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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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WO/2016/040309A2 |
Provided is a process of conducting olefin epoxidation which comprises contacting an olefin and an oxidant in the presence of Ti-UCB-4 to thereby prepare an epoxide. The Ti-UCB-4 catalyst is prepared by delaminating a B-SSZ-70 precursor ...
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WO/2016/032997A2 |
Disclosed herein is a method of making a 2-(2,3-epoxypropyl)phenol by reacting a 2-allylphenol with an oxidant in the presence of a catalyst. A 3-chromanol can be formed as a by-product. The method can be used to make 2-(2,3-epoxypropyl)...
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WO/2016/027735A1 |
[Problem] To provide a method for producing an epoxy compound by reacting hydrogen peroxide with an olefin compound, wherein a hydrogen peroxide stabilizer for suppressing the generation of oxygen generated from the hydrogen peroxide is ...
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WO/2016/016070A1 |
In a process for the epoxidation of an olefin, where a mixture comprising olefin, hydrogen peroxide, water and methanol with a weight ratio of water to methanol of less than 1 is passed through a catalyst fixed bed comprising a shaped ti...
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WO/2016/005211A1 |
The present invention relates to a process for the preparation of oxirane compounds of formula II from keto compounds III using dimethyl sulfide (CH3)2S and dimethylsulfate (CH3)2SO4,forming the reagent IV, trimethylsulfonium methylsulfa...
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WO/2016/001344A1 |
Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarbo...
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WO/2015/074025A9 |
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/2015/177011A1 |
The present invention concerns a method for the epoxidation of unsaturated fatty acid alkyl esters by reacting unsaturated fatty acid alkyl esters with hydrogen peroxide in a liquid two-phase system, which comprises an organic phase comp...
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WO/2015/174936A1 |
The invention relates to an improved process for making monomelic triglycidyl compounds, wherein the triglycidyl compounds include N, O-triglycidyl compounds containing at least one primary aromatic amine and one phenolic functional grou...
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WO/2015/162562A1 |
Processes for preparing supported gold nanoparticle catalysts are provided. In an exemplary embodiment, the process includes adding a solution of a phosphorus compound to a solution of chloro (dimethyl sulfide) gold (I) to obtain a solut...
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WO/2015/163362A1 |
The present invention provides an alicyclic diepoxy compound represented by general formula (1). (In general formula (1), R1 and R2 each independently represent one selected from the group consisting of hydrogen atoms, C1-10 alkyl groups...
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WO/2015/152298A1 |
[Problem] To provide a novel technique whereby the argon purge amount in a process for producing ethylene oxide can be further reduced. [Solution] A process for producing ethylene oxide which includes: a step in which reaction product ga...
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WO/2015/145182A1 |
The invention relates to a process for preparing alkanolamines, useful in the removal of CO2 and/or H2S from a CO2 and/or H2S containing gaseous stream, wherein the preparation of the alkanolamines is conducted using specifically selecte...
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WO/2015/148040A1 |
A process for preparing an aliphatic or cycloaliphatic epoxy resin composition including the steps of: (I) reacting a mixture of the following components: (a) an aliphatic or cycloaliphatic hydroxyl-containing material, (b) an epihalohyd...
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WO/2015/129813A1 |
The present invention provides: a deuteration method that is both cost effective and has an excellent deuteration rate; a method for selectively replacing a leaving group of an aromatic compound with deuterium; and a deuteration catalyst...
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WO/2015/123092A1 |
A process for epoxidizing an aromatic olefin compound containing multi-olefin functionalities to form an epoxy compound including reacting the following compounds: (a) at least one aromatic compound containing multi-olefin functionalitie...
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WO/2015/112672A1 |
A method of preparing epoxidation catalysts is disclosed. The method comprises: (a) adding an inorganic siliceous solid to a column to produce a solid-filled column; (b) adding to the solid-filled column a solution comprising titanium te...
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WO/2015/102982A1 |
A silver-based ethylene oxide catalyst is provided that has enhanced stability. The enhanced stability is obtained in the present invention by providing a silver-based ethylene oxide catalyst that includes from 100 ppm to 1000 ppm of zin...
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WO/2015/100209A1 |
A method for the epoxidation of an olefin comprising reacting a feed gas composition containing an olefin, oxygen, and a halocarbon moderator having a first moderator concentration M1 in the presence of an epoxidation catalyst at a first...
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WO/2015/091871A1 |
Process for manufacturing an epoxide by reacting at least one chlorohydrin with at least one dehydrochlorinating agent in order to give the epoxide and at least one chlorinated co-product, said process comprising regenerating the dehydro...
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WO/2015/087194A1 |
The present invention relates to a catalyst for the epoxidation of alkenes, comprising silver, rhe nium, cesium, lithium, tungsten and sulfur on a support. The present invention further relates to a process for producing the catalyst and...
