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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/2024/018918A1 |
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/2024/018157A1 |
The present invention relates to a paraffin-free aqueous composition comprising: - at least one nitrogen oxide (NOx) reducing agent and/or at least one precursor of such an agent, and - at least one additive chosen from among fatty acid ...
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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/2024/014723A1 |
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/2024/013127A1 |
The present invention relates to a lubricant composition comprising: one or more diesters, each of said diesters being formed between - a diol chosen from 1,2-propanediol, 1,2-decanediol and 1,3-diol having 3 to 10 carbon atoms, and - tw...
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WO/2024/014455A1 |
A chemical recycling device 100 is equipped with: a depolymerization reaction tank 300 that degrades a first molded article made of a polymer into a depolymerized product through a depolymerization reaction; a polymerization reaction tan...
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WO/2024/012272A1 |
Provided in the present application are a new lipid compound, a lipid nanoparticle containing same and the use thereof in the targeted delivery of a drug. Specifically, provided in the present application are a compound of general formul...
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WO/2024/012694A1 |
The present disclosure relates to new and inventive aromatic monomer compounds represented by formula (I), including the use of such monomers in the production of useful polymers. Such monomer compounds contain an aromatic core, a flexib...
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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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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...
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WO/2024/011240A1 |
Provided herein are substituted quaternary amine salt compounds and compositions thereof for inhibiting production of trimethylamine (TMA), as well as inhibiting the conversion of choline to trimethylamine, and such compounds, and compos...
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WO/2024/011239A1 |
Provided herein are substituted quaternary amine salt compounds and compositions thereof for inhibiting production of trimethylamine (TMA), as well as inhibiting the conversion of choline to trimethylamine, and such compounds, and compos...
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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...
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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...
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WO/2024/004962A1 |
Provided is a compound capable of providing a resin material having a high refractive index. This compound is a compound represented by chemical formula (1), a tautomer or stereoisomer thereof, or a salt of these. In the chemical formu...
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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...
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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...
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WO/2024/003737A1 |
The present invention is directed to intermediates and an efficient process for preparing nirmatrelvir (compound of Formula I) and intermediates useful in the preparation of nirmatrelvir.
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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 ...
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WO/2024/003429A1 |
The invention relates to a hydrolysable crosslinker of formula I, to resins obtained using this type of crosslinker, to polymerised products derived from these materials and to the use thereof in industry; for example in additive manufac...
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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...
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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...
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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.
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WO/2024/005194A1 |
A film-forming composition for lithography which contains a polyphenol compound represented by formula (1). (In formula (1), A, Ar1, Ar2, X, P1, P2, j, k, l1, and l2 are as defined in the specification.)
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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...
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WO/2023/250212A1 |
A variety of techniques have been used to microdissect specific cells or cell populations from a histological sample under direct microscopic visualization. Prior microdissection techniques have included burdensome manual dissection usin...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2023/243408A1 |
The present invention relates to an atropisomer represented by general formula (1) and/or general formula (2). (In formula (1) and formula (2), R1 and R2 each independently represents a structure from (R-1) to (R-20), and at least one am...
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WO/2023/242257A1 |
The present invention discloses a method for pressure enhanced (trans)esterification of (meth)acrylic esters. The method can prepare an alkyl (meth)acrylate product by a (trans)esterification reaction of a reaction mixture. The reaction ...
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WO/2023/243700A1 |
A purpose of the present invention is to provide an aldehyde compound and an ester compound which have a difluoro at the α-position, a double bond or epoxy at the β-position, and a 2-subsituted alkene at the γ-position. A difluoroalde...
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WO/2023/242258A1 |
The present invention discloses a method for preparing an alkyl (meth )acry late product by a (trans)esterification reaction of a reaction mixture in a reactor system, the reactor system comprising a reaction chamber (1) comprising the r...
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WO/2023/237721A1 |
Herein described are diaryl ether compounds having the structure (I) as well as a method for their manufacture from lignin.
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WO/2022/271817A9 |
The present invention discloses the potential of compositions comprising Calebin-A for the management of dysbiosis and increasing energy expenditure in a mammal. The invention also discloses the potential of compositions comprising Caleb...
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WO/2023/239171A1 |
The present disclosure relates to a novel compound that exerts an excellent antioxidant effect, and a cosmetic and a pharmaceutical composition, comprising same. The novel compound according to the present disclosure is represented by ch...
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WO/2023/237027A1 |
Provided are a compound, a method for preparing same, and use thereof in preparing a bicyclopyrone intermediate. The present invention can be used for preparing bicyclopyrone intermediate II from intermediate I (a compound represented by...
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WO/2023/234087A1 |
Provided is an additive which has a maximum absorption wavelength of 280-310 nm to efficiently absorb a UV-B region (280-320nm), is suppressed in coloration during heating, has a high decomposition initiation temperature during heating, ...
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