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WO/2012/076532A1 |
The invention relates to a process for purifying an aryl group containing carbonate, such as a diaryl carbonate, such as diphenyl carbonate, by membrane separation, wherein a membrane having an average pore size of from 0 to 10 nm is use...
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WO/2012/059436A2 |
The invention relates to novel compounds of formula (I), in which R1, R2, R3, R4, R5, Y, Q and G are defined as indicated above, to several methods and intermediate products for the production thereof and use thereof as herbicides and/or...
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WO/2012/040503A9 |
A method and apparatus is provided for the electrochemical reduction of carbon dioxide to formate and formic acid. One embodiment features a three-compartment reactor which houses: a gas compartment; a catholyte compartment, which contai...
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WO/2012/013606A1 |
The invention relates to a method for producing a dialkyl carbonate, in which an alkanol is reacted with carbon monoxide and oxygen in the presence of a copper-containing catalyst which is supported on a solid phase substrate, wherein ac...
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WO/2011/105442A1 |
Disclosed is a method for continuously producing a diaryl carbonate with high productivity stably for a prolonged period of time. The method for producing a diaryl carbonate comprises a step (1) of obtaining an alkyl aryl carbonate, a st...
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WO/2011/105439A1 |
Disclosed is a method for producing an aryloxy titanium composition, which is extremely favorable as a catalyst for use in the production of a diaryl carbonate, and with which problems such as obstruction of storage tanks, pipes, pumps, ...
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WO/2011/090138A1 |
Disclosed is a process for producing a diaryl oxalate, which involves a step of carrying out the transesterification reaction of a dialkyl oxalate or/and an alkylaryl oxalate with an aryl alcohol in the presence of a tetra(aryloxy)titani...
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WO/2011/081119A1 |
Provided is a method for controlling the production of chloropropanols, such as 3-chloropropanediol and 3-chloropropanediol fatty acid esters, and chloropropanol-forming substances from glyceride oils and fats. The production of chloropr...
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WO/2011/073087A1 |
The invention relates to bimetallic complexes, wherein the ligand comprises a salophene unit complexing copper, manganese, or cobalt, and a phenanthroline unit complexing palladium, and both systems are linked by a conjugated system. The...
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WO/2011/068775A1 |
A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R1-O-C(O)-O-]x...
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WO/2011/068770A1 |
A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R1-O-C(O)-O-]x...
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WO/2011/067263A1 |
The invention relates to a process for preparing a diaryl carbonate from a dialkyl carbonate and an aryl alcohol comprising: (a) introducing dialkyl carbonate and aryl alcohol into a first reactive distillation column; (b) recovering fro...
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WO/2011/058168A1 |
The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: (a) reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture ...
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WO/2011/055204A1 |
A process for the production of high-purity dimethyl carbonate, comprising: - subjecting at least one commercial grade dimethyl carbonate, having a chlorine content higher than 1 ppm, to cooling, operating at a cooling temperature rangin...
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WO/2011/055732A1 |
Disclosed is a method wherein glyceride oil or fat after the bleaching and deodorizing step is brought into contact with an alkaline aqueous solution and then purified, thereby reducing chloropropanols such as 3-chloropropanediol or 3-ch...
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WO/2011/039113A1 |
The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: (a) reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture ...
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WO/2011/036281A1 |
A process for the manufacture of fluoroethylene carbonate, difluoroethylene carbonate, fluoromethyl methyl carbonate and difluorinated dimethyl carbonate from ethylene carbonate and dimethyl carbonate and F2 is described wherein the fluo...
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WO/2011/018448A1 |
The invention relates to a process for removing an alkanol impurity from a stream containing a dialkyl carbonate and the alkanol impurity, comprising contacting the stream with an aryl group containing ester and a catalyst to effect reac...
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WO/2011/013880A2 |
The present invention provides a method for preparing dialkyl carbonate from urea or alkyl carbamate and alkyl alcohol using an ionic liquid comprising a cation, which produces a hydrogen ion, and a hydrophobic anion containing fluorine ...
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WO/2011/014374A2 |
Processes for producing diaryl carbonates are disclosed, where such processes may provide for the production of diaryl carbonates from green house gases, such as carbon dioxide. The processes disclosed advantageously integrate diethyl ca...
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WO/2011/006822A1 |
Fluoroalkyl alkyl carbonates and fluorosubstituted carbamates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoro formates and the respective alcohol or amine. Methanol is the preferr...
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WO/2010/150888A1 |
A bischloroformate represented by (chemical formula 1), which has an average number of monomers (n) of 1.99 or less, is produced by mixing a dihydric phenolic compound represented by (chemical formula 2): HO-Ar-OH, a phosgene compound an...
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WO/2010/140572A1 |
Disclosed is a method for producing an aromatic carbonate compound which comprises reacting, in the presence of a catalyst, a compound represented by formula (1) with a compound having one phenolic hydroxyl group or a compound having two...
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WO/2010/136506A1 |
The present invention concerns 4-fluoro-4-R-5-R'-1,3-dioxolane-2-ones, wherein R is an alkyl group and R' is H or a C1 to C3 alkyl group, their manufacture, solvent mixtures for lithium ion batteries containing them and conductive salt s...
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WO/2010/112505A1 |
The invention relates to a method for producing solutions of radiation-sensitive, radically polymerizable organic compounds, wherein a first starting compound that has an acid halide group and a second starting compound that has an alcoh...
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WO/2010/097585A1 |
A method of making an organic carbonate compound or sulphur analogue thereof is provided, the method comprising reacting urea (or a urea derivative or analogue) with an organic compound comprising at least one group selected from hydroxy...
