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WO/2015/099053A1 |
[Problem] To provide a method for performing regeneration from picolinamide or benzamide to cyanopyridine or benzonitrile without using strong reagents and while also limiting generation of by-products. [Solution] To solve said problem, ...
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WO/2015/087341A1 |
The present invention relates to an improved process for the preparation of dimethyl carbonate and methyl-N-methyl carbamate starting from methanol and methyl carbamate catalyzed by ionic liquid catalyst in batch or continuous reactor.
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WO/2015/069854A1 |
The present invention provide novel compounds and electrolyte solutions which can be used in capacitors and lithium batteries and which have a liquidus range of from about -65 to about 171 degrees C.
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WO/2015/046167A1 |
An alkyl tin compound having an alkyl group bound to a tin atom, wherein the alkyl group is a branched alkyl group or an alkyl group substituted by a cyclic group, the branched alkyl group is branched at at least one carbon atom among th...
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WO/2015/031724A1 |
Disclosed herein are new mixed metal oxide catalysts suitable as heterogeneous catalysts for catalyzing the transesterification process of aromatic alcohols with a dialkyl carbonate to form aromatic carbonates. The heterogeneous catalyst...
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WO/2015/004233A1 |
The present invention relates in a first aspect to a method for producing in the interior of a production equipment a dehydrated liquid mixture for use as a solvent for a conducting salt (e.g. LiPF6) wherein after cleaning the equipment ...
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WO/2015/004230A1 |
Method for producing a dehydrated liquid mixture comprising water in an amount of less than 20 ppm, for use as a solvent for a conducting salt, comprising or consisting of the following steps: - providing or preparing a liquid starting m...
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WO/2015/004195A1 |
Fluorinated carbonates comprising double-bond containing groups were prepared and their use as solvent additives or solvents in lithium ion batteries, lithium air batteries, lithium sulphur batteries and supercapacitors is described. Pre...
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WO/2015/004236A1 |
The present invention relates to a method for producing a dehydrated liquid mixture for use as a solvent for conducting salts (e.g. LiPF6) wherein the water content is reduced, starting from a liquid starting mixture comprising one, two,...
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WO/2014/191090A1 |
The present invention relates to a mixture containing tertiary isononanoic acids, starting from 2-ethylhexanol, to the production thereof by dehydration of 2-ethylhexanol to give an octene mixture and subsequent hydroxycarboxylation with...
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WO/2014/189879A1 |
This invention provides a method for producing an alkylaryl carbonate comprising: a) contacting a stream comprising an aromatic hydroxy compound and a stream comprising a dialkylcarbonate in the presence of a transesterification catalyst...
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WO/2014/095080A9 |
Process for the purification of carboxylic acid having a chain length from one to five carbon atoms comprising the steps of transforming the carbocylic acid to its monoester and/or its diester, and processing the mono- and/or the diester...
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WO/2014/141107A2 |
A process for purifying a diaryl carbonate, comprises introducing an aqueous stream to a diaryl carbonate stream that comprises a metal contaminant, wherein the aqueous stream reacts with the metal contaminant to form a precipitate; wher...
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WO/2014/079835A9 |
The present invention relates to a continuous process for producing lower dialkyl carbonates as a main product and alkylene glycol as a by-product by transesterification of a cyclic alkylene carbonate (e.g. ethylene or propylene carbonat...
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WO/2014/102495A1 |
The invention relates to a method for the synthesis of α/α'-alcoxylated glycerol linear carbonic esters, wherein the following are brought into contact at a reaction temperature lower than 220°C: a quantity of at least one precursor s...
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WO/2014/099550A1 |
The disclosure provides a method for recovering a dihydroxy aromatic compound and a dialkyl carbonate from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant. The method comprise...
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WO/2014/095776A1 |
The present application relates to a method for the continuous production of diaryl carbonate from phosgene and of at least one monohydroxy compound (monophenol) in the presence of catalysts, and to the use thereof for the production of ...
