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Matches 1 - 50 out of 12,446

Document Document Title
WO/2021/069331A1
The present invention concerns compound of formula (I) (I) in the form of any one of its stereoisomers or a mixture thereof, and wherein R1 and R2 represent, independently from each other, a hydrogen atom or a C1-2 alkyl group; and -C(Me...  
WO/2021/071073A1
An aldol condensation reaction apparatus according to the present invention has high productivity at low cost. Specifically, the aldol condensation reaction apparatus according to the present invention has an effect of providing high pro...  
WO/2021/058293A1
The present invention relates to a novel process for purifying, by distillation, methyl methacrylate impurified with low-boiling components, said MMA having been produced using oxidative esterification and, as the crude product, contains...  
WO/2021/055271A1
Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of forming a supported chromium catalyst comprising chromium in a hexavalent oxidati...  
WO/2021/055270A1
Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of irradiating the hydrocarbon reactant and a supported chromium catalyst comprising...  
WO/2021/055220A1
Acrolein is produced by selectively oxidizing allyl alcohol over a first mixed metal oxide catalyst in the presence of oxygen in the vapor phase. The first mixed metal oxide catalyst comprises oxides of molybdenum and bismuth. Acrylic ac...  
WO/2021/052353A1
The present invention relates to the technical field of enzyme inhibitors, and relates in particular to a hydroxamic acid derivative, a preparation method therefor and an application thereof. The hydroxamic acid group in the hydroxamic a...  
WO/2021/052328A1
The present invention provides a preparation method for a polyoxymethylene dimethyl ether (DMMNn, generally, n = 3-8 or 2-8) and a mixture thereof. The preparation method comprises: a mixture of an aqueous formaldehyde solution and polya...  
WO/2021/047042A1
The present invention relates to a reaction system and process for preparing butanol and octanol based on the microinterface-enhanced carbonylation of propylene. The reaction system comprises a carbonyl synthesis unit, a butyraldehyde tr...  
WO/2021/046815A1
The present invention provides a device for continuously preparing 2,6-dihydroxybenzaldehyde and an application thereof. The device comprises a first continuous reaction unit for hydroxyl protection reaction, a second continuous reaction...  
WO/2021/042579A1
The present invention is suitable for use in the technical field of 1,4 -butanediol preparation, and provides a preparation system and process for 1,4-butanediol, comprising a formaldehyde generating apparatus, an acetylene generating ap...  
WO/2021/046011A1
We have discovered that a di-epoxide can be converted to a dialdehyde using an amorphous silica-alumina catalyst. The method comprises contacting a di-epoxide mixed in an organic solvent with a silica- alumina catalyst to form a solvent ...  
WO/2021/046046A1
Disclosed is a two-step process to make a dialdehyde. In the process a diepoxide is first hydrolyzed with an alcohol solvent to an intermediate which is then subjected to a double-Pinacol rearrangement to obtain a dialdehyde. The dialdeh...  
WO/2021/039230A1
The purpose of the present invention is to provide a method for producing an m-dialkylbenzaldehyde, said method using a reaction starting material containing a 1, 4-dialkylbenzene. A method for producing an m-dialkylbenzaldehyde repres...  
WO/2021/038374A1
A system and method for coproduction in the production of ethylene, including contacting ethane with an oxidative dehydrogenation (ODH) catalyst in presence of oxygen in a first reactor to dehydrogenate ethane to ethylene, and contacting...  
WO/2021/037671A1
The present invention relates to a method and to a production plant for producing methacrolein from formaldehyde and propionaldehyde in the presence of a homogeneous catalyst mixture, which is based at least on an acid and a base. The ai...  
WO/2021/037669A1
The present invention relates to a process and to a production plant for producing methacrolein from formaldehyde and propionaldehyde in the presence of water and a homogeneous catalyst based on at least one acid and one base. According ...  
