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WO/2018/065341A1 |
Disclosed is a method for preparing an ultraviolet radiation absorbing polymer composition comprising the polymer compound of formula in an esterification / transesterification which method comprises the steps of reacting a polyglycerol ...
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WO/2018/066371A1 |
The purpose of the present invention is to provide a process for producing an E-olefin compound, the process being capable of using a wide range of Z-olefin compounds as substrates. The process, which is for producing an isomer, comprise...
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WO/2018/064539A1 |
A method includes receiving a base raw material at a system. The base raw material is converted to synthesis gas. The synthesis gas is conditioned to remove moisture and carbon dioxide. One or more methoxy compounds are produced from met...
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WO/2018/051996A1 |
The purpose of the present invention is to provide a method for removing a 2-alkoxyethanol from a mixture containing the 2-alkoxyethanol and a (2-alkoxyethyl) vinyl ether easily and efficiently while preventing the decrease in yield of t...
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WO/2018/051716A1 |
The present invention addresses the problem of providing an organic solvent refining method with which it is possible to obtain an organic solvent having excellent stability and restrict the occurrence of defects in a semiconductor devic...
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WO/2018/042013A1 |
The present invention relates to a novel process for the synthesis of 9,9-bis(hydroxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxy- methyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)- fluoren...
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WO/2018/044824A1 |
The disclosure relates to the efficient preparation of aromatic hydrocarbons useful as intermediates for di-, tri-, tetra- and poly-dentate organophosphorus ligands having value in particular as hydroformylation catalysts. The use of tri...
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WO/2018/036848A1 |
The invention relates to a method for producing a vinyl compound by vinylating a starting compound having at least one primary or secondary amino group, at least one hydroxyl group, or at least one thiol group with acetylene, characteriz...
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WO/2018/031611A1 |
A process for the preparation of glycol ethers by providing a diethylene glycol ether column bottoms mixture comprising triethylene glycol ether, tetraethylene glycol ether, and glycol ether catalyst; separating, in a stripping column, t...
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WO/2018/023502A1 |
A method for extracting an elemicin from a pepper. The method uses a pepper leaf as a raw material, and comprises the following treatment steps: pulverizing then freezing the pepper leaf, followed by soaking in hot water; extraction step...
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WO/2018/021517A1 |
The present invention relates to a 4-alkoxy-3-(trifluoromethyl)benzyl alcohol production method with which it is possible to achieve a higher conversion rate and to closely control the generation of by-products by using DIBAL as a reduci...
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WO/2018/022766A1 |
The present disclosure relates to processes for the removal of paraffins. The processes generally include providing a C4 containing stream including isobutyiene, 1 -butene, 2-butene, n- butane and isobutane, introducing the C4 containing...
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WO/2018/019724A1 |
A method for the hydrodehalogenation of a halofluoroether (HaloFE) having general formula (l-A) or (l-B): (I-A) RfO-CRf'X-CRf"Rf"'X' wherein - Rf represents a C1-C6 perfluoroalkyl or a C1-C6 perfluorooxyalkyl group; - Rf', Rf" and Rf'", ...
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WO/2018/019436A1 |
The present invention relates to a process for preparing a partially hydrogenated polyacene, and a novel intermediate used in such process; also the present invention relates to a process for preparing the corresponding conjugated polyac...
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WO/2018/016126A1 |
A method for preserving, in an oxygen (O2) or inert gas atmosphere in an airtight container, an α,α-difluoroacetaldehyde alkyl hemiacetal represented by the formula in a gas-liquid state comprising a gas phase and a liquid phase, chara...
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WO/2018/011142A1 |
The invention pertains to a method for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HaloFE) having general formula (l-A) or RfO-CRf'X-CRf"Rf"'X' (l-A) wherein Rf represents a C1-C6 perfluoro(oxy)a...
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WO/2018/013229A1 |
Methods and systems or devices for synthesis of dimethyl ether (DME) from carbon dioxide and hydrogen are provided. A high surface area hollow fiber catalytic membrane reactor such as with hollow fibers coated with a water permeable memb...
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WO/2018/000734A1 |
Disclosed is a method for promoting methylation of a lignin model compound benzyl alcohol by applying microwaves. The method includes adding 1 part by weight of a lignin model compound containing a benzyl alcohol and 0.005-3 parts by wei...
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WO/2018/004992A1 |
Herein disclosed is a method of producing dimethyl ether (DME) comprising introducing one or more feed streams comprising methane and carbon dioxide into a reformer to generate synthesis gas; and converting synthesis gas to DME in one st...
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WO/2018/004993A1 |
Herein disclosed is a method of reducing greenhouse gas (GHG) emission comprising introducing one or more feed streams into a reformer to generate synthesis gas; and converting synthesis gas to dimethyl ether (DME). In some cases, the re...
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WO/2018/005191A1 |
Disclosed are processes and systems for removing water and salt from a polyether polyol that employs a combination of at least atmospheric distillation, filtration, and vacuum distillation.
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WO/2017/206693A1 |
An organic amine salt compound having the general formula (I): An-[Bm+]p. In the formula, An- is anions having -n valence serving as CO2 donors, wherein n = 1, 2, or 3; Bm+ is or contains: ammonium ions, hydrazine ions and/or organic ami...
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WO/2017/210165A1 |
The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted a...
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WO/2017/209297A1 |
A compound represented by general formula (2) [wherein R1 and R2 are as defined above; and X represents a halogen atom] is reacted in the presence of a palladium catalyst and a base. In this manner, it becomes possible to synthesize a tr...
