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JP6732971B2 |
The present invention relates to a method for the reactivation of homogeneous catalyst systems from organic reaction mixtures. The catalyst systems are suitable for the oxidation of organic compounds such as, for example, cyclododecene. ...
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JP6723049B2 |
According to the present invention, there is provided means for suppressing the occurrence of corrosion on the inner tube side in a heat exchanger and enabling continuous production for a long time period in a process for producing ethyl...
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JP6714459B2 |
The invention relates to compounds of formula (I)whereR1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl;at least one of t...
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JP2020517717A |
2-Bromo-tetrafluoropropane-3-ol, a hydroxide solution of an alkaline or alkaline earth metal, a compound of 2,3,3,3-tetrafluoro-1,2-epoxypropane, and the formula [OCRR1CR2R3]nA method for preparing tetrafluoro 1,2-epoxypropane, which com...
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JP6707553B2 |
Epoxidation of an olefin is carried out by continuously reacting the olefin with hydrogen peroxide in the presence of a water soluble epoxidation catalyst, comprising a manganese complex, in a reaction mixture comprising an aqueous liqui...
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JP6695005B2 |
A process for forming a concentrated solution, including distilling in a distillation zone comprised of 10 or more theoretical distillation stages, at a pressure of no greater than 300 mm Hg and a reflux ratio (D/L) of at least 1:1, an a...
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JP6681007B2 |
The present invention provides a method for producing an epoxy compound by a reaction of an olefin compound with hydrogen peroxide, wherein the epoxy compound is stably and safely produced using a hydrogen peroxide stabilizer for reducin...
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JP6682968B2 |
To provide a method for efficiently producing an epoxy compound high in safety, excellent in cost effectiveness and also high in the purity of an objective.Provided is a method for producing an epoxy compound characterized in the styrene...
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JPWO2018207735A1 |
To provide a method for producing a high-quality epoxy compound which is suitable for industrial production, has a high yield, does not require complicated post-treatment, and has no coloring. A method for producing an epoxy compound rep...
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JP2020040897A |
To provide a method for producing an epoxy compound in a high yield while suppressing the production of by-products in a method for producing an epoxy compound using an organic compound having a carbon-carbon double bond as a raw materia...
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JP6660576B2 |
It is an issue to provide an epoxy resin that has excellent fluidity and curability, that provides a cured product with favorable moisture resistance and mechanical strength, and that is suitable for use in a semiconductor sealing materi...
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JP2020505373A |
The present disclosure relates to a method of catalytically selectively oxidizing epoxides using molecular oxygen in a liquid phase containing a perfluorosolvent and an olefin compound. This method improves epoxide selectivity to over 60...
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JP6646747B2 |
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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JP6644659B2 |
To provide a monoepoxy compound that, when blended in a curable composition, prevents the heat resistance of the curable composition from decreasing and also prevents the weight loss when curing the curable composition, and at the same t...
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JP6641681B2 |
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JP6634179B1 |
To provide an epoxy alkane having a high conversion rate of an olefin and a high selectivity for an epoxide even when the carbon chain of the olefin is long, and to obtain an epoxide in a high yield, and the production thereof. A solid o...
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JP6634178B1 |
To provide a method for producing an epoxy alkane, which has a high conversion rate of an olefin and a high selectivity for an epoxide even when the carbon chain of the olefin is long, and can obtain an epoxide in a high yield, and solid...
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JP6633537B2 |
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JP6611729B2 |
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JP6609902B2 |
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JP2019189653A |
To provide a process for producing glycidyl(meth)acrylate, in which the formation of by-products is reduced, or the selectivity in reaction is increased.Provided is a process for producing glycidyl(meth)acrylate in which, in polar solven...
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JP2019528165A |
In producing a catalyst containing silver, a transition metal oxide enhancer, and a carrier using the slurry method, a specific transition metal oxide enhancer is applied to produce propylene oxide from propylene and oxygen by a conventi...
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JP6581577B2 |
The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited the...
