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WO/2019/039648A1 |
The present invention relates to a heterogeneous catalyst for producing acetic acid by methanol carbonylation, characterized in that a rhodium complex ion is ionically bonded to an insoluble catalyst support having a quaternary pyridine ...
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WO/2019/038303A1 |
Method of recovering an organic acid from an aqueous solution (102), comprising extracting the organic acid dissolved in the aqueous solution into a water immiscible extraction phase (123) comprising an extractant for the organic acid, s...
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WO/2019/039553A1 |
Provided is a method for producing shikimic acid, by which shikimic acid is able to be obtained with high yield. A method for producing shikimic acid, which comprises a step for collecting shikimic acid from a solution that contains shik...
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WO/2019/037438A1 |
The present invention relates to a monomeric pentamethylenediamine adipate of a bio-based material nylon 56, a crystal structure thereof, a crystalline powder thereof, and a preparation method therefor. The pentamethylenediamine adipate ...
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WO/2019/033164A1 |
A method for demethylating a methylated phytocannabinoid compound of Formula I to form a phytocannabinoid compound of Formula II: Formula I Formula II wherein: R1 is selected from the group consisting of: substituted or unsubstituted C1-...
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WO/2019/035715A1 |
The invention is directed to a method of electrochemically producing valeric acid. The method of the invention comprises - contacting a solution of levulinic acid with an anode and a cathode in an electrochemical cell; and - electrochemi...
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WO/2019/033168A1 |
method for decarboxylating a carboxylated phytocannabinoid compound of Formula I to form a phytocannabinoid compound of Formula II: Formula I Formula II wherein: R1 is selected from the group consisting of: substituted or unsubstituted C...
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WO/2019/030709A1 |
A method of reducing impurities in a catalyst for the production of purified terephthalic acid includes forming purified terephthalic acid by hydrogenating crude terephthalic acid with a catalyst in a reactor; separating the purified ter...
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WO/2019/028600A1 |
Disclosed is a new process for the production of carboxylated phenol derivatives comprising at least a step of carboxylation of a mixture of (i) phenol derivative and (ii) phenolate derivative, wherein the molar ratio of (i) / (ii) is co...
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WO/2019/027951A1 |
Disclosed is a process for recovering formic acid from a formate ester of a C3 to C4 alcohol. Disclosed is also a process for producing formic acid by carbonylating a C3 to C4 alcohol, hydrolyzing the formate ester of the alcohol, and re...
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WO/2019/025535A1 |
The present invention in general relates to a method for the deacylation and/or dealkylation (both O-dealkylation as well as C-dealkylation) of compounds, more specifically of aromatic compounds. The method is characterized by contacting...
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WO/2019/028097A1 |
Processes for manufacturing purified aromatic carboxylic acids include: generating high-pressure steam from boiler feed water supplied to a boiler, the boiler producing a flue gas; removing a portion of the flue gas from the boiler and p...
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WO/2019/025017A1 |
The present invention relates to a process for the preparation of elafibranor and novel synthesis intermediates.
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WO/2019/026640A1 |
Provided are a catalyst precursor for producing a catalyst having a high yield of methacrylic acid, a catalyst, and a method for producing methacrylic acid and a methacrylic acid ester. A catalyst precursor including a heteropoly acid sa...
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WO/2019/023925A1 |
Processes for manufacturing purified aromatic carboxylic carboxylic acids includes: generating high-pressure steam (402) from boiler feed water supplied to a boiler (404); heating a crude aromatic carboxylic acid using the high-pressure ...
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WO/2019/027953A1 |
Disclosed is a process for recovering formic acid from a formate ester that allows for recovery of a formic acid product comprising greater than 75 wt.% formic acid. Disclosed is also a process for producing formic acid by carbonylating ...
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WO/2019/019012A1 |
A process for manufacturing a purified aromatic carboxylic acid is provided. The process comprises purifying a crude aromatic carboxylic acid in a purification zone to form a purified aromatic carboxylic acid; crystallizing a purified ar...
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WO/2019/020773A1 |
The present invention relates to a new bio-sourced vanillin and/or ethylvanillin, containing specific impurities. The invention further relates to a process for their preparations and the use of such compounds.
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WO/2019/018926A1 |
An improved process is provided for forming a precursor to a lithium metal oxide. An improved lithium metal oxide formed by calcining the precursor is also provided. The process includes providing lithium bicarbonate in a first aqueous m...
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WO/2019/015599A1 |
Provided is a process for producing a compound I comprising at least one functional group chosen in the group consisting of epoxy group, hydroxyl group and carbonyl group and by reacting a compound J comprising at least one functional gr...
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WO/2019/016883A1 |
The purpose of the present invention is to provide a method for preparing a 3-hydroxy-3-methylbutanoic acid or a salt thereof, the method being capable of efficiently preparing a highly pure 3-hydroxy-3-methylbutanoic acid or a salt ther...
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WO/2019/016983A1 |
The purpose of the present invention is to provide a method for preparing a 3-hydroxy-3-methylbutanoic acid or a salt thereof, the method being capable of efficiently preparing a highly pure 3-hydroxy-3-methylbutanoic acid or a salt ther...
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WO/2019/017490A1 |
Provided is a method for producing a pentenoic acid ester derivative using a biomass raw material, comprising step A for reacting the biomass raw material with a first alcohol in the presence of an acid catalyst to obtain a levulinic aci...
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WO/2019/012525A2 |
The present invention provides anti-microbial compositions comprising a hydroxycinnamic acid and related conjugates, analogues and derivatives, and methods of use thereof for enhancing production of anti-microbial agents in bacteria as w...
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WO/2019/013954A1 |
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) mixing the mixed amide derivatives with an aqueous solution of ammonia or ammonium hydroxide in the presence or absence...