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WO/2017/208973A1 |
Provided is a method for producing an alcohol represented by general formula (2), comprising reacting a phenol represented by general formula (1) with an alkylene carbonate in the presence of at least one compound selected from the group...
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WO/2017/202277A1 |
Provided is a method for preparing 2-hydroxyl-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1), preparing 2-substitution-3-aryl toluene deriv...
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WO/2017/200073A1 |
Provided are a method for producing an alcohol compound represented by formula (1) wherein the method includes, in this order, a step (i) for preparing a solution including an alcohol compound represented by formula (1), aromatic hydroca...
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WO/2017/197857A1 |
The present invention relates to the technical field of chemical engineering and catalysis. Provided are an application of an ionic liquid in propylene glycol ether synthesis and a method for synthesizing a propylene glycol ether. The io...
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WO/2017/178513A1 |
The present invention relates to a method for preparing monomers via depolymerisation from lignocellulose-containing biomass.
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WO/2017/174443A1 |
The invention relates to trimethylolpropane derivatives (I), which can be obtained in that, in a first step, compositions (II) are reacted with (meth)acrylic acid (III), wherein the compositions (II) are compositions that can be obtained...
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WO/2017/174272A1 |
The invention relates to a method for processing base-catalysed alkoxylation products using sulphonic acid ion exchangers, comprising the steps of providing a mixture containing the base-catalysed alkoxylation product to be processed, al...
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WO/2017/173975A1 |
Disclosed in the present application is a process for the preparation of a compound III containing a non-terminal carbon-carbon double bond, characterized in that, a compound I containing a carbon-carbon double bond, in the presence of a...
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WO/2017/176422A1 |
Integrated methods and systems are disclosed for the production of dimethyl ether. The method may include reforming natural gas to syngas in a first reactor; contacting the syngas produced in the first reactor with a catalyst system in a...
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WO/2017/174953A1 |
The invention relates to alkylation and, in particular, to the alkylation of diverse substrates, under catalytic conditions that guarantee the safety of the reaction, at industrial level, and a satisfactory yield. More specifically, the ...
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WO/2017/168431A1 |
The present invention relates to an improved process for the preparation of Salmeterol Xinafoate of Formula (I).
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WO/2017/163112A1 |
A method for controlling the mixing of a plurality of samples subject to a chemical process, the method comprising computer executed steps, the steps comprising: for each one of the samples, receiving respective data on a result obtained...
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WO/2017/164124A1 |
Provided is a method for producing at a high yield an ether base oil having a branched structure at the 2-position. The method for producing an ether base oil having a branched structure at the 2-position, comprises: step 1 for obtaining...
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WO/2017/157188A1 |
Provided are a polyol glyceryl ether, and a multi-armed polyethylene glycol and the multi-armed polyethylene glycol active derivative prepared using same. The multi-armed polyethylene glycol is formed by polymerizing ethylene oxide with ...
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WO/2017/159669A1 |
Provided is a method for producing a phenoxyethanol derivative. This method for producing a compound represented by formula (II) is characterized in that a compound represented by formula (I) (in the formula, R1 is a substituted or unsub...
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WO/2017/154948A1 |
The present invention addresses the problem of providing a novel method for producing a compound having a fluoromethylene group with high efficiency. The problem can be solved by a method for producing a compound represented by formula (...
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WO/2017/155120A1 |
The present invention addresses the problem of providing a long life catalyst which can be produced simply and inexpensively, which exhibits high activity, and in which metal leakage is suppressed. Provided is a catalyst according to sev...
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WO/2017/150622A1 |
Provided is a method for efficiently producing a liquid composition comprising a monoetherate (III), using a hydroquinone compound (I) and a hydroxyl group-containing etherifying agent (II). The method according to the present invention ...
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WO/2017/143627A1 |
The present application relates to a method for preparing an Aliskiren intermediate (III). The Aliskiren intermediate is prepared by carrying out a reduction reaction of a compound (IV) with sodium borohydride and boron trifluoride tetra...
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WO/2017/140607A1 |
A method of making spirogalbanone comprising the steps of: (a) subjecting ethynylspirodecanol to a Rupe rearrangement to give a compound of the formula I; (b) converting the compound of (a) to a C1-C4 alkyl acetal; (c) subjecting the ace...
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WO/2017/142028A1 |
A metal-supported macromolecule and a use thereof as a catalyst, said metal-supported macromolecule being obtained by causing a ligand to react with a zinc compound or a cobalt compound, said ligand having an imidazole group that is bond...
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WO/2017/138016A1 |
The present invention relates to a heterogeneous vapor phase catalyst. More specifically, the present invention provides the tunable heterogeneous catalyst suitable for vapor phase alkylation of aromatic organic compounds. The invention ...
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WO/2017/139491A1 |
The present invention provides apparatuses and processes for producing high octane fuel from synthesis gas. The process combines transalkylation and zeolite-forming/aromatization in conjunction with a single recycle loop configuration in...
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WO/2017/126233A1 |
Disclosed is an industrial method for efficiently producing an α, α-difluoroacetaldehyde. A method for producing an α, α-difluoroacetaldehyde according to the present invention is able to be achieved by having an α, α-difluoroaceti...
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WO/2017/121817A1 |
The invention relates to an improved process and system for the synthesis of dimethyl ether (DME) from a feedstock comprising H2 and COx, wherein x = 1 – 2. The process according to the invention comprises (a) subjecting the gaseous mi...
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WO/2017/115671A1 |
The present invention is a method for producing a cyclopentyl alkyl ether compound represented by formula (1) R1-O-R2 (wherein R1 represents an optionally substituted alkyl group having 1-10 carbon atoms or an optionally substituted cycl...
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