237 results about "Arame" patented technology

An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and comprises; (i) a further layer located between the cathode and the light emitting layer, containing (a) 10 vol % or more of a carbocyclic fused ring aromatic compound, and (b) at least one salt or complex of a Group IA, IIA, IIIA and IIB element of the Periodic Table, and

(ii) an additional layer, located between the anode and the light emitting layer, containing a compound of Formula (8)

wherein: each R independently represents hydrogen or an independently selected substituent, at least one R representing an electron-withdrawing substituent having a Hammett's sigma para value of at least 0.3. Such devices exhibit reduce drive voltage while maintaining good luminance.

Polymers with improved bioadhesive properties and methods for improving bioadhesion of polymers have been developed. A compound containing an aromatic group which contains one or more hydroxyl groups is grafted onto a polymer or coupled to individual monomers. In one embodiment, the polymer is a biodegradable polymer. In another embodiment, the monomers may be polymerized to form any type of polymer, including biodegradable and non-biodegradable polymers. In some embodiments, the polymer is a hydrophobic polymer. In the preferred embodiment, the aromatic compound is catechol or a derivative thereof and the polymer contains reactive functional groups. In the most preferred embodiment, the polymer is a polyanhydride and the aromatic compound is the catechol derivative, DOPA. These materials display bioadhesive properties superior to conventional bioadhesives used in therapeutic and diagnostic applications. These bioadhesive materials can be used to fabricate new drug delivery or diagnostic systems with increased residence time at tissue surfaces, and consequently increase the bioavailability of a drug or a diagnostic agent. In a preferred embodiment, the bioadhesive material is a coating on a controlled release oral dosage formulation and/or forms a matrix in an oral dosage formulation.

A novel aromatic compound having an anthracene skeleton structure and an asymmetric molecular structure; and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer containing a light emitting layer and sandwiched between the cathode and the anode in which at least one layer in the organic thin film layer contains the above novel aromatic compound singly or as a component of a mixture. The organic electroluminescence device exhibits a great luminance of emitted light, a great efficiency of light emission and a high purity of color, emits bluish light, is excellent in stability at high temperatures and has a long life. The organic electroluminescence device can be provided by utilizing the novel aromatic compound.

The present invention relates to acylamino-substituted heteroaromatic compounds of formula I,

wherein R¹, R², R³, R⁴ and R⁵ and X are as defined herein, to pharmaceutical compositions comprising such compounds, to methods for the stimulation of the expression of endothelial NO synthase, and methods of treatment comprising administering such compounds.

A non-aqueous solvent secondary battery with a high initial charge/discharge capacity and excellent charge/discharge characteristics at high temperature, having a positive electrode containing a positive electrode active material capable of reversibly occluding and releasing lithium, a negative electrode containing a negative electrode active material capable of reversibly occluding and releasing lithium and a non-aqueous solvent electrolyte containing (1) acrylic acid anhydride, and (2) an aromatic compound having at least one electron donating group, wherein the electron donating group comprises at least one member selected from any of the alkyl group, alkoxy group, alkylamino group and amine, provided that each of the alkyl group, alkoxy group and alkylamino group includes a halogen substituted group and a cycloaliphatic group.

Linked aromatic compounds found to act as potent soot dispersants in lubricating oil compositions; lubricating oil compositions containing such soot dispersants and precursor compounds from which the soot dispersants are derived.

A silicone coating composition comprising (A) a silicone resin resulting from (co)hydrolytic condensation of an alkoxysilane or a partial hydrolytic condensate thereof, (B) an aromatic-free compound for curing the silicone resin, and (C) a solvent remains stable during shelf storage. It is applied and heat cured to a plastic substrate to form a protective coat having a high hardness, mar resistance, adhesion, toughness and crack resistance.

New uses for phenylketone carboxylate compounds and substituted aromatic compounds of Formula I, Formula I, IA, IB and IC, and their pharmaceutical acceptable salts are described for prevention or treatment of diabetes or a diabetes-related disorder in a subject in need thereof. Diabetes and diabetes-related disorder include Type I diabetes, Type II diabetes, maturity-onset diabetes of the young, latent autoimmune diabetes of adults (LADA), gestational diabetes, diabetic nephropathy, proteinuria, ketonuria, obesity, hyperglycemia, glucose intolerance, insulin resistance, hyperinsulinemia, hypercholesterolemia, hypertension, hyperlipoproteinemia, hyperlipidemia, hypertriglyceridemia, dyslipidemia, metabolic syndrome, syndrome X, diabetic neuropathy, diabetic retinopathy, hypoglycemia, cardiovascular disease, atherosclerosis, diabetic kidney disease, ketoacidosis, thrombotic disorders, sexual dysfunction, dermatopathy, edema, metabolic syndrome and renal disorders. The related pharmaceutical compositions and methods are also described. These compounds can be used in combination with comprising a therapeutic agent for lowering or controlling blood glucose level such as metformin or a thiazolidinedione.

An aromatic compound represented by a following general formula (1), wherein R¹ to R¹⁴ each independently represents any one selected from a group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 40 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 40 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 40 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 40 carbon atoms, a substituted or unsubstituted aryl group having 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 40 carbon atoms; at least one of R¹ to R⁹ represents a substituted or unsubstituted aryl group having 6 to 40 carbon atoms; and at least one of R¹⁰ or R¹⁴ represents a substituted or unsubstituted aryl group having 6 to 40 carbon atoms. A compound for obtaining an organic EL device having an enhanced efficiency of light emission and a prolonged half lifetime of brightness is provided.

