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Matches 1 - 50 out of 2,898

Document Document Title
WO/2017/221908A1
Provided is a method that enables a dehydration reaction by which an aimed compound is able to be selectively obtained at high yield by suppressing the generation of a by-product in the regeneration of an aromatic amide compound to a cor...  
WO/2017/212289A1
The present invention relates to a method of reducing, cleaving and/or coupling at least one C=O, C-O, C=C or C=N bond of a compound, using a reagent comprising a stannyl cation.  
WO/2017/206692A1
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 and/or organic amine B cations; m ...  
WO/2017/167705A1
A method for the manufacture of perfluorinated compounds is herein disclosed. In particular, the method is useful for the manufacture of perfluorooxyalkyl carboxylic acid salts which can be used as surfactants. The method envisages the f...  
WO/2017/160044A2
The present invention provides a catalyst composition containing an imidazolium halide and a zinc halide in an alkylene carbonate solvent, a method for preparing the catalyst composition, and a method for preparing an alkylene carbonate ...  
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...  
WO/2017/125759A1
This invention relates to aprocess for the preparation of glycerolcarbonate from the reaction of glycerol and a dialkylcarbonate, for example dimethyl carbonate, or a cyclic alkylene carbonate. More specifically, the invention relates to...  
WO/2017/112625A1
A process for producing an oligomer comprising contacting a dialkyl carbonate and a dihydroxy compound in a reaction zone in the presence of an oligomerization catalyst under oligomerization conditions to form the oligomer wherein the mo...  
WO/2017/112622A1
A process for producing an oligomer comprising contacting a alkylaryl carbonate and a dihydroxy compound in a reaction zone in the presence of an oligomerization catalyst under oligomerization conditions to form the oligomer wherein the ...  
WO/2017/108672A1
The invention relates to a process for reactivating a used catalyst, wherein the used catalyst is a homogeneous catalyst comprising titanium, tin or lead and one or more ligands, which has been used in a process for preparing an aromatic...  
WO/2017/112627A1
A process for producing polycarbonate comprising: a) contacting a dialkyl carbonate with a dihydroxy compound in an oligomerization zone in the presence of an oligomerization catalyst under oligomerization conditions to form a first inte...  
WO/2017/104849A1
A bischloroformate composition characterized by being represented by general formula (1) and comprising a plurality of Ar components, and in that the average number of monomers (m1) obtained by the equation (Eq. 1) is 1.0 to 1.99 inclusi...  
WO/2017/096562A1
The present invention discloses a method for manufacturing a carbonate diester, wherein a liquid catalyst used in the production of the carbonate diester from reaction of an alcohol, carbon monoxide and oxygen is included. The liquid cat...  
WO/2017/093974A1
In an embodiment, a method of purifying an aromatic alcohol comprises melt polymerizing a dihydroxy compound and a carbonate compound in the presence of a transesterification catalyst to form the aromatic alcohol and a polycarbonate in a...  
WO/2017/093472A1
The invention relates to a method for producing organic carbonates (R1O2)CO by means of a catalysed reaction of appropriate alcohols R1OH with carbon dioxide, the starting products of the reaction including, as well as ROH and carbon dio...  
WO/2017/090617A1
A production method is provided which makes it possible to react an alcohol and a halocarbonate ester compound to produce an asymmetric chain carbonate with a high conversion rate and selectivity. This production method of asymmetric cha...  
WO/2017/089441A1
A process for preparing a diaryl carbonate from a dialkyl carbonate and an aryl alcohol is disclosed. The process takes place in apparatus comprising at least two distillation columns, and at least one of the distillation columns is oper...  
WO/2017/065147A1
Diaryl carbonate containing less than 1,000 mass ppm of a compound represented by formula (I), and a method for producing the diaryl carbonate. (In the formula, R1 is a hydrogen atom, halogen atom, alkyl group, alkoxy group, aryl group, ...  
WO/2017/051363A1
The present invention relates in general terms to a new process for the preparation of organic carbonate derivatives, cyclic or linear by a trans carbonation reaction between PCC and a suitable aliphatic alcohol, in the presence of a hom...  
WO/2017/035734A1
A process is provided f or producing dimethyl carbonate with high conversion rate. Alkylene glycol reacts with urea via alcohylysis reaction to produce alkylene carbonate and ammonia. The alkylene carbonate produced reacts with methanol ...  
WO/2017/001365A1
A process for degreasing a chemical plant is disclosed. The vessels and process lines are rinsed with a solvent comprising at least 50wt% dialkyl carbonate, based upon the weight of the solvent.  
WO/2017/004455A1
The present invention provides terephthalic acid in which two of the aromatic ring carbons are derived from ethanol. The present invention also provides PET, PTT, and PBT polymer compositions, and plastic molding compositions and manufac...  
WO/2016/208709A1
A method for producing a 1-(acyloxy)alkyl carbamate derivative (III) using a fluorous alkyl carbonate derivative (I), and a fluorous alkyl carbonate derivative (I) and a method for producing the same. In the formulae: R1 represents a C1-...  
WO/2016/157218A1
The present invention discloses a process for recovery and regeneration of rare earth metals or salts thereof used as catalyst and which is conveniently integrated within the overall flow sheets of manufacturing dialkyl carbonates. Alkyl...  
WO/2016/151602A3
The patent discloses a process for the synthesis of dialkyl carbonates catalysed by a catalyst composition AB oxides, wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios rangin...  
WO/2016/151602A2
The patent discloses a process for the synthesis of dialkyl carbonates catalysed by a catalyst composition AB oxides, wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios rangin...  