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WO/2010/095746A1 |
Compounds represented by general formula (1) [wherein R0 is a (n+1)-valent linear or branched C1-10 aliphatic hydrocarbon group, or the like; R1 is a hydrogen atom, a methyl group, or a trifluoromethyl group; R2 is a single bond or the l...
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WO/2010/087599A2 |
Provided is a method for preparing an aromatic carbonate compound with a high yield and selectivity over a broader range of reaction temperatures by reacting an aromatic hydroxyl compound with a dialiphatic carbonate and/or aliphatic-aro...
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WO/2010/074256A1 |
Disclosed is a process for industrially advantageously producing a symmetric dialkyl carbonate and an asymmetric dialkyl carbonate simultaneously by a transesterification reaction of an alkylene carbonate with two or more alcohols. Also...
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WO/2010/069893A1 |
The invention provides a container containing a fluorinated organic carbonate and a gas atmosphere which contains cover gas selected from the group consisting of a noble gas, e.g., argon, xenon, a gaseous fluorinated aliphatic carbon whi...
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WO/2010/063780A1 |
The invention relates to a process for the preparation of a dialkyl carbonate and an alkanediol comprising: (a) reacting an alkylene carbonate and an alkanol in the presence of a homogeneous transesterification catalyst to obtain a mixtu...
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WO/2010/063694A1 |
The invention relates to a process for removing an alkanol impurity from a stream containing an organic carbonate and the alkanol impurity, comprising contacting the stream with an extraction solvent and separating the extraction solvent...
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WO/2010/059318A2 |
A method for forming a monomeric carbonate includes the step of combining a monofunctional alcohol or a difunctional diol with an ester-substituted diaryl carbonate to form a reaction mixture. Similarly, a method for forming a monomeric ...
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WO/2010/046320A1 |
The invention relates to a process for removing an alkanol impurity from a stream containing an organic carbonate and the alkanol impurity, comprising contacting the stream with a catalyst to effect reaction of the alkanol impurity with ...
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WO/2010/037477A1 |
The invention relates to a method for producing diphenylcarbonate while using a catalyst composition comprising ionic fluids.
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WO/2010/024438A1 |
A novel method which is capable of producing an asymmetric chain carbonate by a single-step reaction. Methyl nitrite, carbon monoxide, and 0.05-1.5 moles of an aliphatic alcohol having 2-6 carbon atoms or alicyclic alcohol having 5-6 car...
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WO/2010/016297A1 |
Disclosed is a process comprising reacting at least one alkyl tin compound selected from a dialkyl tin compound having one tin atom, two Sn-R1 bonds [wherein R1 represents an alkyl group] and two Sn-OX bonds (wherein the group OX represe...
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WO/2010/012199A1 |
In one aspect, disclosed is a mixture comprising dimethyl carbonate, in which, at least 2/3 carbon atom of said dimethyl carbonate is coming from the carbon dioxide generated as a byproduct in at least one industry process. In another as...
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WO/2010/008886A2 |
Gabapentin prodrugs and intermediates thereof are described.
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WO/2010/001870A1 |
A process is provided by which diphenyl carbonate can be produced in high yield by a simple procedure without the need of using any toxic compound, e.g., phosgene. The process for diphenyl carbonate production is characterized by subjec...
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WO/2009/143785A2 |
A process for producing a carbonate of a monohydric alcohol, which comprises transesterification of an alkylene carbonate. Preferably, in the first step, alkylene carbonates, particularly ethylene carbonate, are preapred via reaction of ...
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WO/2009/135851A1 |
The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: (a) reacting an alkylene carbonate and an alkanol at a temperature of from 10 to 200 °C, at a pressure of from 5x104 to 5x106 N/...
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WO/2009/118369A1 |
Mixtures comprising organic carbonates (carbonates not substituted by fluorine, but especially fluorosubstituted organic carbonates) depleted in HF can be obtained from respective mixtures with a higher HF content by a step of stripping ...
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WO/2009/118368A1 |
The content of hydrogen fluorides in fluorosubstituted organic carbonates can be reduced by contact with SiO2 containing agents, especially silica gel. The process is especially suitable to reduce the hydrogen fluoride content in fluoroe...
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WO/2009/102556A2 |
Processes for the alcoholysis, inclusive of transesterification and/or disproportionation, of reactants are disclosed. The alcoholysis process may include feeding reactants and a trace amount of soluble organometallic compound to a react...
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WO/2009/102069A1 |
Disclosed is a simple and industrially suitable manufacturing method that can efficiently manufacture an asymmetrical carbonate compound from a symmetrical carbonate compound and an ester compound. The asymmetrical carbonate compound man...
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WO/2009/093093A1 |
Production process of liquid diethyl carbonate complex (DEC C2H5OCOOC2H5) by means of reactor of catalytic synthesis in heterogeneous phase fed by ethyl ether (C2H5OC2H5) (liquid) and carbon dioxide CO2 (gas). The compound synthesis occu...
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WO/2009/071211A1 |
The invention relates to a process for the preparation of diaryl carbonate combined with the electrolysis of the resulting process wastewater containing alkali metal chloride. The process according to the invention permits, inter alia, i...
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WO/2009/071651A1 |
The invention provides a process and a reactor for the preparation of an alkylene glycol from an alkylene oxide. Alkylene oxide, water, a homogeneous carboxylation catalyst and a homogenous hydrolysis catalyst are supplied to a reactor c...
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WO/2009/072502A1 |
Disclosed is a method by which various fluorine-containing carbonate compounds can be freely produced with high yield without using phosgene and without by-producing hydrogen chloride. Specifically disclosed is a method wherein a fluorin...
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