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Matches 251 - 300 out of 33,284

Document Document Title
WO/2018/078924A1
Provided is a production method for acetic acid, the method being capable of inhibiting precipitation and accumulation of a catalyst in a vaporization tank, and efficiently recycling the catalyst into a reaction tank, thereby maintaining...  
WO/2018/073124A1
The invention relates to the preparation of fluorosubstituted fluoroformate from halosubstituted haloformate by reaction with at least one fluorinating agent in the presence of a catalyst. The further preparation of fluorosubstituted (fl...  
WO/2018/072289A1
Disclosed is a method for preparing a maleate by a selective catalytic oxidation of lignin. The method, by using a heteropolyacid functionalized ionic liquid as a catalyst and an alcohol-water solution as a reaction medium, achieves effi...  
WO/2018/073463A1
The present invention provides an improved method for the extraction by oxidation of humic substances from carbon, the method including a step of milling by means of sonication before the step of oxidising, the step of oxidising being ca...  
WO/2018/070851A1
The present invention relates to a method for preparing a halogen-substituted benzyl alcohol from a halogen-substituted benzoic acid. When a halogen-substituted benzyl alcohol is prepared by using the method of the present invention, sod...  
WO/2018/071320A1
The (1R,3R)- or (1S,3S)-enantiomer of 2,2-dichloro-3-(substituted phenyl)cyclopropane-carboxylic acid is prepared in a process involving chemical resolution of a racemic mixture of a trans-2,2-dichloro-3-(substituted phenyl)cyclopropanec...  
WO/2017/053652A8
Methods for producing cycloaddition products comprising: reacting a diene with a dienophile in the presence of one or more boron-based catalysts of Formula (I) or Formula (II) are provided. In particular, the methods can be used to prepa...  
WO/2018/071369A1
A novel method for the catalytic selective decarboxylation of a starting material to produce an organic acid is disclosed. According to at least one embodiment, the method may include placing a reaction mixture into a reaction vessel, th...  
WO/2018/066248A1
[Problem] To provide a method for producing oxalic acid with high efficiency by a simple process and within a short time. [Solution] An aqueous solution is prepared, which contains a carbohydrate, hydrogen carbonate ions and calcium ions...  
WO/2018/065475A1
A process for the preparation of methylsuccinic acid in any form, including its salts, its mono- and diester derivatives and the anhydride thereof, which comprises reacting citric acid or a derivative thereof in decarboxylation condition...  
WO/2018/066447A1
A method for producing 1, 4-dicyanocyclohexane, which comprises a step for obtaining 1, 4-dicyanocyclohexane by subjecting a thermal concentrate of an ammonia aqueous solution of 1, 4-cyclohexane dicarboxylic acid to a cyanation reaction.  
WO/2018/066158A1
The present invention addresses the problem of providing a metal oxide catalyst which achieves a high reaction yield in an ammoxidation or oxidation reaction of propane, while minimizing decrease in the catalyst yield in the reaction ove...  
WO/2018/059745A1
The invention relates to a process for producing allyl alcohol, the process comprising: dehydrating a C3-oxygenate comprising monopropylene glycol or 1,3-propanediol; wherein the dehydration is performed in the presence of a basic cataly...  
WO/2018/060185A1
The invention relates to a method for producing an oxidic composition supported on a carrier material and containing vanadium, tungsten, phosphorus, and oxygen, comprising (i) providing an aqueous tartrate solution containing vanadium an...  
WO/2018/064504A1
A method of increasing a density of carboxylic acids on a surface of a carbon nanoparticle is disclosed. The method includes contacting an oxygen-containing functional group on a surface of a carbon nanoparticle with a reducing agent to ...  
WO/2018/062854A1
The present invention relates to a method for producing 1,3-cyclohexanedicarboxylic acid, wherein the efficiency and economic feasibility of a reaction can be improved by using a catalyst which exhibits excellent activity and has improve...  
