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JP4368376B2 |
A process for cleaving an oxidation product comprising s-butyl benzene hydroperoxide and/or cumene hydroperoxide which reduces the production of non-recoverable by-products from dimethylbenzyl alcohol (DMBA) and ethyl methyl benzyl carbi...
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JP2009262142A |
To provide a plate-type reactor that enables uniform and easy catalyst loading in gaps between adjacent heat-transfer plates.The plate-type reactor includes a plurality of parallel heat-transfer plates 3 in a casing 1 and a plurality of ...
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JP2009262137A |
To provide a novel method of manufacturing a reaction product which includes supplying reaction raw materials to a catalyst-packed plate type reactor and allowing the raw materials to react, prevents occurrence of hot spots and improves ...
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JP4360067B2 |
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JP4346822B2 |
A mixed metal oxide catalytic system consisting of molybdenum, vanadium, palladium, lanthanum, niobium and X, wherein X is copper and/or chromium, providing higher yields of acrylic acid and acrolein in the low temperature oxidation of p...
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JP2009536575A |
Catalytic compositions for conversion of substituted aromatic feed materials to oxidized products comprising aromatic carboxylic acid derivatives of the substituted aromatic feed materials comprise a combination comprising a palladium co...
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JP2009235070A |
To provide a new method for producing a fluoroethercarboxylic acid ester usable suitably as a surfactant and useful as a raw material for the corresponding fluoroethercarboxylic acid of low bioaccumulativeness.The method for producing a ...
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JP2009227653A |
To provide a method which can oxidize a cycloalkane with a good conversion to produce a cycloalkanol and/or a cycloalkanone with a good selectivity.The method for producing the cycloalkanol and/or the cycloalkanone comprises oxidizing a ...
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JP2009535206A |
The invention relates to a process for the preparation of a titanium catalyst which process comprises: (a) drying a silica carrier at a temperature of from 300 to 800° C. to obtain a dried carrier; (b) contacting the dried carrier obtai...
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JP4334797B2 |
To provide a fixed bed multitubular reactor and its usage, which reactor enables the production of a target product stably for a long period when solid particulates such as catalyst are packed and are used in the production of substances...
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JP4337347B2 |
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JP4323395B2 |
To provide a method for obtaining an aromatic dihydroxy compound which is of a high purity and useful as a raw material for use in the manufacture of a polycarbonate by treating at a low cost, in a very short time for the decomposition a...
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JP4319406B2 |
The present invention claims a process and an apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides. Usually, in the work-up by distillation of cleavage product mixtur...
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JP4317211B2 |
The present invention relates to a catalyst for partial oxidation and a preparation method thereof, more particularly to a preparation method of a complex metal oxide catalyst that shows high activity for conversion of propylene or isobu...
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JP4318367B2 |
A process comprising producing acrolein and acrylic acid by vapor phase catalytic oxidation of propylene with molecular oxygen or molecular oxygen-containing gas using a catalyst filled fixed bed shell-and-tube reactor, which process is ...
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JP4309973B2 |
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JP2009527527A |
The invention provides a process for the preparation of alkanediol comprising the steps: (i) contacting alkylene oxide with carbon dioxide in the presence of a carbonation catalyst to obtain a reaction mixture containing alkylene carbona...
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JP2009527531A |
A process for the preparation of an alkanediol and a dialkyl carbonate is provided, which process comprises: (a) contacting an alkylene carbonate with an alkanol feedstock under transesterification conditions in a reactive distillation c...
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JP4303453B2 |
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JP2009526789A |
A process for producing phenol and methyl ethyl ketone comprises contacting benzene and a C4 alkylating agent under alkylation conditions and in the presence of an alkylation catalyst comprising at least one molecular sieve of the MCM-22...
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JP2009526790A |
A process for producing sec-butylbenzene comprises contacting a feed comprising benzene and a C4 alkylating agent under alkylation conditions comprising a temperature of about 110° C. to about 150° C. with a catalyst comprising at leas...
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JP4299129B2 |
Joint production of formic acid with a \- 2C carboxylic acid (or derivative) involves transesterifying a formic ester (I) with a \- 2C carboxylic acid (II) to give formic acid (III) and the corresponding carboxylic acid ester (IV), and c...
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JP2009155476A |
To provide a method for producing a fatty acid alkyl ester and/or glycerin by which stable continuous operation for a long time can be attained.The method for producing the fatty acid alkyl ester and/or glycerin by bringing fats and alco...
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JP2009155475A |
To provide a method for producing a fatty acid alkyl ester and/or glycerol which can be used for inhibiting the lowering of the activity of a solid catalyst used in the transesterification of fats and oils with an alcohol.The method for ...
