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WO/2019/208807A1 |
The present invention provides a method for manufacturing a high-purity aromatic nitrile compound and aromatic carboxylic acid compound safely, inexpensively, and with high efficiency. A compound (2) is subjected to the Willgerodt reacti...
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WO/2019/207264A1 |
The invention relates to a process for recycling (100) an item based on thermoplastic (meth)acrylic polymer resin, characterized in that it comprises the following steps: - introduction (110) of the item into a system suitable for thermo...
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WO/2019/208715A1 |
Provided is a catalyst for methacrylic-acid production which heightens the yield of methacrylic acid and is usable as an industrial catalyst. The present invention relates to a method for producing the catalyst, which at least includes p...
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WO/2019/206693A1 |
An aqueous dispersion of a polyurethane wherein the polyurethane is obtained by reacting di- or polyfunctional isocyanates, diols, a dicarboxylate with one or two secondary amino groups and optionally further compounds.
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WO/2019/201906A1 |
The invention relates to a cosmetic composition comprising one or more ether carboxylic acids and one or more non-ionic surfactants. The present invention also relates to the method for the preparation of the cosmetic composition, as wel...
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WO/2019/204687A1 |
This invention relates to the field of contaminated plastic waste decomposition. More specifically, the invention comprises methods and systems to decompose contaminated plastic waste and transform it into value-added products.
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WO/2019/198763A1 |
A method for producing at least one of an unsaturated aldehyde and an unsaturated carboxylic acid, in which a n-layered catalyst layer (n ≥ 2) is provided as observed in the direction of the flow of a gas in a reaction tube, two or mor...
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WO/2019/199540A1 |
Processes are disclosed for the synthesis of a cracked product from a starting substrate having a carbonyl functional group (C=O), with hydroxy-substituted carbon atoms at alpha and beta positions, relative to the carbonyl functional gro...
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WO/2019/198778A1 |
Provided is a production method for a cyclohexanedicarboxylic acid having a step for obtaining a cyclohexanedicarboxylic acid or an aqueous ammonia solution of a cyclohexanedicarboxylic acid by bringing a phthalic acid in an aqueous ammo...
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WO/2019/198779A1 |
A method for producing a 1,4-cyclohexanedicarboxylic acid derivative, comprising the step of concentrating an aqueous ammonia solution of 1,4-cyclohexanedicarboxylic acid by heating to precipitate the 1,4-cyclohexanedicarboxylic acid der...
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WO/2019/199459A1 |
In a process for producing a biphenyl carboxylic acid, alcohol, and/or ester, benzene or toluene is reacted with a furanyl compound having the formula (I) where R1 is -H, -CH3, -CHO, -CH2OH, -COOH or -COOR2 and R2 is an alkyl group havin...
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WO/2019/197232A1 |
The invention relates to a multi-stage process for producing 2,6-dialkylphenyl acetic acids of general formula (I) by reacting 2,6-dialkyl bromobenzenes with (1) magnesium, (2) a formamide, (3) an acid, (4) hydrogenation of the benzaldeh...
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WO/2019/196132A1 |
Disclosed by the present invention are a pentanediamine sebacate salt and a crystal thereof, as well as a preparation method therefor. The pentanediamine sebacate salt is a salt that is formed by binding a pentanediamine divalent cation ...
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WO/2019/186697A1 |
Provided are: a method whereby it becomes possible to effectively prevent the local corrosion of a vessel wall of a process unit and/or a process line and reduce the concentration of formic acid in a product acetic acid; and a method for...
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WO/2019/188507A1 |
Provided is a method for producing an α，β-unsaturated carboxylate, the method comprising: a step (1) for reacting a transition metal complex, alkene and carbon dioxide to obtain a metal lactone compound expressed by formula (1) [in t...
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WO/2019/188955A1 |
This catalyst for manufacturing unsaturated carboxylic acid includes an active component expressed by formula (A), wherein a ratio of a diffraction line intensity at 2θ=19.1±0.3°to a diffraction line intensity at 2θ=10.7±0.3° in an...