WO/2021/032590A1
The present invention relates to a process for thermolytic fragmentation of a sugar into a composition comprising C1-C3 oxygenates. In particular, it relates to the use of heat carrying particles providing improved yields of C1-C3 oxygen...  
WO/2021/032673A1
The present application relates to a compound of the following formula (I), in which: - R1, R2, R3 and R4 represent, independently of each other, H or a (Ci-C30) alkyl group, the total sum of the number of carbon atoms of R1, R2, R3 and ...  
WO/2021/029983A1
A hydroformylation system for making aldehydes includes: (a) a primary reactor provided with catalyst feed, syngas feed and olefin feed adapted to convert the olefin and syngas to product aldehyde; (b) a first liquid vapor separator coup...  
WO/2021/025444A1
Despite various functions discovered of polyphenol-based compounds in regulating biological responses, such compounds, due to difficulty in procuring same in sufficient amounts with a high enough purity to permit application in pharmaceu...  
WO/2021/019005A1
The invention relates to a method for treating a composition comprising natural vanillin by separating a compound of formula (I).  
WO/2021/018095A1
The present application relates to a catalyst for preparing acrylic acid or acrolein and a preparation method therefor. The catalyst comprises a support and a composite metal oxide loaded on the support, the composite metal oxide being r...  
WO/2021/019001A1
The invention relates to natural vanillin compositions comprising at least one compound selected from among 4-((4-hydroxy-3-methoxybenzyl)oxy)-3-methoxybenzaldehyde and 4-hydroxy-3-(4-hydroxy-3-methoxybenzyl)-5-methoxybenzaldehyd e. The ...  
WO/2021/013848A1
The present invention relates to a continuous two-phase hydroformylation process for producing aldehydes from olefins by means of carbon monoxide, hydrogen and a transition metal catalyst in a reaction zone, the transition metal being in...  
WO/2021/013640A1
A process for the continuous production of either acrolein or acrylic acid as the target product from propene comprising a catalyzed gas phase partial oxidation of propene to yield a product gas containing the target product, transferrin...  
WO/2021/009312A1
The invention relates to a method (100) for producing a target compound, wherein an outlet gas mixture is provided in particular by oxidatively coupling methane, said outlet gas mixture containing an olefin, carbon monoxide, carbon dioxi...  
WO/2021/009307A1
The invention relates to a method (100) for producing a target compound, wherein a paraffin is subjected to an oxidative dehydrogenation process (1) using oxygen, thereby obtaining an olefin, and the olefin is subjected to a hydroformyla...  
WO/2021/009310A1
The invention relates to a method (100) for producing a target compound, wherein a first gas mixture is provided which contains at least one olefin with a first carbon number and carbon monoxide, and a second gas mixture, which is formed...  
WO/2021/007101A1
The present invention provides conjugates of a first polypeptide and a second polypeptide wherein the link between the first polypeptide and the second polypeptide comprises the following moiety.  
WO/2021/004719A1
The present invention relates to a novel process for producing methacrylates, such as methacrylic acid and/or alkyl methacrylates, in particular MMA. The present invention relates, in particular, to an increase in yield and efficiency of...  
WO/2021/002477A1
[Problem] To provide a novel method for obtaining an oxygen compound, e.g., dimethyl ether, by oxidizing a hydrocarbon, e.g., methane, in a vapor phase under simple and relatively mild conditions. [Solution] A method for oxidizing a hydr...  
WO/2020/260523A1
The present invention relates to a process for the preparation of a fatty aldehyde which process comprises (a) providing a fatty acid, and (b) contacting the fatty acid with a zerovalent metal catalyst to reduce the fatty acid to the fat...  
WO/2020/256852A1
Compositions comprising one or more amphiphilic compounds formed from lightly branched olefins may comprise: a reaction product of one or more lightly branched olefins, in which the reaction product comprises a hydrophobic portion and a ...  
