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Matches 1 - 50 out of 12,087

Document Document Title
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 ...  
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...  
WO/2019/165367A1
A method including hydroformylating, with syngas, ally] alcohol in an allyl alcohol feed, to produce a hydroformylation product comprising 4-hydroxybutyraldehyde and 3-hydroxy-2- methylpropionaldehyde; and producing a 1,4-butanediol (BDO...  
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...  
WO/2019/155899A1
The present invention relates to a method for producing vanillin, which comprises: a step (A) wherein a vanillin solution is obtained by subjecting a solution that contains crude vanillin and an aliphatic dicarboxylic acid dialkyl ester ...  
WO/2019/153954A1
Disclosed are a multi-substituted benzene compound having biological activity, a preparation method therefor, and an application thereof. The compound of the present invention has good biological activity and the activity of inhibiting t...  
WO/2019/151299A1
Provided is a method for relatively efficiently producing a glutaraldehyde derivative using an iridoid compound occurring in nature as a starting material, said glutaraldehyde derivative holding a substituent which is attached to the pyr...  
WO/2019/151710A1
The present specification relates to a method for producing dimethylolbutanal, comprising the steps of: (A) distilling a raw material containing dimethylolbutanal (DMB) in a distillation column; (B) separating the raw material distilled ...  
WO/2019/141534A1
The invention relates to at a multi-metal oxide material containing at least Mo, Bi, Fe, Cu and containing one or more than one of the elements Co and Ni and one or more than one of the elements Na, K, Rb and Cs and the use of the multi-...  
WO/2019/142865A1
The present invention relates to a catalyst which comprises a catalytic component including: a compound containing at least one element X selected from the group consisting of Groups 3-6 in the periodic table; a zinc (Zn) compound; and a...  
WO/2019/141761A1
The present invention concerns the use as perfuming ingredient of a compound of formula (I) in the form of any one of its stereoisomers or a mixture thereof, and wherein X represents a CHO group when R1 represents a C1-2 alkyl group or X...  
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...  
WO/2019/132739A1
The present invention relates to the field of organic chemistry and pharmacology and describes novel asymmetric derivatives of polyphenols of the dinaphthalene series of general Formula (I) or general Formula (II), a process of preparing...  
WO/2019/121011A1
Process for the preparation of 3-methyl-2-buten-1-al, wherein2-methyl-3-buten-2-ol is reacted to 3-methyl-2-buten-1-al in the presence of a catalyst, wherein the catalyst comprises a catalytically active metal and wherein the reaction is...  
WO/2019/123055A1
Disclosed is a process and catalyst for the production of glycolaldehyde from mixtures of formaldehyde, carbon monoxide, and hydrogen. The process disclosed herein employs a heterogenized catalyst complex for the production of glycolalde...  
WO/2019/121012A1
Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase.  
WO/2019/116608A1
The purpose of the present invention is to provide a method for producing an aldehyde, wherein a desired aldehyde can be obtained with a high selectivity and the formation of byproducts can be suppressed. The present invention pertains t...  
WO/2019/112866A1
The present invention relates to hydroformylation processes for producing aldehydes. In some embodiments, the process comprises contacting in a reaction zone reactants comprising an olefin, hydrogen and CO in the presence of a rhodium-or...  
WO/2019/106784A1
The present invention is provided with a reformer 1 for reforming a hydrocarbon source to obtain hydrogen and carbon dioxide, an ammonia production unit 10 for using the hydrogen and carbon dioxide obtained by the reformer 1 to obtain am...  
WO/2019/101813A1
The various aspects presented herein relate to the perfumery industry. More particularly, the various aspects presented herein relate to malodor counteracting compositions and/or ingredients, methods for counteracting malodors, as well a...  
WO/2019/100786A1
Provided is a method for synthesizing 3-ethoxy-4-methoxybenzaldehyde, comprising the following steps: by using isovanillin and a halogenated ethane as raw materials, stirring the reaction in a solvent under the action of a base and a cat...  
WO/2019/098242A1
The present invention pertains to a method for producing aldehyde by a hydroformylation reaction in which an olefin is reacted with hydrogen and carbon monoxide in the presence of a Group VIII-X metal-phosphine based complex catalyst, th...  
WO/2019/092056A1
The present invention refers to powerful 2-methyl-2,3-dihydro-1H-indene-2-carbaldehyde derivatives. The invention further refers to fragrance composition and fragranced articles comprising them.  
WO/2019/094290A1
Some embodiments of the present invention relate to processes to recover rhodium from a hydroformylation process. In some embodiments, the process to recover rhodium from the hydroformylation process comprises (a) treating a catalyst-con...  
WO/2019/084122A1
A composition comprising a distillate fuel, an oligomer portion comprising at least one dimethoxymethane oligomer, and a stabilizer comprising one or more alcohols. A composition comprising a distillate fuel, and an oligomer portion comp...  
