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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/2019/182713A1 |
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/2019/174063A1 |
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/2019/163984A1 |
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/2019/158611A1 |
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/2019/158285A1 |
Object of the present invention is an efficient process for the preparation of the active pharmaceutical ingredient Sitagliptine and the 2,4,5-trifluorophenylacetic acid (TFAA) and salt thereof, which is a key intermediate for the synthe...
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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/2019/142862A1 |
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/2019/134984A1 |
A compound of the formula (I)wherein R represents a straight or branched, primary or secondary acyclic hydrocarbyl C3–C15 group, which can be saturated or unsaturated, or a straight or branched, primary or secondary acyclic hydrocarbyl...
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WO/2019/127747A1 |
Disclosed are a phenyl acrylic acid esther compound, and a pharmaceutically acceptable salt, solvate and prodrug thereof, a tautomer or a stereochemical isomer or a pharmaceutical composition, and uses of the pharmaceutical composition a...
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WO/2019/123127A1 |
The present disclosure relates to a process for the manufacturing of an acid halide, wherein the process comprises the steps of: a) providing a flow reactor comprising a reaction chamber; b) providing reactants comprising: i. a carboxyli...
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WO/2019/116483A1 |
The purpose of the present invention is to provide an acrylic acid production plant in which acrylic acid can be produced using propylene obtained in a partial oxidation coupling reaction of methane. To achieve the foregoing, provided is...
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WO/2019/115597A1 |
Enantiopure terphenyl presenting two ortho-located chiral axes having the following structural formula (I) : their process of synthesis and their use as mono or bidentate ligands for asymmetric organometallic reactions, as organocatalyst...
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WO/2019/117744A1 |
The present invention relates to a method of molding a dry catalyst precursor, a method for producing a granular catalyst, a catalyst produced by said method, use of a combination of talc and graphite to mold a dry catalyst precursor, an...
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WO/2019/105881A1 |
The invention relates to a novel and improved method for producing (3S)-3-(4-chlor-3-{[(2S,3R)-2-(4-chlorphenyl)-4,4,4-trifluor
-3-methylbutanoyl]amino}phenyl)-3-cyclo-propylpropanoic acid of the formula (I), to the compound of the formu...
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WO/2019/080155A1 |
The present invention relates to a conjugate salt of N,N-dimethylglycine and a metal organic acid, a preparation method therefor, and an application thereof. The conjugate salt of N,N-dimethylglycine and a metal organic acid has the foll...
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WO/2019/082129A1 |
The disclosure provides methods and apparatus for producing 3-hydroxypropionic acid or a salt thereof, for removing 3-hydroxypropionic acid from aqueous solution (e.g., aqueous broth), and for using it to make various chemicals.
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WO/2019/080009A1 |
Disclosed are an N,N-dimethylglycine organic acid polyvalent metal ion compound salt or a solvate thereof, and an application thereof in preparation of novel feed additives and feeds. Also disclosed is a feeding composition comprising th...
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WO/2019/078244A1 |
Provided is a catalyst for the production of an α,β-unsaturated carboxylic acid, which enables the production of an α,β-unsaturated carboxylic acid with high yield. A method for producing a catalyst for the production of an α,β-uns...
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WO/2019/069854A1 |
The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention rela...
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WO/2019/071188A1 |
A readily dissolvable steviol glycoside composition comprising a steviol glycoside and a dissolution enhancer compound in an amount effective to increase dissolution of the steviol glycoside.
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WO/2019/071182A1 |
A solubilized steviol glycoside composition including one or more steviol glycosides and one or more steviol glycoside solubility enhancers can be used as a sweetener composition to sweeten other compositions (sweetenable compositions) s...
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WO/2019/066076A1 |
Provided is a catalyst containing a carrier, and a metal obtained by reducing metal ions carried by the carrier 1) in a supercritical state or 2) in a polar organic solvent, the carrier being an inorganic porous body having a hierarchica...
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WO/2019/055273A1 |
A process for producing an acrylate product, the process comprising the steps of (a) providing a crude product stream comprising the acrylate product and an alkylenating agent; (b) cooling the crude product stream to form a cooled crude ...
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WO/2019/053541A1 |
Methods of producing α,β-unsaturated carboxylic acid salts are described. A method can include reacting an alkene and carbon dioxide with a composition that includes a carboxylation catalyst and an inorganic base in a protic solvent un...
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WO/2019/050649A1 |
The present invention is directed to catalysts and processes for catalyzing two or more chemical reactions with a multifunctional catalyst in a reaction vessel. The processes include steps for introducing one or more reagents to a reacti...
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WO/2019/049049A1 |
The invention provides certain nicotine salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, certain nicotine salt-co-crystals are described, including nicotine and two different coformers. The ...
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WO/2019/044438A1 |
The present invention provides: a method for producing a carboxylate/carbonate complex of a group 2 element of the periodic table, while suppressing the formation of a precipitate of a carbonate salt; and a high-quality carboxylate/carbo...
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WO/2019/038637A1 |
The present disclosure discloses various salts of levodopa amide, and crystalline forms thereof, and pharmaceutical compositions comprising the salts or crystalline forms, which are useful in treatment of diseases or disorders characteri...
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WO/2019/034673A1 |
The present invention is directed to stable lyophilisates comprising 5,10-methylene-(6R)-tetrahydro folic acid or a pharmaceutically acceptable salt thereof and a dicarboxylic acid, or a salt thereof, as well as, a processes of obtaining...
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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/2019/013116A1 |
A catalyst is provided with which a target product can be manufactured with high selectivity. The present invention is a method for manufacturing a catalyst that is used when subjecting unsaturated aldehyde to gas-phase catalytic oxidati...
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WO/2019/010999A1 |
Provided are a quantum dot and a quantum dot preparation method. The method comprises the following steps: preparing a quantum dot solution, preparing an ion-containing organic ligand precursor, and adding the ion-containing organic liga...
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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/2019/006377A1 |
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/2019/006366A1 |
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/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/2018/227306A1 |
A gastric tract acid (GTA) compound having the structure of formula I, as well as salts, esters, prodrugs, or labelled derivatives thereof, are provided. Such GTA compounds may be used for determining GTA levels of a sample, for diagnosi...
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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/2018/216699A1 |
Provided is a method for producing (meth)acrylic acid, the method comprising: a step for subjecting a raw material for producing (meth)acrylic acid to a contact gas phase oxidation reaction to obtain a (meth)acrylic acid-containing gas; ...
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WO/2018/211080A1 |
The disclosure provides a salt of Formula IIb, a process for manufacturing thereof, and uses thereof. (Formula IIb)
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WO/2018/208677A1 |
Embodiments of the present disclosure are related to improved processes for making L-ornithine phenylacetate without using any silver salts or forming any L-ornithine intermediate salts, such as a benzoate salt. The present processes may...
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WO/2018/202724A1 |
Production of adipic acid and derivatives thereof The invention relates to a catalytic process for the production of a compound of formula (I) from a compound of formula (II)
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WO/2018/200253A1 |
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a feed stream containing lactic acid, lactic acid derivatives, or mixtures thereof with a molten salt catalyst comprising an ionic liquid (IL) a...
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WO/2018/200466A1 |
The present invention is directed to reactor apparatus and processes for thermolysis of polypropiolactone to produce highly pure acrylic acid. In preferred embodiments of the present invention, the processes comprise introducing a feed s...
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