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JP4297112B2 |
The present invention relates to a process for decomposing a polymer into a monomer or oligomer by hydrolysis with sub- or supercritical water. The process of the present invention is characterized in that at least a part of the polymer ...
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JP2009524625A |
A heat integration system for removing heat of reaction from an EC-1 Reactor and generating Chilled liquid for use by one or more Consumer Units, in a catalytic process for producing EC from EO for conversion into MEG wherein the system ...
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JP4287266B2 |
A vapor-phase carbonylation method for producing esters and carboxylic acids from reactants comprising lower alkyl alcohols, lower alkyl alcohol generating compositions and mixtures thereof. The method includes contacting the reactants a...
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JP2009136807A |
To provide a novel dinuclear metal complex in the reaction process accompanying the oxidation of a substrate (oxygenation as a typical reaction), a high performance oxidation catalyst comprising the metal complex as an active constituent...
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JP2009523716A |
The present invention relates to a method of producing pure or enriched bisabolol by separating substance mixtures comprising bisabolol and farnesol by selective esterification of farnesol and subsequent distillative separation. The inve...
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JP2009137891A |
To provide an excellent method for producing dihydroxyacetone or glycolic acid by which the dihydroxyacetone or the glycolic acid can be efficiently and selectively obtained by oxidizing glycerol at a low cost without using a metal catal...
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JP4282829B2 |
A method of obtaining carboxylic acid and alcohol from a carboxylic acid ester by a simple process and without the use of an entrainer is provided, wherein a liquid, which contains a carboxylic acid ester and in which at least a part of ...
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JP2009523126A |
This invention is a process for oxidizing an organic compound with a hydrogen peroxide solution produced by reacting hydrogen and oxygen in the presence of an oxidation catalyst. The hydrogen peroxide is produced by reacting hydrogen and...
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JP4279038B2 |
To provide a filling method of solid catalyst by which degradation and collapse of the catalyst are reduced when filling reaction tubes of a fixed bed tubular reactor with the solid catalyst, and an objective reaction product can highly ...
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JP2009521514A |
The present invention relates to a process for producing phenol and a ketone of general formula R1COCH2R2 (I), in which R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms, said process comprising: (a) p...
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JP2009120766A |
To establish a method for efficiently recovering dimethyl terephthalate and ethylene glycol usable as raw materials of a polyethylene terephthalate and containing no nitrogen component from a polyethylene terephthalate molded article hav...
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JP2009120526A |
To provide a method for combinedly producing both high-quality n-propyl acetate and allyl acetate in the process for producing allyl alcohol using propylene, oxygen and acetic acid as raw materials.A method for producing n-propyl acetate...
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JP4273181B2 |
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JP2009107949A |
To provide a method for producing an allyl alcohol compound, by which the allyl alcohol compound can efficiently be produced from an allyl halide compound, without an injurious heavy metal compound.This method for producing the allyl alc...
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JP4265621B2 |
A method for preparing an unsaturated aldehyde and an unsaturated carboxylic acid is provided to inhibit the excessive heat generation at hot spot, thereby reducing the temperature at hot spot effectively and increasing the yield of acro...
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JP4262995B2 |
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JP2009517472A |
A dihydroxy aromatic compound of Formula (I) (I) wherein R1 is an aromatic divalent functionality having 6 to 60 carbons, R2 can be the same or different at each occurrence and is independently at each occurrence selected from the group ...
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JP4255554B2 |
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JP4255296B2 |
A fluorine-containing cyclic ester is represented by the formula 1: wherein each R1 independently represents -H or -F, wherein R2 is one selected from the group consisting of -H, -F, -CF3, -OH, -COOH and -COOR4, where R4 is an alkyl grou...
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JP4246779B2 |
It is an object of the present invention to provide a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton / hr and not less than 1.3 ton / hr respectively with high se...
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JP4242597B2 |
The present invention provides: a production process for a catalyst for synthesis of an unsaturated aldehyde and/or an unsaturated carboxylic acid, which production process is suitable for producing the catalyst with good reproducibility...
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JP4244187B2 |
The invention relates to novel ligands of the phosphanylbenzothiophenyl-dihydroisoxazoline, phosphanyl-dihydrooxazolyl-indole and phosphanyl-dihydrooxazolyl-benzofuran type, especially compounds of formula I and mixtures of such compound...
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JP4235773B2 |
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JP4236276B2 |
It is an object of the present invention to provide a specific process that enables dialkyl carbonates and diols to be produced on an industrial scale of not less than 2 ton / hr and not less than 1.3 ton / hr respectively with high sele...
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JP4236207B2 |
It is an object of the present invention to provide a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton / hr and not less than 1.3 ton / hr respectively with high se...
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JP4236275B2 |
It is an object of the present invention to provide a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton / hr and not less than 1.3 ton / hr respectively with high se...
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