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WO/2012/168905A1 |
A process for preparing formic acid by hydrogenation of carbon dioxide in the presence of a tertiary amine (I) and a catalyst at a pressure of from 0.2 to 30 MPa abs and a temperature of from 20 to 200°C, wherein the catalyst is a heter...
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WO/2012/168396A1 |
A process for preparing formic acid by hydrogenation of carbon dioxide in the presence of a tertiary amine (I) and a catalyst at a pressure of from 0.2 to 30 MPa abs and a temperature of from 20 to 200°C, wherein the catalyst is a heter...
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WO/2012/156362A1 |
The present invention relates to a method for recovering acetic acid. The invention relates specifically to a method including a step of liquid-liquid extraction from an aqueous solution containing acetic acid, and a step of distillation...
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WO/2012/148554A1 |
A method for determining the characteristic of one or more components in a step of an acetic acid production process using Raman spectroscopy. The process includes providing a feed stream comprising multiple components to a separations u...
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WO/2012/148462A1 |
The present invention relates generally to processes for producing ethanol and acetic acid and, in particular, to a process for integrating an ethanol production process with an acetic acid production process.
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WO/2012/148457A1 |
A process for producing ethanol and, in particular, to a process for reducing the concentration of acetic acid in a crude ethanol product by esterifying unreacted acetic acid with an alcohol.
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WO/2012/148459A1 |
This invention relates to a process for removing water from an alcohol mixture, such as an ethanol mixture, to produce ethanol by hydrogenating acetic acid. The water is removed from a distillate of a first column using an adsorption uni...
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WO/2012/148461A1 |
A process for removing water from an acetic acid stream in the production of alcohols, such as ethanol produced by hydrogenating acetic acid. Water is removed from the acetic acid stream using an adsorption unit, membrane, molecular siev...
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WO/2012/139492A1 |
Disclosed is a method for producing butyric acid which comprises fermenting a feedstock using a bacterium. The feedstock comprises lactic acid, or the feedstock comprises lactic acid and at least one carbohydrate.
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WO/2012/136121A1 |
An amino phenylpropanoid compound, or a geometric isomer thereof, or a pharmaceutically acceptable salt or hydrate thereof as represented by Formula I, a preparation method therefor, and a pharmaceutical composition containing the compou...
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WO/2012/136353A1 |
The invention relates to a process for the manufacture of α,α- branched carboxylic acids vinyl esters comprising the following steps: - isomerising and converting an olefin feed with CO and water under Koch reaction conditions to make ...
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WO/2012/134543A1 |
A process for producing ethanol comprising the steps of hydrogenating an acetic acid feed stream to form a crude ethanol product and separating at least a portion of the crude ethanol product to form an ethanol stream and at least one ve...
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WO/2012/133501A1 |
[Problem] To provide a method for producing a highly pure difluoroacetic acid chloride composition product that at least contains difluoroacetic acid fluoride, using a simple means and a simple device. [Solution] A method for purifying d...
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WO/2012/120571A1 |
A method of the present invention comprises the following steps: a step (a) for preparing a device, which is provided with a cathode chamber (102), an anode chamber (105) and a solid electrolyte membrane (106), and wherein the cathode ch...
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WO/2012/118888A2 |
There is disclosed a method of coupling and integrating natural gas recovery and separation along with chemical conversion. In one embodiment, the method comprises extracting at least one natural gas component from a natural gas stream. ...
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WO/2012/115356A2 |
The present invention relates to a method for recovering acetic acid from reactor discharge gas in the oxidation process of an aromatic compound. Particularly, when the oxidation process of an aromatic compound is performed, gas discharg...
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WO/2012/113495A1 |
The invention relates to a method for recovering high-grade biodegradable fatty alcohols from waste fats and/or waste oils. To this end the waste oils or fats are first of all split by hydrolysis. After cleaning with short-chain alkenes ...
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WO/2012/101403A1 |
A process for the production of methyl acetate and/or acetic acid by contacting a carbon monoxide-containing gas and methanol and/or reactive derivatives thereof with a mordenite loaded with copper and silver loaded by ion-exchange and s...
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WO/2012/095345A1 |
The invention relates to a continuous method for producing formic acid from CO2, extracting the formic acid using compressed CO2.
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WO/2012/090124A2 |
The present disclosure is related to percarboxylic acid compositions formed in situ in non-equilibrium reactions. The peroxycarboxylic acid compositions are formed using ester based starting materials. Methods for using the percarboxylic...
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WO/2012/091899A1 |
Methods are disclosed for producing, from renewable carbon sources, acetic acid in an economical manner. In particular, these methods are directed to the separation and recovery of acetic acid as a substantial product (e.g., as much as 5...
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WO/2012/084691A1 |
The invention relates to a method for producing formic acid by reacting carbon dioxide (1) with hydrogen (2) in a hydrating reactor (I) in the presence of a catalyst comprising an element from the 8th, 9th, or 10th group of the periodic ...
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WO/2012/086386A1 |
The present invention produces acetic acid while effectively inhibiting the concentration of hydrogen iodide in an evaporation tower (second evaporation tower) which purifies crude acetic acid by re-evaporation. An acetic acid production...
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WO/2012/081416A1 |
A method for producing acetic acid while inhibiting the generation or increase in the concentration of hydrogen iodide in a carbonylation reactor, and the corrosion of the carbonylation reactor. In an acetic acid production process havin...
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WO/2012/081418A1 |
The present invention provides a process in which acetic acid is produced while inhibiting the concentrations of hydrogen iodide and acetic acid from rising in an acetaldehyde distillation tower. The process comprises: a step in which me...
