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| Number | Title | Issue Date |
| 8017806 | 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. ... | 09/13/2011 |
| 7723546 | Arylamine compounds and their use in electronic devices Provided are arylamine compounds having Formula I, II, III, or IV: wherein Ar is the same or different at each occurrence... | 05/25/2010 |
| 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 |
| 7408085 | Rapid cost effective method for the synthesis of TPD-type arylamines A process for forming a tetra(aryl)-biphenyldiamine compound, including reacting a dibromobiphenyl compound and a diarylamine compound in the presence of a palladium ligated catalyst and a base. ... | 08/05/2008 |
| 7402344 | Organic electroluminescent devices and aminostyrylnaphthalene compounds An organic electroluminescent device includes an anode, a cathode, and an organic layer having a light-emitting area and arranged between the anode and the cathode. The organic layer contains in at least a part thereof at least one aminostyrylnaphthalene compound re... | 07/22/2008 |
| 7390928 | Alkylation of N′-phenyl-N-alkylphenylenediamines in ionic liquid, N′-phenyl-N-alkyl (alkylphenylene) diamines produced thereby, and lubricant compositions containing same A process for alkylation of a N′-phenyl-N-alkyl-p-phenylenediamine of specified formula in an ionic liquid unexpectedly produces a N′-phenyl-N-alkyl(alkylphenylene)diamine of a second specified formula. The use of an inorganic liquid permits convenient separatio... | 06/24/2008 |
| 7365232 | Process for preparing a polyformyl arylamine A process including reacting a substituted or unsubstituted arylamine or a mixture thereof with a Vilsmeier reagent in the presence of a weakly polar liquid. ... | 04/29/2008 |
| 7271290 | Monoformylated arylamine processes and compounds A process comprising for example reacting a substituted or unsubstituted arylamine or a mixture thereof with a Vilsmeier reagent in a solvent system comprising acetonitrile as a sole solvent or a solvent system comprising acetonitrile and one or more solvents select... | 09/18/2007 |
| 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 |
| 7247761 | Method for the production of aryl-aryl coupled compounds The present invention relates to a process for preparing aryl-aryl-coupled compounds and materials. These materials play an important role in industry, for instance as liquid crystals, pharmaceuticals, agrochemicals and as organic semiconductors. The aryl-aryl coupl... | 07/24/2007 |
| 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 |
| 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 |
| 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 |
| 7049473 | Hydroformylation The present invention relates to a process for hydroformylating in the presence of a catalyst comprising at least one complex of a metal of transition group VIII with mono-phosphorus compounds which are capable of dimerizing via noncovalent bonds as ligands, to such... | 05/23/2006 |
| 7045647 | Blends of quinone alkide and nitroxyl compounds and polymerization inhibitors Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one nitroxyl compound, and B) at least one quinone alkide compound having an electro... | 05/16/2006 |
| 7022220 | C-nitrosoaniline compounds and their blends as polymerization inhibitors Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine o... | 04/04/2006 |
| 7019174 | Preparation of colourless dibenzylamine The invention relates to a process for preparing colourless dibenzylamine by adding ammonium chlorides or amines to the industrially obtained dibenzylamine and subsequent distillation. ... | 03/28/2006 |
| 7001708 | Photosensitive polymeric material for worm optical data storage with two-photon fluorescent readout Image formation via photoinduced fluorescence changes in a polymeric medium with two-photon fluorescence readout of a multi-layer structure. Fluorophore-containing polymers, possessing one or more basic functional groups, underwent protonation in the presence of a p... | 02/21/2006 |
| 6955856 | Biphenyl derivatives and organic electroluminescent device employing the same A biphenyl derivative having an amino group with or without alkoxy substituent in the biphenyl backbone, and an organic electroluminescent device using the same. ... | 10/18/2005 |
| 6943195 | Cycloalkenone derivative (−)-3-[3-[(1R,2R,4S)-bicyclo[2.2.1]hept-2-yloxy]-4-methoxyanilino]-2-methyl-2-cyclopenten-1-one, or its hydrate or solvate, or a pharmaceutical composition containing the same. ... | 09/13/2005 |
