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Matches 1 - 50 out of 7,172

Document Document Title
WO/2020/188274A2
A method for preparing a partially fluorinated alcohol, comprises reacting an epoxide: wherein R1, R2, R3 and R4 are independently selected from the group comprising H, F, Cl, Br, I, CF3, alkyl, fluoroalkyl, haloalkyl with a fluorinating...  
WO/2020/121577A1
Provided is an epoxy compound that is useful as a novel epoxy resin monomer. In the present invention, a novel epoxy resin monomer is provided by subjecting an α, β-unsaturated aldehyde or the like to epoxidation in order to obtain a...  
WO/2020/108872A1
A shaped catalyst body for producing ethylene oxide by gas-phase oxidation of ethylene, comprising silver deposited on a porous refractory support, the shaped catalyst body having a first face side surface, a second face side surface and...  
WO/2020/082863A1
Disclosed is a method for preparing a key intermediate of an epoxy resin. The preparation method comprises: placing 3-chloropropene, a heteropolyacid catalyst and a nitrogen-containing heterocyclic compound in an autoclave, stirring same...  
WO/2020/074008A1
Provided is a fumagillin extraction and purification method, which comprises the steps of extraction with a methyl t-butyl ether (MTBE) or ethyl t-butyl ether (ETBE) fermentation liquid, MTBE or ETBE precipitation, crystallization and pu...  
WO/2020/074586A1
A molding, comprising a zeolitic material having framework type MFI wherein from 98 to 100 weight-% of the zeolitic material consist of Ti, Si, O, and H, and wherein the zeolitic material having framework type MFI exhibits a type IV nitr...  
WO/2020/075417A1
A propylene oxide purification system comprises: a first distillation column 10; a second distillation column 20; a liquefaction separator LQ that liquefies at least a part of a stream supplied from a column top outlet 20t of the second ...  
WO/2020/069754A1
The invention relates to a process for oxidizing beta-caryophyllene with oxygen, especially atmospheric oxygen, which process does not require catalysts, enzymes and solvents. The invention further relates to a mixture comprising certain...  
WO/2020/072163A1
A process for producing ethylene oxide from ethane can include: introducing ethane and oxygen into an oxidative dehydration reactor to produce an intermediate product stream comprising ethylene, carbon monoxide, carbon dioxide, water, ox...  
WO/2020/049991A1
[Problem] To provide a method for producing an epoxy compound at a high yield by means of hydrogen peroxide while suppressing the generation of by-products, wherein an organic compound having a carbon-carbon double bond is used as a raw ...  
WO/2020/032279A1
[Problem] To provide a method for producing ethylene oxide and ethylene glycol, whereby the concentration of 1,4-dioxane included in drainage generated in the process of producing ethylene oxide and ethylene glycol can be reduced. [Solut...  
WO/2020/026599A1
The present invention provides a method for producing an epoxy alkane that has a high olefin conversion rate and high selectivity for epoxide and is capable of obtaining epoxide at a high yield even when the olefin carbon chain is long, ...  
WO/2020/028606A1
In one aspect, the present invention encompasses compositions of sustainable polycarbonate polymers, methods of producing such polymers, and methods for evaluating whether certain constituents of a polymer chain are derived from biomass ...  
WO/2020/026598A1
The present invention provides: an epoxyalkane production method which can attain a high olefin conversion and a high selectivity to an epoxide even when an olefin including a long carbon chain is used and by which the epoxide can be obt...  
WO/2020/028803A1
A diepoxy phthalimidine of formula (2) wherein R1, R2, Ra, Rb, R13, R14, p, q, and c are as provided herein, wherein the diepoxy phthalimidine of formula (2) has a purity of greater than 60%, preferably greater than 70%, preferably great...  
WO/2020/012268A1
Systems and methods for producing ethylene oxide (EO) are disclosed. Ethylene oxide is produced by direct oxidizing ethylene with oxygen in a reactor. The effluent from the reactor is processed to produce (a) a product stream comprising ...  
