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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/2016/038033A1 |
The invention relates to a method for producing a compound of (IV), wherein R1 is an alkyl group having 1 - 4 carbon atoms, comprising the step of reacting cyclohexene with hydrogen peroxide and an alcohol R1OH in the presence of a catal...
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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/2016/036757A1 |
The present disclosure relates to methods for separating and purifying a long chain diacid from other long chain diacids, monocarboxylic acids, hydroxyl acids or alkanes by simulated or actual moving bed chromatography.
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WO/2016/031527A1 |
Provided is an oxidation reactor that is capable of oxidizing a hydrocarbon with good reaction efficiency and energy efficiency. The oxidation reactor comprises a liquid inlet flow passage through which liquid containing a hydrocarbon as...
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WO/2016/033061A1 |
Provided are methods and materials for the functionalization of a heteroalkane or arene using an oxidizing electrophile as a stoichiometric agent or catalyst. The reaction involves the replacement of a hydrogen atom on an sp3-hybridized ...
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WO/2016/029978A1 |
The invention relates to a method for the production of a mixture containing positionally isomeric aliphatic tertiary isononanoic acids based on 2-Ethylhexanol by means of a reaction with concentrated formic acid and a concentrated Brøn...
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WO/2016/031526A1 |
Provided is an oxidation reactor with which hydrocarbons can be oxidized efficiently in terms of both reaction efficiency and energy efficiency. This oxidation reactor is equipped with: a liquid introduction channel through which a liqui...
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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/2016/031491A1 |
Provided is a solid acid catalyst for an oxidation reaction in the presence of both oxygen and ozone, which is used when a substrate is being oxidized in the presence of both oxygen and ozone, wherein the substrate can be oxidized with a...
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WO/2016/026761A1 |
The invention relates to a process for preparing acrylic acid by vaporizing aqueous 3- hydroxypropionic acid and dehydrating the vaporized 3-hydroxypropionic acid in the presence of analuminum oxide catalysthaving a specified amount of a...
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WO/2016/026132A1 |
Provided is a process of oxidizing an alcohol of formula ROH (I), wherein R represents a saturated or unsaturated, linear, branched or cyclic C3-C50 hydrocarbon group which is optionally substituted with a heteroatom, characterized in th...
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WO/2016/026768A1 |
The present invention concerns a process for the recovery of carboxylic acid from a fraction comprising carboxylic acid and impurities, and a process for the manufacture of treated wood, which comprise the step of submitting a fraction c...
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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/2016/026014A1 |
The present invention provides a perillic acid derivative in the form of a salt having formula II, with anti-cancer activity, in which the counter-ion M+ comprises alkali or alkaline earth metals, such as Na+ (sodium), K+ (potassium), Ca...
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WO/2016/026767A1 |
The present invention concerns a process for the obtention of a halogenated carboxylic halide having a reduced content of impurities, a fraction of the halogenated carboxylic halide having a reduced content of impurities, and its use in ...
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WO/2016/023929A1 |
The invention discloses a method for the preparation of trifluoroacetylacetic acid in its dehydrated form with a low content of the hydrate of trifluoroacetoacetic acid.
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WO/2016/024293A1 |
The patent discloses a one step, one pot metal catalyzed process for synthesis of formic acid or sodium formate from CO2 in the presence of reducing agent and a catalyst or without catalyst at moderate temperature and atmospheric pressur...
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WO/2016/023958A1 |
The present invention provides processes and apparatuses for recovering an aromatic monocarboxylic acid from a residue stream in which a first solid extraction is followed by a second extraction.
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WO/2016/019907A1 |
According to embodiments of present disclosure, a method to produce a compound of Formula (19) is provided. Using this method, the compound of Formula (19) may be produced effectively.
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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/2016/020410A1 |
A method of operating a heavy ends column in an acetic acid production unit, said production unit comprising at least a reaction section, a light ends recovery section comprising a light ends distillation column, and a heavy ends column,...
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WO/2016/020603A1 |
Process for producing a calix-[z]-arene in which: - a calix-[z]-arene in which R1=R2=R3=R4=X1=X2=X3=X4=H is supplied, - step (a): - this calix-[z]-arene is treated with an alkylating agent transmitting the R4 residue, so as to obtain a r...