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WO/2014/088029A1 |
The present invention relates to a production method, which enables the production of various polycarbonate compounds with high yield and with desired selectivity without requiring the use of a toxic compound such as phosgene and crown e...
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WO/2014/087972A1 |
A reduced coenzyme Q10 derivative represented by formula (1). (R1 and R2 each independently represent H or an alkoxycarbonyl group represented by formula (2), and at least one of them is an alkoxycarbonyl group represented by formula (2)...
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WO/2014/072802A2 |
An improved process for synthesis of dimethyl carabonate (DMC) and related compounds further, starting from urea or methyl carbamate and methanol employing novel catalysts, double metal cyanides, cenospheres, hydrotalcites and hydrotalci...
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WO/2014/072803A1 |
The invention relates to synthesis of methyl carbamate (MC) and dimethyl carabonate (DMC) in presence of stripping inert gas or superheated methanol vapors using packed column reactor and bubble column reactor.
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WO/2014/061678A1 |
The present invention provides a method for obtaining diethyl carbonate at high yield by transesterifying dimethyl carbonate and ethanol. The present invention provides a method of manufacturing diethyl carbonate by reaction distillation...
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WO/2014/059961A1 |
The invention relates to a synchronous CCU method (carbon dioxide capture and utilisation) for the absorption of carbon dioxide from flue gas and other CO2-containing substance sources and simultaneous synthesis of dialkyl carbonates and...
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WO/2014/045086A1 |
In an embodiment, a process for preparing an alkyl aryl carbonate and a diaryl carbonate, comprising: reacting a dialkyl carbonate and an aromatic hydroxy compound in a production column 200, 300 to form the alkyl aryl carbonate and the ...
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WO/2014/026431A1 |
Disclosed is a trifluoromethyl straight-chain carbonic ester preparation method. Preparation steps are: mixing trifluoromethyl saturated monohydric alcohol or a mixture of trifluoromethyl saturated monohydric alcohol and saturated straig...
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WO/2014/026432A1 |
Disclosed is a method for preparing a trifluoromethyl cyclic carbonate, which comprises steps of: adding trifluoromethyl saturated dihydric alcohol and triphosgene at a molar ratio of 1:3-1:10 to a reaction kettle, adding an acid-binding...
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WO/2014/024891A1 |
The present invention relates to a method for producing a carbonate compound, which comprises: a first step wherein a reaction mixture containing a carbonate compound is obtained by reacting a compound represented by formula (1) with a c...
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WO/2014/012372A1 |
A process for the production of ezetimibe and intermediates used in said process are disclosed. A kind of Morita-Baylis-Hillman adduct can be altered to carboxylic acid derivatives of β-arylamino α-methylene with high activity and sele...
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WO/2014/009377A1 |
Fluorinated carbonyl compounds comprising a triple bond were prepared and their use as solvent additives or solvents in lithium ion batteries, lithium air batteries, lithium sulphur batteries and supercapacitors is described. Preferred c...
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WO/2014/005417A1 |
Disclosed is a method for preparing dimethyl carbonate by taking an ionic liquid as a promoter of lipase to catalyze. The method comprises the following steps of: adding the ionic liquid into a reaction device; then, successively adding ...
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WO/2014/001857A1 |
A method for separating a mixture comprising dialkyl carbonate, water, and alkanol comprises: introducing a reactant stream (412) comprising dialkyl carbonate, water and alkanol to a first divided wall distillation column (200); separati...
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WO/2014/001856A1 |
In an embodiment, a method for production of diaryl carbonate by reaction of a dialkyl carbonate and an aromatic alcohol in the presence of a transesterification catalyst, comprising: producing a first top stream (5) comprising dialkyl c...
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WO/2014/002032A1 |
A method for separating a mixture comprising dialkyl carbonate, water, and alkanol comprises: introducing a reactant stream (412) comprising dialkyl carbonate, water and alkanol to a first divided wall distillation column (200); separati...
