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WO/2024/076125A1 |
The present invention provides a method for preparing an ester-based composition that can improve heat transfer performance, reactor productivity, and total reactor productivity through control of operating conditions when producing an e...
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WO/2024/076522A1 |
Primarily monounsaturated triglyceride-containing, biologically-derived oils and methods for producing them from triglyceride-containing seed oils are produced by converting polyunsaturated triglyceride feedstocks into mono-unsaturated f...
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WO/2024/071915A1 |
A polymerization raw material comprising recycled bis(2-hydroxyethyl) terephthalate in which the content of an acetate-based ester compound and a diethylene glycol ester compound have been adjusted to a specific level, the polymerization...
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WO/2024/071035A1 |
The present invention prevents ignition and explosion in a connecting pipe. A regeneration system 1 in the present invention comprises: a thermal decomposition apparatus 10 for thermally decomposing scraps of molded bodies obtained by ...
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WO/2024/071421A1 |
Provided is a method for producing 2-O-trans-caffeoylhydroxycitric acid, the method including a step in which coriander is immersed in a polar solvent to extract 2-O-trans-caffeoylhydroxycitric acid with the polar solvent.
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WO/2024/066532A1 |
A method for preparing a diester by oxidative carbonylation of an olefin and carbon monoxide, which comprises the following steps: carrying out an oxidative carbonylation reaction on olefin and carbon monoxide in an oxygen-containing atm...
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WO/2024/071036A1 |
The present invention addresses the problem of preventing the blockage of pipes and preventing combustion and explosion. The present invention relates to a regeneration system 1 that is for regenerating methyl (meth)acrylate from scrap...
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WO/2024/060641A1 |
The present invention provides a cyclotriarylphosphine ligand represented by general formula (I), and a method for preparing same. The present invention also provides a complex of palladium in coordination with the cyclotriarylphosphine ...
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WO/2024/062008A1 |
The present invention relates to the field of organic synthesis. More particularly, it provides a continuous process for the transesterification of a compound comprising at least one C1-4 carboxylic ester group in a presence of a C1-4 al...
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WO/2024/063093A1 |
The purpose of the present invention is to provide an ester-compound-containing composition that has excellent storage stability and a method for producing the same, and methods for producing a polymerizable composition and a (meth)acryl...
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WO/2024/056890A1 |
The production method comprises the steps of: • - pyrolyzing the feed material in a pyrolysis reactor (4) so as to generate a gas stream, the feed material travelling from an inlet of the pyrolysis reactor (4) to an outlet of the pyrol...
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WO/2024/059331A1 |
The present application discloses an erythritol analog of phenylbutyrate, and compositions including same. Also disclosed are methods of using the erythritol analog of phenylbutrate.
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WO/2024/057790A1 |
A method for manufacturing a catalyst for manufacture of vinyl acetate, the catalyst containing a carrier, copper, palladium, gold, and an acetate, wherein the method comprises, in the following order: step 1) a step for impregnating the...
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WO/2024/057789A1 |
A method for producing a catalyst for vinyl acetate production comprising a support, copper, palladium, gold, and an acetic acid salt, the method comprising, in the following order, step 1, in which an alkali solution is infiltrated into...
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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/2024/052346A1 |
Subject matter of the present invention is a method for the production of fatty alcohols from alternative, renewable natural raw materials, the use of the fatty alcohols to produce surfactant intermediates or surfactants and a fatty alco...
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WO/2024/053545A1 |
The present invention addresses the problem of realizing a high recovery rate even when the raw material supply rate is particularly high. The present invention pertains to a regenerated methyl(meth)acrylate production method comprisin...
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WO/2024/053502A1 |
The present invention provides: a method for producing an α-chloroacrylic acid ester with excellent productivity or the like; and the like. The present invention discloses a method for producing a compound that is represented by formula...
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WO/2024/053955A1 |
According to a method for producing bis(2-hydroxyethyl)terephthalate by recovering and reusing ethylene glycol with an acetate removed, after the glycolysis of a waste polyester, an acetate is not concentrated even though ethylene glycol...
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WO/2024/050894A1 |
A synthesis method for tetraoctyl pyromellitate. The synthesis method comprises: feeding pyromellitic acid and isooctyl alcohol as raw materials into an esterification reaction kettle, adding a catalyst, i.e. B2O3/ZrO2-Al2O3 thereto, hea...
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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/2024/048703A1 |
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/2024/045034A1 |
Disclosed in the present invention is a method for dehydrogenation esterification of an aryl phenol and an aromatic aldehyde by means of a light/nickel dual-catalysis system in the absence of an oxidant and an external photosensitizer. S...
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WO/2024/042132A1 |
The present invention relates to a method for preparing 4-hydroxy-2-methylene-butanal, 4-hydroxy-2-methyl-but-2-enal and esters thereof of the formula( I.a) and (I.b) where R1 is as defined in the claims and the description, by subjectin...
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WO/2024/042131A1 |
The present invention relates to a method for preparing 4-hydroxy-2-methylene- butanal, 4-hydroxy-2-methyl-but-2-enal and esters thereof of the formula (I.a) and (I.b) where R1 is as defined in the claims and the description, by subjecti...
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WO/2024/039113A1 |
According to the present invention, bis(glycol)terephthalate can be prepared by a transesterification reaction of glycol and bis(2-hydroxyethyl)terephthalate and then introduced to a polymerization reaction to increase the content of rec...
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WO/2024/039409A1 |
A method of deconstructing polymer waste into at least one useful breakdown product, wherein the polymer waste contains at least one condensation polymer, the method comprising contacting the polymer waste with a catalyst comprising an o...
