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WO/2016/076968A1 |
Processes for producing acetic acid wherein at least one process vent stream is treated in an absorber column that utilizes a scrubber solvent, e.g., acetic acid, methanol, and/or methyl acetate to remove hydrogen iodide therefrom.
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WO/2016/076970A1 |
A process for producing high purity acetic acid from a carbonylation reaction, wherein the carbonylation reaction is carried out while maintaining a low ethyl iodide content in the reaction medium. The ethyl iodide concentration may be m...
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WO/2016/076967A1 |
A process for producing acetic acid comprising the steps of carbonylating methanol in a reaction medium to form a crude acetic acid product; conveying the crude acetic acid product to a flash vessel at a flash flow rate; flashing the cru...
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WO/2016/076971A1 |
Process for producing acetic acid is disclosed in which a lithium compound is added to the reaction medium to maintain a concentration of lithium acetate from 0.3 to 0.7 wt.%. The concentration of the rhodium catalyst is maintained from ...
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WO/2016/076973A1 |
A process for producing acetic acid is disclosed, in which the methyl iodide concentration is maintained in the vapor product stream formed in a flashing step. The process includes introducing a lithium compound into the reactor and main...
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WO/2016/076972A1 |
A process for producing an acetic acid product having low butyl acetate content via a carbonylation reaction. The carbonylation reaction is carried out at a temperature from 100 to 300°C, a hydrogen partial pressure from 0.3 to 2 atm, a...
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WO/2016/067663A1 |
The present invention not only widens the choice of materials to be used for coating the surface of particulate burnt lime in order to prevent the particulate burnt lime from abruptly generating heat or generating intense heat, but also ...
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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/2016/063296A1 |
The present invention relates to the polyprenylated phloroglucinol compounds of formulae I and II. The present invention also provides synthesis and p-glycoprotein induction activity of the alkyl- and acyl- polyprenylated phloroglucinol ...
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WO/2016/060891A1 |
Carboxylic acids are prepared by a one-step gas phase process comprising the step of contacting under halogen-free hydroxycarbonylation conditions an alkene, carbon monoxide, water, and a solid sulfide-containing catalyst.
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WO/2016/057661A1 |
A formic acid decomposition catalyst system includes organometallic complexes having formula 1: (1) wherein: M is a transition metal; E is P, N, or C (as in imidazolium carbene); R1, R2 are independently C1-6 alkyl groups; o is 1, 2, 3, ...
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WO/2016/052985A1 |
Provided are: a method for the electrochemical reduction of carbon dioxide for manufacturing a high-concentration formate, and a device for the electrochemical reduction of carbon dioxide for manufacturing the high-concentration formate.
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WO/2016/054608A1 |
Process for producing acetic acid is disclosed in which the reaction medium is separated into a liquid recycle and a vapor product stream including acetic acid, methyl iodide, methyl acetate and water in a flash vessel. The vapor product...
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WO/2016/048889A1 |
Processes for producing acetic acid herein generally include contacting methanol and carbon monoxide in the presence of a reaction medium under carbonylation conditions sufficient to form acetic acid, the reaction medium including a carb...
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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/2016/031527A1 |
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/2016/031803A1 |
[Problem] To provide a magnesium hydroxide-based solid solution which has smaller primary particles and secondary particles and improved reactivity with acid, when compared with conventional magnesium hydroxide (Mg(OH)2), improves the fl...
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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/2016/031491A1 |
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/2016/028190A1 |
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/2016/026768A1 |
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/2016/026767A1 |
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/2016/024293A1 |
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/2016/020410A1 |
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/2016/020269A1 |
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/2016/016641A1 |
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/2016/009051A1 |
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/2016/000850A1 |
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/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/2015/193182A1 |
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/2015/193179A1 |
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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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/2015/185365A1 |
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/2015/186690A1 |
The present invention is useful for inhibiting decomposition of a glycan chain released in a β-elimination reaction of an O-linked glycan chain from glycoprotein by anhydrous hydrazine.
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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/2015/183067A1 |
The invention relates to a compound of formula (see formula), suitable for use as drugs in the treatment of chronic neurodegenerative disorders of the Huntington's disease, Parkinson's disease and epilepsy type, inter alia. The invention...
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WO/2015/182172A1 |
Provided are an ester of isotridecanoic acid and pentaerythritol,etc., wherein (i) the kinematic viscosity at 40°C is in the range of 80-140 mm2/sec. and (ii) the number of terminal methyl groups per molecule of isotridecanoic acid in t...
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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/2015/176562A1 |
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/2015/178205A1 |
The present invention provides: a metal-organic framework that can exhibit a sufficient storage and release capability for hydrogen atoms or the like at room temperature, and can be easily produced; and a method for producing the same. T...
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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/2015/166706A1 |
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/2015/166935A1 |
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/2015/159893A1 |
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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WO/2015/159892A1 |
Provided is a fatty acid chloride which is manufactured by a simple method, which does not cloud and which has stable color over time. A fatty acid chloride is produced by causing a fatty acid with a carbon number of 8-22 and phosphorous...
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WO/2015/156131A1 |
[Problem] The problem to be solved is to provide [2-11C] acetic acid and [2-11C] acetic acid imidyl ester having the radioactivity necessary for the conduction of molecular imaging by PET, and methods for producing these. [Solution] The ...
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WO/2015/154979A1 |
The invention relates to a process for transvinylation of a carboxylic acid feedstock with a vinyl ester feedstock to obtain a vinyl ester product and the corresponding acid of the vinyl ester feedstock in the presence of one or more rut...
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