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WO/2016/019868A1 |
Provided are a citric acid salt of a thiadiazole derivative DPP-IV inhibitor, and preparation method, pharmaceutical composition and use thereof for treating and/or preventing diseases benefiting from DPP-IV inhibition, particularly for ...
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WO/2016/020269A1 |
The present invention is directed to an energy-efficient and environmentally friendly process for the production of chemical target compounds from cellulosic material. In a further aspect, the present invention is directed to a system fo...
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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/2016/016375A1 |
The invention relates to a method for producing free-flowing and storage-stable dicarboxylic acid crystals (DK), comprising the following steps: a) crystallizing a dicarboxylic acid from a solution (L), which contains a solvent (LM) and ...
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WO/2016/013245A1 |
The purpose of the present invention is to provide: a catalyst material which is loaded with fine gold particles and has excellent catalytic activity; and a method for producing this catalyst material. A catalyst material according to th...
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WO/2016/011319A1 |
The present technology relates to synthesis of compositions comprising salicylates, polysalicylates and other derivatives of salicylic acid, and personal care and pharmaceutical compositions comprising the same.
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WO/2016/009053A1 |
Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves recovering acetylation fluid from woo...
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WO/2016/009050A1 |
Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves directly using raw acetic anhydride a...
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WO/2016/008745A1 |
The invention relates to a method for concentration and crystallization of fermentable carboxylic acids and salts and mixtures thereof, in which carboxylic acids having a defined temperature dependence of solubility and of osmotic pressu...
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WO/2016/009060A1 |
Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves recirculating acetylation fluid recov...
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WO/2016/009051A1 |
Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves combining acetic acid obtained from d...
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WO/2016/007306A1 |
A process comprising subjecting a composition comprising an alpha- or beta- hydroxycarboxylic acid, water, an extraction solvent, and an acid catalyst to extractive dehydration to form an unsaturated carboxylic acid product.
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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/2016/000850A1 |
The invention relates to a method for operating an integrated power plant with formic acid, comprising several steps. First, formic acid is produced catalytically from a solid fuel at low temperatures in a first reactor. Subsequently, th...
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WO/2016/001033A1 |
The present invention describes a method for dehydrating alpha-substituted carboxylic acids in the presence of water at high pressures while preventing by-products.
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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/2015/193186A1 |
A process for the production of dimethyl ether from gaseous mixtures of carbon monoxide, hydrogen and methyl acetate contaminant comprising contacting a gaseous mixture of carbon monoxide, hydrogen and methyl acetate contaminant in a fir...
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WO/2015/193188A1 |
A catalytic dehydration-hydrolysis process for the co-production of acetic acid and dimethyl ether from a mixture of methanol and methyl acetate and water in which the amount of water fed to the process is controlled by the steps of dehy...
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WO/2015/193328A1 |
A method for scrubbing off-gas generated in production units for the manufacture of acetic acid and an apparatus therefor. The method comprises supplying off-gas and acetic acid solvent at a tick-over flow rate to an acetic acid scrubbin...
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WO/2015/193182A1 |
A process for removing acetaldehyde from a mixture of methyl acetate, dimethyl ether and acetaldehyde comprising distilling mixtures derived from carbonylating dimethyl ether in the presence of a zeolite catalyst to generate an overhead ...
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WO/2015/196019A1 |
The disclosure relates to a method of performing ozonolysis or ozone-based oxidation on a liquid or emulsified reagent using a tubular falling film reactor with one or multiple tubes wherein the combined ozone and carrier gas flow is co-...
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WO/2015/193179A1 |
A process for the co-production of acetic acid and dimethyl ether with reduced formic acid content by distilling a mixture comprising dimethyl ether, methanol and methyl formate; separating methyl formate from the mixture to recover dime...
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WO/2015/193183A1 |
A process for the co-production of acetic acid and dimethyl ether by dehydration- hydrolysis of a feed mixture of methanol and methyl acetate in the presence of at least one catalyst to generate a crude reaction product comprising acetic...
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