The use of an aromatic compound substituted with at least one heterocyclic amine and possibly additional substituents, such as medetomidine and clonidine, or a functionally analogous derivative thereof, as an agent for the inhibition of marine biofouling on a surface, by application thereon of said compound, is disclosed. Also a method for inhibition of marine biofouling on a surface by application of said compound is disclosed.

An alkylating process for the production of at least one of 2-, 3-, 4-, 5-, and 6-phenylalkanes by alkylation of an aromatic compound with a feedstock containing at least one olefin comprising at least 9 carbon atoms per molecule, in the presence of a catalyst comprising at least one substrate based on at least a zeolite and a non-zeolitic silica-alumina matrix with a low content of macropores, whereby said matrix contains an amount of more than 5% by weight and less than or equal to 95% by weight of silica (SiO₂), whereby said process is carried out at a temperature of between 30 and 400° C., a pressure of between 0.1 and 10 MPa, an hourly volumetric flow rate of 0.50 to 200 h⁻¹, and an aromatic compound/olefin molar ratio of between 1:1 and 50:1.

A dehydration step is conducted by heating a mixture containing an organic amide solvent and a sulfur source including an alkali metal hydrosulfide, and a part of an overall charged amount of an alkali metal hydroxide as needed. The mixture remaining within the system after the dehydration step is mixed with a dihalo-aromatic compound, the resultant mixture is heated to conduct a polymerization reaction, and the alkali metal hydroxide is added to the mixture for polymerization reaction continuously or in portions to control the pH of the mixture for polymerization reaction within a range of from 7 to 12.5 from the beginning to the end of the polymerization reaction. The poly(arylene sulfide) according to the present invention has a nitrogen content of at most 800 ppm.

The selective saturation of unsaturated aliphatic hydrocarbons (e.g., diolefins) in a hydrogenation feed stream comprising an aromatic compound (e.g., benzene) and one or more nitrogen compounds renders is beneficial when the stream or a portion thereof is subsequently treated (e.g., with a zeolitic adsorbent) to remove nitrogen. In particular, the selective saturation of, for example, olefins and diolefins prolongs the life of the nitrogen guard bed. In a representative embodiment, the selective hydrogenation is applied to a recycle benzene-containing stream recovered in the separation section (e.g., from the benzene/toluene splitter overhead) of a styrene production process, prior to treatment with a nitrogen guard bed adsorbent.

This invention relates to a process for separating and isolating olefins from saturated hydrocarbons, and in particular, to a process for separating and isolating olefins from saturated hydrocarbons in a Fisher-Tropsch stream. There is provided a process for separating olefins from saturated hydrocarbons in a feedstock, comprising: contacting a feedstock comprising olefins and saturated hydrocarbons, such as paraffins, with a linear polyaromatic compound under conditions effective to form a reaction mixture comprising linear polyaromatic compound-olefin adducts and saturated hydrocarbons; separating the linear polyaromatic compound-olefin adducts from the saturated hydrocarbons in the reaction mixture to form a saturated hydrocarbon stream and an adducted olefin stream; dissociating the linear polyaromatic compound-olefin adducts to form linear polyaromatic compounds and an olefin composition; and optionally separating the linear polyaromatic compound formed in step c) from the olefin composition; whereby the olefin composition is enriched in the concentration of olefins over the concentration of olefins in the feedstock and the saturated hydrocarbon stream is enriched in saturated hydrocarbons over the concentration of saturated hydrocarbons in the feedstock.

A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof and (a)(ii) an organic nitrogen-containing base reacted with acidic group. The composition is obtained by a preparatory process and is useful in a method for lubricating an internal combustion engine to include where the lubricant has reduced levels of sulphur, phosphorus and sulphated ash.

The invention relates to a process for the production of at least one compound that is selected from among the 2-, 3-, 4-, 5-, and 6-phenylalkanes by alkylation of an aromatic compound by means of at least one olefin that comprises at least 9 carbon atoms per molecule, in the presence of a catalyst that comprises at least one non-zeolitic substrate with a silicated alumina base that contains an amount of more than 6% by weight and less than or equal to 50% by weight of silica (SiO2) and that exhibits particular characteristics, whereby said process is carried out at a temperature of between 30 and 400° C., a pressure of between 0.1 and 10 MPa, an hourly volumetric flow rate of 0.50 to 200 h−1, and an aromatic compound/olefin molar ratio of between 1:1 and 50:1.

An organic light emitting diode (OLED) device contains a cathode, a light emitting layer and an anode, in that order, and, has located between the cathode and the light emitting layer, a layer containing (a) more than 10 vol % of a carbocyclic fused ring aromatic compound and (b) a complex of a monovalent metal. The device provides reduced drive voltage and good luminance.

Oligomer compositions include conjugated oligomers having fused fluorene residues flanking an aromatic group. Synthetic methods include reacting fused fluorene residues with aromatic compounds.

One exemplary embodiment can be a process for converting a hydrocarbon stream. The process can include passing the hydrocarbon stream having one or more C40⁺ hydrocarbons to a slurry hydrocracking zone to obtain a distillate hydrocarbon stream having one or more C9-C22 hydrocarbons, and passing the distillate hydrocarbon stream to a hydrocracking zone for selectively hydrocracking aromatic compounds including at least two rings obtaining a processed distillate product.