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WO/2021/121426A1 |
Synthesis and use of a protocatechuic acid-based epoxy resin. Specifically, a protocatechuic acid epoxidized monomer has a structure as shown in the following formula (I). The monomer can be cured to form a protocatechuic acid epoxy resi...
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WO/2021/123227A1 |
The present invention relates to a specific continuous process for preparing a zeolitic material having a framework structure type selected from the group consisting of MFI, MEL, IMF, SVY, FER, SVR, and intergrowth structures of two or m...
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WO/2021/103437A1 |
Disclosed is a catalyst for preparing propylene epoxide. The catalyst comprises 0.05-10 wt% of TiO 2, 0.5-2.9 wt% of M1, and 0.05-0.5 wt% of M2, with the balance being SiO 2; wherein M1 is at least one of Al 2O 3, SO 3 and Cr 2O 3; and M...
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WO/2021/099255A1 |
The invention relates to a process for removing 5poly(propylene oxide) from propylene oxide, comprising: a) sending a stream comprising propylene oxide and poly(propylene oxide) to a filtration screen having openings with an average diam...
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WO/2021/091830A1 |
Methods of preparing titanated silica catalysts and titanated silica catalysts are presented. The titanated silica catalysts may include a silica support, which may include spherical beads. The spherical silica beads may have an average ...
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WO/2021/091827A1 |
Methods of preparing titanated silica catalysts, and titanated silica catalysts. The titanated silica catalysts may include a silica support, which may include spherical beads. Methods of olefin epoxidation, which may include contacting ...
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WO/2021/092313A1 |
Ethylene oxide composition having a recycle content value is obtained by reacting an ethylene stream containing recycle content ethylene to make a recycle content ethylene oxide or by deducting from a recycle inventory a recycle content ...
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WO/2021/085268A1 |
Provided is a method for efficiently producing an epoxy compound using an electrochemical method. This method for producing an epoxy compound comprises electrically oxidizing a salt represented by formula (a) in an aqueous phase to yie...
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WO/2021/078619A1 |
In a process for the continuous epoxidation of propene with hydrogen peroxide, comprising a step a) of continuously reacting propene with hydrogen peroxide in the presence of a titanium zeolite epoxidation catalyst to provide a liquid re...
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WO/2021/078616A1 |
In a process for continuously epoxidizing propene with hydrogen peroxide and an epoxidation catalyst, a liquid reaction mixture comprising dissolved propene is provided; a sample of this reaction mixture is withdrawn and its weight deter...
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WO/2021/074627A1 |
Use of a compound of Formula 1 in a nonaqueous battery electrolyte formulation (1) wherein each R1 to R4 is selected from the group consisting of F, Cl, H, CF3, and C1 to C6 alkyl which may be at least partially fluorinated, wherein at l...
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WO/2021/060263A1 |
The present invention pertains to a method for producing propylene oxide, the method including: supplying a peroxide-containing liquid and propylene to a fixed bed reactor filled with a catalyst to produce propylene oxide; stopping the s...
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WO/2021/054224A1 |
Provided is a method for efficiently producing 1,3,5-tris(3,4-epoxycyclohexanecarbonyloxy)cyclohexane having a low chlorine content. This epoxy compound production method comprises a step 1 of generating a compound represented by formu...
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WO/2021/047043A1 |
A system and a process for preparing propylene oxide based on micro-interface enhanced propylene epoxidation, comprising: a reactor, a micro-interface generator, and a reflux pipe. By means of breaking propylene gas to form micron-scale ...
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WO/2021/048212A1 |
The invention relates to an improved process for preparing epoxides from aldehydes or ketones by reacting a ketone or aldehyde with at least one sulfonium salt, and to sulfonium salts that can be used in the process according to the inve...
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WO/2021/047055A1 |
Provided in the present invention are an etherification-free system and process for preparing epoxypropane by strengthening propylene epoxidation, relating to the technical field of preparing epoxypropane by propylene epoxidation. The sy...
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WO/2021/047046A1 |
Disclosed are a microinterface-enhanced system and process for preparing ethylene oxide from ethylene. The microinterface-enhanced system comprises a chlorohydrination reaction unit, a chlorohydrination reaction unit, a saponification re...
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WO/2021/036238A1 |
Disclosed are a composite absorbent and a method for using same in the absorption and conversion of ethylene oxide for the coupling co-production of ethylene carbonate. The composite absorbent comprises an ionic liquid and ethylene carbo...
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WO/2021/021366A1 |
Processes and systems for producing olefin epoxides with more than three carbon atoms by oxidation of the corresponding branched hydrocarbons using oxygen are disclosed. The process for producing olefin epoxides includes oxidizing a bran...
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WO/2020/259245A1 |
The present invention relates to the field of epoxide synthesis. More specifically, the present invention relates to a safe, environmentally friendly and controllable process for synthesizing a diepoxide. The process for synthesizing the...
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WO/2020/248695A1 |
Discloses are an alkali metal ion-modified titanium silicon molecular sieve TS-1 for a gas phase epoxidation reaction of propylene and hydrogen peroxide, and a preparation method therefor, wherein same belongs to the technical field of p...
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WO/2020/248694A1 |
An alkali metal ion-modified titanium silicon molecular sieve for a gas phase epoxidation reaction between propylene and hydrogen peroxide, and the preparation method therefor, which relates to the field of petrochemical technology. The ...
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WO/2020/248696A1 |
A fluidized reaction method for synthesizing propylene oxide by the gas phase epoxidation of propylene and hydrogen peroxide, which relates to a titanium silicate molecular sieve TS-1 catalyst modified by micro-spherical alkali metal ion...
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WO/2020/241052A1 |
A method for producing an epoxide using a titanium-containing silicon oxide catalyst that can be produced using a mold agent that is a mixture of a specific quaternary ammonium compound and a specific tertiary amine compound.
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WO/2020/223267A1 |
The present invention relates to compound of formula (I), wherein R1 is chloro, bromo iodo or a brosylate group. The present invention also relates to methods of making this compound and its use in carrying out organic transformations.
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WO/2020/221683A1 |
A chemical molding comprising a zeolitic material which exhibits a type I nitrogen adsorption/desorption isotherm determined as described in Reference Example 1, and which has framework type MFI and a framework structure comprising Si, O...
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WO/2020/216034A1 |
Provided are an intermediate which can be used for synthesizing halichondrin B, eribulin or an analogue thereof, in particular a C27-C35 structure fragment thereof, a preparation method therefor and use thereof. The starting raw material...
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WO/2020/213526A1 |
Provided is an alicyclic epoxy compound product that is to be used for forming a cured product having high transparency and excellent heat resistance. In the alicyclic epoxy compound product according to the present disclosure, the purit...
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WO/2020/201591A1 |
The present invention relates to a catalytic system comprising an inorganic support and nickel nanoparticles dispersed on the inorganic support, wherein the catalytic system does not have noble metals and the nickel is in a proportion of...
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WO/2020/200952A1 |
The present invention pertains to a process for preparing 3-hydroxy-3-methylbutyrate (HMB) or a salt thereof, the method comprising (a) reacting isobutylene oxide with cyanide in order to obtain 3- hydroxy-3-methylbutyronitrile, and (b) ...
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WO/2020/195733A1 |
[Problem] To provide a novel epoxy resin that relates to an epoxy resin containing 3,3'-diglycidylbiphenyl-4,4'-diglycidylether (formula (1)), and that can be handled as a solid in an ordinary state, and that has excellent modulus of ela...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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, ...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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...
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