WO/2016/151487A1
In an embodiment, a method for producing an alkyl aryl carbonate, comprises producing a dialkyl carbonate azeotrope stream comprising a dialkyl carbonate and an unreacted alkanol; purifying the dialkyl carbonate azeotrope stream in a dia...  
WO/2016/151488A1
In an embodiment, a method for producing an alkyl aryl carbonate, comprises providing a purified dialkyl carbonate stream and a first purified alkanol stream; reacting the purified dialkyl carbonate stream to produce a diaryl carbonate s...  
WO/2016/151602A4
The patent discloses a process for the synthesis of dialkyl carbonates catalysed by a catalyst composition AB oxides, wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios rangin...  
WO/2016/147204A1
The present invention discloses an improved catalyst free process for synthesis of alkyl carbamates in an integrated system comprising a tubular reactor and a striper. The process comprises reacting urea and an alcohol in said tubular re...  
WO/2016/139161A1
The present invention relates to a new process for preparing 3-chloro-2-vinylphenylsulfonate derivatives.  
WO/2016/137067A1
A method for preparing dialkyl carbonate, according to the present invention, comprises the step of reacting cyclic alkylene carbonate and aliphatic alcohol in the presence of a catalyst represented by chemical formula (1) of the descrip...  
WO/2016/137066A1
A method for preparing dialkyl carbonate, according to the present invention, comprises the step of reacting cyclic alkylene carbonate and aliphatic alcohol in the presence of a catalyst comprising a samarium compound represented by chem...  
WO/2016/113323A1
The invention relates to a process for preparing an aromatic carbonate, comprising reacting a dialkyl carbonate or an alkyl aryl carbonate with an aryl alcohol or an alkyl aryl carbonate, resulting in an aromatic carbonate which is an al...  
WO/2016/108364A1
A tin compound of the present invention is characterized by being represented by chemical formula 1 in the specification. When preparing aromatic carbonate from dialkyl carbonate by using the tin compound as a catalyst, it is possible to...  
WO/2016/104760A1
Provided is a carbonate-ester purification apparatus which is provided with: a processing unit which mixes an alcoholic solution of a metal alcoholate, and a first solution including a carbonate ester and an acidic substance, to obtain a...  
WO/2016/104758A1
Provided is a carbonate-ester purification apparatus (200) which is provided with: a first distillation column (20) into which either alcohol and a first solution including a carbonate ester and formaldehyde, or a first solution includin...  
WO/2016/105156A1
An apparatus for separating dimethyl carbonate using pervaporation includes: an atmospheric distillation column and a high pressure distillation column distilling a mixture containing dimethyl carbonate and methanol and separating dimeth...  
WO/2016/102458A1
The invention relates to a composition comprising a titanium or zirconium alkoxide or aryloxide, wherein the alkoxy group in the titanium or zirconium alkoxide is a group of formula R-0- wherein R is an alkyl group having 1 to 4 carbon a...  
WO/2016/076542A1
The present invention relates to a method for separating an organometallic catalyst, comprising the steps of: preparing a first reactant in which a non-uniform metal oxide is formed by adding water to a carbonate reaction mixture contain...  
WO/2016/059566A1
The disclosure concerns processes for the production of dimethyl carbonate comprising (i) refining crude oil to produce a stream comprising offgas; (ii) separating said stream comprising offgas to produce a stream enriched in ethylene an...  
WO/2016/059569A1
The disclosure concerns refining crude oil to produce a first plurality of streams comprising one or more of offgas, naphtha, liquefied petroleum, C3 and C4 olefins, processing at least a portion of the first plurality of streams to prod...  
WO/2016/035051A2
In an embodiment, a method for producing an aryl alkyl carbonate can comprise: reacting methanol with a diaryl carbonate in the presence of a catalyst to form a mixture comprising an aryl alkyl carbonate and a hydroxy compound, wherein t...  
WO/2016/035051A3
In an embodiment, a method for producing an aryl alkyl carbonate can comprise: reacting methanol with a diaryl carbonate in the presence of a catalyst to form a mixture comprising an aryl alkyl carbonate and a hydroxy compound, wherein t...  
WO/2016/026826A1
A method for the reaction of a first compound with a second compound, wherein the first compound has a hazardous substance classification, in accordance with GHS, of GHS06 and can be obtained from the reaction of at least one first fluid...  
WO/2016/026799A1
The invention relates to a method particularly for reacting phosgene with compounds that contain hydroxyl, thiol, amino and/or formamide groups, comprising the steps of: (I) providing a reactor which has a first reaction chamber (300, 31...  
WO/2016/002927A1
 Provided is a production device provided with: a first reactor for generating a second gas containing nitric oxide and an ester including a carbonic acid ester and/or an oxalic acid ester from a first gas containing carbon monoxide, a...  
WO/2015/178463A1
 The purpose of the present invention is a method for producing diphenyl carbonate by a decarbonylation reaction of diphenyl oxalate in the presence of a catalyst, wherein high-purity diphenyl carbonate is produced simply, efficiently,...  
WO/2015/172713A1
The present invention relates to the field of pharmaceutical technology. Disclosed is an intermediate preparation method. The intermediate is used to prepare Ibrutinib. The preparation method comprises enabling a halogenated compound to ...  
WO/2015/172332A1
Catalysts and methods for making cyclic carbonates are disclosed. The catalyst may include at least one polymer quaternary ammonium salt, at least one metal halide and silica gel. The method of making the cyclic carbonates may include fo...  

Matches 1 - 50 out of 2,898