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WO/2024/097329A1 |
Systems and methods for enriching an organic acid from a fermentation broth containing residual color, salts, and carbohydrates using simulated moving bed ("SMB") chromatography to produce a high purity organic acid extract is disclosed....
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WO/2024/095104A1 |
A method of converting poly(ethylene terephthalate) to terephthalic acid includes a glycolysis step in which poly(ethylene terephthalate) is reacted with ethylene glycol in the presence of a specific catalyst, a hydrolysis step in which ...
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WO/2024/095734A1 |
This fluorine-containing heterocyclic compound production method is for obtaining a compound represented by formula (2) through intramolecular cyclization of a compound represented by formula (1). X1 represents a hydrogen atom, a fluorin...
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WO/2024/095095A1 |
Methods are provided for preparing a catalyst for oxidative dehydrogenation of ethane. An exemplary method includes forming a slurry including oxides of molybdenum, tantalum, vanadium, and tellurium. Citric acid, oxalic acid, and ethylen...
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WO/2024/097923A1 |
Provided is a first process of producing an anhydride of an organic mono-acid comprising performing a transanhydridization reaction of an organic mono-acid and a thermally regenerable anhydride to produce the anhydride of the organic mon...
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WO/2024/090534A1 |
The present invention provides: a diamine or diamine composition in which, in a diamine obtained by depolymerization of a polyamide, there is little content of an aminoalcohol compound, which is a polymerization inhibiting component; and...
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WO/2024/087362A1 |
The present application provides a quaternary precursor, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: (1) mixing a nickel source, a cobalt source, a manganese source, and an i...
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WO/2024/091566A1 |
A petroleum residue stream is heated and reacted with an oxygen stream and a carbon dioxide stream in a gasification unit to produce syngas. At least a portion of the carbon monoxide is converted into carbon dioxide to produce shifted sy...
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WO/2024/089252A1 |
A process for the manufacture of an acrylic ester selected from n-butyl acrylate and 2-ethylhexyl acrylate comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene str...
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WO/2024/091806A1 |
The application provides methods of β-methylene C (sp3)-H arylation of diverse free aliphatic acids using bidentate pyridine-pyridone ligands. Herein disclosed are the first examples of methods of Pd(II)-catalyzed intermolecular β-meth...
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WO/2024/089254A1 |
A process for the manufacture of citral comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream. The renewably-sourced ethylene stream is subjected to an olefi...
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WO/2024/085395A1 |
The present invention provides a method for preparing a hydroxyalkanoic acid and lactic acid, comprising the steps of: hydrolyzing a hydroxyalkanoate-lactide copolymer in the presence of an alkali metal salt, thereby preparing a hydroxya...
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WO/2024/084003A1 |
The invention relates to a VPO catalyst in the form of a shaped body for oxidation of hydrocarbons with molecular oxygen, especially for oxidation of butane to maleic anhydride with molecular oxygen, wherein the VPO catalyst contains 0.0...
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WO/2024/084002A1 |
The invention relates to a VPO catalyst in the form of a shaped body for the oxidation of hydrocarbons with molecular oxygen, especially for the oxidation of butane to maleic anhydride with molecular oxygen, characterized in that the VPO...
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WO/2024/083839A1 |
The current invention relates to a Method for extracting phenolic aldehydes from a lignocellulosic biomass comprising the steps of: (i) mechanochemically reacting said lignocellulosic biomass with a dry base, thereby agglomerating said l...
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WO/2024/079564A1 |
A process and a system for oxidative dehydrogenation ("ODH") of hydrocarbons are provided. An exemplary process includes contacting an ethane feed with an oxidant in the presence of an oxidative dehydrogenation catalyst in an oxidative d...
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WO/2024/077796A1 |
Disclosed is a production method for ethyl 8-chlorooctanoate in the field of medicine or pesticide manufacturing. A dual catalyst containing potassium bromide or sodium bromide and polyethylene glycol is used, and an alkylation reaction ...
