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WO/2017/103151A1 |
A continuous process for the preparation of propylene oxide, comprising providing a liquid feed stream comprising propene, hydrogen peroxide, methanol, water, at least one dissolved potassium salt of hydroxyethylidenediphosphonic acid, a...
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WO/2017/102087A1 |
The present invention relates to a method for producing a polyol from an unsaturated fatty acid with one or more double bonds, or a polyol from a fatty acid derivative having at least one unsaturated fatty acid group with one or more dou...
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WO/2017/102706A1 |
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular alkyl iodide and vinyl iodide impurities, are provided. Processes for produ...
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WO/2017/102701A1 |
Processes for reducing the amount of a gaseous iodide-containing impurity present in a recycle gas stream used in the production of ethylene oxide, in particular a vinyl iodide impurity, are provided. Processes for producing ethylene oxi...
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WO/2017/095639A1 |
A catalyst composition which comprises titanium, wherein part of the titanium is present as a titanium dioxide phase and at least some of the titanium dioxide phase is in the brookite polymorphic form is provided. In some embodiments, th...
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WO/2017/093204A1 |
In a process for the epoxidation of propene comprising the steps of epoxidizing propene with hydrogen peroxide in the presence of methanol, separating a crude propene oxide and a solvent mixture, extractive distillation of the crude prop...
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WO/2017/091588A1 |
An improved analytical method for analysis of dianhydrogalactitol preparations provides a method for determining the purity of dianhydrogalactitol and detecting impurities in preparations of dianhydrogalactitol, as well as identifying an...
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WO/2017/089080A1 |
Propene oxide is purified by extractive distillation, feeding crude propene oxide comprising from 15 to 97 % by weight of propene oxide, from 2 to 84 % by weight of methanol, and acetaldehyde to a feed point A in the middle section of an...
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WO/2017/089074A1 |
In aprocess for the epoxidation ofan olefin by continuously reacting the olefinwith hydrogen peroxidein a methanol solvent on a fixed bed epoxidation catalyst comprising a titanium zeolite, the hydrogen peroxide is used as an aqueous hyd...
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WO/2017/089079A1 |
In a process for the epoxidation of propene by reacting excess propene with hydrogen peroxide, non-reacted propene is recovered by a series of at least two sequential pressure reduction steps, recompressing the vapors resulting from pres...
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WO/2017/089516A1 |
In a process for the epoxidation of propene, comprising the steps of reacting propene with hydrogen peroxide, separating propene oxide and a recovered propene stream from the reaction mixture, separating propane from all or a part of the...
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WO/2017/089076A1 |
Propene is continuously reacted with hydrogen peroxide in a tube bundle reactor comprising a multitude of parallel reaction tubes in the presence of a titanium silicalite catalyst arranged as a fixed bed in the reaction tubes. A cooling ...
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WO/2017/080962A1 |
Process for the preparation of an epoxidation catalyst, which process comprises: (a) drying a silica gel carrier having a surface area in the range of from 330 to 450 m2/g at a temperature in the range of from 300 to 450 °C, and (b) con...
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WO/2017/077845A1 |
[Problem] To provide a multifunctional epoxy compound which has a low permittivity, and, when added to a generic epoxy resin composition, can achieve a sufficient reduction in permittivity of a cured epoxy resin product obtained from the...
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WO/2017/067887A1 |
The invention relates to a process for the preparation of styrene or substituted styrenes comprising the steps of: (a) subjecting a feed containing 1-phenyl ethanol or substituted 1-phenyl ethanol to a dehydration treatment in the presen...
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WO/2017/058573A1 |
A plasticizer can be or include one or more esterified fatty acid phenyl ether esters. The esterified fatty acid phenyl ether ester can have one or more fatty acid ester backbones, one or more phenyl ether moiety disposed on each fatty a...
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WO/2017/038954A1 |
The present invention relates to a tetramethyl biphenolic epoxy resin represented by formula (1), and relates to an epoxy resin which has excellent solubility in a solvent and contains a small amount of hydrolyzable chlorine, while havin...
