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Matches 1 - 50 out of 14,733

Document Document Title
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...  
WO/2018/155069A1
Provided is a method by which 1-fluoro-2,2,2-trichloroethyl difluoromethyl ether, which is useful as an intermediate for the synthesis of desflurane, is conveniently obtained using inexpensive chloral as a starting material and reacting ...  
WO/2018/150185A1
The present invention relates to an etherification process for preparing ethers, particularly unsymmetrical ethers, suitable for use as base stocks for lubricant compositions. In one aspect, the present invention provides a process for p...  
WO/2018/151188A1
Provided is a method for producing trans-1,4-disubstituted cyclohexane derivatives that are useful as liquid-crystal compounds. Specifically, 1,4-disubstituted cyclohexane derivatives, which are a cis and trans mixture represented by gen...  
WO/2018/144101A1
Described herein are labeling agents, specifically [11C]fluoroform, [11C]difluoromethane, [11C]fluoromethyl iodide, [11C]fluoromethyl bromide, [11C]fluoromethyl chloride, [11C]fluoromethyl trifluoromethansulfonate, [11C]difluoromethyl io...  
WO/2018/140441A1
Binder compositions for use in the formation of fiber insulation and nonwoven mats are provided comprising water and a reaction product of a) a polymeric poly(carboxylic acid) component and b) a polyglycerol component. In this compositio...  
WO/2018/140447A1
Polyglycerol compositions comprise no more than about 5% by weight of monoglycerol based on non-water ingredients of the polyglycerol composition, and have a combined tetraglycerol and higher polyglycerol content of at least about 55%. M...  
WO/2018/134427A1
In general the present invention concerns a method for production of highly pure m,m'- coupled bis(4-alkylphenol) derivatives from particular lignin-derived 4-alkylphenol derivatives. More specifically this invention relates to a process...  
WO/2018/136189A1
A polyol composition is made by polymerizing a mixture of ethylene oxide and propylene oxide onto a mixture of at least one diol initiator and at least one triol initiator, followed by polymerizing 100% propylene oxide or a mixture of at...  
WO/2018/135047A1
Provided are: a method for producing fluorenylidene diallylphenols represented by formula (1), the method including a reaction step for reacting fluorenones represented by formula (2) and allylphenols represented by formula (3) in the pr...  
WO/2018/128402A1
The present invention relates to a method for producing methyl tertiary-butyl ether, the method comprising a reaction step for reacting methanol and isobutene in the presence of an acid catalyst to produce methyl tertiary-butyl ether; an...  
WO/2018/123648A1
Halogenated α–fluoroethers indicated by a formula [in formula (2), HaloR indicates a haloalkyl group, R1 indicates a hydrogen atom, a halogen atom, an alkyl group, or a substituted alkyl group, and R2 indicates an alkyl group or a sub...  
WO/2018/123649A1
A 1, 2, 2, 2–tetrafluorethyl methyl ether being a synthetic intermediate of desflurane was conveniently obtained by causing a trimethyl orthoformate to act on a fluoral obtained by a gas phase fluorination reaction of chloral, in the p...  
WO/2018/125609A1
A process for the production of diisopropyl ether from high purity propylene without the need of a propane-propylene fractionation column has been developed. The process involves (1) reacting a high purity propylene feedstock and water t...  
WO/2018/125611A1
A process for the production of diisopropyl ether from high purity propylene without the need of a propane-propylene fractionation column has been developed. The process involves (1) reacting a high purity propylene feedstock and water t...  
WO/2018/120880A1
The present invention provides an insecticidal compound having an ether bond structure. The structural formula of the compound is as shown in formula A, wherein R1 is methyl, halogen atom, cyano group, or trifluoromethyl; R2 and R3 are H...  
WO/2018/125612A1
A process for the production of diisopropyl ether from high purity propylene without the need of a propane-propylene fractionation column has been developed. The process involves (1) reacting a high purity propylene feedstock and water t...  
WO/2018/120881A1
The present invention provides an insecticidal ether compound having a structure similar to pyrethroid. The structural formula of the compound is represented by formula A, wherein R1 and R2 are methyl, a halogen atom, or trifluoromethyl,...  
WO/2018/118474A1
The present invention is directed to, among other things, processes for purifying polyether polyols via treatment with an ion exchange resin in which the ion exchange resin is disposed in a container that is operated liquid-full.  
WO/2018/114914A1
The present invention relates to a method for producing (functionalized) biaryls by employing a visible-light-driven, gold-catalyzed C-C cross-coupling reaction system involving boron- and silicon-containing aryl compounds and aryldiazon...  

Matches 1 - 50 out of 14,733