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WO/2022/167284A1 |
In a process for the epoxidation of propene, comprising reacting propene with hydrogen peroxide in the presence of a methanol solvent and a shaped titanium zeolite epoxidation catalyst in a fixed bed reactor, recovering methanol from the...
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WO/2022/165165A1 |
Non-naturally occurring compositions comprising tetrahydrocannabinol (THC) and limonene and their use for treating THC-induced anxiety and/or paranoia are disclosed.
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WO/2022/161924A1 |
An epoxidation catalyst comprising silver, cesium, rhenium and tungsten deposited on an alumina support, wherein the catalyst comprises 20 to 50 wt.-% of silver, relative to the weight of the catalyst, an amount of cesium Ccs of at least...
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WO/2022/155779A1 |
A preparation process for epichlorohydrin. The process involves the following steps: (1) a chlorination reaction, wherein glycerol and hydrogen chloride gas are transported to a reaction kettle for a chlorination reaction; and (2) a cycl...
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WO/2022/155781A1 |
A dechloridation method for residual liquid of a dichloropropanol finishing tank in manufacturing epichlorohydrin, belonging to the technical field of the manufacture of epichlorohydrin. The technical solution thereof comprises: using an...
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WO/2022/149468A1 |
Provided is a bisphenol AF-type diglycidyl ether represented by formula (1), wherein an abundance ratio of the bisphenol AF-type diglycidyl ether having n≥1 is less than 30 mass%. (In formula (1), R1-R8 are each independently a hydroge...
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WO/2022/144866A1 |
A process for the epoxidation of ethylene comprising:contacting an inlet feed gas comprising ethylene, oxygen and one or more reaction modifiers consisting of organic chlorides with an epoxidation catalyst comprising a carrier, and havin...
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WO/2022/134675A1 |
Disclosed are a zirconium-based gold catalyst for a propylene epoxidation reaction and a preparation method therefor. The catalyst uses zirconium-based materials as the support, including ZrO2and a zirconium silicon molecular sieve. Afte...
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WO/2022/135564A1 |
Provided are a system and method for preparing epoxy chloropropane. In the present invention, the epoxy chloropropane product and water vapor are evaporated from a reaction system in the form of an azeotrope by means of water vapor strip...
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WO/2022/105250A1 |
A porous polymer, and a catechol-derived porous polymer and a catechol-derived porous polymer-supported high-spin monatomic iron catalyst prepared on the basis of the porous polymer. Further disclosed are a method for preparing the catal...
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WO/2022/083082A1 |
The present invention provides a method for preparing bicalutamide intermediate 2, comprising the following steps: dissolving N-[4-cyano-3-(trifluoromethyl)phenyl]-2-methacrylamide in a lower fatty acid ester solvent, successively adding...
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WO/2022/057931A1 |
The present invention provides a continuous synthesis process and a continuous reaction device for epichlorohydrin. The continuous synthesis process comprises placing hydrogen peroxide, methanol, chloropropene, and a catalyst into a reac...
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WO/2022/052067A1 |
Disclosed are a metal organic framework material MIL-125, a preparation method therefor, and the use thereof. The metal organic framework material MIL-125 is a round-cake-shaped crystal block; and the external specific surface area there...
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WO/2022/049638A1 |
[Problem] To provide a method for producing ethylene oxide, said method being capable of reducing the emission amount of carbon dioxide. [Solution] A method for producing ethylene oxide, said method comprising: an ethylene oxide producti...
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WO/2022/032945A1 |
The present application relates to the technical field of photolithography, and specifically relates to a bisphenol A derivative, a preparation method therefor, and an application thereof in photolithography. The compound provided has a ...
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WO/2022/036040A1 |
Methods, compositions, and kits are provided for synthesizing bioactive chromane, the method including: constructing a tertiary ether stereocenter enantioselectively by catalyzed alkynylation of a substituted chromenone to obtain a chrom...
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WO/2022/030622A1 |
The present invention provides a method which can produce an intermediate of an azole derivative at lower cost than an existing production method. The method is for producing a compound represented by general formula (IV) and includes a ...