WO/2019/083188A1
The present specification relates to a method for preparing trimethylolpropane, comprising the step of subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst in an alcohol solvent to afford tri...  
WO/2019/077140A1
The invention relates to a method for producing polyoxymethylene dimethyl ethers (OME) from methanol (ME), and to the use of a catalyst in the production of polyoxymethylene dimethyl ethers (OME) from methanol (ME) for controlling the su...  
WO/2019/070799A1
The present invention is directed to a novel polyalkylene glycol based reagent with aldehyde end groups, wherein the preparation of the reagent includes the steps of provide a polyalkylene glycol; provide an aldehyde compound; mix both r...  
WO/2019/047848A1
The invention belongs to the field of quality analysis and control of traditional Chinese medicine, and provides a method for separating eighteen components in a traditional Chinese medicine composition, comprising: (1) preparing the tra...  
WO/2019/049173A1
The present invention provides an in-situ process for preparation of a compound of formula 1 and intermediate thereof, These compounds are useful chemical intermediates for the production of pesticides and pharmaceutical products.  
WO/2019/050830A1
A process for recovering methacrolein and methanol from methacrolein dimethyl acetal. The method comprises a step of contacting a mixture comprising methyl methacrylate and methacrolein dimethyl acetal with a strong acid ion exchange res...  
WO/2019/043697A1
A slow-release composition comprising: first host material essentially comprising a mesoporous molecular sieve; guest material within the first host material, the guest material comprising at least one pheromone, wherein the pheromone is...  
WO/2019/045809A1
This disclosure relates to a process for making an alcohol product comprising a gamma- branched alcohol from a vinylidene olefin by hydroformylation.  
WO/2019/043251A1
The present invention relates to novel compounds which are particularly useful for the synthesis of novel chromanol derivatives. These compounds have interesting properties. Particularly, the novel chromanol derivatives have interesting ...  
WO/2019/042807A1
The present invention relates to a process for producing optical molding materials on the basis of methyl methacrylate, wherein said MMA is produced by means of an optimized method and the molding materials exhibit in particular a very l...  
WO/2019/039565A1
The present invention addresses the problem of providing a bisphosphite compound that achieves higher target product selectivity while maintaining a high reaction rate. The present invention relates to a dihydroxybiphenyl compound repres...  
WO/2019/026582A1
The present invention provides a method for mixing a fluoroacetaldehyde represented by the following formula and anhydrous hydrogen fluoride to preserve the fluoroacetaldehyde for extended periods. The adduct comprising the preserved flu...  
WO/2019/025017A1
The present invention relates to a process for the preparation of elafibranor and novel synthesis intermediates.  
WO/2019/020773A1
The present invention relates to a new bio-sourced vanillin and/or ethylvanillin, containing specific impurities. The invention further relates to a process for their preparations and the use of such compounds.  
WO/2019/015974A1
The present invention concerns compounds of formula (I) in the form of any one of its stereoisomers or a mixture thereof, and wherein each R1, independently from each other, represents a hydrogen atom or a methyl group; R2 and R3 represe...  
WO/2018/236823A1
In one aspect, a hydroformylation reaction process comprises contacting an olefin, hydrogen, and CO in the presence of a homogeneous catalyst in a cylindrical reactor to provide a reaction fluid, wherein the reactor has a fixed height, a...  
WO/2018/232133A1
Redox catalysts having surface medication, methods of making redox catalysts with surface modification, and uses of the surface modified redox catalysts are provided. In some aspects, the redox catalysts include a core oxygen carrier reg...  
WO/2018/221830A1
The present invention relates to a catalyst composition for a hydroformylation reaction and a method for preparing an aldehyde using the same. More specifically, a catalyst composition having excellent catalytic activity or stability whi...  
WO/2018/219467A1
The present invention primarily relates to a method for producing an aroma mixture containing unsaturated dienals. The invention also relates to aroma mixtures that are or can be produced using a method according to the invention and pre...  
WO/2018/217963A1
Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.  
WO/2018/217962A1
Provided is a process for preparing methacrolein which maximizes capture of methanol. Also provided are processes for producing methacrylic acid and methyl methacrylate.  
WO/2018/217964A1
Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.  
WO/2018/217961A1
Provided is a process for preparing methacrolein which maximizes capture of methanol. Also provided are processes for producing methacrylic acid and methyl methacrylate.  
WO/2018/203344A1
The present invention disclosed a one step process for hydroformylation of olefins, preferably iron catalyzed hydroformylation of olefins, wherein the conversion of olefin is in the range of 40 to 99%.  
WO/2018/196812A1
Disclosed are a boric acid and borate ester compound, and a preparation method and use therefor. Specifically disclosed are a borate ester compound of formula I, a crystal form, and pharmaceutically acceptable salts, hydrates or solvates...  

Matches 1 - 50 out of 12,087