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Matches 1 - 50 out of 32,711

Document Document Title
WO/2018/110126A1
Provided is a catalyst precursor for producing an α, β-unsaturated carboxylic acid, the catalyst precursor being capable of producing an α, β-unsaturated carboxylic acid at high yield. Also provided is a method for producing a cataly...  
WO/2018/105993A1
The present invention relates to a recovery method for (meth)acrylic acid and an apparatus used in the recovery method. In the recovery method for (meth)acrylic acid according to the present invention, (meth)acrylic acid aqueous solution...  
WO/2018/104661A1
The invention aims to produce technical (meth)acrylic acid while avoiding the problem of fouling of the equipment used to purify the raw reaction mixture for (meth)acrylic acid synthesis, in particular due to the presence of glyoxal form...  
WO/2018/106238A1
Processes and systems for separating a mixture including at least one fluorocarboxylic acid and at least one carboxylic acid are provided herein. In some aspects, the present invention relates to processes and systems configured to provi...  
WO/2018/104208A1
In accordance with the present subject matter there is provided a method of cleaving oleic acid and/or derivatives thereof, the method comprising oxidatively cleaving oleic acid, and/or derivatives thereof with oxygen, hydrogen peroxide,...  
WO/2018/102399A1
The present invention provides indane acetic acid and their derivatives and methods for the treating and/or preventing of cognitive disorders.  
WO/2018/097515A1
The present invention relates to a continuous recovery method of (meth)acrylic acid and an apparatus for use in the recovery method. A continuous recovery method of (meth)acrylic acid according to the present invention can ensure a high ...  
WO/2018/094753A1
Disclosed is a method for preparing magnesium citrate, comprising the following steps: raw material preparation – preparation of an aqueous citric acid solution – neutralization reaction – material concentration – centrifugal deh...  
WO/2018/095973A1
A method and a system for producing glycolic acid and/or glycolate from sustainable resources.  
WO/2018/094687A1
Provided is a method for preparing a low-grade unsaturated fatty acid ester. The method comprises: dimethoxymethane (DMM) and low-grade fatty acid or ester with a molecular formula being R1-CH2COOR2 undergo an aldol condensation reaction...  
WO/2018/094754A1
Disclosed is a method for preparing selenium citrate, comprising the following steps: raw material preparation – preparation of an aqueous citric acid solution – neutralization reaction – material concentration – centrifugal dehy...  
WO/2018/094755A1
Disclosed is a method for preparing copper citrate, comprising the following steps: raw material preparation – preparation of an aqueous citric acid solution – neutralization reaction – material concentration – centrifugal dehydr...  
WO/2018/094757A1
Disclosed is a method for preparing anhydrous trisodium citrate, comprising the following steps: raw material preparation – preparation of a sodium hydroxide solution – neutralization reaction – material concentration – crystal p...  
WO/2018/097516A1
The present invention relates to a continuous recovery method of (meth)acrylic acid and an apparatus for use in the recovery method. A continuous recovery method of (meth)acrylic acid according to the present invention can ensure a high ...  
WO/2018/094691A1
The present invention provides a method for preparing acrylic acid and methyl acrylate. The method comprises: raw gas containing dimethoxymethane and carbon monoxide by means of a solid acid catalyst, at a reaction temperature of 180-400...  
WO/2018/096517A1
The present invention specifically relates to novel salt and crystalline form of haloacetic acid and its process of preparation. The invention more particularly relates to novel crystalline form dichloroacetate tromethamine salt and its ...  
WO/2018/090929A1
Provided is a method for biologically preparing (1R,2S)-2-(3,4-difluorophenyl)cyclopropanamine D-mandelate (I), comprising: (a) performing an asymmetric reduction reaction with a compound of formula (VI) as a substrate in the presence of...  
WO/2018/093057A1
The present invention relates to catalyst preparation method, and a method for preparing an unsaturated carboxylic acid by using the catalyst prepared according to the preparation method. A catalyst that can provide an unsaturated carbox...  
WO/2018/087767A1
The invention provides processes for the preparation of HU-910, which are scalable to industrial purposes, using safer reagents and having high yield and pure product and a crystalline structure of HU-910, which is a unique product thereof.  
WO/2018/089971A1
A process for the preparation of bio-based malonic acid and crystalline calcium malonate is provided. The calcium malonate is highly pure and provides a source of malonic acid made from a renewable carbon source rather than existing proc...  
WO/2018/085254A1
Provided herein are absorbent polymers produced from beta-propiolactone, and methods and systems of producing such polymers. The beta-propiolactone may be derived from ethylene oxide and carbon monoxide. The absorbent polymer may be bio-...  
WO/2018/085618A1
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an a...  
WO/2018/084460A1
The present invention relates to a method for producing an unsaturated aldehyde and unsaturated carboxylic acid. According to the present invention, a method is provided for producing an unsaturated aldehyde and unsaturated carboxylic ac...  
WO/2018/078901A1
The purpose of the present invention is to provide an acetate compound in which acetic acid odor can be reduced and decomposition of glucose can be suppressed even when the acetate compound is made to coexist with glucose. This compound ...  
WO/2018/078585A1
The present invention relates to the field of chemical sciences. The present invention generally relates to a simple, economic and effective process for the conversion of carbon dioxide to methanol in the presence of carbenes or their de...  
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/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)...  

Matches 1 - 50 out of 32,711