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WO/2024/036241A1 |
Processes for producing a linear internal olefin product include the steps of contacting an olefin feed containing C10-C20 vinylidenes and a C10-C20 normal alpha olefin and/or C10-C20 linear internal olefins, a first acid catalyst, and a...
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WO/2024/034609A1 |
[Problem] To provide: a polyester decomposition method capable of decomposing polyester and polyester contained in various polyester-containing materials into monomers by a simple process at a low temperature of 150°C or less; a polyest...
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WO/2024/033283A1 |
The invention relates to a process for continuous production of n-butyl (meth)acrylate by reaction of (meth)acrylic acid with n-butanol in the presence of an acidic catalyst and a polymerisation inhibitor, comprising the steps, according...
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WO/2024/033330A1 |
The invention relates to a method for the production of a monomer from a feed material containing a polymer of which the monomer is a constituent, the production method comprising the steps of: - depolymerizing the feed material to obtai...
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WO/2024/034666A1 |
A ruthenium complex according to one aspect of the present disclosure is represented by general formula (1). In general formula (1), R1 represents a hydrogen atom, a phenyl group, or a monovalent substituent which is obtained by substitu...
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WO/2024/033149A1 |
The invention relates to a distillation plant for polymerisable substances, comprising a rectifier column (1) having a bottom evaporator (2) and a vapour condenser (3), wherein a heat pump circuit fluidically connects both the bottom eva...
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WO/2024/033279A1 |
The invention relates to a method for continuously producing n-butyl(meth)acrylate by reacting (meth)acrylic acid with n-butanol in the presence of an acid catalyst and a polymerization inhibitor. In a first embodiment, the method has th...
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WO/2024/028748A1 |
Process for purifying bis (2-hydroxyethyl) terephthalate (BHET) from a crude solution, obtained from the depolymerization of a polyethylene terephthalate (PET) waste containing at least one barrier-polymer by glycolysis with ethylene gly...
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WO/2024/030736A1 |
Processes and facilities for producing several types of recycled content organic chemical compounds from waste plastic. Processing schemes are described herein for converting waste plastic (or hydrocarbon having recycled content derived ...
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WO/2024/030440A1 |
Disclosed herein is a process for the acetoxylation of olefins in a gaseous reaction stream containing an olefin, acetic acid, and an oxygen-containing gas. The process comprises passing a reaction gas over at least two fixed catalyst zo...
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WO/2024/030751A1 |
Processes and facilities for producing a recycled content organic chemical compound directly or indirectly from waste plastic. Processing schemes are described herein for converting waste plastic (or hydrocarbon having recycled content d...
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WO/2024/029525A1 |
Provided is a novel method for producing a fluorinated organic compound. The production method is a method for producing a fluorine adduct of a compound represented by formula (1) (in the formula, R1, R2, and n have the same meanings as ...
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WO/2024/023133A1 |
A process to catalyse a chemical reaction to obtain a product, said process comprising the step of reacting a metal or acid catalyst in a solid state, a substrate and a liquid medium, said liquid medium comprising a liquid metal or a liq...
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WO/2024/022667A1 |
A method for purifying a fatty acid isopropyl ester comprising the following steps: a) providing a crude fatty acid isopropyl ester composition containing a fatty acid isopropyl ester to be purified, at least one fatty acid and optionall...
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WO/2024/023154A1 |
Described herein are methods for making intermediates in the production of fragrance ingredients starting from β-farnesene via a mixture comprising an epoxide of Formula (III) and an epoxide of Formula (IV) as defined herein. In particu...
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WO/2024/025238A1 |
The present invention relates to a methyl formate continuous preparation method and, specifically, to a methyl formate continuous preparation method enabling an eco-friendly methyl formate to be prepared by causing a reaction with a CO2-...
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WO/2024/017170A1 |
A S-(-)-nicotine(-)-dibenzoyl-L-tartrate crystal form, a preparation method and a use. The preparation method comprises: respectively dissolving S-(-)-nicotine and (-)-dibenzoyl-L-tartaric acid in solvents, adding the (-)-dibenzoyl-L-tar...
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WO/2024/019689A1 |
The invention relates to a method for producing polyols (oleopol, oleomilk) from renewable resources.
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WO/2024/018918A1 |
Provided is a resin material which is highly soluble in solvents and which nevertheless exhibits a low permittivity and a low dielectric loss tangent and has high heat resistance. The resin material is a polyfunctional vinyl resin repr...
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WO/2024/013382A1 |
It relates to a process for preparing a compound of formula (I), or a pharmaceutically or a cosmetically acceptable salt thereof, or a stereoisomer of any of them, wherein: R' is selected from the group consisting of H, (C1-C6)-alkyl, an...
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WO/2024/014801A1 |
The present invention relates to a method for preparing sapienic acid and an ester thereof, sapienic acid being a major component of sebum and having antibacterial, antifungal, and antiviral activity. Sapienic acid has conventionally bee...
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WO/2024/014723A1 |
The present invention relates to a method for producing bis-2-hydroxyethyl terephthalate, the method comprising the steps of: (1) adding a waste polyester raw material into a co-extruder to obtain a co-extrudate; (2) adding the co-extrud...
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WO/2024/014448A1 |
According to the present invention, in the presence of a hydrolysis catalyst, a fluorene-containing resin having a fluorene skeleton and an ester bond and/or a carbonic acid ester bond is reacted with carbonic acid ester to decompose the...
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