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WO/2012/082485A2 |
Eductor mixers are used to mix the reaction medium in a carbonylation reactor. A portion of the reaction solution withdrawn from the reactor and directed through a pump around loop. The pump around loop is fed back to the reactor through...
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WO/2012/081723A1 |
In order to construct a synthetic pathway of a compound without any limitation on chemical transformation rules, this synthetic pathway constructing equipment is provided with: a conversion section for converting the chemical structures ...
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WO/2012/081417A1 |
A method for producing acetic acid while inhibiting the generation or increase in concentration of hydrogen iodide in a flash evaporation chamber. A serial acetic acid production process comprises: a reaction step in which methanol and c...
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WO/2012/078593A2 |
Described herein are compounds that are antagonists of lysophosphatidic receptor(s). Also described are pharmaceutical compositions and medicaments that include the compounds described herein, as well as methods of using such antagonists...
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WO/2012/078552A1 |
The present invention relates to recovery of acid, and in particular acetic acid, in a vinyl acetate production process. Vinyl acetate production produces heavy ends that comprise acetate containing compounds, such as monomers and polyme...
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WO/2012/074628A1 |
The invention provides processes for purification of streams containing carboxylic acids and carboxylic acid anhydrides without using the amount of high-cost, corrosion resistant alloy required for a distillation column. The invention pr...
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WO/2012/067111A1 |
The purpose of the present invention is to obtain a DCP-LA enantiomer that exhibits higher activity and is suitable for clinical use and to provide: an agent that contains said enantiomer as an active ingredient and exhibits an excellent...
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WO/2012/062602A1 |
A process is provided for the preparation of difluoroacetic acid from tetrafluoroethylene. The process comprises reacting tetrafluoroethylene with an aqueous solution of an inorganic base, optionally in the presence of an organic solvent.
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WO/2012/064830A1 |
Disclosed is a process for the coproduction of acetic acid and acetic anhydride by producing in a first carbonylation reactor a carbonylation product mixture containing acetic anhydride, removing the carbonylation mixture from the first ...
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WO/2012/064832A1 |
Disclosed is a process for refining a crude acetyls mixture produced by carbonylation wherein the mixture comprises acetic anhydride, acetic acid, ethylidene diacetate and iodine-containing compounds to produce a mixture of acetic anhydr...
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WO/2012/040503A9 |
A method and apparatus is provided for the electrochemical reduction of carbon dioxide to formate and formic acid. One embodiment features a three-compartment reactor which houses: a gas compartment; a catholyte compartment, which contai...
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WO/2012/052126A1 |
The invention relates to a manufacturing process for the preparation of α,α-branched alkane carboxylic acids providing glycidyl esters with an improved softness or hardness of the coatings derived thereof. In which the mixture of neono...
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WO/2012/051774A1 |
Disclosed is a process for salting out and extracting organic acid from a fermentation broth, which is characterized by adding a dissoluble inorganic or organic salt and an extractant into the organic acid fermentation broth, stirring fo...
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WO/2012/050846A1 |
The present invention, in one embodiment, is to process for producing acetic acid. The process comprises the step of reacting (i) a carbon monoxide feed; and (ii) at least one of methanol and a methanol derivative in a first reactor, und...
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WO/2012/047614A1 |
A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating ...
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WO/2012/046593A1 |
Provided is a method for the stable production of high purity acetic acid while efficiently removing acetaldehyde. The production method includes: a step in which methanol and carbon monoxide are reacted in the presence of a metal cataly...
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WO/2012/039841A1 |
Processes for producing alcohols such as ethanol and propanol from a mixed acid feedstock in an integrated process. In one embodiment, the process comprises the step of carbonylating methanol in the presence of a carbonylation catalyst t...
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WO/2012/037187A2 |
Aspects of the present disclosure include crystalline bazedoxifene free base, crystalline bazedoxifene acetate Form D, and processes for their preparation. The drug compound having the adopted name "bazedoxifene acetate" has a chemical n...
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WO/2012/029432A1 |
Provided are: a group 10 metal complex having a carboxylate structure represented by general formula (C2); a catalyst for olefin polymerization that has the complex as a principal component; and a method for producing a polymer character...
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WO/2012/030860A1 |
The invention provides processes for the conversion of pyruvate obtained from sugars or other carbon sources, to valuable C5 materials such as levulinic acid, levulinate esters, valerolactone, and derivatives thereof.
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WO/2012/016881A1 |
The subject of the present invention is a process for preparing difluoroacetic acid, salts thereof or esters thereof. The process of the invention, for preparing difluoroacetic acid, salts thereof or esters thereof, is characterized in t...
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WO/2012/010842A1 |
The present invention concerns a method for the oxidative cleavage of unsaturated carbon-carbon bonds into carboxylic acids or ketones using a manganese catalyst and hydrogen peroxide.
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WO/2012/010077A1 |
Disclosed are a granular stearate, a preparation method thereof, and the use of the stearate in the field of rubber and plastics. The stearate has a particle size of 150-880 µm, a bulk density of 0.3-0.7 g/cm3 and a weight loss on heati...
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WO/2012/012283A1 |
Disclosed is a method for controlling the decanter phase separation of an acetic acid production by methanol carbonylation. The method comprises measuring the methyl acetate concentration of the reactor mixture, calculating the density o...
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WO/2012/000823A1 |
A process is proposed for preparing formic acid by reaction of carbon dioxide (1) with hydrogen (2) in a hydrogenation reactor (I) in the presence of a catalyst containing an element from group 8, 9 or 10 of the Periodic Table, of a tert...
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