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JPWO2018083881A1 |
Provided is a method for efficiently producing a multivalent glycidyl compound by oxidizing a multivalent allyl compound using hydrogen peroxide as an oxidizing agent. In the method for producing a polyvalent glycidyl compound that epoxi...
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JP2019524439A |
The present invention is a molding catalyst for producing ethylene oxide, which is applied to an alumina carrier and contains at least silver, cesium and rhenium, wherein the alumina carrier contains a defined amount of Si, Ca and Mg. Ta...
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JP6570596B2 |
The present invention relates to a molding, comprising a microporous aluminum-free zeolitic material of structure type MWW containing titanium and zinc (ZnTiMWW), said molding preferably comprising a micropowder comprising, based on the ...
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JP2019137665A |
To provide a method for producing propylene oxide, capable of efficiently producing propylene oxide from propylene by using oxygen as an oxidizing agent.The method for producing propylene oxide comprises an oxidation step of bringing a m...
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JP6559028B2 |
The subject invention is related to a process for the epoxidation of olefin with peroxide, comprising reacting peroxide with olefin in the presence a solvent, wherein the solvent has Hansen Solubility Parameters (HSPs) of δT,solvent and...
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JP6538922B2 |
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JP6538921B2 |
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JP6522078B2 |
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JP6511760B2 |
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JP6512970B2 |
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JP6511864B2 |
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JP2019511507A |
The present invention relates to a method for producing a glycidyl ester compound in which a reaction is carried out under reduced pressure without using a reaction solvent.
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JP2019510818A |
Provided is a method for producing an epoxide by a haloalcohol method, which comprises the following steps. (1) Haloalcoholization: H in the reactor2O, halogen alone, and olefin compound are added and reacted to obtain haloalcohol; (2) S...
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JP6482678B2 |
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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JP6461721B2 |
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JP6460981B2 |
Provided is a method for easily and efficiently recovering an oxoacid catalyst without deterioration in reaction product yield and catalytic activity, where the oxoacid catalyst has been used in a reaction for oxidizing an organic compou...
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JP6454891B2 |
An improved carrier for an ethylene epoxidation catalyst is provided. The carrier includes an alumina component containing a first portion of alumina particles having a mean primary particle size of, or greater than, 2 m and up to 6 m, a...
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JP2019006707A |
To provide a method for producing a fluorine-containing epoxy compound that makes it possible to obtain a target product in high yield without conducting the reaction in a minute space necessarily.The present invention provides a method ...
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JP2019006779A |
To provide a method for inexpensive mass production of propylene oxide (1,2-epoxypropane) by reacting propylene with hydrogen peroxide.There is provided a method of producing propylene oxide using hydrogen peroxide obtained by a producti...
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JP6454329B2 |
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JP6438893B2 |
Dehydrating an ethanol feed to form ethylene then oxidation of the ethanol to ethylene oxide: vaporization of an ethanol feed and at least a portion of a flow of diluting water comprising recycled ethanol so as to produce a vaporized fee...
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JP6442418B2 |
Process for dehydrating an ethanol feed to ethylene then oxidating the ethanol to ethylene oxide, comprising vaporizing the feed and a flow of diluting water comprising recycled ethanol to produce a vaporized feed, dehydrating a mixture ...
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JP6432791B2 |
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JP6421862B2 |
A method of producing an epoxy compound, which comprises reacting hydrogen peroxide with a compound having a carbon-carbon double bond, in the presence of at least one of a tungsten compound and a molybdenum compound; and an onium salt c...
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JP6422971B2 |
A propylene oxide separation system that comprises a distillation column, a decanter, and water wash system. The distillation column is configured to receive a crude propylene oxide stream, discharge an impurity stream that comprises met...
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JP2018162221A |
To provide a pyrrolidine derivative capable of catalyzing an asymmetric oxidation reaction of an alkene compound.There is provided an arylpyrrolidine dicarboxylic acid amide derivative exemplified by cat.A in the following formula. There...
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JP6391913B2 |
The purpose of the present invention is to provide a means which can inhibit an ethylene oxide production process from yielding ethylene glycol as a by-product and can improve the yield of ethylene oxide. The ethylene oxide (EO) producti...
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