Class 585/24 - Aromatic

Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter having at least one carbocyclic ring, usually
No. of patents: 112
Last issue date: 05/22/2012

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Number	Title	Issue Date
8183420	Preparation of alkylaromatic hydrocarbons and alkylaryl sulfonates An alkylaromatic hydrocarbon composition prepared by the process which comprises oligomerizing an olefin selected from the group consisting of propylene, n-butene and mixtures thereof over an oligomerization catalyst, to form a oligomerization product comprising at ...	05/22/2012
7880041	Process for converting gaseous alkanes to liquid hydrocarbons A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over ...	02/01/2011
7795483	Phenyl-alkane compositions produced using an adsorptive separation section The present invention is a process for producing phenyl-alkanes by paraffin adsorptive separation followed by paraffin dehydrogenation and then by alkylation of a phenyl compound by a lightly branched olefin. The adsorptive separation step employs a silicalite adsor...	09/14/2010
7754930	Use of isotopic analysis for determination of aromatic hydrocarbons produced from methane Benzene and xylene are described having a unique distribution of deuterium and 13C such that δ(deuterium) for each of the benzene and xylene is less than −250 and δ(13C) for the benzene is greater than −36 and for xylene is less than −2...	07/13/2010
7563938	Alkylated aromatic compositions, zeolite catalyst compositions and processes for making the same The present invention is directed to novel alkylated aromatic compositions, zeolite catalyst compositions and processes for making the same. The catalyst compositions comprise zeolite Y and mordenite zeolite having a controlled macropore structure. The present inven...	07/21/2009
7563937	Zeolite Y alkylation catalysts The present invention is directed to a zeolite Y catalyst having a controlled macropore structure. The present invention is also directed to a zeolite Y catalyst composite and a process for preparing the catalyst composite. The catalyst composite exhibits reduced de...	07/21/2009
7402646	Polymerization of diisopropenylbenzene Processes for preparing substantially linear polymers from diisopropenylbenzenes are provided. The polymers are useful in making a variety of products, including coatings, pigment dispersing agents, and stabilizers. ...	07/22/2008
7388118	Amine 1,2- and 1,3-diol compounds Disclosed are compounds of formula: and pharmaceutically acceptable salts and esters thereof, useful in treating and/or preventing Alzheimer's disease and other similar diseases, wherein RN, RC, R...	06/17/2008
7358408	Photoactive compounds The present invention relates to a novel photoactive compounds that can be used in formulating photoresist compositions. ...	04/15/2008
7335802	Methods of preparing branched aliphatic alcohols Systems and methods to produced branched aliphatic alcohols are described. Systems may include a dehydrogenation-isomerization unit, an olefin dimerization unit, an olefin isomerization unit, a hydroformylation unit, a dehydrogenation unit, a hydrogenation unit and/...	02/26/2008
7309681	Ashless lubricating oil composition with long life An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosph...	12/18/2007
7214677	Benzamide, heteroarylamide and reverse amides The present invention relates to novel to P2X7 inhibitors of formula I and to processes for their preparation, intermediates useful in their preparation, pharmaceutical compositions containing them, an...	05/08/2007
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
6927219	N-alkyl-adamantyl triazinyl benzamide derivatives The present invention relates to novel to N-alkyl adamantyl triazinyl benzylamide derivatives of formmula I: and to processs for their preparation, intermediates useful in their preparation, pharmaceutical compositions...	08/09/2005
6905638	Vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a ...	06/14/2005
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
6838585	Palladium-catalyzed cross-coupling of aryldiazonium salts with arylsilanes A palladium catalyzed cross-coupling of aryldiazonium salts with organosilanes is disclosed. New reactions that are user friendly and environmentally friendly are now possible, including some reactions that could not be achieved using prior methods. The organosilane...	01/04/2005
6797193	Heat transfer fluid comprising mixture of phenylcyclohexane and bicyclohexane Process for manufacturing temperature-sensitive polymers utilizing a heat transfer fluid comprising a hydrocarbon fluid selected from aliphatic hydrocarbons, alicyclic hydrocarbons, aliphatic- or alicyclic-substituted aromatic hydrocarbons, or mixtures thereof, the ...	09/28/2004
6608205	Organic crystalline films for optical applications and related methods of fabrication The present invention provides organic single crystal films of less than 20 μm, and devices and methods of making such films. The crystal films are useful in electro-optical applications and can be provided as part of an electro-optical device which prov...	08/19/2003
6531107	Fabrication of molecular nanosystems The invention relates to structural subunits called "synthons" which are suitable for use in the design and manufacture of molecular nanostructures, machines, and devices. The synthon comprises polyhedra units and other species which exhibit rigid structu...	03/11/2003
6500363	Classes of high linear and nonlinear response compounds A class of molecules suitable for linear and nonlinear optical applications which include charged aromatic groups which function as electronic donors and acceptors connected through polyhedral and π-organic and inorganic groups. The polyhedral and π-org...	12/31/2002
