Abstract: 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 cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic electroluminescence devices are provided.

Abstract: Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-?-naphthyl amines; and a metal catalyst to form oxidates is provided. The metal catalyst is a combination of a cation and an organic anion, for example, a metal acetylacetone. The reaction takes place in the presence of oxygen to form an antioxidant comprising oligomers of the alkylated diphenylamine and the alkylated phenyl-?-naphthyl amine, and a metal component of the catalyst.

Abstract: The present invention relates to materials useful as an electron or hole transport or injection layer in organic electrooptic devices. The material can form or be part of an electrically conductive organic layer, suitable for the transport of so-called positive charges or holes. The inventive HTL compounds are intrinsically doped HTLs which allows their deposition with greater homogeneity and reproducibility than matrix compositions consisting of a matrix material and an admixed p-dopant.

Abstract: 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-emitting additive material, in which the tertiary amine compound has two or more oxidation potentials determined by a cyclic voltammetry wherein a potential difference between the first oxidation potential and the second oxidation potential in the oxidation potentials is 0.22V or more, and a glass transition temperature of at least 100° C., and the electron-transporting material has a glass transition temperature of at least 100° C.

Abstract: An arylamine compound represented by formula (1): wherein R1 to R4 each independently represents a linear alkyl group or an arylalkenyl group, provided that when all of R1 to R4 represent linear alkyl groups, at least one of R1 to R4 represents a linear alkyl group having a carbon number of 3 or more; and an electrophotographic photoreceptor.

Abstract: An object of the present invention to provide a material for a light-emitting element or a hole injecting high molecular weight material which has a sufficient hole injecting property, without using a dopant having an electron accepting property. One of materials of the present invention which can achieve the object, has a repeating unit represented by the following formula (1), In the formula (1), R1 represents hydrogen, an alkyl group, a cyano group, or an alkoxy group, and R2 represents an aryl group. The material has an ionization potential of 4.9 eV or more and 5.4 eV or less.

Abstract: The present invention provides a novel aromatic amine derivative enabling to obtain an organic electroluminescence device which is driven under a low voltage, exhibits small increase in the driving voltage after continuous driving for a long time and has a long life. The amine derivative is represented by the following general formula (1). In the formula, R1 to R7 each represent, for example, hydrogen atom or a substituted or unsubstituted aryl group having 5 to 50 nuclear carbon atoms; a represents an integer of 1 or greater; b, c, g and h each represent an integer of 1 to 5, and d, e and f each represent an integer of 1 to 4; and Ar1 and Ar2 represent a group represented by following general formulae (2) and (3), respectively, and the groups represented by Ar1 and Ar2 are not same with each other. R8 to R11 each represent, for example, hydrogen atom; and i and m each represent an integer of 1 to 5, j and k each represent an integer of 1 to 4, n and p each represent an integer of 0 or greater, and n?p.

Abstract: 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 hole transporting material has only one oxidation potential as measured by the cyclic voltammetry. A difference in ionization potential between the hole transporting material and electron transporting material of the light emitter layer is 0.35 eV or greater.

Abstract: It is an object of the present invention to provide a light-emitting substance which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light-emitting element which is resistant to repetition of a reduction reaction. An aspect of the present invention is an anthracene derivative represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms; R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, which may have a substituent or no substituent; Ph1 represents a phenyl group, which may have a substituent or no substituent; and X1 represents an arylene group having 6 to 15 carbon atoms.

Abstract: Provided are a cyclopentaphenanthrene-based compound and an organoelectroluminescent device employing the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, color stability, and thermal stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, an emitting layer, in an organoelectroluminescent device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: A cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, an emitting layer, in an organoelectroluminescent device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: The present invention provides p-terphenyl compounds represented by the following general formula (1) and (2): and an electrophotographic photoconductor containing the compound. According to the invention, a charge transporting agent having improved solubility in an organic solvent and an electrophotographic photoconductor excellent in drift mobility and having high sensitivity and high durability are provided.

