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Matches 451 - 500 out of 12,113

Document Document Title
WO/2013/111782A1
Provided is a method for producing, with a high yield and a short process, p-xylene and/or p-tolualdehyde using a biomass resource-derived substance as a raw material. This method for producing p-xylene and/or p-tolualdehyde includes: a ...  
WO/2013/111462A1
Provided are: a method for producing a hemiformal concentrate by reducing the amount of formaldehyde contained in water that is separated by evaporative dehydration of an aqueous hemiformal solution and by reducing the amount of water co...  
WO/2013/109670A1
An improved process for oxidation of at least one alcohol group of at least one chemical compound to the corresponding carbonyl group. Said process is carried out in the presence of a buffered oxidative hypohalous solution and of a nitro...  
WO/2013/084500A3
This invention provides a catalyst for producing unsaturated carboxylic acid from unsaturated aldehyde which is obtained by dehydration reaction of alcohol. In particular, this invention provides a catalyst for producing acrylic acid fro...  
WO/2013/098196A1
The present invention provides a process for the production of alcohols, which process comprises the steps of: (a) reacting an oxygenate and/or olefinic feed in a reactor in the presence of a molecular sieve catalyst to form an effluent ...  
WO/2013/097285A1
Disclosed is a preparation method of the lycopene intermediate 3-methyl-4,4-dialkoxy-1-butaldehyd. The preparation method comprises the following steps: (1) reacting 2-methyl-3,3-dialkoxy-1-halopropane with magnesium powder in the solven...  
WO/2013/097284A1
Provided in the present invention is a method for synthesizing 2,7-dimethyl-2,4,6-octatriene-1,8-dialdehyde. The synthesis method comprises the following steps: (1) adding acetaldehyde diethyl acetal and ethyl-(1-propenyl)-ether under th...  
WO/2013/098272A1
The present invention provides a process for the production of aldehydes and/or alcohols, which process comprises the steps of: (a) reacting an oxygenate and/or olefinic feed in a reactor in the presence of a molecular sieve catalyst to ...  
WO/2013/099819A1
Provided is a method for producing farnesal that is useful as an intermediate for the production of a medicinal agent, an agrichemical and a flavoring agent. Specifically provided is a method for producing farnesal (3), characterized by ...  
WO/2013/095766A1
Disclosed is an improved exothermic hydrofonnylation process hav¬ ing at least two reaction stages. Cooling is provided by externally cooling a stream of reaction mixture from one of the stages, dividing the cooled stream into at least ...  
WO/2012/099673A3
The invention relates to a process for converting hydrocarbons into products containing aldehydes and/or alcohols. The invention also relates to producing olefins from the aldehyde and alcohol, to polymerizing the olefins, and to equipme...  
WO/2013/087795A1
A method is described for purifying vanillin, and derivatives thereof, from a solution of vanillin or of a vanillin derivative in a solvent S1 containing impurities, comprising the following steps: a) a step of evaporating the solvent S1...  
WO/2013/086871A1
The present invention provides a new method for preparing glycolaldehyde with glycerin as a raw material. By using an optical-thermal coupling method, with TiO2 that supports a metal promoter as a catalyst, glycerin is further converted ...  
WO/2013/084258A1
This invention provides a catalyst for producing unsaturated carboxylic acid from unsaturated aldehyde which is obtained by dehydration reaction of alcohol. In particular, this invention provides a catalyst for producing acrylic acid fro...  
WO/2013/076288A1
A process for producing cyclic acetals is described. A formaldehyde source is contacted with an aprotic compound in the presence of a catalyst to produce the cyclic acetals. The aprotic compound can increase conversion rates and/or effic...  
WO/2013/075213A1
A method of producing at least one oxygenated compound such as methyl acetate, dimethyl ether, and formaldehyde, by reacting dimethyl carbonate with carbon monoxide in the presence of at least one solid catalyst, such as a zeolite cataly...  
WO/2013/076226A1
The present invention to a process for preparing 2-alkenals of the formula (I) in which R1 is selected from hydrogen and C1-C4-alkyl; and R2 is selected from hydrogen, C1-C12-alkyl, C2-C12-alkenyl, C4-C8-cycloalkyl and C6-C-10 aryl, wher...  
WO/2013/071403A1
A method of producing at least one oxygenated compound, such as methyl acetate, dimethyl ether, and formaldehyde, by reacting dimethyl carbonate and carbon monoxide in the presence of a faujasite zeolite, zeolite Beta, Linde Type L (LTL)...  
WO/2013/024489A4
There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH varying from 5 to 11, preferably from 6 to 11, more preferably from 7 to 11, wher...  
WO/2013/069630A1
Disclosed are: a tert-Butyl alcohol manufacturing method that, in order to efficiently manufacture a methacrylic-resin feedstock from isobutanol, has a step (1) in which isobutanol is dehydrated to produce butenes and a step (2) in which...  
WO/2012/172122A3
The invention discloses a method for the preparation of 2-(2,3-dimethylphenyl)-1-propanal starting from 1-bromo 2,3-dimethylbenzene and chloroacetone, its use in perfumes and its use for the preparation of medetomidine.  
WO/2013/011158A3
The invention discloses a method for the preparation of 2-(2,3-dimethylphenyl)-1-propanal starting from 1-bromo 2,3-dimethylbenzene and chloroacetone, its use in perfumes and its use for the preparation of medetomidine.  
WO/2013/053787A1
A process of forming methoxymelonal comprising the steps of treating a solution of citronellene to ozonolysis, and hydrogenating the product formed to provide methoxymelonal.  