WO/2020/003999A1
The present invention makes it possible to provide a method for producing a polyfunctional sulfur-containing epoxy compound, the method being characterized in that a polyfunctional thiol is reacted with an epihalohydrin in the presence o...  
WO/2019/236249A1
Ethylene oxide purification by quenching and washing ethylene oxide reactor effluent prior to passing the gaseous ethylene oxide-containing stream to an ethylene oxide absorber to form a dilute aqueous ethylene oxide and carbon dioxide s...  
WO/2019/232604A1
The invention relates to a method for producing biolubricant from vegetable oil, comprising the steps of (a) esterification reaction of the product of hydrolysis of the vegetable oil using a branched aliphatic alcohol; (b) epoxidation re...  
WO/2019/231044A1
A method, according to an embodiment, for purifying an alkylene oxide composition comprises: (1) a step for obtaining a crude alkylene oxide composition containing ionic components; (2) a step for passing the crude alkylene oxide composi...  
WO/2019/216035A1
The present invention provides: 2-ethyl-2,3-epoxybutanal, which is considered to be a useful building block in organic synthetic chemistry; and a method for producing the same. In the presence of alkali, 2-ethyl crotonaldehyde is reacted...  
WO/2019/210991A1
The invention describes a low temperature process for high performance epoxy resins purification via membrane separation technology. Continuous or semi-continuous low temperature processing grants a minimized material aging during produc...  
WO/2019/213034A1
An improved process for the recovery of ethylene oxide from the aqueous scrubbing solution in which the ethylene oxide is recovered into a vaporous stream highly enriched in ethylene oxide.  
WO/2019/196681A1
Disclosed in the present invention is a process for preparing epichlorohydrin by means of the direct epoxidation of chloropropene, a modified heteropolyacid immobilized catalyst and a preparation method therefor; specifically, disclosed ...  
WO/2019/185877A1
The invention relates to a method for the preparation of a 4,5-dihydroxyisoleucine derivative comprising the steps of asymmetric Claisen rearrangement of a Z-aminocrotyl-glycin ester and subsequent kinetic resolution of the product diast...  
WO/2019/186180A1
This invention relates to a process for the preparation of glycidol from the thermal decarboxylation of glycerol carbonate. In one aspect, the present invention provides a process for the preparation of glycidol by thermal decarboxylatio...  
WO/2019/176951A1
Provided are a production method for a titanium-containing silicon oxide molded article having high catalytic activity and high strength, and a titanium-containing silicon oxide molded article. A production method for a titanium-containi...  
WO/2019/171161A1
PCT00760 20 ABSTRACT Disclosed herein is a process for preparation of 1-chloro-2-(1- chlorocyclopropyl)-3-(2-chlorophenyl)propan-2-ol (compound of formula (I)) 5 and 2-(1-chlorocyclopropyl)-2-[(2-chlorophenyl)methyl]oxirane (compound of ...  
WO/2019/154863A1
A method for preparing a silver impregnation solution comprises (a) charging a neutralization reactor R1 with an aqueous organic amine; (b) adding oxalic acid powder through a first feeding conduit to the neutralization reactor R1 to obt...  
WO/2019/152980A1
A propylene oxide separation system comprising a heavies distillation column configured to receive a crude propylene oxide stream and discharge a heavies purge bottoms comprising at least one impurity selected from acetone, methanol, ald...  
WO/2019/133174A1
A process for preparing a silver-containing catalyst for the oxidation of ethylene to ethylene oxide (EO) including the steps of: providing a support having pores; providing a silver-containing impregnation solution; adding an amount of ...  
WO/2019/119489A1
The present invention relates to a method of preparing ethylbenzene hydroperoxide by liquid-phase peroxidation of ethylbenzene and a preparation method of propylene oxide. By adding a small amount of an organic basic substance, the perox...  