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WO/2019/014255A1 |
This invention relates to a process for preparing an alkylsalicylic acid. The process comprises reacting salicylic acid with an olefin having at least four carbon atoms at a temperature ranging from about 50 °C to about 200 °C in the p...
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WO/2019/010016A1 |
There is disclosed a process for the production of long chain amino acid and long chain dibasic acid, comprising: (1) reacting long chain keto fatty acid with hydroxylamine or subjecting keto fatty acid to an ammoximation reaction to yie...
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WO/2019/007786A1 |
Process for continuous dissolution of a solid in a reaction medium comprising the steps of: (a) providing a liquid by withdrawal of a portion of the reaction medium from a first reaction vessel; (b) contacting the liquid provided in step...
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WO/2019/008002A1 |
The invention relates to a composition comprising a) a polymer and b) (i) a phenolic metal salt of formula (I) Mn+ (L-)n wherein n is 1, 2 or 3, Mn+ is a metal ion and L- is an anion of formula (II) wherein A1 and A2 are both -CH2-CH2-, ...
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WO/2019/005628A1 |
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) recovering alkylamine by distilling or by extracting with an extractant solvent; (2) adding an acid and an extractant s...
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WO/2019/006149A1 |
The present disclosure provides for a method for measuring the concentration of one or more components in a feed stream or reactor mixture of a process for producing acetic acid by both infrared and Raman spectroscopic analyses. In some ...
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WO/2019/005630A1 |
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) recovering alkylamine from an aqueous solution of an alkali hydroxide hydrolysis of the mixed amide derivatives by dist...
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WO/2019/005629A1 |
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) adding water and an extractant solvent to the aqueous suspension of an acid hydrolysis of the mixed amide derivatives t...
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WO/2019/002240A1 |
The present invention pertains to a process for recovering acetic acid from an aqueous stream containing acetic acid, comprising the steps of (a) contacting the aqueous stream with tri-n-octylamine and 1-undecanol, with the weight ratio ...
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WO/2019/006377A1 |
The present invention is directed to compositions which may undergo thermolysis to produce a higher purity acrylic acid product. In preferred embodiments of the present invention, the compositions comprise polypropiolactone and one or mo...
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WO/2019/005532A1 |
A process for manufacturing a carboxylic acid is provided, in one aspect, the process comprises oxidizing a feedstock comprising a substituted aromatic hydrocarbon to form a liquid-phase aromatic carboxylic acid; crystallizing at least a...
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WO/2019/006366A1 |
Provided herein are reactor systems and processes for producing organic acids directly from beta-lactones. Such reactor systems and processes involve the use of a heterogeneous catalyst, such as a zeolite at vapor phase conditions. The r...
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WO/2019/005633A1 |
There is disclosed a process for the separation of long chain dibasic acid and fatty acid, comprising: (1) reacting a mixture of long chain dibasic acid and fatty acid with ammonium hydroxide to form an insoluble ammonium salt of fatty a...
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WO/2019/005631A1 |
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) cooling the hydrolysis solution to crystallize and separate alkali salt of long chain dibasic acid to provide an aqueou...
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WO/2019/002189A1 |
The invention also relates to alkoxylated hydroxy carbon acids and to a method for the production and use thereof.
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WO/2018/235094A1 |
The instant disclosure provides a process for synthesis of compound of Formula: wherein Mz+ is a transition metal ion and X and Y are carboxylate anions. The catalysts are hydrocarbon soluble and the process for their preparation, as dis...
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WO/2018/236950A1 |
A method is provided for separating a dicarboxylic acid product from a mixture containing such dicarboxylic acids. The method involves: providing a dicarboxylic acid-containing mixture of which at least 35% of the carboxylic acid content...
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WO/2018/235012A1 |
Process for producing levulinic acid, wherein a carbohydrate-based substrate is subjected to a treatment step in aqueous environment at acid pH at a temperature from 120°C to 200°C, so as to obtain a reaction mixture comprising levulin...
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WO/2018/234999A1 |
Processes for producing a disubstituted oxalate are disclosed. The process includes contacting a mixture of cesium salt and gamma alumina with one or more alcohols and carbon dioxide (CO2) under reaction conditions sufficient to produce ...
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WO/2018/231624A1 |
This disclosure provides for routes of synthesis of α,β-unsaturated carboxylic acids and their salts, including acrylic acid. For example, disclosed is a process for producing an α,β-unsaturated carboxylic acid or its salt, comprisin...
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WO/2018/229013A1 |
The invention concerns a method for obtaining a free glucaric acid solution from a solution comprising non-free glucaric acid, water and at least one other constituent including at least one ion, characterised in that it comprises the fo...
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WO/2018/228081A1 |
Discloses is a method for synthesizing 4-hydroxybenzoic acid by using PX as a raw material. PX is dissolved in an organic solvent and undergoes oxidation reaction with an oxidant under the action of an M-MOF catalyst, after the reaction ...
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WO/2018/231623A1 |
This disclosure provides for synthetic routes of acrylic acid and other α,β-unsaturated carboxylic acids and their salts, including catalytic methods. For example, there is provided a process for producing an α,β-unsaturated carboxyl...
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WO/2018/230011A1 |
Provided is a method for producing C4 dicarboxylic acid crystals having high oil absorption. This method for producing C4 dicarboxylic acid crystals comprises a step in which C4 dicarboxylic acid crystals are precipitated from an aqueous...
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WO/2018/231620A1 |
Disclosed is a continuous process for producing α,β-unsaturated carboxylic acids or salts thereof, comprising: 1) in a first stage, contacting (a) a transition metal precursor compound comprising at least one first ligand, (b) optional...
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