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WO/2019/183549A1 |
A method of producing acetic acid, the method comprising: reacting methanol and/or methanol derivatives with carbon monoxide in the presence of a liquid reaction medium under carbonylation conditions to form, a carbonylation product comp...
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WO/2019/182089A1 |
A catalyst for producing an unsaturated aldehyde and an unsaturated carboxylic acid, wherein: the integrated pore volume (A) of pores in the catalyst, said pores having a pore diameter of 1-100 μm inclusive, is 0.12-0.19 ml/g inclusive;...
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WO/2019/182137A1 |
The present invention addresses the problem of providing a metal-organic framework production method capable of producing metal-organic frameworks which exhibit excellent gas adsorbability and durability. This metal-organic framework p...
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WO/2019/179265A1 |
A method for preparing a phenoxy carboxylic acid herbicide, comprising: S1, subjecting phenol or o-cresol to a condensation reaction with a chlorocarboxylate under the action of an alkaline substance to obtain a phenoxy carboxylate, wher...
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WO/2019/182713A1 |
Provided is a process for preparing acrylic acid comprising (1) preparing acrolein by catalytic gas phase oxidation comprising (a) providing a reaction gas comprising (i) 5 to 10 mol % propylene, (ii) 0.02 to 0.75 mol % propane, and (iii...
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WO/2019/179346A1 |
The present invention belongs to the field of medicinal chemistry, relates to novel benzoic acid compounds I and II, and relates to the applications thereof in prevention and treatment or remission of cerebral ischemia or ischemia after ...
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WO/2019/179267A1 |
Disclosed is a preparation method of phenoxycarboxylic acid herbicides. The preparation method comprises the following steps. S1: mixing an anhydrous phenol and a basic substance with a chloro-substituted carboxylic acid ester and perfor...
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WO/2019/183541A1 |
A method comprising: contacting methanol with carbon monoxide in the presence of a liquid reaction medium under carbonylation conditions to form a carbonylation product comprising acetic acid; separating the carbonylation product into a ...
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WO/2019/179287A2 |
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WO/2019/174063A1 |
Disclosed is a chemical reaction apparatus, the apparatus comprising: a reaction unit, a separation unit, and a recovery unit; the reaction unit, the separation unit, and the recovery unit are connected in sequence; and the reaction unit...
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WO/2019/177031A1 |
The present invention provides a catalyst molded body which has high yield and high mechanical strength. This catalyst molded body contains: a catalyst for the production of an unsaturated aldehyde and an unsaturated carboxylic acid, or ...
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WO/2019/174064A1 |
Provided is a bubbling bed synthesis reactor, said reactor comprising a catalytic reaction section and a catalyst settling section, the cross-sectional area of at least one position of the catalytic reaction section being smaller than th...
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WO/2019/172360A1 |
The present invention addresses the problem of providing a method for producing a carbonyl compound. Provided is a method for producing a carbonyl compound represented by formula (1) [in the formula, R1 is hydrogen or an organic group; R...
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WO/2019/172184A1 |
Provided is a metal imide complex which has a stable structure and is able to be easily synthesized, while being capable of efficiently oxidizing various substrates. A metal imide complex which contains a metal and an imide that serves a...
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WO/2019/171643A1 |
In double decomposition methods and direct methods used in the production of cobalt soaps, there are problems with production costs, and with quality, such as, for example, product purity. One specific problem is that cobalt rhodinate, a...
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WO/2019/171093A2 |
The invention relates to a robust and reproducible process for the preparation of polymorph form B of treprostinil diethanolamine salt, comprising the following steps: a. treprostinil is dissolved in methanol, b. to the solution of step ...
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WO/2019/169128A1 |
Electrodeionization apparatuses, systems including a reactor system and an electrodeionization system, and methods of purifying acetic acid are provided herein. In some embodiments, the electrodeionization apparatus includes an anode, an...
