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7628938 |
Photochromic compound and optical functional material
The present invention provides a photochromic compound that is colored when irradiated with visible light and quickly faded when set in a dark place. The photochromic compound according to the...
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7608181 |
Distillate fuel blends from Fischer Tropsch products with improved seal swell properties
The invention provides distillate fuel blend components with improved seal swell and lubricity properties obtained from Fischer Tropsch products. The blends contain a highly paraffinic distillate...
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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...
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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...
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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 R N ,...
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7358408 |
Photoactive compounds
The present invention relates to a novel photoactive compounds that can be used in formulating photoresist compositions.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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,...
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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: where each of R 1 , R 2 , R 3 ,...
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6376728 |
Method, composition and mixture for inhibiting monomer polymerization
Method of inhibiting polymerization of alkenyl monomers comprising contacting the alkenyl monomers with: wherein R 1 and R 2 independently of one another are alkyl, phenyl, aryl, alkoxy, or...
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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 C 14 to C 40 normal alpha olefin and wherein either (1) the...
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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....
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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...
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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...
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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...
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6180844 |
Composition containing fluorescence-generating substrate
A fluorescent dye-forming composition is provided that contains a fluorescence-generating substrate of formula (I): ##STR1## where R 1 and R 2 are each independently a hydrogen atom, or an...
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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...
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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...
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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...
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6071864 |
Methods for preparation of arylated poly.varies.olefins
Novel methods for the preparation of modified poly α-olefins, and compositions prepared by the novel methods are disclosed. The modified poly alpha-olefins of the present invention are useful as...
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5942648 |
Naphthalene derivatives
Naphthalene derivatives of the fomula I ##STR1## in which: R 1 is an alkyl or alkenyl radical which is unsubstituted, monosubstituted by CH or CF 3 or monosubstituted by halogen and has 1 to 15...
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5939595 |
Preparation of diarylethanes
A process for preparing diarylethanes of the general formula I ##STR1## where R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each hydrogen or C 1 -C 8 -alkyl, by reacting aromatic compounds of the...
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5910232 |
Method for inhibiting polymer formation in styrene processing
Inhibition performance is improved in styrene processing through the addition of a stable nitroxide free radical compound to the styrene feed and to the reflux of at least one column.
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5886241 |
Methods and compositions for inhibiting the polymerization of ethylenically unsaturated monomers
The polymerization of an ethylenically unsaturated monomer such as isoprene, butadiene and acrylonitrile is inhibited during storage or handling thereof by the addition of a dihydroxycinnamic acid...
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5877362 |
Method for producing diphenylmethane
A method for producing diphenylmethane from 1,1-diphenylethane with a high yield and selectivity, wherein the 1,1-diphenylethane is reacted with hydrogen and/or water.
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5851272 |
Non-oil organic spray wax compositions
Automobile spray wax compositions incorporating an aromatic compound having at least one of two linear C 8 -C 20 alkyl substituents, and a preferred embodiment thereof including a compound...
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5760233 |
Propanal derivatives
A compound selected from the group consisting of a compound of the formula ##STR1## wherein R 1 and R 2 are individually selected from the group consisting of hydrogen and an optionally...
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5756870 |
Methods for inhibiting the polymerization of ethylenically unsaturated monomers
The polymerization of an ethylenically unsaturated monomer such as isoprene and butadiene is inhibited during storage or handling thereof by the addition of a dihydroxycinnamic acid or derivative...
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5728908 |
Process for preparing a bridged ligand and said bridged ligand
A process for preparing a bridged ligand, where said bridged ligand has an alkynyl group, and said bridged ligand is provided. Said process comprises reacting an alkynyl fulvene containing compound...
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5599522 |
Triarylmethyl radicals and the use of inert carbon free radicals in MRI
A radical compound of formula Ia .C(Ar 12 ) 3 (Ia) wherein: each Ar 12 , which may be the same or different, represents a 6-membered carbocyclic, at...
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5476977 |
Naphthalenic compound and process for its preparation
1,1,2,3,4,4,6-Heptamethyl-1,2,3,4-tetrahydronaphthalene, a novel naphthalenic compound, is useful as an intermediate for the preparation of...
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5457249 |
Process for isomerizing endo-form of aromatic group-containing norbornenes to exo-form thereof, isomer mixture of aromatic group-containing norbornenes and process for preparing same, and ethylene/aromatic group-containing norborne copolymer and process
A process for isomerization of an endo-form of aromatic group-containing norbornenes represented by the following formula (I) to an exo-form which comprises bringing the endo-form into contact with...
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5397491 |
Use of substituted diphenyls as heat transfer fluids
Heat is transferred in a thermodynamic system with a heat transfer medium which is at least one fluid of formula I and/or II, ##STR1## wherein R 1 is ethyl or hydrogen, R 2 is ethyl, R 3 is...
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5393776 |
Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia
This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for...
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5354929 |
Bisbenzocyclobutene compounds with hydrophobic substituents, a method for making same
The invention is a bis-BCB compound of the structure: ##STR1## a method for making same and polymers made therefrom. The novel compounds of this invention are useful in preparing polymers that can...
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5324875 |
Aromatic compounds, a process for preparation thereof and use of same as perfuming ingredients
Compound of formula ##STR1## wherein a) indexes m and n are identical and stand each for an integer number equal to zero, symbols R 1 and R 2 are identical and represent each a hydrogen atom, or...
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5276228 |
Liquid bisarylcyclobutene monomers and polymers
This invention is directed to a class of arylcyclobutene monomers having the general formula: ##STR1## wherein Ar is aromatic, with the proviso that the carbons of the cyclobutene rings are bonded...
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5254274 |
Alkylaromatic lubricant fluids
Aromatic compounds are alkylated with C 20 -C 1300 olefinic oligomers using an acidic alkylation catalyst to produce alkylated aromatic products, usually alkylaromatic hydrocarbons. The olefinic...
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5231209 |
Method of inhibiting lung tumors, arylalkyl isothiocyanates, and method of synthesizing same
A method of inhibiting lung tumor multiplicity and/or incidence by treating mammals with relatively long chain arylalkyl isothiocyanates, especially effective with respect to tumors induced by...
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5134761 |
Electrical insulating oil composition and capacitors prepared therewith
A new electrical insulating oil composition having improved low temperature characteristics which composition comprises a mixture of 40% by weight or more of benzyltoluene and the remainder of...
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5132477 |
Process for producing alkylaromatic lubricant fluids
The thermal and oxidative stability of HVI-PAO olefin oligomers is improved by reaction of the oligomerization mixture containing the olefin oligomer, dimer and isomerized but unoligomerized olefin...
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5124464 |
Method of preparing metallocene compounds
This invention describes a novel method of preparing metallocene compounds. The invention is based on synthesis of novel bis cyclopentadienides that, under appropriate conditions, will either...
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5113029 |
Electric insulating oil composition
A new electrical insulating oil composition having improved low temperature characteristics which composition comprises a mixture of 40% by weight or more of benzyltoluene and the remainder of...
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