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Matches 1 - 50 out of 14,789

Document Document Title
WO/2019/093401A1
The present invention provides: a novel compound which is expected to be used as a solvent, a cleaning agent, a foaming agent, an intermediate for functional materials, and the like; a method for producing this novel compound; and a use ...  
WO/2019/086545A1
The present invention relates to a process for preparing 4-chlorobenzyl propargylether comprising a step (a) of reacting 4-chlorobenzyl chloride with propargyl alcohol in the presence of a base and a phase transfer catalyst, wherein the ...  
WO/2019/084740A1
Disclosed is a method for preparing a Glecaprevir synthetic intermediate. An epoxy cyclopentane is used as a starting material to carry out a ring opening reaction to form 2-hydroxy-1-propenyloxycyclopentane, the same being acetylated to...  
WO/2019/082541A1
Provided are an alcohol represented by general formula (1) and a method for producing same. In the formula, ring Z1, ring Z2 and ring Z3 denote aromatic rings. However, at least one of ring Z1, ring Z2 and ring Z3 is a naphthalene ring. ...  
WO/2019/077147A1
The present invention relates to a selective process for preparing acetals or ethers. In particular, the process involves a selective catalytic hydrogenolysis of a trihydrocarbyl orthoesterso as to control the extent of dealcoholation to...  
WO/2019/077140A1
The invention relates to a method for producing polyoxymethylene dimethyl ethers (OME) from methanol (ME), and to the use of a catalyst in the production of polyoxymethylene dimethyl ethers (OME) from methanol (ME) for controlling the su...  
WO/2019/077146A1
The present invention relates to a process for preparing ethers, particularly unsymmetrical ethers, and preferably ethers suitable for use as base stocks for lubricant compositions. In particular, the process involves the reaction of an ...  
WO/2019/064863A1
Provided is a method for efficiently producing high-purity 1,2,2,2-tetrafluoroethyl difluoromethyl ether (desflurane) using a fluorinating agent having excellent handleability. In a liquid phase, 1,2,2,2-tetrafluoroethyl dichloromethyl e...  
WO/2019/063452A1
The invention relates to a method for producing fluorinated compounds, novel compounds having fluorinated end groups, to the use thereof and agents comprising novel compounds having fluorinated end groups.  
WO/2019/052236A1
The present invention pertains to the field of fine chemicals and related chemical technologies and provides a preparation method for a butadiene derivative. Phenylacetylene and derivatives thereof are used as raw materials and react in ...  
WO/2019/043238A1
The present invention concerns a process and intermediates for the manufacture of difluoro acetyl chloride. The invention further concerns a process for the manufacture of an agrochemically or pharmaceutically active compound, which comp...  
WO/2019/044914A1
The present invention addresses the problem of providing a drug solution purification method with which it is possible to obtain a drug solution exhibiting excellent impairment suppression performance. The present invention also addresse...  
WO/2019/042696A1
The invention relates to the use of polyolethers as additives in aqueous polymer dispersions for producing porous polymer coatings, preferably for producing porous polyurethane coatings.  
WO/2019/037768A1
A process the dehydration of methanol to dimethyl ether in the presence of a solid Brønsted acid catalyst selected from aluminosilicate zeolites which have a maximum free sphere diameter of greater than 3.67 Angstroms and heteropolyacid...  
WO/2019/039666A1
A molten steel manufacturing facility according to an embodiment of the present invention comprises: a molten steel manufacturing apparatus having a melting gasification furnace for melting reduced steel to manufacture molten steel; and ...  
WO/2019/037766A1
A process for dehydrating methanol to dimethyl ether product in the presence of a solid Brønsted acid catalyst which is an aluminosilicate zeolite or a heteropolyacid and a promoter which is (i) a ketone of formula R1COR2 (Formula I) in...  