| 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 |
| 6922278 | Switched laser array modulation with integral electroabsorption modulator A photonic device including an array of lasers providing light to an array of electro-absorption modulators, both on a common substrate. In some embodiments the lasers are in a closely spaced array and lase at different wavelengths, providing with associated electro... | 07/26/2005 |
| 6902663 | C-nitrosoaniline compounds and their blends as polymerization inhibitors Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine o... | 06/07/2005 |
| 6897341 | Bis(aminostyryl)naphthalene compound, synthesis intermediate thereof, and process for production thereof 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 den... | 05/24/2005 |
| 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 |
| 6713135 | Materials for inducing alignment in liquid crystals and liquid crystal displays The present invention provides novel polyimides, poly(amic acids) and poly(amide esters) thereof, and optical alignment layers derived therefrom, for inducing alignment of liquid crystals and liquid crystal displays. The novel compositions comprise side-chain polyme... | 03/30/2004 |
| 6653510 | Process for the isolation of polymer fractions The invention relates to a process for isolating, from a polymer comprising repeating units which are individually of Formula X ##STR1## in which Y is P or N, Ar1 & Ar2 are bivalent aromatic groups, Ar3 is a monoval... | 11/25/2003 |
| 6583320 | Process for preparing 4-aminodiphenylamine intermediates 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 confi... | 06/24/2003 |
| 6541129 | Organic electroluminescence device and phenylenediamine derivative 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 o... | 04/01/2003 |
| 6540793 | Coupler for use in oxidative hair dyeing Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): ##STR1## wherein R is selected from the group consisting of C1 to C2 alkyl and hydroxyethyl; R1 is selected from the gr... | 04/01/2003 |
| 6521793 | Catalyst ligands, catalytic metal complexes and processes using same New ligands having a backbone comprised of NCCX can be combined with a metal or metal precursor compound or formed into a metal-ligand complex to catalyze a number of different chemical transformations, including polymerization.... | 02/18/2003 |
| 6492557 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. ##STR1## (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a ... | 12/10/2002 |
| 6426324 | Lubricant composition An antioxidant composition suitable for ester fluid lubricants is the reaction product of diphenylamine and N-aryl naphthylamine in the presence of an organic peroxide. The mole ratio of diphenylamine:N-aryl naphthylamine is about 1:1 to about 10:1. This ... | 07/30/2002 |
| 6395933 | Process for preparing 4-aminodiphenylamine intermediates 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 conf... | 05/28/2002 |
| 6365776 | Process for producing aromatic amines The present invention provides an activator in arylamination using a palladium compound as a catalyst, which is superior to conventional phosphines in stability and performance. With the phosphine sulfide as an activator, an arylamination reaction achieve... | 04/02/2002 |
| 6355839 | Alkylation of diphenylamine with polyisobutylene oligomers A process for preparation of alkylated diphenylamine antioxidant which comprises alkylating diphenylamine with a polyisobutylene in the presence of a clay catalyst, wherein the polyisobutylene has an average molecular weight in the range of 120 to 600 and... | 03/12/2002 |
| 6331553 | Aromatic amine derivatives having NOS inhibiting action Compounds represented by the general formula (1): ##STR1## (where R1 and R2 are typically a hydrogen atom; R3 and R4 are typically a hydrogen atom or a lower alkyl group; R5 is typically a hydrogen at... | 12/18/2001 |
| 6280859 | Light-emitting material for organo-electroluminescence device and for organic electroluminescence device which the material is applied A light-emitting material which serves to emit light having a high brightness and is almost free of deterioration in light emission, and an organic EL device for which the light-emitting material is adapted, the material having the formula [1], ##STR... | 08/28/2001 |
| 6235736 | 3-anilino-2-cycloalkenone derivatives A 3-anilino-2-cycloalkenone derivative of the formula (I): ##STR1## wherein, R1 represents a C1 to C8 alkyl group, which may have a substituent, except for a methyl group, a C3 to C7 cycloalkyl group,... | 05/22/2001 |