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WO/2021/260185A1 |
A tableted catalyst support, characterized by an alpha-alumina content of at least 85 wt.-%, a pore volume of at least 0.40 mL/g, as determined by mercury porosimetry, and a BET surface area of 0.5 to 5.0 m2/g. The tableted catalyst supp...
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WO/2021/260182A1 |
A process for producing a porous alpha-alumina catalyst support, comprising i) preparing a precursor material comprising, based on inorganic solids content, at least 50 wt.-% of a transition alumina having a loose bulk density of at most...
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WO/2021/260138A1 |
A shaped catalyst body for producing ethylene oxide by gas-phase oxidation of ethylene, having a BET surface area in the range of 2 to 20 m2/g and comprising silver and a rhenium promotor deposited on a porous alpha-alumina catalyst supp...
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WO/2021/260140A1 |
A porous alpha-alumina catalyst support is prepared by (i) preparing a precursor material comprising a boehmitic-derived alumina having a pore volume of at least 0.6 mL/g, wherein the boehmitic-derived alumina is obtained by thermal deco...
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WO/2021/259427A1 |
The invention relates to a porous catalyst-support shaped body, comprising at least 85 wt.% alpha-aluminium oxide. The support has a total pore volume in the range of 0.5 to 2.0 mL/g, as determined by mercury porosimetry, and a pore stru...
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WO/2021/247667A1 |
A method for making a monomer includes reacting an alkanol-substituted phenol with epihalohydrin in the presence of a phase transfer catalyst at a temperature of 50 °C or lower to produce a first intermediate product. The method further...
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WO/2021/226845A1 |
The present application provides a chelating agent, a cleaning agent and a method for preparing the chelating agent. The chelating agent has a general structural formula as shown in formula (I), wherein: R1, R2, R3 and R4 are alkyl group...
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WO/2021/223289A1 |
Provided are a cylindrical porous carrier and a method for preparing same, and a catalyst and the application thereof. A carrier layer (2) of the cylindrical porous carrier is configured to be corrugated or honeycomb-shaped, such that th...
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WO/2021/207605A1 |
Methods and instrumentation for converting cannabidiol (CBD) and CBD-like compounds to other naturally-occurring or synthetic cannabinoids, such as THC, CBN and/or CBC, which processes may be solvent-free, Generally, the conversion of CB...
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WO/2021/195746A1 |
Electrosynthesis of oxirane can include contacting a halide electrolyte with an anode and cathode respectively located in anodic and cathodic compartments; supplying olefin reactants into the electrolyte in the anodic compartment, such t...
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WO/2021/200511A1 |
A compound represented by formula (1). (In the formula, R1 and R3 each independently represent a hydrogen atom or a methyl group, R2 represents a C1-10 alkyl group, a C1-10 alkoxy group, a halogen atom, a benzoyl group capable of having ...
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WO/2021/191876A1 |
Methods for the synthesis of methyl 2-fluoroacrylate (MFA) are provided. The methods include use of various hydrofluorination agents using a variety of starting materials and reaction schemes. The methyl 2-fluoroacrylate prepared by the ...
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WO/2021/194380A1 |
The invention relates to a method for producing a crystalline form of calcium cis-2,3-epoxysuccinate using a seed crystal that is a crystalline form of calcium cis-2,3-epoxysuccinate, the crystals of which belong to the Р21/n space grou...
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WO/2021/194384A1 |
The invention relates to the field of producing metal carboxylates. In particular, the present invention relates to the crystalline form of calcium cis-2,3-epoxysuccinate (salt of 2,3-epoxy-1,4-butanedioic acid) and a method for the prod...
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WO/2021/194381A1 |
The invention relates to a method for producing a fine crystalline form of calcium cis-2,3-epoxysuccinate which can be used as a seed crystal for producing a crystalline form of calcium cis-2,3-epoxysuccinate and a feedstock for producin...
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WO/2021/191414A1 |
A process for producing a silver-based epoxidation catalyst, comprising i) impregnating a particulate porous refractory support with a first aqueous silver impregnation solution comprising silver ions and an aminic complexing agent selec...