WO/2020/245101A1
The present invention relates to a method for continuously producing C4-C10 diols from C3-C9 aldehydes, comprising the method steps: a) base-catalyzed addition of formaldehyde to C3-C9 aldehydes, the corresponding hydroxyaldehydes thus b...  
WO/2020/244140A1
A hydroformylation catalyst, a preparation method therefor and use thereof. The hydroformylation catalyst comprises an active component (20) and a carrier (10) carrying the active component (20). The active component (20) comprises a tra...  
WO/2020/242924A1
A recycle content ethylene is fed to a reactor to make propionaldehyde having recycle content. The recycle ethylene feedstock is derived directly or indirectly from the cracking of recycle content pyrolysis oil. The cracking of the pyrol...  
WO/2020/243190A1
The present disclosure describes compositions comprising substantially pure ribitol, pharmaceutical compositions of ribitol, and methods of making ribitol. The methods may include combining a reducing agent (e.g., borohydride) and ribose...  
WO/2020/240194A1
A process for the hydroformylation of olefins to aldehydes is disclosed. The process comprises: hydroformylating one or more olefins with hydrogen and carbon monoxide in the presence of a ligand-rhodium catalyst in a reaction zone; recov...  
WO/2020/237117A1
Provided are compounds that generate a peroxide and a surfactant when they react with ozone in the presence of water. Also provided are methods of using the above compounds to decompose a free radical, a reactive oxygen species (ROS) or ...  
WO/2020/234128A1
The invention concerns a process for preparing an aldol ester of the formula (I), characterized in that at least one carboxylic anhydride of the formula (II) is reacted with at least one aldol of the formula (III) with heating in the pre...  
WO/2020/003147A3
A hydrophilic polymer comprising pendent groups of the formula I: Wherein: W is independently selected from –OH, -COOH, -SO3H, -OPO3H, -O-(C1-4alkyl), -O-(C1-4alkyl)OH, -O-(C1-4alkyl)R2, -O-(C2H5O)qR1 –(C=O)-O-C1-4alkyl and –O-(C=O...  
WO/2020/226087A1
Provided is a method for collecting, from a fermented liquid, a target substance such as vanillin. When a target substance is collected from a fermented liquid containing the target substance through solvent extraction using an organic s...  
WO/2020/227388A1
Methods and systems for recovering materials from streams from processes for the co¬ production of propylene oxide and styrene monomer. The processes may permit the recovery of products, such a mono-propylene glycol, or the recycling of...  
WO/2020/220944A1
The present invention provides a method for synthesizing isopentenol by isomerization of methyl butynol. In the method, the catalyst used is a mixed catalyst composed of a primary catalyst, an auxiliary catalyst and an organic acid. The ...  
WO/2020/217209A1
The invention provides a method for depolymerising a phenolic polymer, the method comprising reacting the phenolic polymer with dimethylsulphoxide (DMSO) and a hydrogen halide. The phenolic polymer may be selected from the group consisti...  
WO/2020/216603A1
The invention concerns a method for purifying an aqueous-alcoholic feedstock, comprising: a) a step of counter-current liquid-liquid extraction, comprising an extraction section supplied at the top with said aqueous-alcoholic feedstock a...  
WO/2020/218451A1
Disclosed is a rare earth complex having a rare earth ion and a phosphine oxide ligand that is coordinated with the rare earth ion and that is represented by formula (I) (where R1, R2, R3, R4, R5 and R6 are each independently an optional...  
WO/2020/212805A1
A process for producing hydroxypivaldehyde (HPA, 3 -hydroxy- 2, 2-dimethylpropanal) comprising reacting under isothermal conditions, via a cross-aldol condensation reaction, an HP A reactant mixture (isobutyraldehyde (IΒΑ), formaldehyd...  
WO/2019/236614A8
The synthesis and application of compounds having unique and desired flavor and/or fragrance characteristics are provided herein. The compounds herein can be employed alone or incorporated as fragrance or flavor ingredients in fragrance ...  

Matches 1 - 50 out of 12,446