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WO/2019/163984A1 |
Provided is a catalyst for producing an α,β-unsaturated carboxylic acid at a high yield. The present invention also provides a method for preparing a catalyst for producing an α,β-unsaturated carboxylic acid, the catalyst being used ...
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WO/2019/163707A1 |
Provided are: a catalyst by which the amount of a high-boiling aromatic compound formed as a by-product is reduced so that stable operation can be performed over a long time and a final product can be acquired at a high yield; and a dire...
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WO/2019/161526A1 |
Provided is a one-pot method for preparing twin dicarboxylic acid diamine complex platinum (II) derivatives, the method does not comprise the separation of intermediate carboplatin or carboplatin analogue. Compared with the prior art, ac...
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WO/2019/158683A1 |
The present invention relates to a method of extracting an alkanoic acid and/or ester there of from an aqueous medium, the method comprising : (a)contacting the alkanoic acid and/or ester thereof in the aqueous medium with at least one e...
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WO/2019/159596A1 |
Provided is a method for preparing a coupled body represented by general formula (3), the coupled body being obtained by reacting a compound represented by general formula (1) and a compound represented by general formula (2) in the pres...
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WO/2019/158611A1 |
The present invention relates to a method for isomerizing a 3-(Z)-unsaturated carboxylic acid of the formula l-Z or a salt thereof, wherein R2 is C1-C24-alkyl, C2-C24-alkenylhaving 1, 2, 3 or more than 3 C-C double bonds, unsubstituted o...
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WO/2019/154624A1 |
New process of producing alpha-hydroxy compounds from sustainable resources useful as platform chemicals, such as hydroxy analogues of amino acids or polymer precursors.
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WO/2019/155128A1 |
According to an example aspect of the present invention, there is provided a method for producing muconic acid ester from aldaric acid ester, and for separating and purifying the produced muconic acid ester by high vacuum distillation in...
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WO/2019/155385A1 |
The present disclosure relates to a process for the manufacturing of a (meth)acrylic anhydride, wherein the process comprises the steps of: A. providing a flow reactor comprising a reaction chamber; B. providing reactants and reagents co...
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WO/2019/152085A1 |
A process for selective oxidation of at least one dimethylbiphenyl compound to the corresponding biphenyldicarboxylic acid, where the dimethylbiphenyl compound is supplied to at least one reaction zone together with an acidic solvent, an...
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WO/2019/150732A1 |
Silver oxalate characterized by having a 1% weight loss temperature of 190°C or higher in thermogravimetry. Silver oxalate characterized by having a maximum temperature of 219°C or higher in differential thermal analysis. The present i...
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WO/2019/145304A1 |
Process for the production of a compound comprising potassium phosphite comprising the steps of (a) reacting carboxylic acid of the formula R-(C(=O)OH)n with phosphorous trichloride (PCl3) towards a mixture comprising phosphorous acid (H...
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WO/2019/145552A1 |
The present specification discloses methods of purifying one or more cannabinoids from a plant material using unique biphasic solvent systems and liquid-liquid chromatography as centrifugation partitioning chromatography (CPC) or counter...
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WO/2019/142862A1 |
The present invention relates to a method of producing (meth)acrylic acid or ester thereof which includes a step of generating distillation gas from process fluid that comprises (meth)acrylic acid or ester thereof under reduced pressure ...
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WO/2019/142887A1 |
Provided is a method for suppressing polymerization of vinyl monomers, which has improved polymerization suppression effect for vinyl monomers. The present invention provides a method for suppressing polymerization of vinyl monomers, whi...
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WO/2019/141634A1 |
The invention relates to a method for producing carbon monoxide using a formic acid derivative, particularly an alkyl formate. It also relates to a method selected from the method for producing methanol, the method for producing acetic a...
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WO/2019/142941A1 |
Provided is a method of producing, by means of a simple drying operation, high-purity ferric citrate which retains a high specific surface area while having a reduced water soluble organic solvent content. This method of producing ferric...
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