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Matches 1 - 50 out of 14,866

Document Document Title
WO/2019/177458A1
The invention relates to a demethoxylation process for demethoxylating alkylmethoxyphenols using an aromatic solvent to produce alkylphenols. The invention also relates to dealkylation process for dealkylating alkylphenols using an aroma...  
WO/2019/147132A8
The present invention is directed to a membrane reactor for the hydrogenation of carbon dioxide, said membrane reactor comprising a reaction compartment (2) comprising a catalyst bed, a permeate compartment (4) and a membrane separating ...  
WO/2019/173753A1
A method of producing dimethoxymethane oligomers (DMMn), the method comprising: reacting a formaldehyde source and dimethoxymethane monomer (DMM1) in the presence of an acidic catalyst to produce a reaction effluent comprising DMMn and u...  
WO/2019/173212A1
The present invention discloses methods for synthesizing asymmetrical sulfide compounds and asymmetrical ether compounds from a variety of ether, sulfide, alcohol, and thiol reactants that are contacted in the presence of a suitable cata...  
WO/2019/165350A1
The present invention discloses processes for producing normal alpha olefins, such as 1-hexene, 1-octene, 1-decene, and 1-dodecene in a multistep synthesis scheme from another normal alpha olefin. Also disclosed are reactions for convert...  
WO/2019/162429A1
The present invention relates to a cocrystal of ubiquinol and a hydrogen bond donor coformer, to a process for the preparation thereof, and to its use as a medicament or a dietary supplement. The invention also relates to compositions co...  
WO/2019/162491A1
The present disclosure relates to fluorinated monomers comprising anthracene moieties, able to undergo a cycloaddition reaction under UV light. The present disclosure also relates to a process for manufacturing the fluorinated monomers. ...  
WO/2019/159596A1
Provided is a method for preparing a coupled body represented by general formula (3), the coupled body being obtained by reacting a compound represented by general formula (1) and a compound represented by general formula (2) in the pres...  
WO/2019/158272A1
The present invention relates to a method for preparing a CaMgAl mixed oxide comprising the steps: a) providing a modified layered double hydroxide of the formula (I) wherein in formula (I) o
WO/2019/154645A1
The invention relates to a method for treating, by reactive distillation, an olefin feed comprising linear olefins with n carbon atoms, and branched olefins, the branched olefins comprising tertiary branched olefins, for example a mixtur...  
WO/2019/151264A1
Provided are a novel compound having a fluorene skeleton, and a method for manufacturing the same, the compound having a low palladium content or other content of a specific metal or content of a specific compound in a raw material alcoh...  
WO/2019/151442A1
Provided is a fluoro (poly)ether group-containing silane compound represented by any one among formulae (A1), (A2), (B1), (B2), (C1), and (C2). PFPEs appearing in the formulae are each independently represented by the formula: -(OC6F12)a...  
WO/2019/147132A1
The present invention is directed to a membrane reactor for the hydrogenation of carbon dioxide, said membrane reactor comprising a reaction compartment (2) comprising a catalyst bed, a permeate compartment (4) and a membrane separating ...  
WO/2019/129755A1
The present application relates to processes (e.g., stereo- and/or regioselective processes) for the preparation of cyclohexyl ethers of formula (I). Compounds prepared according to the disclosed processes are useful in the preparation o...  
WO/2019/131677A1
The present invention relates to a fluorine-containing diene compound represented by general formula I, and to a polymer thereof. In the formula: R1 through R7 are each independently a hydrogen atom, a chlorine atom, a fluorine atom, or ...  
WO/2019/127920A1
A liquid phase spherical carrier as represented by formula I, a preparation method therefor and use thereof. R is a functional group, preferably a group having hydroxyl, amino, carboxyl or halogen. The liquid phase synthesis carrier can ...  