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WO/2021/194379A1 |
The invention relates to the field of producing metal carboxylates. More particularly, the invention relates to the field of producing a novel crystalline form of calcium cis-2,3-epoxysuccinate (a salt of 2,3-epoxy-1,4-butanedioic acid) ...
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WO/2021/191134A1 |
The invention relates in a first aspect to a process for the preparation of propylene oxide, comprising: (i) providing a reaction mixture comprising propylene, water, organic solvent, and hydrogen peroxide; (ii) contacting the reaction m...
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WO/2021/194383A1 |
The invention relates to the field of producing metal carboxylates. More particularly, the invention relates to the field of producing a novel crystalline form of calcium cis-2,3-epoxysuccinate (a salt of 2,3-epoxy-1,4-butanedioic acid) ...
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WO/2021/188613A1 |
Presently described are methods for preparing glycidyl esters. The methods described herein provide quantitative conversion of carboxylic acid substrates to halohydrin intermediates using a small excess of epihalogenhydrin and performing...
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WO/2021/183392A1 |
An ethylene oxide (EO) production process comprising (a) introducing a first reactant mixture (C2H6,C2H4,O2) to a first reactor system to produce a first effluent stream (C2H4,C2H6,O2), wherein the mole fraction of ethylene in first effl...
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WO/2021/183390A1 |
An ethylene oxide (EO) production process comprising (a) introducing a first reactant mixture (C2H6, O2) to a first reactor to produce a first effluent stream (C2H4,C2H6,O2); (b) introducing a second reactant mixture to a second reactor ...
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WO/2021/183391A1 |
An ethylene oxide (EO) production process comprising (a) introducing a first reactant mixture (C2H6,C2H4,O2) to a first reactor to produce a first effluent stream (C2H4,C2H6,O2), wherein the mole fraction of ethylene in first effluent st...
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WO/2021/157596A1 |
A curable composition including a first compound, which has a group represented by general formula (x) and an epoxy group and has a molecular weight of 1,000 or lower. In general formula (x), Rf1 and Rf2 each independently represent a fl...
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WO/2021/151669A1 |
The invention relates to a catalyst arrangement for preparation of ethylene oxide from ethanol, comprising a first catalyst [1] which is suitable for dehydration of ethanol to ethylene and is in direct fluid connection to a second cataly...
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WO/2021/151670A1 |
The invention relates to a catalyst arrangement for preparation of ethylene oxide from ethanol, comprising a first catalyst which is suitable for dehydration of ethanol to ethylene and is in fluid connection to a second catalyst suitable...
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WO/2021/142635A1 |
Disclosed are a method for preparing a catalyst for epoxidation of propylene and the use thereof. During the preparation, a catalyst for epoxidation of propylene is obtained by mixing a formulated alkoxide solution of active components a...
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WO/2021/144753A1 |
A catalyst material for oxidative dehydrogenation (ODH) comprising molybdenum, vanadium, oxygen, and an element chosen from iron, aluminum, and beryllium is provided. The product stream from an ODH reactor (202) is directed to a quench t...
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WO/2021/132764A1 |
The present invention relates to a method for separating and purifying fucoxanthin from diatoms, and provides the optimal method for separating and purifying fucoxanthin from adhesive diatoms collected from Yong Am sea water on the South...
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WO/2021/128063A1 |
A deep oxidation olefin catalyst, a preparation method therefor and an application thereof, which relate to a method for catalyzing the deep oxidation of carbon-carbon double bonds in unsaturated organic compounds and further relate to a...
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WO/2021/129377A1 |
A method for treating byproduct hydrogen chloride in a fluorine-containing olefin production process, comprising the following steps: (1) reacting hydrogen chloride with glycerol in fluorine-containing olefin cracking gas under the actio...
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WO/2021/123214A1 |
The present invention relates to a molding comprising a zeolitic material having framework type MWW, wherein the framework structure comprises Ti, Si, and O, wherein the zeolitic material further comprises Zn and an alkaline earth metal ...
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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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