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WO/2024/075010A1 |
The invention pertains to a novel photochemical reactor design, to a novel process for the manufacture of organic compounds by photo-oxidation using said novel photochemical reactor design, and in a further aspect to a related novel proc...
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WO/2024/067626A1 |
A composite, comprising: 3-hydroxybutyric acid; and one or more of potassium 3-hydroxybutyrate, or calcium 3-hydroxybutyrate, or magnesium 3-hydroxybutyrate. A composite, wherein the anion comprises 3-hydroxyvaleric acid, and the cation ...
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WO/2024/066819A1 |
Disclosed is a method for producing 3-hydroxypropionic acid and acrylic acid by means of fermentation. The present invention provides a recombinant Corynebacterium glutamicum. The aldehyde dehydrogenase gene ald of the microorganism is u...
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WO/2024/072761A1 |
A reactor for producing acrolein and/or acrylic acid from propylene comprises an inlet for propylene to enter the reactor, an outlet for reaction products to exit the reactor, and a catalyst bed disposed between the inlet and the outlet....
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WO/2024/072760A1 |
A reactor for producing (meth)acrolein and/or (meth)acrylic acid from a reactant selected from propylene, isobutylene and tert-butanol. The reactor comprises an inlet for the reactant to enter the reactor, an outlet for reaction products...
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WO/2024/068638A1 |
The present invention relates to a method (100) for producing ethylene and acetic acid, in which ethane and oxygen are subjected in a feed mixture (1) to an oxidative catalytic dehydration (110) so as to obtain a product mixture (2) cont...
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WO/2024/072204A1 |
The invention relates to a process for producing nanometre-sized metallic soaps that is implemented in three types of reactors for three different embodiments of the invention. Said process comprises the following steps: i) selecting a f...
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WO/2024/069082A1 |
The present invention relates to the production of (meth)acrylic acid by means of a method based on the use of two distillation columns (a dehydration column and a finishing column) in the absence of an external organic solvent. The inve...
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WO/2024/067085A1 |
The present invention relates to a citrate salt of a compound of formula (I). The present invention also relates to a crystal form A, a crystal form B, a crystal form C, and a crystal form D of the citrate salt of the compound of formula...
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WO/2024/063412A1 |
The present invention provides a catalyst for preparing unsaturated carboxylic acids and derivatives thereof, which can be used to produce unsaturated carboxylic acids and derivatives thereof at high yields for a long time during the deh...
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WO/2024/062474A1 |
Methods of synthesizing MOF materials are disclosed. Further, plasmonic MOF composites and uses thereof as a recyclable catalyst, for ultrafast desorption (e.g., of solvents), MOF activation are also disclosed.
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WO/2024/062701A1 |
Provided are a method for efficiently carrying out a chemical reaction, and a reaction vessel. The method comprises inserting, into a reaction vessel, a mixed solution containing a polar solute and a non-polar solute, separating the mixe...
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WO/2024/060737A1 |
Provided is a preparation process for the catalytic synthesis of 2,4-dichlorophenoxyacetic acid. Water is used as a solvent. Chloroacetic acid, sodium hydroxide or sodium carbonate, and 2,4-dichlorophenol are used as initial starting mat...
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WO/2024/058340A1 |
The present invention provides a method for preparing acrylic acid, comprising the steps of: obtaining a reaction product including lactic acid, water, light gas components, and acrylic acid, by supplying a lactic acid aqueous solution t...
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WO/2024/055337A1 |
Disclosed is a method for separating various high-purity unsaturated fatty acids in Torreya grandis seed oil. The method solves the problems of sole fraction and high cost in the prior art. The scheme disclosed herein adopts an alkali so...
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WO/2024/058338A1 |
The present invention provides a method for preparing acrylic acid, comprising the steps of: obtaining a reaction product including unreacted lactic acid, water, light gas components, and acrylic acid, by supplying a lactic acid aqueous ...