6491809	Synthetic oil with a high viscosity number and a low pour point Synthetic oil that contains wholly or partly of dialkylbenzenes and/or partially or totally hydrogenated dialkylbenzenes. The synthetic oil according to the invention can also be used as an oil base or oil base additive and comprises at least one dialkylb...	12/10/2002
6476282	SUPERALKALINIZED ISOMERIZED LINEAR ALKYLARYL SULFONATES OF ALKALINE EARTH METALS, USEFUL AS DETERGENT/DISPERSANT ADDITIVES FOR LUBRICATING OILS, AND PROCESSES FOR THEIR PREPARATION AND INTERMEDIATE ALKYLARYL HYDROCARBON A superalkalinized alkylaryl sulfonate of alkaline earth metal is disclosed. The aryl radical is either a tolyl, xylyl, o xylyl, ethyl phenyl, or cumenyl radical. The alkyl chain is a linear chain that contains between 14 and 40 carbon atoms, and the aryl...	11/05/2002
6448458	Arylalkane compositions produced by isomerization, dehydrogenation, and alkylation The present invention is a process for producing aryl-alkanes by paraffin isomerization followed by paraffin dehydrogenation and then by alkylation of an aryl compound by a lightly branched olefin. The effluent of the alkylation zone comprises paraffins t...	09/10/2002
6414173	Hypervalent silane and siloxane derivatives and the use thereof Hypervalent silane and siloxane reagents (preformed or generated in situ) for transmetalation in palladium catalyzed reactions with derivatives of allylic alcohols, aryl halides, electron-withdrawing aryl bromides, and aryl triflates derived from phenols ...	07/02/2002
6410810	Handling method of (fluoroaryl) borane compound and preparing method of hydrocarbon solution A mixture of bis- and tris(fluoroaryl)borane compounds expressed by General Formula (1) below is handled in the form of a slurry made with a hydrocarbon solvent: ##STR1## where each of R1, R2, R3, R4 and R5...	06/25/2002
6376728	Method, composition and mixture for inhibiting monomer polymerization Method of inhibiting polymerization of alkenyl monomers comprising contacting the alkenyl monomers with: ##STR1## wherein R1 and R2 independently of one another are alkyl, phenyl, aryl, alkoxy, or carboxy groups; and oxygen. Mixture ...	04/23/2002
6337310	Alkylbenzene from preisomerized NAO usable in LOB and HOB sulfonate An alkylaryl composition wherein the aryl radical is other than phenol and wherein the alkyl radical is derived from an isomerized C14 to C40 normal alpha olefin and wherein either (1) the weight percent of the aryl radical fixed at ...	01/08/2002
6323174	Diene compound and process for producing the same The invention provides a chain diene compound with desirable regioselectivity, in the presence of a specific ruthenium compound. This chain diene compound is a promising raw material for terpene. It has a structure represented by the general formula (I): ...	11/27/2001
6313302	Pyrrolidinyl and pyrrolinyl ethylamine compounds as kappa agonists A compound of the following formula: ##STR1## and the salts thereof, wherein A is hydrogen, halo, or hydroxy; the broken line represents an optional double bond with proviso that if the broken line is a double bond, then A is absent; Ar1 is opt...	11/06/2001
6284936	Styrene monomer polymerization inhibition using substituted dihydroxyarenes and nitroxides It has been discovered that the polymerization of vinyl aromatic compounds, such as styrene, may be inhibited by the addition of a composition that contains an alkyl-dihydroxyarene, a hydrogen transfer agent, and a stable nitroxide. In another, preferred ...	09/04/2001
6180699	Blend for preventing or retarding the formation of gas hydrates A composition is provided herein for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate, during the transport of a fluid comprising water and a hydrocarbon, through a conduit. The composition ...	01/30/2001
6180844	Composition containing fluorescence-generating substrate A fluorescent dye-forming composition is provided that contains a fluorescence-generating substrate of formula (I): ##STR1## where R1 and R2 are each independently a hydrogen atom, or an electron-donating group selected from a lower ...	01/30/2001
6166237	Removal of dissolved silicates from alcohol-silicon direct synthesis solvents Dissolved silanes, silicones and silicates from solvents used in the slurry phase Direct Synthesis of alkoxysilanes are removed by adding a compatabilizing agent and water to generate filterable precipitates and reusable solvent. The solvents are thereby ...	12/26/2000
6126862	Low dust balanced hardness antioxidant agglomerates and process for the production of same The present invention is directed to a process for the production of agglomerates of a blend of a sterically hindered phenol antioxidant and an acid neutralizer such that the agglomerates have a balanced hardness to resist abrasion during conveyance yet b...	10/03/2000
6103676	Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified and post treated. The dispersant substances include a copolymer of tw...	08/15/2000
6096704	Pro-fragrance compound The present invention is directed to a pro-fragrance compound selected from the group consisting of an acetal, a ketal, and mixtures thereof, wherein at least one of a parent aldehyde, ketone, or alcohol of the pro-fragrance acetal or ketal is a fragrance...	08/01/2000
6090965	Removal of dissolved silicates from alcohol-silicon direct synthesis solvents Dissolved silanes, silicones and silicates from solvents used in the slurry phase Direct Synthesis of alkoxysilanes are removed by adding a carboxylic acid such as formic acid to generate filterable precipitates and reusable solvent. The solvents are ther...	07/18/2000
6086782	Heat transfer fluid compositions for low temperature applications Heat transfer fluid compositions comprising (a) a terpene component, comprising at least one terpene; and (b) an alkylbenzene component, comprising at least one alkylbenzene; wherein the components are provided in an effective amount such that the 5result...	07/11/2000

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Class 585/24 - Aromatic