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WO/2015/082605A1 |
A method of separating impurities from impure PO, the method comprising distilling impure PO in a distillation zone to provide distillate PO of enhanced purity, wherein heat is provided to the distillation zone by a bottoms reboiler and ...
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WO/2015/078592A1 |
This invention concerns a process to remove 1,2-epoxy-5-hexene from epichlorohydrin which is produced by oxidation of un-purified allyl chloride comprising at least 1,5-hexadiene as impurity.
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WO/2015/076222A1 |
Provided is a method for producing an epoxy compound by reacting a compound that comprises a carbon-carbon double bond with hydrogen peroxide in an environment in which the compound that comprises a carbon-carbon double bond, a hydrogen ...
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WO/2015/073249A1 |
Direct epoxidation of propene is carried out on electrochemically tuned mixed oxide catalyst surfaces in a single chamber reactor with mixed reaction gas of hydrocarbon and oxygen. Yield and selectivity improvement compared to platinum- ...
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WO/2015/045674A1 |
The present invention includes a binaphthalene skeleton-containing epoxy resin having a structure represented by formula (1) (1) (In the formula, n is an integer of 0 or 1 or more). The present invention also includes a method for produc...
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WO/2015/039409A1 |
Disclosed is a synthesis process for diacetyl epoxy glyceryl oleate, comprising the following steps: a. an esterification reaction: performing an esterification reaction on the esterification raw materials of glycerine and oleic acid und...
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WO/2015/029055A1 |
An abbreviated, energy efficient and manipulative process and recipe using a novel binder- combination, to custom-make shaped TS-1 product wherein, their physico-chemical attributes can be engineered, variegated or optimized independent ...
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WO/2015/028028A1 |
The present invention concerns a process for converting biomass into useful organic building blocks for the chemical industry. The process involves the use of molybdenum catalysts of the formula Aa+a(MovXxR1 yR2 zR3e)a*3-, which may be r...
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WO/2015/026425A1 |
A process of transesterifying biobased epoxidized vegetable oils with a dialkyl carbonate produces mixtures of epoxidized fatty acid cyclic glycerin carbonate esters and epoxidized fatty acid alkyl esters.
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WO/2015/019108A1 |
This invention relates to an improved one-pot synthetic process for the preparation of glycidol from the reaction of glycerol and dimethyl carbonate. More specifically, the invention relates to a one-pot synthetic process for the prepara...
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WO/2015/017333A1 |
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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WO/2015/010994A1 |
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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WO/2015/010990A1 |
A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt; (ii) pa...
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WO/2015/010992A1 |
A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, dissolved potassium dihydrogen phosphate, and optionally propane; (ii)...
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WO/2015/010991A1 |
A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a pho...
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WO/2014/208131A1 |
Provided are: an epoxy compound having superior heat resistance and flame resistance of the cured product thereof; an epoxy resin containing the epoxy compound; a curable composition and cured product thereof; and a semiconductor sealing...
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WO/2014/204639A1 |
A process for preparing a divinylarene dioxide including the steps of: (a) feeding one or more feed streams of the following reactants into a reactor system: (i) at least one divinylarene, (ii) at least one oxidizing agent, and (iii) at ...
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WO/2014/198243A1 |
A process for manufacturing epoxy monomers and/or epoxides in high yields and useful quality and chemical stability by dehydrochlorination of the corresponding chlorohydrins with an alkaline agent, producing the corresponding side produc...
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WO/2014/190899A1 |
Provided are a compound of formula I which can be used as a drug against small RNA virus infections, and optical isomers, pharmaceutically acceptable salts, solvates or hydrates thereof. Also provided are the preparation method of the co...
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WO/2014/184751A1 |
The present disclosures and inventions relate to methods and apparatus for the conversion of ethylene and oxygen to ethylene oxide, conversion of the ethylene oxide to ethylene glycols, and improving the efficiency of such processes. In ...
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WO/2014/177507A1 |
A continuous process for the preparation of propylene oxide, comprising(a) reacting propene, optionally admixed with propane, with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream S...
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WO/2014/175152A1 |
Provided are: a method for easily and efficiently recovering an oxo acid catalyst, which is used in a reaction for oxidizing an organic compound by hydrogen peroxide, without deteriorating the yield of the reaction product and the activi...
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WO/2014/172240A1 |
A method for the oxidation of ethylene to form ethylene oxide is provided that includes passing an aqueous stream through a guard bed and one or more ion exchange treatment beds. The guard bed and the aqueous stream contain from about 0....
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WO/2014/162947A1 |
Provided is a method for producing a diglycidylamine-type epoxy compound, which is an industrially useful compound, with high efficiency. A diglycidylamine-type epoxy compound represented by general formula (2) can be produced by reactin...
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WO/2014/157699A1 |
A method for producing ethylene oxide (EO), said method comprising the steps of: supplying a reaction product gas that contains EO, which is produced by oxidizing ethylene by catalytic vapor-phase oxidation using molecular oxygen in the ...
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WO/2014/157698A1 |
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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