WO/2019/037769A1
A process for dehydrating methanol to dimethyl ether in the presence of an 2-dimensional aluminosilicate zeolite of maximum free sphere diameter of greater than 4.70 Angstroms, and a promoter of Formula I CnH(2n+1)CO2CH3 wherein n = 1 to...  
WO/2019/037764A1
A process for dehydrating methanol to dimethyl ether using a Brønsted acid catalyst which is a 1-dimensional or a 3-dimensional aluminosilicate zeolite or a heteropolyacid, and a promoter of Formula I CnH(2n+1) CO2CH3 wherein n = 1 to 1...  
WO/2019/037760A1
A process for dehydrating methanol to dimethyl ether product in the presence of an aluminosilicate zeolite catalyst and a promoter selected from (i) aldehyde of formula R1CHO (Formula I) in which R1 is hydrogen, a C1-C11 alkyl group or a...  
WO/2019/034149A1
Disclosed is the use of a quaternary phosphonium salt compound as a catalyst for preparing a catalyst for propylene glycol phenyl ether. Also provided is a method for synthesizing propylene glycol phenyl ether by mixing phenol and a quat...  
WO/2019/030122A1
The present invention relates to odorous 2- and/or 3-substituted 3-(allyloxy)propenes which are useful as fragrance or flavor ingredients in particular in providing green, fruity, pear and/or waxy olfactory notes. The present invention a...  
WO/2019/025535A1
The present invention in general relates to a method for the deacylation and/or dealkylation (both O-dealkylation as well as C-dealkylation) of compounds, more specifically of aromatic compounds. The method is characterized by contacting...  
WO/2019/021257A1
A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective hydrogenati...  
WO/2019/019482A1
The present invention provides a low polarity resin, and a preparation method therefor and the use thereof. The low polarity resin has a structure as shown in formula I and is based on a phenolic compound or resin, and prepared by a thre...  
WO/2019/020726A1
The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl ha...  
WO/2019/016314A1
The present invention relates to an improved method for producing 3,7-dimethyl- 9-(2,6,6-trimethyl-1 -cyclohexen-1 -yl)-nona-2E,7E-dien-4-yne-1,6-diol.  
WO/2019/014712A1
A process of producing oxymethylene ethers comprising the steps of: a) contacting hydrogen gas and CO and/or CO2 with a mixture of methanol and a catalyst at conditions of temperature and pressure to support hydrogenation of the CO and/o...  
WO/2019/016297A1
The present invention relates to a device and a method for the in-situ production of a sterilisation gas and the sterilisation of objects. In a first step of the method, an alcohol is catalytically converted to an alkene oxide. The alken...  
WO/2019/016700A1
A method of manufacturing a cetane-boosting fuel additive includes reacting formaldehyde and 2-ethylhexanol at a mole ratio of 10:1 to 1:1, or 5:1 to 1.5:1, or 4:1 to 2:1, or 3.5:1 to 2.5:1 in the presence of a heterogeneous acid catalys...  
WO/2019/016710A1
Systems and methods for producing propylene using an MTBE synthesis raffinate are disclosed. An MTBE synthesis raffinate stream first passes through a molecular sieve to separate n-butane and isobutane from the rest of C4 hydrocarbons of...  
WO/2019/002503A1
A process for making ortho alkoxy bisphenol monomers includes contacting an (alk-1-enyl)alkoxyphenol (type 1) with an alkoxyphenol (type 2) in the presence of an acidic catalyst. Both type of renewable phenols (type 1 and 2) can be gener...  
WO/2019/001549A1
A multi-arm single molecular weight polyethylene glycol and an active derivative thereof, used for drug modification, effectively improving the solubility, stability, and immunogenicity of drugs; improving the absorption of the drugs in ...  
WO/2019/001473A1
Provided are a dendritic polyglycol derivative, a preparation method therefor, and an application thereof. The dendritic polyglycol derivative has a structure of formula (I), a plurality of terminal functional groups, and better water so...  
