058 | Hole transporting agents and photoelectric conversion device comprising the same A photoelectric conversion device comprising a semiconductor and an organic electrically conducting agent, wherein the organic electrically conducting agent exhibits a melting temperature Tm which is lower than the operation temperature of the ... | 03/02/2004 |