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WO/2024/056416A1 |
The present invention relates to a method for preparing a catalyst comprising at least one compound of a phosphate salt, of the M1HxPOy type, x being a fractional number between [0-2] and y being a fractional number between [3-4], with M...
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WO/2024/058339A1 |
The present invention provides a method for preparing acrylic acid, the method comprising the steps of: feeding an aqueous solution of lactic acid to a reactor, followed by dehydration, to obtain a first reaction product containing lacti...
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WO/2024/053927A1 |
The present invention pertains to a method for producing terephthalic acid in an eco-friendly manner using waste polyester. Specifically, according to an embodiment of the present invention, the method for producing terephthalic acid com...
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WO/2024/052284A1 |
The present invention relates to a method for producing α-β-unsaturated carboxylic acids by thermolysis of poly(3-hydroxyalkanoate), while limiting clogging associated with the unintentional condensation of hot α-β-unsaturated carbox...
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WO/2024/053468A1 |
A catalytic reaction method according to the present invention uses a catalyst in the presence of a solvent to react starting compounds. The solvent includes an organic solvent, an aqueous solvent, and an antioxidant. The reaction of the...
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WO/2024/052285A1 |
The present invention relates to a method for producing biobased α-β-unsaturated carboxylic acids from poly(3-hydroxyalkanoate) (P3HA) contained in biomass by extraction of the P3HA using a solvent, followed by separation of insoluble ...
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WO/2024/054881A1 |
The application discloses industry scalable methods of using bifunctional bidentate pyridone-carboxylic acid ligands, such as 2-methyl-2-(6-oxo-1,6-dihydropyridin-2-yl)propanoic acid, that enable room-temperature Pd-catalyzed C-H hydroxy...
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WO/2024/053928A1 |
The present invention relates to a method for preparing terephthalic acid, and terephthalic acid prepared therefrom. Specifically, according to one embodiment of the present invention, by including the step of hydrolyzing a compound prep...
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WO/2024/049107A1 |
The present invention provides a method for preparing (meth)acrylic acid, comprising the steps of: obtaining a (meth)acrylic acid aqueous solution by contacting a mixed gas containing (meth)acrylic acid with water in an absorption tower;...
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WO/2024/048775A1 |
Provided is a dehydrogenation/carbon dioxide hydrogenation catalyst characterized by comprising an iridium complex represented by formula (3) and having a ligand bound to a polymer support. (In formula (3), pc represents a portion of the...
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WO/2024/048703A1 |
Provided is a catalyst precursor with which it is possible to manufacture a catalyst having a high yield of an α,β-unsaturated carboxylic acid, or a catalyst molded article. The abovementioned problem is solved by: a catalyst precurs...
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WO/2024/049106A1 |
The present invention provides a method for preparing (meth)acrylic acid, the method comprising the steps of: contacting a mixed gas including (meth)acrylic acid with water in an absorption tower to obtain first and second aqueous (meth)...
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WO/2024/049105A1 |
The present invention provides a method for preparing (meth)acrylic acid, comprising the steps of: making a mixture gas, which contains (meth)acrylic acid, come in contact with water in an absorption column, thereby obtaining a (meth)acr...
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WO/2024/049103A1 |
The present invention provides a method for the preparation of a (meth)acrylic acid, the method comprising: a step for obtaining a (meth)acrylic acid aqueous solution by bringing a mixed gas containing (meth)acrylic acid into contact wit...
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WO/2024/049101A1 |
The present invention provides a method for preparing (meth)acrylic acid, the method comprising the steps of: contacting a mixed gas comprising (meth)acrylic acid with an absorption solvent in an absorption tower; supplying a first (meth...
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WO/2024/040304A1 |
The present disclosure relates generally to a method of hydrolysing a monoester terephthalate, the method comprising exposing the monoester terephthalate to a polypeptide having MHETase activity, under conditions sufficient to enable the...
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WO/2024/040783A1 |
The present invention provides a method and system for preparing acetic acid by regulating and controlling methanol carbonylation. The method comprises: producing acetic acid by using a methanol carbonylation method, and when a stable st...
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