Abstract: Provided are an organic light-emitting compound that is a diarylethene derivative represented by Formula 1, and an organic electroluminescent (EL) device using the organic light-emitting compound, and a method of manufacturing the organic EL device: where R1, Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, k, l, m, and n are the same as defined in the specification. The organic light-emitting compound contains a cis-diarylethene group linked with an aliphatic ring, and thus crystallization of the organic light-emitting compound is unlikely to occur and the compound is highly soluble to organic solvents and easily provides liquid formulation with organic solvents. Thus, the organic light-emitting compound can easily be used in organic EL devices. An organic EL device manufactured using the compound can have a thermostable layer and thus has improved light-emitting properties in term of superior turn-on voltage, efficiency, color purity, etc.

Abstract: An anthracene compound for an organic electroluminescent device, having formula (I) or (II) wherein R1, R2, R3, R4, R5, and R6 are each individually an unsubstituted or substituted aryl group having 6 to 20 carbon atoms, an unsubstituted or substituted heteroaryl group having 6 to 20 carbon atoms, or an unsubstituted or substituted alkyl group having 1 to 12 carbon atoms, wherein the substituent is C1-10 alkyl, C1-10 alkoxy, or halogen.

Abstract: 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 nitrogen atom to a stilbenoid arm. In particular embodiments, at least one of the stilbenoid groups includes a sulfonium, ammonium, selenium, iodonium or phosphonium moiety. The chromophores have utility as photo-polymerization initiators and two-photon fluorophores for biological imaging.

Abstract: 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 (I): Embodiments include administering an effective amount of 4,4?-thiodianiline, 4,4?-diaminobenzophenone, 4,4?-methylenedianiline, 4,4?-diaminodiphenyl ether, or (3-aminophenyl)-(4-aminophenyl) amine, an analog, or a pharmaceutically accepted salt or complex thereof to a mammal in need of treatment or prevention of epilepsy, seizure, or other electroconvulsive disorder.

Abstract: 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]n—N(R1)2-n—R2, ??(I) in which R is C4–C20alkyl, hydroxyl-substituted C4–C20alkyl; phenyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl, cyclohexyl or —(CH2)qCOOR3, and, if m is 0, R may additionally be and, if n is 1 and R4 is hydrogen, R may additionally be R2—R1N—CH2—CH(OH)—CH2—S(?O)m—(CH2)x— or R2—R1N—CH2—CH(OH)—CH2—S(?O)m—CH2—CH2—(O—CH2—CH2)y—, R1 is hydrogen, cyclohexyl or C3–C12alkyl, R2 is R3 is C1-C18alkyl, R4 is hydrogen or —CH2—CH(OH)—CH2—S(?O)m—R, X is C1–C8alkyl, Y is C1–C8alkyl, m is 0 or 1, n is 1 or 2, q is 1 or 2, x is from 2 to 6, and y is 1 or 2. The compounds of the formula I are also suitable as stabilizers for elastomers to prevent contact discoloration of substrates coming into contact with elastomers.

Abstract: 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 to A3 which may be the same or different, are independently each a substituent shown by the general formula (A-II) (as explained in the specification): and a1, b1, and b2 are independently each an aryl group which may be substituted, a1 having at least one substituent shown by the general formula (B-II) (as explained in the specification), and b1 and b2 each having at least one substituent shown by the general formula (B-III) (as explained in the specification), and b1 and b2 may be the same of different.

Abstract: 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 or cycloalkyl group having five or six carbon atoms. The 1,3,5-tris(arylamino)benzenes have oxidation potentials in the range of about 0.5–0.6V, excellent reversibility in oxidation-reduction process and high glass transition temperatures and in addition, they are capable of forming stable and durable amorphous film useful as high performance organic semiconductors at normal temperatures or higher with no aid of binder resins, that is, by themselves.

Abstract: 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. reacting the aniline and nitrobenzene in a confined zone at a suitable time and temperature, in the presence of a mixture comprising a strong organic base, or equivalent thereof, and an oxidant comprising hydrogen peroxide in an amount of from about 0.01 to about 0.60 moles of hydrogen peroxide to moles of nitrobenzene.

Abstract: 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.

