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WO/2016/087501A1 |
The present invention relates to a method for producing acrylic acid from ethanoic acid and formaldehyde, comprising the steps of (a) preparing a substance flow S1 comprising ethanoic acid and formaldehyde, the molar ratio of ethanoic ac...
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WO/2016/083736A1 |
The invention relates to a method for the metathesis of olefin(s). The method according to the invention comprises bringing at least one fatty acid ester or a fatty acid into contact with a metathesis catalyst, said fatty acid ester or f...
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WO/2016/080033A1 |
This liquid crystal aligning agent is configured to contain a compound (X) that has a partial structure represented by formula (1). (In formula (1), each of R1 and R2 independently represents a hydrogen atom, a halogen atom, a cyano grou...
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WO/2016/078594A1 |
Disclosed are a pyrrole ring-containing proton pump inhibitor being hemifumarate, crystal form, intermediate and medical use thereof. In particular, the present invention relates to a pyrrole ring-containing proton pump inhibitor being a...
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WO/2016/074068A1 |
Described herein are compounds of Formula I, or pharmaceutically acceptable salts thereof, or combinations thereof, as well as uses thereof. Such uses include promoting tissue self-repair or tissue regeneration of an organ, stimulating t...
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WO/2016/076559A1 |
The present invention relates to a continuous recovery method of (meth)acrylic acid and an apparatus used in the recovery method. According to the present invention, provided are a continuous recovery method of (meth)acrylic acid which e...
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WO/2016/067297A1 |
The compositions and compounds of formula I, formula II, formula III and formula IV which includes a salt of valproic acid or its polymorphs, enantiomers, stereoisomers, solvates, and hydrates thereof. These salts may be formulated as ph...
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WO/2016/062422A1 |
A process and an apparatus for the purification of a crude acrylic acid composition containing maleic anhydride as an impurity comprising the following steps: (a) carrying out at least one dynamic melt crystallization stage (14, 14a, 14b...
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WO/2016/061120A1 |
The present invention generally relates to a method for reducing polymer agglomeration or fouling, and its use in processes for the preparation of an acrylate, methacrylic acid, or a methacrylate. According to the present invention, the ...
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WO/2016/058282A1 |
Disclosed is a method for recycling urea in the process of separating and purifying unsaturated substances through a urea adduction method. The method comprises the following steps: liposoluble substances containing target unsaturated co...
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WO/2016/058283A1 |
The present invention relates to a preparation method for a polyunsaturated fatty acid-calcium, primarily comprising directly reacting a polyunsaturated fatty acid material and a water-soluble calcium compound to obtain a polyunsaturated...
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WO/2016/057449A1 |
Processes for producing an α,β-unsaturated carboxylic acid, such as acrylic acid, or a salt thereof, using solid promoters are disclosed. The starting material either is a metallalactone or comprises an olefin and carbon dioxide. The s...
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WO/2016/054728A1 |
The present invention concerns the use of compounds for preventing and/or treating osteoporosis, for stimulating bone formation, for stimulating bone remodeling, for stimulating the differentiation and mineralization of osteoblasts, for ...
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WO/2016/056851A1 |
The present invention relates to a continuous acrylic acid manufacturing method and a manufacturing apparatus using same, wherein the manufacturing method comprises the steps of: (1) using a catalyst to partially oxidize and react a reac...
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WO/2016/050582A1 |
The invention relates to a method for recovering acrylic acid, having the following steps a) separating a temperature-controlled mother acid stream from a crystallization device in the direction of an absorption column (201) and in the d...
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WO/2016/054129A1 |
A variety of inorganic-organic hybrid materials and various methods for preparing and using the same are described. The hybrid materials are graphene or graphitic materials populated with organic molecules and may have a variety of surfa...
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WO/2016/041506A1 |
Provided is a method for preparing a high-content conjugated linoleic acid product by using ordinary vegetable oil as a raw material. The method comprises three steps of alcoholysis, purification and isomerization of the vegetable oil. T...
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WO/2016/043626A1 |
The invention relates to novel salts of zinc and copper (II) having the general formula CH2=C(R1)COO-M-OCOR2, where М is Zn or Cu, R1 is Н or СН3, and R2 is a С2-С25 alkyl, or the group R2-СО-О stands for a crotonate, a sorbate ...
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WO/2016/043412A1 |
The present invention relates to a recovery method and a recovery device for (meth) acrylic acid. The recovery method can omit a separation process of high boiling point byproducts, and thus can economize on the energy supplied to a (met...
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WO/2016/037775A1 |
The invention relates to a method for the continuous dehydration of aqueous 3-hydroxypropanoic acid to form acrylic acid in a liquid phase, wherein the liquid phase has a temperature of 120 to 250°C, aqueous acrylic acid is continuously...
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WO/2016/039618A1 |
The invention provides method for producing high selectivity trans-crotonic acid from bio-based resource wherein the steps comprise of treatment of poly(3-hydroxbutyrate) (PHB) biomass with mild alkali; and thermal degradation of the PHB...
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WO/2016/039479A1 |
Provided is a catalyst which is able to be easily produced at low cost and has high activity and a long service life, while being suppressed in leakage of a metal. Some embodiments of the present invention provide a catalyst which is cha...
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WO/2016/032403A1 |
The present invention provides a method for synthesizing an aliphatic polycarboxylic acid, the method comprising the steps of: (a) dehydrating a polyhydroxycarboxlic acid using a rhenium-based catalyst to produce an unsaturated polycarbo...
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WO/2016/028190A1 |
Zinc or copper (II) salt of general formula CH2=C(R)COO-M-OCOH, where М is Zn or Cu, R is Н or CH3, usable as a biocide.