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WO/2017/038979A1 |
Provided are: a compound represented by formula (1) and a method for producing same; a composition; a composition for forming an optical component; a composition for forming a lithographic film; a resist composition; a method for forming...
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WO/2017/040121A1 |
Epoxidation methods and catalyst are described herein. The epoxidation catalysts generally include a metal component including silver and a support material including kaolinite, wherein the epoxidation catalyst includes less than 55 wt.%...
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WO/2017/019538A1 |
The present disclosure generally relates to a silver-based epoxidation catalyst. In certain embodiments, a method is provided for modulating the reactivity of the silver-based epoxidation catalyst, comprising the catalyst being post-trea...
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WO/2016/208699A1 |
[Problem] To provide a method for the industrial production of an optically active fluoroalkyl ethylene oxide. [Solution] An optically active fluoroalkyl chloromethyl alcohol having a high optical purity can be produced at a high yield b...
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WO/2016/202807A1 |
The present invention relates to a process for providing substituted phenyl ketones wherein a Grignard reagent which is obtained from a substituted phenyl bromide is reacted with an acyl chloride at a temperature of -20 to 10 °C. Furthe...
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WO/2016/189548A1 |
The present invention relates to epoxidation of alkenes viz., styrene, indene, 1,2-dihydronapthalene and chromenes using recyclable organic promoter in the presence of an inorganic base and a metal salt as a catalyst with hydrogen peroxi...
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WO/2016/190354A1 |
The purpose of the present invention is to provide a novel compound which is useful as a plasticizer that has improved heat resistance and cold resistance, while having good inherent plasticization performance as a plasticizer, or which ...
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WO/2016/183809A1 |
The present invention relates to a nebivolol synthesis method and intermediate compound thereof. Specifically, the present invention relates to a method for synthesizing nebivolol, intermediate compound thereof and method for preparing t...
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WO/2016/184038A1 |
Disclosed is a method for preparing cyclohexene oxide using a micro-flow field reaction technology. The method is a method for preparing cyclohexene oxide from raw materials such as m-chlorobenzoyl chloride, an aqueous hydrogen peroxide ...
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WO/2016/180642A1 |
The present invention relates to a process for the preparation of terpinolene epoxide by epoxidation of terpinolene.
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WO/2016/164595A1 |
The present disclosure relates to a method of preparing propylene oxide comprising the steps: (a) oxidizing alpha-methylbenzyl alcohol with air to form a first reaction mixture comprising hydrogen peroxide and acetophenone; (b) reacting ...
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WO/2016/164585A1 |
The present disclosure relates to a method of epoxidizing an olefin to form an epoxide, the method comprising contacting an alkene,(C≤12) or aralkene(C≤12) with a titanium silica catalyst, a peroxide, a buffer, and one or more organi...
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WO/2016/139594A1 |
Disclosed herein is a method comprising the steps of: a) producing a hydrocarbon stream from syngas via a Fischer-Tropsch reaction, wherein the hydrocarbon stream comprises a first C2 hydrocarbon stream comprising ethane and a first ethy...
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WO/2016/138334A1 |
A silver-based ethylene epoxidation catalyst is provided that exhibits improved performance, i.e., selectivity and activity decline. The catalyst that exhibits the improved performance includes greater than about 20 % by weight of silver...
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WO/2016/131652A1 |
In the method for the epoxidation of an olefin, the olefin is continuously reacted with hydrogen peroxide in a mixed reactor in the presence of a water soluble epoxidation catalyst, comprising a manganese complex, the reaction is carried...
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WO/2016/131858A1 |
Epoxidation of an olefin is carried out by continuously reacting the olefin with hydrogen peroxide in the presence of a homogeneous epoxidation catalyst in a reaction mixture comprising an aqueous liquid phase and an organic liquid phase...
