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WO/2020/025813A1 |
Provided is a process for the oxidation of alcohols, in particular alcohols with a carbon number of 14 or more, to carboxylic acids, wherein said process comprises: a step of subjecting a starting material comprising one or more primary ...
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WO/2020/025814A1 |
Provided is a process for the oxidation of an ester via an ester cleavage reaction followed by the oxidation of the alcohol component of the ester, said process comprising a step of subjecting a starting material comprising one or more e...
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WO/2020/020697A1 |
The invention relates to a method for inhibiting unwanted radical polymerisation of acrylic acid present in a liquid phase P, wherein: the acrylic acid content of P is at least 10% by weight; the liquid phase P contains 25 to 1,000 ppm b...
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WO/2019/013954A8 |
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/2020/020064A1 |
Disclosed in the present invention is a method for safely preparing pimavanserin and a tartrate salt thereof using triphosgene. The synthesis routes comprise (1), (2), (3), (4) and (5). The raw materials used in the method of the present...
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WO/2020/022256A1 |
This alcohol production method for producing an alcohol from a carbonyl compound uses a catalyst in which a metal component containing rhenium having an average valency of 4 or less is supported on a carrier containing zirconium oxide. T...
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WO/2020/020873A1 |
The invention relates to a process for preparing a compound of (III) wherein X is a leaving group; and R1 is C1-C6 alkyl; which comprises oxidative rearrangement of a compound of formula (II) or a solvate thereof Compounds of formula (II...
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WO/2020/016290A1 |
The present invention refers to a process for the purification of levulinic acid, an aqueous solution comprising levulinic acid and a process for the production of levulinic acid.
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WO/2020/011020A1 |
A mefatinib composition, related compounds, a preparation method therefor and use thereof. The mefatinib composition comprises mefatinib represented by formula (I) and a compound represented by formula (II) having a normalized percentage...
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WO/2020/013330A1 |
The purpose of the present invention is to provide: crystals of a eucomic acid non-solvate which have a low methanol content and excellent flowability; and a method for producing the crystals. The crystals of a eucomic acid non-solvate, ...
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WO/2020/008504A1 |
Provided is a method for producing acetic acid that, in a scrubber system, can efficiently separate and acquire methyl iodide and an absorption solvent, impede the occurrence of corrosion of distillation column internals, efficiently sep...
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WO/2020/008503A1 |
Provided is a method for producing acetic acid, the method comprising an absorption step with which it is possible to efficiently separate methyl iodide while saving energy in a step for separating methyl iodide from a solution after abs...
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WO/2020/008505A1 |
Provided is a method for producing acetic acid, the method comprising an absorption step that makes corrosion of the inside of a distillation column less likely to occur when a solution is subjected to distillation after having absorbed ...
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WO/2020/009783A1 |
A process for making a high purity salt compound comprises the steps of providing an organic compound, providing a metal hydroxide compound, adding the metal hydroxide compound and organic compound to an aqueous medium, heating the react...
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WO/2020/008506A1 |
Provided is a method with which it is possible to smoothly increase or decrease the production of acetic acid by a simple operation and to produce acetic acid stably, efficiently, and on an industrial scale while maintaining the quality ...
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WO/2020/006446A1 |
Solid/liquid separation processes using a large pore filter. One aspect of the disclosure is a process comprising filtering a solid/liquid mixture of a collection of solid aromatic carboxylic acid particles in a solvent in a first zone o...
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WO/2020/005951A1 |
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/2020/001840A1 |
The invention relates to a process for manufacturing a catalyst composition exhibiting high activity and selectivity in the oxidation of e.g. glucose to glucaric acid using molecular oxygen as the terminal oxidant. More specifically, the...
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WO/2019/243480A1 |
The invention relates to a method for producing one or more olefins and one or more carboxylic acids, in which one or more paraffins is or are subjected to an oxidative dehydrogenation. For the oxidative dehydrogenation, a reactor (10) h...
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WO/2019/241998A1 |
Provided therein a novel chloroacetic acid purification processing device comprising a distillation tower, a condensation tower, a hydrogen chloride collecting device, an acetic acid product tower, a heating tank and a finished product t...
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WO/2019/245048A1 |
The problem to be addressed by the present invention is to provide a novel production method for an α-fluoroacrylic acid ester compound. The problem is addressed by the production method for the compound represented by formula (1) [in t...
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WO/2019/241997A1 |
The present invention discloses a chloroacetic acid continuous production device and a production process thereof. The chloroacetic acid continuous production device comprises a chlorination tower, a condensation tower, a hydrogen chlori...
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WO/2019/243729A1 |
The invention relates to a method for producing a lithium-containing oxide comprising one or more metal elements, which can be used as an active material for an electrode, for example a positive electrode for a lithium battery, said meth...
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WO/2019/244899A1 |
The purpose of the present invention is to provide a method which is capable of producing an oxidation reaction product of a hydrocarbon or a derivative thereof in an aqueous phase, while using the hydrocarbon or a derivative thereof as ...
