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WO/2022/152608A1 |
The invention relates to a process for decomposing nitrous oxide from a gas stream (1), com- prising: (a) heating the gas stream (1) and splitting the gas stream (1) into at least two partial streams (3, 5) or splitting the gas stream (1...
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WO/2022/152605A1 |
The invention relates on a process for working-up a nitrous oxide comprising off-gas stream from a production process of adipic acid by decomposing the nitrous oxide contained in the off- gas stream into nitrogen and oxygen in a fixed be...
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WO/2022/150016A1 |
The present invention relates to processes for depolymerizing a polyester of a dicarboxylic acid and for hydrolyzing a diester of terephthalic acid in the presence of a first base and a solvent mixture into a mono-salt of a monoester of ...
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WO/2022/149161A1 |
The present application relates to a process for preparation of Bempedoic acid of formula (I) or its pharmaceutically acceptable salts thereof. The present application also relates to a novel intermediates of formula (II) and formula (II...
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WO/2022/148162A1 |
The present invention provides a reaction device, comprising a reaction kettle, a circulating fluid stirring part, and a raw material gas distribution stirring part. The gas distribution stirring part comprises at least one gas distribut...
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WO/2022/148797A1 |
Process for preparing potassium oxalate which process comprises contacting potassium formate with a base catalyst at a temperature of from 140 to 260°C which base catalyst is a metal hydride.
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WO/2022/149532A1 |
Provided are a lignin-degrading catalyst that has exceptional properties for degrading lignin and that readily isolates lignin after a degradation reaction, a method for manufacturing the lignin-degrading catalyst, and a method for degra...
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WO/2022/141739A1 |
A method for producing α-calcium sulfate hemihydrate whiskers by using a fermentation liquor for producing lactic acid by means of a calcium salt method as a raw material, and synchronously recovering a lactic acid monomer. The method c...
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WO/2022/143252A1 |
Disclosed is a preparation method for a pharmaceutical composition, which is a method for obtaining a spray powder of effective sites extracts by subjecting erigeron breviscapus, ginseng, radix ophiopogonis, and fructus schisandrae to an...
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WO/2022/143251A1 |
The present invention belongs to the pharmaceutical field, and disclosed is a pharmaceutical composition containing Erigerontis herba, Ginseng radix et rhizoma, Ophiopogonis radix and a Schisandrae chinensis fructus extract. The pharmace...
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WO/2022/142326A1 |
A reaction system for refining crude terephthalic acid by hydrogenation, comprising: a hydrogenation reactor, wherein a hydrogen micro-interface generator for dispersing and breaking hydrogen is provided inside the hydrogenation reactor;...
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WO/2022/141805A1 |
An application of a crotonic acid salt in the preparation of a drug for treating a heart disease. A crotonic acid salt preparation and a method for preparing same. The method is characterized by comprising: mixing a crotonic acid solutio...
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WO/2022/133719A1 |
Relates to a method for producing glycolic acid by selectively hydrogenating glyoxylic acid using a catalyst comprising at least one transition metal element, the glycolic acid produced, as well as the uses thereof.
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WO/2022/135433A1 |
A method for producing glycolic acid by selectively hydrogenating glyoxylic acid using a catalyst comprising at least one transition metal element, the glycolic acid produced, as well as the uses thereof.
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WO/2022/136346A1 |
The invention relates to ferulic acid granules and the production method thereof. The invention is suitable for use in paritcular in the fields of food, cosmetics and flavours.
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WO/2022/135330A1 |
Disclosed is a method for preparing a pharmaceutical composition. The method comprises extracting and refining Erigerontis herba, Ginseng radix et rhizoma, Ophiopogonis radix and Schisandrae chinensis fructus to obtain a spray-dried powd...
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WO/2022/136227A1 |
There is provided a method for preparing homofarnesol (1), the method comprising the steps of: a) providing homofarnesylnitrile (2); b) reacting homofarnesylnitrile (2) to homofarnesic acid (3); and c) reacting homofarnesic acid (3) to h...
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WO/2022/133560A1 |
The present invention relates to a synthetic-silica catalyst used in a heterogeneous catalysis method for the effective conversion of residual glycerin resulting from the production of biodiesel into formic acid with high selectivity and...
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WO/2022/138659A1 |
Provided is a method for producing a fluorovinyl ether compound capable of suppressing the generation of by-products. The method for producing a fluorovinyl ether compound of the present invention is a method for producing a fluoroviny...
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WO/2022/134385A1 |
The present invention relates to the technical field of agricultural chemicals and preparation. Specifically, disclosed is a purification method for 4"-(s)-methylamino abamectin B2a benzoate. The purification method comprises the followi...
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WO/2022/140749A1 |
The present disclosure relates to methods and systems for decarboxylation of amino acids. In particular, such methods and systems can employ an organocatalyst to provide favorable reaction conditions.
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WO/2022/133033A1 |
Provided herein are methods and catalysts for the production of hexoses, pentoses, tetroses, trioses, ketoses, heptoses, aldehydes, glycolaldehyde, and glyceraldehyde from carbon dioxide using a system that does not rely on biological pr...
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WO/2022/131073A1 |
Provided is a hydroxyalkanoic acid crystal production method characterized by including a step for freeze-drying a solution containing hydroxyalkanoic acid, and (1) the content of an R-body being 95-100 mass% or more, or (2) the content ...
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WO/2022/128834A1 |
The present invention relates to a process for the recovery of a light boiler and a heavy boiler from a vapor stream, wherein the process comprises the steps of A1) introducing a vapor stream (1) 5 comprising a light boiler and a heavy b...
