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WO/2015/193185A1 |
In processes for the hydrolysis of a methyl acetate with at least one of water and methanol in the presence of at least one Brønsted acid catalyst to produce acetic acid the performance of the catalyst is improved by using a methyl acet...
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WO/2015/195149A1 |
The present disclosure is a method and system for production of carboxylic based chemicals. A method for producing at oxalic acid may include receiving an anolyte feed at an anolyte region of an electrochemical cell including an anode an...
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WO/2015/188727A1 |
Disclosed is a new method for preparing an azetidinone compound represented by formula (I). The carboxylic ketoester represented by formula (II) serves as the raw material and is subjected to Grignard addition, stereoselective dehydratio...
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WO/2015/189244A1 |
The present invention relates to a method for the acetylation of an aqueous solution of lactic acid to (S)-2-acetyloxypropionic acid. The process comprises in particular removing water from the solution of lactic acid and reacting lactic...
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WO/2015/189481A1 |
The present invention relates to selective catalytic dehydroxylation method of aldaric acids for producing muconic acid and furan chemicals, which can be used directly in fine chemical and polymer applications (FCA/FDCA) and as intermedi...
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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/2015/189223A1 |
The present invention relates to an apparatus (1) for separating a target product from a liquid phase (P) containing the target product, comprising: - at least one primary chamber (3) for a heat transfer medium (W), - at least one first ...
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WO/2015/191763A2 |
This disclosure relates to methods for converting homocitric acid to adipic acid, and more particularly to methods of using metal catalysts to catalyze the conversion of homocitric acid to adipic acid.
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WO/2015/189221A1 |
The invention relates to a system (1) for carrying out heterogeneous catalytic gas-phase reactions, comprising: a reactor (3); at least one line (11), leading into the reactor (3), for introducing reagents into the reactor (3); at least ...
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WO/2015/190941A1 |
The manner of polyethylene terephthalate PET waste recycling, especially raw materials recycling to obtain terephthalic acid and ethylene glycol. In the first stage PET waste bits are digested in a temperature from 190°C to 265°C in hi...
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WO/2015/185365A1 |
The invention relates to a method for separating a mixture containing at least one carboxylic acid vinyl ester of general formula R'-C(O)O-CH=CH2 and at least one carboxylic acid of general formula R'-COOH, wherein R' in either case can ...
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WO/2015/186073A1 |
The present disclosure relates to a process for the purification of crude carboxylic acid including the steps of - reacting at least one Lewis base with at least one crude carboxylic acid at a pre-determined temperature and pressure to o...
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WO/2015/186071A1 |
The present disclosure provides a process for the purification of crude carboxylic acid. The process comprises formation of an adduct of carboxylic acid with a Lewis base. The obtained adduct is treated with at least one fluid medium to ...
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WO/2015/185516A1 |
The invention relates to a method for aggregating and separating an organic material mixture which is provided in a dissolved form in an aqueous emulsion. The method is characterized by the following steps: a) providing an aqueous emulsi...
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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/2015/185361A1 |
The present invention relates to a method for purifying a crude benzoic acid (32) containing 5 to 20% by weight of byproducts and 80 to 95% by weight of benzoic acid, by means of distillation, wherein the distillation is performed in a p...
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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/2015/181285A1 |
The invention relates to a method for producing acrylic acid comprising the steps: (i) preparing a substance flow containing a formaldehyde source and ethanoic acid; and (ii) bringing the substance flow into contact with an aldol condens...
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WO/2015/183685A1 |
The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherei...
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WO/2015/181290A1 |
The invention relates to a method for producing acrylic acid, comprising the steps of (i) providing a flow S4 that contains a formaldehyde source and acetic acid; (ii) bringing said flow S4 into contact with an aldol condensation catalys...
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WO/2015/181023A1 |
The method can be used for preparing a p-hydroxymandelic compound comprising at least a step of condensing at least one aromatic compound bearing at least one hydroxyl group and of which the para position is free, with glyoxylic acid, th...
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WO/2015/181491A1 |
The invention relates especially to a method for grafting oligopeptides into porous hybrid materials, especially metal-organic frameworks (MOFs). The invention also relates to porous hybrid materials functionalised on the outer surface a...