WO/2018/062952A1
The present application relates to a complex process for reducing carbon dioxide and producing formic acid and potassium sulfate and to an apparatus for said complex process.  
WO/2018/054627A1
The invention relates to a method for production of propanol, propionaldehyde, and/or propionic acid, wherein CO and C2H4 are provided from electrolysis of CO2, and preferably hydrogen is also electrolytically provided, and the CO and C2...  
WO/2018/053289A1
The present invention relates to uses of vanadium to convert aldehydes and ozonides into their respective acids and/or ketones. More particularly, this invention relates to the oxidative work-ups following ozonolysis using vanadium, usin...  
WO/2018/049836A1
A polymorph III of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N'-[4-(2-methy lpropoxy)phenylmethyl]urea tartrate, a preparation method therefor, and a medicinal use. Compared to the existing crystalline forms, the new crystalline form...  
WO/2018/051933A1
The purpose of the present invention is to clarify moisture absorption characteristics of a catalyst for acrylic acid production, ascertain a relationship between moisture content in the catalyst and performance as a catalyst for acrylic...  
WO/2018/051115A1
A process for the production of glycolic acid or a derivative thereof comprises: reacting formaldehyde with carbon monoxide and water in a carbonylation reactor in the presence of a sulfurcatalyst, said reactor operating under suitable c...  
WO/2018/051840A1
Provided is a methacrylic acid production catalyst that achieves a high methacrylic acid yield. The methacrylic acid production catalyst is used when producing methacrylic acid by subjecting methacrolein to vapor-phase contact oxidation ...  
WO/2018/051775A1
Provided is a method for producing high-purity terephthalic acid, said method including the following steps (a) through (e): (a) a step for liquid-phase oxidizing a p-phenylene compound to obtain crude terephthalic acid crystals; (b) a s...  
WO/2018/048935A1
Provided are methods, processes and systems for treating a soapstock. In alternative embodiments, provided are systems and methods for treating a soapstock to generate free fatty acids and/or fatty acid derivatives, e.g. fatty acid alkyl...  
WO/2018/047443A1
Crystals of a C4 dicarboxylic acid having a high oil absorption and a process for producing the crystals are provided. The crystals of a C4 dicarboxylic acid have an oil absorption, as determined in accordance with JIS K 5101-13-2 (2004)...  
WO/2018/047184A1
The invention provides a process for recovering oxalic acid used in ferrous metal pickling procedures, thereby reducing the total cost and environmental load of the pickling treatments.  
WO/2018/040745A1
Provided is a micro-channel continuous flow reaction method for performing terephthalic acid chlorination so as to synthesize terephthaloyl chloride. Compared with the existing process, the process has the characteristics of being accura...  
WO/2018/044874A1
Metal Organic Framework (MOF) materials and methods of making MOF materials. The methods include grinding of mixtures of metal hydroxide(s) and ligand(s). The MOF materials may have at least two different ligands. The MOF materials may h...  
WO/2018/039845A1
Provided is a method for preparing hydroxybenzoic anhydride. Benzoic acid and acetic anhydride are put in a container, a reaction mixture is slowly distilled to obtain a pure hydroxybenzoic anhydride product, and a mother liquor with a m...  
WO/2018/042060A1
The invention relates to an open-pore membrane having nano-cavity polymer structures in solid separating media for separating fatty acids and/or carboxylic acids from principally aqueous mixtures, and to a method for producing said membr...  
WO/2018/042461A1
The present invention describes an improved method for the synthesis of substantially pure Permethrin (1) having purity greater than 99.5% by Gas Chromatography (GC). The invention also relates to a purification process of Permethrin by ...  
WO/2018/008982A3
The present invention relates to a method for producing benzoic acid by selectively oxidizing acetophenone in the presence of an acetic acid solvent and a manganese salt catalyst, can produce benzoic acid in a high yield through an econo...  