Abstract: 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 group, an aryloxyl group, a condensed polycyclic group, a heterocyclic group, amino group, an alkylamino group, an arylamino group, cyano group, nitro group, hydroxyl group or a halogen atom, adjacent groups among groups represented by R1 to R10 may be bonded to each other and form a saturated or unsaturated carbon ring, and A, B, C, D, A?, B?, C? and D? each independently represent a substituted or unsubstituted alkyl group or aryl group having a specific structure; and an organic electroluminescence device comprising a film of organic compounds comprising at least a light emitting layer, wherein at least one of the layers of the film of organic compounds comprises the novel styryl compound.

Abstract: 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 compound represented by following Structural Formuala (1): wherein R1, R6, R8 and R13 may be the same as or different from one another and each represent a group represented by following Structural Formula (2); and R2, R3, R4, R5, R7, R9, R10, R11, R12 and R14 each represent hydrogen atom or a substituent: wherein R15 and R16 may be the same as or different from each other and each represent one of hydrogen atom, an alkyl group and an aryl group, where R15 and R16 may be bound to each other directly or indirectly.

Abstract: 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).

Abstract: 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 organic EL devices having high luminous efficiency and a long service life.

Abstract: 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 luminescent element and provide an organic electroluminescent element having an excellent luminescent efficiency and a long luminescent life.

Abstract: 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 element using the compound. In the following general formula (A), at least two of R1, R2, and R3 each independently represents an aryl group or heterocyclic group, and at least one of the R1, R2, and R3 contains a group expressed by following general formula (B). In the general formula (B), R4 represents a heterocyclic group or electron attracting group, R5 represents a hydrogen atom or electron attracting group, R6, R7, and R8 each independently represents a hydrogen atom or substituent, and m represents 0, 1, or 2. However, in a case in which only one group expressed by the general formula (B) is contained in the general formula (A), R4 and R5 are not cyano groups at the same time.

Abstract: 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): wherein m is 0, 1 or 2; each Ra is an independently selected substituent and each n is independently 0 to 3; each Ara is an independently selected aromatic group; and each Arb is an independently selected carbocyclic aromatic group; provided that two ring substituents may join to form a ring. The device provides a desired high luminance.

Abstract: 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 may be the same or different and, respectively, represent a substituted or unsubstituted aryl group or heterocyclic aryl group and wherein R1, R2, R3, and R4 may be the same or different and, respectively, represent a alkyl group, cycloalkyl group, a substituted or unsubstituted aryl group or heterocyclic aryl group.

Abstract: The present invention relates to processes for the facile synthesis of diaryl amines and analogues thereof. The processes of the present invention produce diaryl amines in high yield and purity. The present invention also relates to intermediates useful in the process of the present invention.

Abstract: The present invention is related to an indole-based compound represented by Formula (I) disclosed in the application useful in forming a light emitting material for an organic electroluminescent device. One of the aspects of the invention is directed to an organic electroluminescent device having a multi-layered structure comprising a cathode, an anode and at least one organic layer, wherein said at least one organic layer comprises the indole-based compound. The indole-based compound contains two light-emitting units, each having an indole-based structure, linked with a connecting unit, which is an arylamine. The color of the light emitted by the light emitting material can be adjusted by changing the connecting unit.

Abstract: 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 substituent, and Ar is an aromatic hydrocarbon ring or an aromatic heterocyclic ring each of them may have a substituent, wherein R11 through R16 and X1 through X9 are each a hydrogen atom or a substituent, they may be the same or different; and the sum of the steric parameters EsR1 through EsR16 of R11 through R16 satisfies the following expression: EsR11+EsR12+EsR13+EsR14+EsR15+EsR16≦−2.0.

Abstract: 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 from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.

Abstract: 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 from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.

Abstract: 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 photoelectric conversion device.

Abstract: The present invention relates to a process for the preparation of N-arylanthranilic acids, and a process for the preparation of N-aryl anthranilic esters, amides, and hydroxamic esters.