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WO/2015/177093A1 |
The present invention relates to a process for reacting chemical compounds comprising the step of reacting a compound of formula (IV) wherein Hal is independently selected from CI or Br, and X" is a monovalent anion, in the presence of a...
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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/2015/177511A1 |
The present invention relates to a method of preparing a metal organic framework comprising metal ions and carboxylate ligands; the method comprises: reacting (i) a source of metal ions, with (ii) a carboxylic acid precursor of a the car...
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WO/2015/178342A1 |
The present invention provides a method for producing a compound represented by general formula (5) (R1-Ar-X, where Ar, X, X', and R1 are as defined in the present specification and claims), the method characterized by reacting an aromat...
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WO/2015/176562A1 |
The present invention relates to a method for processing acetic acid solvent in an oxidising unit of a PTA industrial apparatus; said method uses a pressure filter machine to filter crude terephthalic acid slurry, and then, using a multi...
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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/2015/173277A1 |
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/2015/173307A1 |
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 of an organic base that is homogeneously dissolved...
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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/2015/171613A1 |
Provided herein are composites made up of carbon-enriched open frameworks, and mechanochemical methods of producing such composites. Such open frameworks may include metal-organic frameworks (MOFs), including for example zeolitic imidazo...
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WO/2015/170713A1 |
Provided is a method for producing a 1,3-di-substituted-cyclobutane-1,2,3,4-tetracarboxylic acid (2) and a dianhydride (3) of the acid with high selectivity and high yield. A 1,3-di-substituted-cyclobutane-1,2,3,4-tetracarboxylic acid (2...
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WO/2015/169854A1 |
The invention provides a method for the preparation of regioisomerically pure intermediates which are useful for the preparation of carboxy-fluorescein-type compounds. Such compounds have broad applications within bio-conjugation and/or ...
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WO/2015/169833A1 |
Process for the recovery of carboxylic acid, in particular acetic acid containing carboxylic anhydride in particular acetic anhydride and other impurities, which comprises: (a) treating a fraction, in particular a fraction originating fr...
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WO/2015/171372A1 |
The present invention provides novel solutions to the problem of recycling carbonylation catalysts in epoxide carbonylation processes. The inventive methods are characterized in that the catalyst is recovered in a form other than as acti...
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WO/2015/170688A1 |
Provided is a metal-supported catalyst comprising a porous coordination polymer as a carrier (a metal-supported porous coordination polymer catalyst), said catalyst having an excellent catalytic activity and being applicable to various k...
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WO/2015/166706A1 |
The present invention addresses the problem of providing a method for producing acetaldehyde by hydrogenating acetic acid, whereby it becomes possible to utilize a raw material efficiently without wasting the raw material and produce ace...
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WO/2015/166507A1 |
The present disclosure provides a process for preparing an aromatic dicarboxylic acid, particularly terephthalic acid; said process comprising oxidizing p-xylene with an oxidizing agent in the presence of a carboxylic acid solvent, at le...
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WO/2015/164978A1 |
The present disclosure provides uses and methods for using compositions comprising a tetrabrachion protein from Staphylothermus marinus or a fragment thereof for detecting and/or recovering polycyclic aromatic hydrocarbons and/or PCBs fr...
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WO/2015/168327A1 |
Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous c...
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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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WO/2015/166935A1 |
Provided are: a polymer comprising any of structural units represented by general formulae (1) to (3) in the polymer chain thereof, wherein at least a part of the structural unit has been stacked; a complex polymer wherein the aforesaid ...
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WO/2015/162281A1 |
A rotary filter comprising (i) a housing comprising a first wash zone comprising a first wash fluid input zone, a final wash zone comprising a final wash fluid input zone, and one or more intervening wash zone(s) each comprising a wash f...
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WO/2015/161684A1 |
The present invention relates to a solvent exchanger and a method for improving the exchange efficiency of a CTA solvent. The method comprises the following steps: (1) pressurizing a CTA slurry into a solvent exchanger for separation, an...
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WO/2015/159893A1 |
Provided is a method for manufacturing, by a simple method, a fatty acid chloride that does not cloud and has stable color over time. A fatty acid chloride is produced by causing a fatty acid with a carbon number of 8-22 and one-third to...
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