WO/2013/054253A1
The invention relates to a compound of general formula (I), where: R1, R2 and R3 are each independently a hydrogen atom or a saturated or unsaturated, straight or branched C1 to C5 alkyl group; m is an integer from 1 to 4; and n is an in...  
WO/2013/053102A1
A process of forming methoxymelonal comprising the steps of treating a solution of citronellene to ozonolysis, and hydrogenating the product formed to provide methoxymelonal.  
WO/2013/050537A1
The present invention relates to a method for preparing a compound of formula (I), comprising the reaction of vanillin and vanillyl alcohol in the presence of a base.  
WO/2013/006098A3
The invention relates to sterically hindered phenols, and specifically to terpenophenols, and more precisely, to functional derivatives of isobornylphenol. The group of compounds is represented by formula (I):  
WO/2013/047479A1
This method for producing acrolein is characterized by having: a glycerol dehydration step for obtaining an acrolein-containing gas by causing a dehydration reaction of glycerol; a partial condensation step for cooling the acrolein-conta...  
WO/2013/018915A3
The present invention relates to the production of acrolein, acrylic acid or methacrylic acid by dehydration reaction of renewable raw material such as glycerin or hydroxycarboxylic acids, in the presence of a novel catalyst system suppo...  
WO/2013/017942A3
The present invention relates to the production of acrolein, acrylic acid or methacrylic acid by dehydration reaction of renewable raw material such as glycerin or hydroxycarboxylic acids, in the presence of a novel catalyst system suppo...  
WO/2013/011155A3
The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and aceton.  
WO/2012/172119A3
The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and aceton.  
WO/2013/011156A3
The invention discloses a method for preparation of 2-(2,3-dimethylphenyl)-1-propanal from bromo 2,3-dimethylbenzene and aceton, its use in perfumes and its use for the preparation of medetomidine.  
WO/2012/172120A3
The invention discloses 2-(2,3-dimethylphenyl)-1-propanal, a method for its preparation from -bromo 2,3-dimethylbenzene and aceton, its use in perfumes and its use for the preparation of medetomidine.  
WO/2013/049027A1
A method for reducing the amount of hydrogen sulfide present in liquid hydrocarbon media while minimizing the amount of corrosion in processing equipment contacting the liquid hydrocarbon media. The method includes adjusting a glyoxal so...  
WO/2013/037665A1
The invention relates to a vanillin composition in liquid form, which contains vanillin, ethylvanillin, and at least one solvent other than methanol, wherein the solvent is present in an amount of at least 40 wt % relative to the total w...  
WO/2013/012777A3
A process for making a tertiary aminoalcohol compound is disclosed. The process comprises using an excess amount of a carbonyl compound in a condensation step between the carbonyl compound and a nitroalkane in the presence of a catalytic...  
WO/2013/018752A3
 The present invention provides a glycerin dehydration catalyst which enables the high-yield production of unsaturated aldehydes and unsaturated carboxylic acid by dehydrating glycerin, and exhibits little reduction over time in glycer...  
WO/2012/099674A3
The invention relates to hydrocarbon conversion processes, e.g., to processes for producing acetylene from hydrocarbon and then hydrogenating at least a portion of the acetylene. The invention also relates to polymerizing one or more pro...  
WO/2012/138654A3
This invention related to atropisomeric 1,8-bisphenolnaphthalenes and derivatives thereof of the general formula (I): which are useful in resolution of enantiomers, enantioselective recognition and asymmetric synthesis.  
WO/2013/039705A1
A ternary V-Ti-P mixed oxide is shown to catalytically dehydrate 2- methyl-tetrahydrofuran in high conversion to give piperylene, in good yield. Volatile products collected from this reaction contain piperylene in concentrations as high ...  
WO/2013/034657A1
Compounds of formula (I) wherein R is methyl or ethyl, having floral, green odor notes, their use as fragrance and perfumed products comprising them.  
WO/2013/031598A1
This invention relates to a catalyst for oxygenate synthesis in which an oxygenate is synthesized from a mixture gas containing hydrogen and carbon monoxide, the catalyst for oxygenate synthesis containing: component (A): rhodium; compon...  
WO/2013/029129A1
The present invention describes an integrated system for producing ethyl acetate, acetaldehyde, hydrogen and ethylene with high added value, by means of a process including a reaction step comprising a calcined hydrotalcite catalyst. Sai...  
WO/2013/026699A1
The invention relates to a method for preparing an aromatic powder composition having a melting temperature Tf, including: i) feeding at least two basic powder solids having organoleptic properties into a mixer, the enclosure of which ha...  
WO/2012/177357A9
The present application relates to perfume raw materials, perfume delivery systems and consumer products comprising such perfume raw materials and/or such perfume delivery systems, as well as processes for making and using such perfume r...  
WO/2013/023462A1
Disclosed is a method for preparing 3,3-dimethyl butyraldehyde, comprising the following steps: t-butyl chloride and vinyl acetate are used as raw materials for catalytic preparation of 1-chloro-3,3-dimethylbutyl acetate, where the weigh...  
WO/2013/024489A1
There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH varying from 5 to 11, preferably from 6 to 11, more preferably from 7 to 11, wher...  
WO/2013/018915A2
The present invention relates to the production of acrolein, acrylic acid or methacrylic acid by dehydration reaction of renewable raw material such as glycerin or hydroxycarboxylic acids, in the presence of a novel catalyst system suppo...  
WO/2013/019312A1
An improved OXO process with converted waste oil recycle includes: (a) hydroformylating an olefin with synthesis gas in a reactor to produce an 0X0 product as well as by-product waste oil, the by-product waste oil having a lower or highe...  

Matches 451 - 500 out of 12,113