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WO/2019/242038A1 |
Provided is a method for preparing a dicarboxylic acid. The method comprises the following steps: 1) subjecting a raw material system containing a cyclic olefin and a monocarboxylic acid to an addition reaction of by means of an addition...
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WO/2019/219093A3 |
A preparation of zinc linoleate, and an application thereof in preparing an anti-helicobacter pylori drug. Zinc chloride is dissolved in sterile water, and the zinc chloride solution is heated and activated in a reactor, then naturally c...
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WO/2019/240393A1 |
The present invention provides a method for isomerizing a cyclohexane dicarboxylic acid by using a zirconia or titania isomerization catalyst.
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WO/2019/240033A1 |
The present invention addresses the problem of providing: a method for producing a dicyclohexanedicarboxylic acid diester, which is capable of suppressing the generation of stereoisomers as by-products, and which is capable of separating...
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WO/2019/240834A1 |
A method of synthesizing sodium formate. The method includes reacting acetaldehyde, formaldehyde, and NaOH to form a raw reaction solution which includes pentaerythritol and sodium formate. The method also includes passing the raw reacti...
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WO/2019/240415A1 |
The present invention relates to a method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane. According to the present invention, a separate catalyst recovery process is not required, and 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]d...
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WO/2019/229857A1 |
A method is provided of producing acetic acid with excellent potassium permanganate test values in an industrially efficient manner and without incurring high costs. This acetic acid production method involves a step in which (1) acetald...
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WO/2019/229856A1 |
A method is provided of producing acetic acid with excellent potassium permanganate test values in an industrially efficient manner and without incurring high costs. A distillation column (a crotonaldehyde removal column) which sets the ...
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WO/2019/230685A1 |
The present invention addresses the problem of providing a novel crystal of 2,2'-bis(carboxymethoxy)-1,1'-binaphthyl suitable as a resin raw material having excellent optical characteristics. As a solution, it was found that by carrying ...
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WO/2019/230803A1 |
One aspect of the present invention is a method for producing a polyphenol composition from bagasse, which comprises: a step wherein bagasse is pre-treated with use of at least one alkaline solution that is selected from the group consis...
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WO/2019/229859A1 |
A method is provided of producing acetic acid with excellent potassium permanganate test values in an industrially efficient manner and without incurring high costs. This acetic acid production method involves: a carbonylation reaction s...
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WO/2019/230007A1 |
A method is provided of producing acetic acid with excellent potassium permanganate test values in an industrially efficient manner and without incurring high costs. This acetic acid production method involves a step in which (1) acetald...
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WO/2019/229858A1 |
A method is provided of producing acetic acid with excellent potassium permanganate test values in an industrially efficient manner and without incurring high costs. An aldehyde separation and removal step involves a step in which acetal...
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WO/2019/229035A1 |
The present invention relates to the production of high value bio- chemicals, in particular bio-paraffins, bio-LPG, bio-naphtha, bio-jet and bio-distillates in an integrated bio-refinery from complex mixtures of natural occurring fats & ...
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WO/2019/223186A1 |
The invention relates to the technical field of co-crystal pesticides, and in particular relates to a triazole sulcotrione-salicylic acid co-crystal, a preparation method thereof, and an application thereof. The triazole sulcotrione-sali...
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WO/2019/220522A1 |
Provided is a method with which it is possible to reduce the concentration of formic acid in produced acetic acid via simple means. The acetic acid production method according to the present invention comprises, in a process for producin...
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WO/2018/163210A3 |
The present invention provides a process for preparation of halo substituted benzoic acid compound of Formula (1) and intermediates thereof.
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WO/2019/219093A2 |
A preparation of zinc linoleate, and an application thereof in preparing an anti-helicobacter pylori drug. Zinc chloride is dissolved in sterile water, and the zinc chloride solution is heated and activated in a reactor, then naturally c...
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WO/2019/171093A3 |
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/2019/217257A1 |
A method for producing an aromatic dianhydride includes reacting an aromatic diimide with a substituted or unsubstituted phthalic anhydride in an aqueous medium in the presence of an amine exchange catalyst to provide an aqueous reaction...
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WO/2019/212338A1 |
The invention is directed to a process for the ring-opening of a cycloadduct of formula I obtainable from a reaction of a furanic compound and a diene, said process comprising contacting the cycloadduct with an acidic mixture comprising ...
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WO/2019/211904A1 |
An acetic acid production method is provided which can greatly improve the service life of a silver-substituted ion exchange resin (IER) for removing organic iodine compounds in the acetic acid. In this acetic acid production method, in ...
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WO/2019/212072A1 |
The present invention relates to an acetic acid production method using carbon dioxide and a system for same, which can produce methanol and acetic acid in a single process, thereby significantly reducing the time required for the produc...
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WO/2019/212233A1 |
The present invention relates to a method for preparing 4,4'-dihydroxy-[1,1'-biphenyl-3,3'-dicarboxylic acid], the method comprising a step for preparing a compound represented by chemical formula 1 by reacting a compound represented by ...
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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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