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Matches 151 - 200 out of 33,867

Document Document Title
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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, ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2019/240393A1
The present invention provides a method for isomerizing a cyclohexane dicarboxylic acid by using a zirconia or titania isomerization catalyst.  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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 & ...  
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...  
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...  
WO/2018/163210A3
The present invention provides a process for preparation of halo substituted benzoic acid compound of Formula (1) and intermediates thereof.  
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...  
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 ...  
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  

Matches 151 - 200 out of 33,867