WO/2018/232777A1
A synthesis method for an aromatic compound containing a difluorodeuteromethoxy functional group or a difluorodeuterothio functional group. In the presence of an alkali, a difluorocarbene donor and Ar-(XH)n and heavy water undergo a reac...  
WO/2018/233550A1
Provided is a catalyst for preparing ethylene glycol dimethyl ether, the catalyst comprising the following components, based on the total weight of the catalyst: a) 20-90 wt.% of a metal having a SiO2/Al2O3 molar ratio of 120-350 and/or ...  
WO/2018/233498A1
The invention relates to a method for preparing ethylene glycol ether, comprising passing an oxalate of formula (I) through a catalyst section comprising a catalyst as follows: A) copper-based catalyst A for hydrogenation of the oxalate,...  
WO/2018/231691A1
Provided is a synthesis process for (S,S)-secoisolariciresinol diglucoside and (R,R)-secoisolariciresinol diglucoside.  
WO/2018/230394A1
Provided is a method for producing alcohols represented by formula (1), which sequentially comprises in the following order: a step (i) for obtaining a bisnaphthol compound represented by formula (2) by reacting 9-fluorenone and naphthol...  
WO/2018/214630A1
The present invention relates to a stable crystal form, i.e. form A, of 2-tert-butyl-4-methoxyphenol, and to a new preparation method for the 2-tert-butyl-4-methoxyphenol; and the use of the 2-tert-butyl-4-methoxyphenol and the stable cr...  
WO/2018/216777A1
Provided is a method for producing fluorine-containing ether compositions with which can be produced, in good yields, fluorine-containing ether compounds that are suitably used for surface treatment agents and which are useful as interme...  
WO/2018/211457A3
A method includes combining first components including at least one of CF2=CF-CF2-OSO2Cl or CF2=CF-CF2-OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound compr...  
WO/2018/211457A2
A method includes combining first components including at least one of CF2=CF-CF2-OSO2Cl or CF2=CF-CF2-OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound compr...  
WO/2018/212176A1
[Problem] To provide a photopolymerization sensitizer which gives a practically sufficient photocuring rate without arousing the problem wherein additives including a photopolymerization sensitizer bleed out to the surface during photocu...  
WO/2018/195000A1
The disclosure relates to a method for depolymerizing lignin. The method includes reacting a lignin compound with a thiol compound to depolymerize the lignin compound and to form a depolymerized lignin product having a reduced molecular ...  
WO/2018/194429A1
The present invention provides a method for preparing high-purity 2-ethylhexyl glycerol ether, wherein 2-ethylhexyl glycerol ether as a hydrolysis product is maintained within a proper amount range in water used in a hydrolysis reaction ...  
WO/2018/189385A1
Methods for manufacturing phenoxyethanol from a reaction of a phenolate with a monohalohydrin. The phenolate is reacted with the monohalohydrin at a reaction temperature that is less than or equal to a boiling point of a reaction mixture...  
WO/2018/185628A1
A method of producing methyl tertiary butyl ether (MTBE) and propylene is disclosed. The method involves the use of a crude C4 stream and the integration of a MTBE synthesis process and a cracking process. The method may include processi...  
WO/2018/180610A1
The production method for an α,α-difluoroacetaldehyde hemiacetal ("DFAL-ROH") according to the present invention comprises: a step in which a difluoroacid ester is reacted with hydrogen (H2) in a reactor in the presence of a base and a...  
WO/2018/178391A1
A method of improving the emulsification performance of nonionic alkoxylated surfactants, for example when used as fuel additives. The method involves a) providing a composition comprising at least one nonionic alkoxylated surfactant; an...  
WO/2018/164043A1
Provided is a labeled precursor compound represented by formula (2). (In the formula, S represents a substrate, L represents a C1-6 linear alkyl group which may contain an ether group, R1 and R2 each independently represent a C1-30 linea...  

Matches 1 - 50 out of 14,789