Abstract: An organic electroluminescence material of the present invention includes, in order to provide a durable organic EL device emitting light of high brightness, a compound shown by the following general formula (A-I) or (B-I) 1

Abstract: This invention relates to covulcanizable anti-aging agents which can be produced by the reaction of p-phenylenediamines, which are optionally substituted, and/or of sterically hindered phenols, with bifunctional alkyl, aryl and/or aralkyl compounds and by subsequent reaction of the products thus obtained with sulfur and/or sulfur donor compounds. The anti-aging agents according to the present invention maintain their efficacy over a long period of time and are distinguished in particular by the fact that in practice, they are hardly extracted from the vulcanized products by water, by oil and/or petrol, or by hydraulic fluids.

Abstract: The invention is to provide an organic EL device having a long life time that can reduce the driving voltage of the organic EL device, and to provide a material having a small ionization potential and exhibiting a large hole mobility by using as a layer or a zone. The organic electroluminescence device comprises a pair of electrodes and an organic light emitting layer sandwiched in the electrodes, characterized in that a hole transporting zone provided between the electrodes comprises the phenylenediamine derivative represented by the specific structural formulae, and the phenylenediamine derivative has a hole mobility of 10−4 cm2/V·s or more upon using as a layer or a zone, with the organic light emitting layer containing a charge injection auxiliary.

Abstract: This invention relates to fluorene compounds and their use as a hole transport material in an electro-luminescence device.

Abstract: The invention provides modifiers for the anionic polymerization of conjugated dienes or of conjugated dienes with vinylaromatic compounds, wherein the modifiers are specific aminoethers.

Abstract: The invention is directed-to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps of bringing an aniline or aniline derivative and nitrobenzene into reactive contact and reacting the aniline and nitrobenzene in a confined zone at a suitable time and temperature, in the presence of a mixture comprising an inorganic salt or metal organic salt having a cation that would be a suitable cation of a strong inorganic base, an oxidant and an organic base, the mixture not including a reaction product of betaine and a strong inorganic base.

Abstract: A material for a light emitting device which is a compound represented by the following formula (I): wherein Ar1 and Ar6, which are the same or different, each represents a divalent aryl group or a divalent heterocyclic group; R2, R3, R7 and R8, which are the same or different, each represents an aryl group, a heterocyclic group or an aliphatic hydrocarbon group; R4a, R5a, R9a and R10a, which are the same or different, each represents a hydrogen atom or a monovalent group, and at least one of R4a, R5a, R9a and R10a represents an electron withdrawing group having a Hammett's &sgr;p value of 0.

Abstract: A bis(aminostyryl)benzene compound of the following general formula [I] is provided 1

Abstract: Novel styryl compounds represented by the following general formulae (1) and (2): 1

Abstract: A fuel oil detergent which efficiently constricts precipitate formation and octane number requirement increase in a carburetor, injector, and inlet system of an internal combustion engine, i.e., a hydropoly(oxyalkylene) oxyalkyl amine based compound, a process for preparing the compound, and a fuel oil composition including the compound.

Abstract: A bis(aminostyryl)benzene compound of the following general formula [I] is provided wherein R2 and R3 independently represent an unsubstituted aryl group, and R1 and R4 independently represent an aryl group, and R5 to R8 independently represent a cyano group or the like. A process for the preparation thereof is described wherein a 4-(N,N-diarylamino)benzaldehyde and a diphosphonic acid ester or diphosphonium salt are, for example, subjected to condensation reaction. Intermediates of the bis(aminostyryl)benzene compound are also described.

Abstract: In a method for preparing polyaniline, aniline is polymerized in a reactor in a polymerization medium containing aniline and oxidant. The polymerization is performed in a reactor in which the ratio of the heat transfer surface to the reaction volume is at least 10/m, preferably at least 20/m. In the apparatus, the polymerization is performed in a tubular reactor by allowing a medium containing aniline and oxidant to flow in a mixed flow through the tubular reactor. The tubular reactor is equipped with static mixers, and there can be several tubular reactors in parallel.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.

Abstract: This invention relates to fluorene compounds and their use as a hole transport material in an electro-luminescence device.