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WO/2022/132694A1 |
A system for glucaric acid production, the system comprising: (a) a first input selected from the group consisting of glucuronolactone, a disaccharide feedstock, a cleaved starch, a disaccharide, glucuronic acid, or a combination thereof...
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WO/2022/132443A1 |
A method for preparing methacrylic acid from methacrolein. The method comprises contacting a liquid mixture comprising methacrolein and water in the presence of oxygen with a heterogeneous catalyst comprising a support and gold; wherein ...
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WO/2022/129072A1 |
The present invention relates to a particulate composition having a volume weighted average diameter D4,3 of 20-180 µm and comprising at least 50 wt.% of malate particles, said malate particles comprising at least 70 wt.% of co-crystal ...
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WO/2022/132442A1 |
A method for preparing acrylic acid from acrolein. The method comprises contacting a liquid mixture comprising acrolein and water in the presence of oxygen with a heterogeneous catalyst comprising a support and gold; wherein the support ...
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WO/2022/127550A1 |
Disclosed are hydrogenation catalysts and a method for benzoic acid hydrogenation reaction. The hydrogenation catalysts comprise a carrier, and an active component, auxiliary component and alkali metal element that are loaded on the carr...
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WO/2022/122522A1 |
An aspect of the disclosure relates to a method for a reversible chemical storage of hydrogen. Said method comprises a hydrogenation step in which hydrogen is converted into at least formic acid in the presence of a hydrogenation catalys...
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WO/2022/120615A1 |
Provided is a production process for fumaric acid. The production process comprises the following steps: carrying out a decoloration treatment by using activated carbon, filtering, and adding same into a reaction kettle; carrying out a f...
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WO/2022/121661A1 |
Disclosed in the present invention is an organic acid lithium amino acid salt. The organic acid lithium is one or more of lithium isobutyrate, lithium n-butyrate, lithium lactate, lithium citrate or lithium cholesterol; the amino acid is...
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WO/2022/125736A1 |
Disclosed herein is a process for making a compound of formula (2) by (hetero)aromatic C-H hydroxylation of a compound of formula (1): catalyzed by palladium(II) and a bidentate ligand in the presence of O2. The process is useful for ins...
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WO/2022/119707A1 |
A process for preparing C2 to C4 carboxylic acids from synthesis gas includes introducing a feed stream comprising hydrogen gas and a carbon-containing gas comprising carbon monoxide into a reaction zone of a first reactor, converting th...
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WO/2022/116243A1 |
Provided is a method for preparing isononanoic acid: using isononyl alcohol as a raw material and using a hydrogen peroxide solution as an oxidant, adding a pro-oxidant and a phase transfer catalyst, and performing one-step oxidation und...
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WO/2022/119792A1 |
Disclosed is a process for preparing 2,2,4,4-tetramethylcyclobutane- 1,3-diol by reacting 2,2,4,4-tetramethylcyclobutanedione with isobutanol in the presence of a tandem transfer hydrogenation and Tischenko reaction catalyst.
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WO/2022/117670A1 |
The present invention relates to a method for producing frambinone, comprising a step of condensing phenol and glyoxylic acid.
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WO/2022/118148A1 |
Polyester-free cotton is obtained from a fabric and/or fibers containing polyester and cotton by reacting the fabric and/or fibers with an amine organocatalyst and/or carboxylic acid salt of same and an alcohol solvent. The reaction, whi...
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WO/2022/119125A1 |
A process for preparing acrylic acid of the present application comprises: a first step of adding (or not adding) a first absorbent to a reaction product of a bio-material and cooling the reaction product to separate a first low-boiling-...
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WO/2022/119126A1 |
The present application relates to a process for producing acrylic acid.
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WO/2022/119127A1 |
The present invention provides a method for producing acrylic acid, wherein the method for producing acrylic acid comprises the steps of: feeding lactic acid to a reactor and preparing a reaction product containing acrylic acid by a dehy...
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WO/2022/119123A1 |
The present application relates to a process for producing acrylic acid, wherein the process comprises a first step and a second step in which a first absorbent is added to a reaction product of a bio-material and cooled to separate a fi...
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WO/2022/118309A1 |
A process for the preparation of cis-2-alkenoic acid or an alkali metal salt thereof, comprising rearranging 1,3-dibromo- 2-alkanone in an alkaline environment in the presence of a catalytically effective amount of an alkali metal salt o...
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WO/2022/115973A1 |
Disclosed are methods for precipitation of CBDA-amine salts and THCA-amine salts from concentrated crude complex extracts. The crude complex extracts may be recovered from cannabis biomass or fermentation systems wherein microorganisms w...
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WO/2022/117439A1 |
Method for isolating carboxylic acid from an aqueous alkali metal carboxylate-containing side stream, e.g., the aqueous side stream of an organic peroxide production process, with co-production of alkali metal salt, involving adding an a...
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WO/2022/117111A1 |
Disclosed are a salt of a pyrrolopyrimidine compound, a crystalline form thereof, and an application thereof. Specifically provided are a crystal form of the compound represented by the formula I, a salt thereof, and a hydrate of the sal...
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WO/2022/110821A1 |
Disclosed are a carboxylic acid compound as represented by formula I, a preparation method therefor and the use thereof. When the carboxylic acid compound is used as an extraction agent for the extraction and separation of metal ions, th...
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WO/2022/114545A1 |
The present application relates to a process for producing acrylic acid.
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WO/2022/114546A1 |
The present application relates to a process for producing acrylic acid.
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WO/2022/109716A1 |
It is provided a process of converting syngas resulting from the gasification of a carbonaceous material into acetic acid and acrylic acid comprising converting the syngas into methanol and separating the methanol into a first and second...
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