WO/2019/118554A1
A silver impregnation solution containing: (i) silver ions, (ii) a polar organic additive containing two to four carbon atoms and two to four functional groups selected from hydroxy, carboxylic acid, and amine groups, provided that a car...  
WO/2019/105453A1
Disclosed are a method and system for producing an epoxyalkane, the method and system mainly solving the problems in the prior art of the accumulation of heavy fraction impurities resulting in a decrease in the purity of an extracting ag...  
WO/2019/105031A1
The present invention relates to a preparation method for an olefin epoxidation catalyst. The method comprises: (1) preparing a titanium silicon gel; (2) performing pore-enlarging treatment on the titanium silica gel by using an organic ...  
WO/2019/105451A1
The present invention relates to a method for producing alkylene oxide, and primarily solves the problems in the prior art of the accumulation of diol heavy-component impurities leading to low purity of an extractant, large loss, low yie...  
WO/2019/082995A1
Provided is a beta zeolite also having exceptional catalytic activity as a catalyst other than an olefin epoxidation catalyst. This beta zeolite is synthesized without using an organic structure-directing agent and has titanium in the st...  
WO/2019/055773A1
A method for process monitoring and control of a chemical reactor in which a chemical reaction utilizing a halogenated selectivity modifier is performed includes: measuring a level of halogenated components in an inlet stream of a reacto...  
WO/2018/144740A8
A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium ...  
WO/2019/043404A1
The present invention provides a method for the selective oxidation of an organic molecule in a chemical looping reactor comprising a packed bed or fluidised bed, the packed bed or fluidised bed having a bed material comprising one or mo...  
WO/2019/031240A1
The present invention makes it possible to obtain a compound represented by formula (II) at a high yield by executing: a step A for obtaining a trimethyl oxosulfonium ylide solution or a trimethyl sulfonium ylide solution by reacting a b...  
WO/2019/025184A1
In a process for the epoxidation of propene with hydrogen peroxide in the presence of an epoxidation catalyst, a shaped epoxidation catalyst is used comprising shaped bodies containing a first titanium silicalite with a titanium content ...  
WO/2019/023158A1
The present disclosure is directed to the preparation of silver-based HSCs. During preparation of the catalyst a selected carrier is co-impregnated with a solution containing a catalytically effective amount of silver and a promoting amo...  
WO/2019/020793A1
The present invention is directed to a process for producing a shaped catalyst body comprising silver applied to an alumina support, which comprises providing an alumina support, with a defined pore structure and then applying a defined ...  
WO/2019/021181A1
Metal modified 2-D and 3-D tetrazole-based carbon nitride materials, method of making and method of use are described. The materials include a catalytic metal, preferably Fe or Ru, and have a nitrogen to carbon ratio of between 1.36 and ...  
WO/2019/015599A1
Provided is a process for producing a compound I comprising at least one functional group chosen in the group consisting of epoxy group, hydroxyl group and carbonyl group and by reacting a compound J comprising at least one functional gr...  
WO/2019/016297A1
The present invention relates to a device and a method for the in-situ production of a sterilisation gas and the sterilisation of objects. In a first step of the method, an alcohol is catalytically converted to an alkene oxide. The alken...  
WO/2014/106799A9
A Bis-glycidyl methacrylate monomer of formula (I) wherein R can be a biphenyl group unsubstituted or substituted by OH, oxygen, amino, or Cl- C4 alkyl; a phenyl group unsubstituted or substituted by OH, oxygen, amino, Cl-3 alkyl; a C2-1...  
WO/2018/234045A1
In a process for the oxidation of a lower alkene, such as ethylene, over a catalyst containing Cu and one or more zeolite or zeotype materials, the oxidation is conducted in the presence of ammonia in the feed gas at a process temperatur...  
WO/2018/233562A1
The present invention relates to an intermediate for preparing oseltamivir and an isomer thereof. The intermediate of the present invention is prepared by means of neighboring group participation at room temperature under the conditions ...  

Matches 1 - 50 out of 7,172