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Matches 1 - 50 out of 78,639

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2023/250180A3
Efficient carbonylative synthesis of alkenes to form anhydrides using transition metal catalysts such as palladium-phosphine catalysts.  
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 ...  
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...  
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...  
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...  
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-...  
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...  
WO/2024/019689A1
The invention relates to a method for producing polyols (oleopol, oleomilk) from renewable resources.  
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...  
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...  
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...  
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...  
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...  
WO/2024/011156A2
Described herein are methods for producing an aryl ester or vinyl ester, the method comprising reacting an aromatic compound or an alkene with CuX2, wherein X is a carboxylate group having the formula RC(O)O-, wherein R is an alkyl group...  
WO/2024/011191A1
Polymerization inhibitor compositions are provided. The polymerization inhibitor compositions include at least a first inhibitor compound having a stable nitroxide radical or a derivative thereof, a second inhibitor compound having a phe...  
WO/2024/009998A1
Provided is a method for producing a fluorinated organic compound by fluorinating an organic compound in the presence of a fluorination composition which contains IF5, iodine and an amine and in which the iodine is contained at a quantit...  
WO/2024/005039A1
The present invention provides a method for producing a very-long-chain polyunsaturated fatty acid, the method comprising reacting a compound represented by formula II of R1-MgX1 and a compound represented by formula III of X2-(CH2)m-X i...  
WO/2024/005446A1
The present invention relates to a hybrid depolymerization method for a polymer comprising an ester functional group and, specifically, to a method comprising: using, as a reaction solvent, a mixture of a compound with a carbonyl functio...  
WO/2024/005445A1
The present invention relates to a method for depolymerization of a polymer containing an ester functional group, wherein an aromatic compound having an alkoxy functional group and a compound having an alcohol functional group are mixed ...  
WO/2024/003271A1
The present invention relates to the field of organic synthesis and, more specifically, it concerns a process for the preparation of an ether, thioether or secondary amine of formula (I) comprising the reaction of an alcohol, thiol or am...  
WO/2024/005572A1
The present invention relates to a surfactant for an adhesive, an adhesive composition comprising same, and preparation methods therefor. The surfactant of the present invention is included in an adhesive so as to exhibit excellent adhes...  
WO/2024/003941A1
An ester product of polyglycerol with C8 and C10 fatty acids & lactic acid; wherein the polyglycerol is with an average polymeric degree of 3 to 10; and its use in preparing stable personal care compositions.  
WO/2024/006646A1
Provided are systems and methods for metal formate synthesis from carbon monoxide supplied by an electrolyzer having a membrane electrode assembly which incorporate the capacity to recover and recycle various chemical components of the p...  
WO/2023/248976A1
The present invention provides: a polymer that has excellent storage stability and can yield a cured product having excellent solvent resistance even under low-temperature curing conditions; a photosensitive resin composition that contai...  
WO/2023/247609A1
The present invention relates to a process for the preparation of cyclohomogeranates. The invention relates to the synthesis of cyclohomogeranates from well available esters of homogeranic acid in only one step. The cyclohomogeranates pr...  
WO/2023/248205A1
The subject of the invention is a novel ruthenium complex with the general formula Ru-1, in which all the variables have the meaning defined in the disclosure. The subject of the invention is also a synthesis method of the ruthenium comp...  
WO/2023/246829A1
A liquid composition comprising trans-2-(2-(5-(fluoro[ 18F])tridecyl)cyclopropyl)acetic acid, a preparation method therefor and use thereof in the preparation of a contrast agent for myocardial metabolic PET imaging. The liquid compositi...  
WO/2023/249481A1
Provided herein is an ionic liquid comprising: an anionic portion that comprises: at least one carboxylate group; and at least one ester group and/or at least one amide group; and a cationic portion having formula A: A, where: X represen...  
WO/2023/249327A1
Recycled bis(2-hydroxyethyl)terephthalate, obtained by depolymerization of a waste polyester, is mixed and stored with a solvent under specific conditions, leading to the stable maintenance of purity and yellowness and the improvement in...  
WO/2023/247638A1
The depolymerization method comprises the successive steps of pyrolizing a feed material containing polymer in a pyrolysis reactor so as to generate a hot gas stream, removing solid and liquid impurities from the gas stream in a separato...  
WO/2023/249129A2
The present invention provides technology for improving the selectivity of a (meth)acrylic acid ester. The present invention relates to a (meth)acrylic acid ester production method including: reacting (meth)acrylic acid and a secondary a...  
WO/2023/249130A2
The present invention provides technology for improving the yield of a (meth)acrylic acid ester. This (meth)acrylic acid ester production method includes: reacting (meth)acrylic acid and a secondary alcohol within a reactor and in the pr...  
WO/2023/246830A1
The present application provides a method for preparing a myocardial metabolism PET imaging agent, a liquid composition of trans-2-(2-(5-fluoro[18F]tridecyl)cyclopropyl)acetic acid (compound I for short), and use thereof, wherein a crude...  
WO/2023/247602A1
The present invention relates to the use of compound of formula (I) as an aroma chemical to impart a woody note, fruity note, herbal note, green note, rooty note, citrus note, petitgrain note, floral note, damascone note, tobacco note, a...  
WO/2023/242256A1
The present invention discloses process strategies and a method for the discontinuous (trans)esterification of (meth)acrylic esters. The method can prepare an alkyl (meth)acrylate product by a (trans)esterification reaction of a reaction...  
WO/2023/241727A1
The present invention belongs to the field of chemical separation, and disclosed is a method for separating ethylene glycol from ethylene glycol diacetate by using sulfolane as an entrainer. A mixture of ethylene glycol and ethylene glyc...  
WO/2023/242259A1
The present invention discloses a method for increasing a conversion rate of a (trans)esterification reaction for preparing a (meth)acrylate product.of a reaction mixture in a reactor system, the reactor system comprising a reboiler, a r...  

Matches 1 - 50 out of 78,639