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WO/2016/026763A1 |
The invention relates to a process for preparing acrylic acid, which comprises contacting a reaction gas comprising 3-hydroxypropionic acid with a metal oxide-containing catalyst composition to obtain a gaseous reaction product containin...
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WO/2016/025312A1 |
A process for preparing a conjugated linoleic acid (CLA) material that is enriched in the cis 9, trans 11 (rumenic acid) CLA isomer. The process involves subjecting a material containing at least 75 weight % CLA moieties to an enzymatic ...
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WO/2016/021441A1 |
A mixture of a polyfluoralkene carboxylic acid indicated by general formulas CnF2n+1CH=CF(CF2CF2)mCF2COOM and Cn-1F2n-1CF=CHCF2(CF2CF2)mCF2COOM (M indicates a hydrogen atom, an ammonium salt, an organic amine salt, or an alkali metal, n ...
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WO/2016/017722A1 |
The present invention provides a method enabling reuse of, as if new, a used inert substance that has been conventionally discarded after being used once in a reaction. In the method for recovering an inert substance according to the pre...
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WO/2016/015972A1 |
A process for preparing acrylic acid from methanol and acetic acid, comprising (i) contacting a gaseous stream S0 comprising methanol, oxygen and inert gas with an oxidation catalyst to obtain a gaseous stream S1 comprising formaldehyde ...
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WO/2016/016641A1 |
A quaternary ammonium salt of formula wherein each of R1, R2, R3 and R4 is independently selected from an optionally substituted alkyl, alkenyl or aryl group having less than 8 carbon atoms and R5 is hydrogen or an optionally substituted...
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WO/2016/011767A1 |
Provided is a preparation method for high purity clopidogrel and salt thereof. In the present method, inorganic acid solution is used to wash an organic phase containing clopidogrel till a specific pH value range is reached; during the p...
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WO/2016/002649A1 |
Provided is a method with which it is possible to highly selectively produce isobutylene by a dehydration reaction of isobutanol. A method for producing isobutylene by dehydrating isobutanol, wherein the method for producing isobutylene ...
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WO/2015/197197A1 |
This invention relates to a process for the purification of acrylic acid from a mixture containing acrylic acid and acetic acid, comprising the following steps: i) extraction of the mixture containing acrylic acid and acetic acid with an...
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WO/2015/192060A1 |
A process for purifying a polycarboxylic acid from a mixture is provided. Optionally, the mixture is an aqueous solution and optionally the process comprises an acidification step and/or the use of one or more organic solvents. Also prov...
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WO/2015/190037A1 |
Provided is an ink containing a compound represented by general formula (1) below where R1 represents a hydrogen atom or a methyl group, n represents an integer of 2 or greater, a plurality of R1 may be the same as or different from each...
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WO/2015/191922A1 |
Enteric elastomers and related methods are generally provided. In some embodiments, the enteric elastomer is a polymer composite. Certain embodiments comprise a polymer composite in which hydrogen bonds within two carboxyl group-containi...
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WO/2015/186614A1 |
The present invention addresses the problem of providing a novel compound capable of imparting a highly appealing floral and verdant aroma, and a fragrance composition containing the same. This compound is a racemic or optically active c...
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WO/2015/186787A1 |
Provided is a production method whereby corresponding carboxylic acid anhydrides and carboxylic acid esters can be obtained at high yield from various carboxylic acids even without a solvent and near room temperature. A method for produc...
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WO/2015/183744A1 |
Processes and compositions reduce free fatty acid (FFA) in oils and fats and in neutral or acidic alkyl ester. The oils and fats or alkyl ester is heated to temperatures from 90 °F to 150 °F, and lower numbered alcohol and dilute caust...
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WO/2015/177179A1 |
A process to prepare a compound of Formula (I) wherein R3, R4 and R5 are each selected independently from hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxyl, and wherein the alkyl, alkenyl, alkynyl, and alkoxyl may be optionally substit...
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WO/2015/177026A1 |
The invention relates to a method for dehydrating aqueous 3-hydroxypropionic acid to form acrylic acid. In a first step of said method, a low-water mixture of monomeric 3-hydroxypropionic acid and oligomeric 3-hydroxypropionic acid is pr...
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WO/2015/179426A1 |
Disclosed herein are flame retardant compounds and polymer compositions containing these flame retardant compounds. The flame retardant compounds can be derived from biological sources and can include coordinated metal ions.
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WO/2015/177029A1 |
The invention relates to a method for dehydrating aqueous 3-hydroxypropanoic acid to form acrylic acid. In a first step of said method, an aqueous mixture of 3-hydroxypropionic acid and oligomeric 3-hydroxypropionic acid is reacted in a ...
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WO/2015/173276A1 |
Catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst and releasing the α,β-ethylenically unsaturated carbo...
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WO/2015/174933A1 |
There is provided a method for detecting the presence or absence of acrylic acid or its derivatives thereof in a sample, the method comprising the steps of: (a) introducing a probe comprising a diaryltetrazole compound to the sample; (b)...
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WO/2015/173277A1 |
Catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, wherein an alkene and carbon dioxide are reacted in the presence of a carboxylation catalyst and in the presence of a specific aryloxide to obtain t...
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WO/2015/173296A1 |
Process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising, reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst to obtain a catalyst-coordinated carboxylated intermediate, trea...
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WO/2015/173295A1 |
Process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising, reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst and releasing the α,β-ethylenically unsaturated carboxylic aci...
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WO/2015/171516A1 |
The present invention relates to compounds of Formula I, compositions containing same, and methods of use.
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WO/2015/166911A1 |
Provided is a method for producing (meth)acrylic acid that makes it possible to suppress the generation of carbide and to improve the yield of (meth)acrylic acid. A method for producing (meth)acrylic acid by gas-phase catalytic oxidation...
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