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WO/2016/131650A1 |
The method for the epoxidation of propene comprises continuously reacting propene with hydrogen peroxide in the presence of a homogeneous epoxidation catalyst in a reaction mixture comprising an aqueous liquid phase and an organic liquid...
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WO/2016/133891A1 |
The present disclosure generally relates to a silica-titanium catalyst prepared by first reacting a solid support with a metal alkoxide and then depositing titanium onto the solid support for the epoxidation of alkenes and aralkenes and ...
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WO/2016/131649A1 |
Epoxidation of an olefin is carried out by continuously reacting the olefin with hydrogen peroxide the presence of a water soluble epoxidation catalyst, comprising a manganese complex, in a reaction mixture comprising an aqueous liquid p...
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WO/2016/129561A1 |
Provided is a method for efficiently and safely producing a compound having an N,N-bis(2-hydroxy-3-chloropropyl)amino group on an industrial scale. A compound having an N,N-bis(2-hydroxy-3-chloropropyl)amino group is produced by continuo...
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WO/2016/128538A1 |
The invention relates to process for the regeneration of a catalyst comprising a titanium containing zeolite as catalytically active material comprising a stage comprising introducing a feed stream comprising propene, hydrogen peroxide o...
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WO/2016/113193A1 |
An integrated process for making propene oxide and an alkyl tert-butyl ether comprises dehydrogenating a feed stream comprising propane and iso-butane to provide a stream comprising propene, iso-butene and hydrogen; separating this strea...
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WO/2016/113185A1 |
An integrated process for making propene oxide and an alkyl tert-butyl ether comprises dehydrogenating a feed stream comprising iso-butane to provide a stream comprising iso-butene and hydrogen and separating this stream into a stream co...
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WO/2016/108975A1 |
Disclosed herein are methods of using scaled selectivities to assist in determining whether changes to the value of a target ethylene oxide production parameter—such as ethylene oxide production rate—used in the process of epoxidizin...
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WO/2016/088138A1 |
The present invention discloses substituted diphenyloxiranes and process for synthesis thereof. The present invention also provides a process for production of enantiomerically pure anti-3,3'-diphenylmethyloxirane and anti-3,3'-diphenylp...
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WO/2016/076112A1 |
Provided is a process for safely producing, in a high yield, a high-purity polyvalent glycidyl compound from a compound having one or more 2-alkenyl ether groups and two or more 2-alkenyl groups in the molecule, by using an aqueous hydro...
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WO/2016/065576A1 |
The present invention provides a process for the preparation of high-purity guaiacol glycidyl ether of formula (I). The present invention further relates to an improved process for the purification of guaiacol glycidyl ether of formula (...
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WO/2016/066629A1 |
A continuous process for the preparation of propylene oxide, comprising (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream SO containing propylene oxide, ace...
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WO/2016/069266A1 |
The present disclosure is directed to a plasticizer composition, polymeric compositions containing the plasticizer composition, and coated conductors comprising the polymeric composition. The plasticizer composition comprises an epoxidiz...
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WO/2016/063957A1 |
Provided are: a decalin derivative having a glycidyloxy group or an allyloxy group; and a method for producing the decalin derivative. A decalin derivative represented by formula (1) is produced by: a method comprising reacting a hydroxy...
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WO/2016/050741A1 |
A process for recovering an ethylene oxide (EO) enriched product stream from fat absorbent (FA) comprising water, EO, and acetaldehyde. The process comprises passing a feed of FA from a loopgas EO absorber to a multi-stage countercurrent...
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WO/2016/050004A1 |
Disclosed is an olefin oxidation method. The method comprises the step of: under an olefin oxidation reaction condition, enabling feeds to sequentially flow through a first catalyst bed to an nth catalyst bed, wherein if apparent velocit...
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WO/2016/047277A1 |
To reduce the generation of a by-product or to increase the selectivity in a reaction in a method for producing 3-chloro-2-hydroxypropyl (meth)acrylate and in a method for producing glycidyl (meth)acrylate, wherein the generation of a by...
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