WO/2019/121939A1
The present invention relates to a process for producing a hollow MFI zeolite comprising the following steps: a) contacting a MFI zeolite, a structure directing agent and an aqueous phase to form a composition; b) reacting the compositio...  
WO/2019/119363A1
Disclosed is a method for producing a mixed ether from a mixed phenol and methol by gas phase etherification, at least comprising the following steps: a mixture containing the mixed phenol and methol is passed through a reaction zone con...  
WO/2019/126406A1
Processes for co-production of methyl tertiary-butyl ether (MTBE) and alkylate is disclosed. The process includes comprising passing a hydrocarbon feed stream comprising C4 hydrocarbons to a dehydrogenation unit to generate a dehydrogena...  
WO/2019/123834A1
A purification method of desflurane (difluoromethyl-1, 2, 2, 2-tetrafluoroethyl ether represented by formula (1)) according to the present invention comprises a step wherein a mixture containing desflurane and a trihalomethane is brought...  
WO/2019/122075A1
The invention relates to a catalyst and catalyst layer and process for preparing dimethyl ether from synthesis gas or methanol as well as the use of the catalyst or catalyst layer in this process.  
WO/2019/121032A1
The present invention relates to new odorous acetals which are useful as fragrance or flavor materials in particular in providing vanilla and spicy notes with a natural impression resembling vanilla absolute.  
WO/2019/123121A1
Systems and processes for producing isomerized alkenes are disclosed. The systems mainly include an isomerization unit, a dehydrogenation unit, and a MTBE synthesis unit. A hydrocarbon stream is fed into the isomerization unit to form is...  
WO/2019/115760A1
The present invention relates to a process for the hydroxylation of an aromatic compound comprising at least one alkoxy group, said process comprising step (a) reacting said aromatic compound comprising at least one alkoxy group with hyd...  
WO/2019/115654A1
The present invention relates to a process for producing a perfluorovinylether A-CRf=CF-O-B, comprising the steps of : - contacting at least one α,β-dihaloperfluoro ether represented by the formula A-CRfX-CFX-O-B with zero valent zinc ...  
WO/2019/111989A1
The present invention provides: a novel compound which is expected to be used as an intermediate for solvents, cleaning agents, foaming agents, functional materials, and the like; a method for producing this novel compound; and a use of ...  
WO/2019/110710A1
The present invention concerns a process for preparing fluorohalogenoethers in a microreactor.  
WO/2019/109276A1
Disclosed are granular 9,9-bis[3-phenyl-4-(2-hydroxyethoxy)phenyl]fluorene and a preparation method therefor. The granular 9,9-bis[3-phenyl-4-(2-hydroxyethoxy)phenyl]fluorene has greatly improved liquidity, is easy to discharge and conve...  
WO/2019/110464A1
The present invention relates to a method for preparing a dialkyi or dialkenyl ether of a cycloaliphatic or araliphatic diol, which comprises (i) reacting the cycloaliphatic or araliphatic diol with metallic sodium in an aprotic organic ...  
WO/2019/106196A1
A mixture of two alkoxylates surfactants, one being an aryl aliphatic carbinol alkoxylate, the other one being a dialiphatic carbinol alkoxylate, said mixture being useful for stabilizing emulsions and dispersions used in agricultural or...  
WO/2019/106142A1
The present invention describes compositions comprising at least one compound chosen from 4-alkoxyphenol of formula (I) and 2-alkoxyphenol of formula (II), characterized in that it also comprises between 0.1 and 10 000 ppm of at least on...  
WO/2019/104810A1
Disclosed by the present invention are a processing system and method for preparing an acetal by using monohydric alcohol-air catalytic conversion, which solves the problems in the existing technology wherein costs are high, safety and e...  
WO/2019/108959A1
A process for processing lignin includes contacting a mixture comprising lignin and/or lignin-like molecules with a catalyst to form a reaction mixture, and producing one or more reaction products. The reaction mixture comprises one or m...  
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...  

Matches 1 - 50 out of 14,866