WO/2018/036539A1
Disclosed are a crystal of a maleate of a compound of formula (I), a preparation method for the crystal, a crystallization composition of same, a pharmaceutical composition of same, and uses thereof in preventing and treating a tumor.  
WO/2017/004349A3
The present invention provides methods for the production of terephthalic acid and derivatives thereof using ethylene oxide, carbon monoxide and furan as feedstocks. The process is characterized by high yields and high carbon efficiency....  
WO/2018/035208A1
The present invention provides a synthetic chemical method for preparing ω-hydroxylated polyunsaturated fatty acids (PUFAs) including 20-hydroxyeicosatetraenoic acid (20-HETE), 20-hydroxyeicosapentaenoic acid (20-HEPE), and 22-hydroxydo...  
WO/2018/032796A1
Disclosed is a novel 2-fluorocyclopropane carboxylic acid synthesis method, comprising the following steps: 1) reacting 1,1-dichloro-1-fluoroethane with thiophenol in the presence of alkali to produce a phenyl sulfide intermediate; 2) ca...  
WO/2018/030655A1
The present invention relates to: a heterogeneous catalyst, which is an alcohol carbonylation catalyst and comprises a carbon nitride support, rhodium and palladium, wherein the rhodium and the palladium are dispersed and located inside ...  
WO/2018/028673A1
Provided are a maleate of a quinazoline derivative-like tyrosine kinase inhibitor as shown in formula (1), and a crystal form thereof and a preparation method therefor, a pharmaceutical composition comprising the maleate and crystal form...  
WO/2018/022826A1
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a feed stream containing lactic acid, lactic acid derivatives, or mixtures thereof with a molten salt catalyst comprising an ionic liquid (IL) a...  
WO/2017/165689A3
An aspect of the present disclosure is a microbial cell that includes a genetic modification resulting in the expression of a deficient form of an endogenous dioxygenase, and a gene encoding an exogenous dioxygenase and a promoter sequen...  
WO/2018/020321A1
The methods described herein provide an efficient way to remove and isolate short chain fatty acids from hydrocarbons that are produced upon the heating of a fatty acid resource. The short chain fatty acids can be continuously isolated a...  
WO/2018/022828A1
Catalysts for the dehydration of lactic acid, lactic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof in liquid phase comprising an ionic liquid (IL) and an acid are provided.  
WO/2018/016100A1
Readily-absorbable calcium compositions in the prior art have the problem that the large particle sizes thereof result in the composition precipitating soon after being added to beverages and the like. These compositions also have the pr...  
WO/2018/015351A1
The invention relates to a method for catalytically producing formic acid and regenerating the catalyst used in the process. A vanadyl ion, vandate ion, or polyoxometallate ion, which is used as the catalyst, of the general formula [PMox...  
WO/2018/015479A1
The invention relates to a catalyst which comprises: a) a mixed metal oxide of molybdenum, vanadium, niobium and optionally tellurium; and b) ceria particles having a crystallite size greater than 15 nanometers (nm); wherein the amount o...  
WO/2018/016155A1
The problem to be solved by the present invention is to produce, with satisfactory reproducibility, a metal oxide catalyst having excellent catalyst performance. The process for producing a metal oxide catalyst according to the present i...  
WO/2018/015352A1
The invention relates to a method for separating formic acid from a reaction mixture by means of extraction, wherein, in addition to the formic acid, the reaction mixture comprises a polyoxometalate ion of general formula [PMoxVyO40]n- a...  
WO/2018/015489A1
Process for the preparation of a compound of Formula (I), the process comprising the reaction of a compound of Formula (II) with malononitrile in the presence of a base and a palladium catalyst, Formula (II) wherein X, Y and Z, independe...  
WO/2018/012425A1
Provided is a method for manufacturing carboxylic acid or a salt thereof under a moderate condition and in a simple, highly-selective, high-yielding manner. Provided is a method for manufacturing a compound represented by general formula...  

Matches 251 - 300 out of 33,284