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WO/2014/001855A1 |
A method for production of diary carbonate, can comprise: introducing reactants to a first reactive distillation column (C21); recovering a first top stream (stream 5), a first bottom stream (stream 6), and a first side stream (stream 13...
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WO/2013/189861A1 |
The present invention relates to process for the preparation of a cyclic organic carbonate comprising: reacting carbon monoxide and chlorine to form phosgene; reacting phosgene with a di-or polyhydric alcohol containing a vicinal diol mo...
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WO/2013/175510A1 |
An eco-friendly process for making dimethyl carbonate comprising contacting methanol with carbon dioxide in the presence of a solid, calcined catalyst derived from zirconium phosphonate catalyst having molecular formula: Zr(X)2-nYn⋅mH2...
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WO/2013/164172A1 |
Process for the production of a chemical compound from a carbon dioxide starting material, comprising the steps of a) providing a feed stream consisting mainly of carbon dioxide; b) electrolysing in an electrolysis stage the carbon dioxi...
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WO/2013/150989A1 |
The present invention relates to a separation method of a diol and dibutyl carbonate, which comprises: a first distillation step wherein a mixture (X) that contains (a) a diol having 6 or less carbon atoms, (b) dibutyl carbonate and (c) ...
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WO/2013/134997A1 |
Disclosed are a molecular glass photoresist (I and II) with bisphenol A as a main structure and preparation thereof. The molecular glass photoresist is compounded with a photoacid generator, a cross-linking agent, a photoresist solvent, ...
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WO/2013/130170A1 |
Dialkyi carbonate and diol products are prepared in an integrated process. In one embodiment, alkylene oxide is reacted with carbon dioxide in the presence of a non-halide-containing homogeneous carbonation catalyst in a first reaction z...
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WO/2013/094826A1 |
A catalyst composition for synthesizing an aromatic carbonate compound, according to the present invention, comprises at least one type of samarium-based catalyst and a co-catalyst, and a method for preparing the aromatic carbonate compo...
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WO/2013/083418A1 |
Fluoroalkyl alkyl carbonates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformiates and an aldehyde, preferably formaldehyde and acetaldehyde. 1,1'-difluoromethyl carbonate and ...
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WO/2013/086016A2 |
This invention provides a method for producing an alkylaryl carbonate comprising: a) contacting a stream comprising an aromatic hydroxy compound and a stream comprising a dialkylcarbonate in a reactive distillation column containing a be...
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WO/2013/083618A1 |
The invention relates to a method for obtaining a dialkyl carbonate and an alkylene glycol from a material flow containing dialkyl carbonate, alkylene carbonate, alkylene glycol, and alcohol, said method having the following steps: (a) s...
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WO/2013/085949A2 |
This invention provides a method for producing an alkylaryl carbonate comprising: a) contacting a stream comprising an aromatic hydroxy compound and a stream comprising a dialkylcarbonate in a reactive distillation column containing a be...
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WO/2013/046132A1 |
The present invention relates to a process for the preparation of dialkyl carbonate compounds starting from urea and reagents selected from ethylene glycol and propylene glycol. Said process comprises the following steps: • carrying ou...
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WO/2013/012814A2 |
The invention provides a method for producing organic carbonates via the reaction of alcohols and carbon monoxide with oxygen adsorbed on a metallic gold or gold alloy catalyst.
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WO/2013/007601A1 |
The invention relates to a method for producing a diaryl carbonate by reacting phosgene with molten monohydroxy aromatics in the presence of at least one catalyst and without adding an additional solvent. The invention is characterised i...
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WO/2013/007597A1 |
The invention relates to a method for producing a diaryl carbonate and gaseous hydrogen chloride from molten monohydroxy aromatics and phosgene in the presence of at least one catalyst and without adding an additional solvent, the gaseou...
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WO/2013/003318A1 |
Disclosed is a process for making vinyl chloroformate which includes reacting (a) a carbonyl compound of formula (I): wherein R is a halogen or an alkyl group of 1 to about 25 carbon atoms; with (b) a silyl- containing enol ether and in ...
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