Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 112,777

Document Document Title
WO/2019/103549A3
The present invention relates to a method for efficiently preparing dimethyl terephthalate. According to the present invention, it is possible to efficiently prepare dimethyl terephthalate with a high yield by using ethylene gas as an ox...  
WO/2019/138000A1
The present invention relates to the use of a transition metal catalyst TMC1, which comprises a transition metal M selected from metals of groups 7, 8, 9 and 10 of the periodic table of elements according to IUPAC and a tetradentate liga...  
WO/2019/139719A1
A heterogeneous catalyst comprising a support and a noble metal, wherein said support comprises silicon, and wherein said catalyst comprises from 0.1 to 40 mol% titanium and from 0.1 to 10 mol% of at least one noble metal based on total ...  
WO/2019/139720A1
A method for preparing methyl methacrylate from methacrolein and methanol; said method comprising contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, whe...  
WO/2019/139264A1
The present invention relates to a method for cycloaddition of dimethyl muconate, in which by directly transferring a solid phase trans,trans-dimethyl muconate into a reactor pre-filled with ethylene gas, the efficiency of the reaction c...  
WO/2019/136283A1
This present disclosure relates to catalytic processes for upgrading crude and/or refined fusel oil mixtures to higher value renewable chemicals, via mixed metal oxide or zeolite catalysts. Disclosed herein are processes passing a vapori...  
WO/2019/135243A1
This invention relates to methods for preparation of jasmonate compounds via a salt of jasmonic acid.  
WO/2019/127649A1
Disclosed is a self-aligned liquid crystal adjuvant, comprising an adjuvant I as shown in formula 1 and an adjuvant II as shown in formula 2. Further disclosed is a self-aligned liquid crystal mixture comprising the above self-aligned li...  
WO/2019/131442A1
In this method for producing a fatty acid polyoxyethylene methyl ether, ethylene oxide is added to a fatty acid methyl ester component having as the main component thereof a fatty acid methyl ester having a C18-22 fatty acid residue, sai...  
WO/2019/121453A1
The present invention relates to a method for preparing acetate compounds using ketene.  
WO/2019/123125A1
The present disclosure relates to a process for the manufacturing of a compound comprising a (meth)acryloyl group, wherein the process comprises the steps of: a) providing a multi-screw extruder comprising a reaction chamber; b) providin...  
WO/2019/120235A1
The present invention relates to a class of phenylcarboxylic acid derivatives, a preparation method therefor and a use thereof, more specifically relating to a class of phenylcarboxylic acid derivatives as shown in formula I, a preparati...  
WO/2019/116798A1
Provided are a (meth)acrylate compound represented by general formula (1) and a method for producing the same. In the formula, R1 to R4 are each the same or different and are an alkyl group, an aryl group, or a halogen atom, R5 and R6 ar...  
WO/2019/114154A1
Disclosed is an acrylate compound for a coating, having both an oleophilic polycyclic aliphatic group and a hydrophilic hydroxy group, as well as a higher polymerization reaction activity. When the acrylate compound is used for a solvent...  
WO/2019/116789A1
Provided is a method for producing a fluorine-containing organic compound, the method being capable of detecting an occurrence of a side reaction in a direct fluorination reaction using a fluorine gas, and also capable of producing a hig...  
WO/2019/109873A1
Disclosed in the present invention are an emodin succinyl ester compound, a preparation method therefor and a use thereof, the emodin succinyl ester compound having the structure as represented by formula I (R being a C1-5 alkyl group). ...  
WO/2019/111853A1
The present invention addresses the problem of providing a method for producing a dicarboxylic acid monoester with excellent production efficiency, a method for producing a polymerizable liquid crystal compound, and a novel dicarboxylic ...  
WO/2019/107772A1
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the production of byproducts is suppressed in a hydrogenation reaction, and thus the activity of a catalyst is impro...  
WO/2019/107771A1
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the stereoselectivity of a hydrogenation reaction is increased, and thus the content of cis-isomers in products is h...  
WO/2019/107770A1
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the production of byproducts is suppressed in a hydrogenation reaction, and thus the activity of a catalyst is impro...  
WO/2019/107773A1
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the stereoselectivity of a hydrogenation reaction is increased, and thus the content of cis-isomers in hydrogenation...  
WO/2019/103549A2
The present invention relates to a method for efficiently preparing dimethyl terephthalate. According to the present invention, it is possible to efficiently prepare dimethyl terephthalate with a high yield by using ethylene gas as an ox...  
WO/2019/103759A1
Processes are described for purifying a biphenyldicarboxylic acid product containing one or more impurities, particularly at least formylbiphenylcarboxylic acid. In the processes, at least a portion of the biphenyldicarboxylic acid produ...  
WO/2019/101296A1
The invention relates to a method for producing vinyl acetate in a heterogeneously catalysed, continuous gas phase process by reacting ethylene with acetic acid and oxygen in a fixed-bed tube reactor and processing the product gas stream...  
WO/2019/103756A1
Processes are described for purifying a biphenyldicarboxylic acid product containing one or more impurities, particularly at least formylbiphenylcarboxylic acid. In the processes, a mixture comprising the biphenyldicarboxylic acid produc...  
WO/2019/101679A1
The present invention relates to a method for the metal-free preparation of a biaryl compound by a photosplicing reaction and its use in the preparation of chemical compounds, preferably of active ingredients e.g. in the fields of pharma...  
WO/2019/096761A1
The present invention is directed to a process for the production of methyl acrylate wherein methyl lactate is contacted with a ZSM-5 catalyst in the presence of methanol. It was found that the presence of methanol is essential to obtain...  
WO/2019/089542A1
Disclosed herein are methods for the preparation of boronate derivatives in the synthesis of antimicrobial compounds and uses thereof. Disclosed herein includes method of making a compound of Formula (B) by reducing the ketone group of t...  
WO/2019/082865A1
The purpose of the present invention is to provide an ester lubricant base oil for fluid bearings that has an excellent hydrolysis resistance and low-temperature fluidity, a high viscosity index, and a good evaporation resistance. The pr...  
WO/2019/078061A1
A method for manufacturing a bio-liquid fuel, said method comprising contacting oil-containing microalgae with supercritical or subcritical methanol or supercritical or subcritical ethanol in the presence of a catalyst which is an oxide ...  
WO/2019/078244A1
Provided is a catalyst for the production of an α,β-unsaturated carboxylic acid, which enables the production of an α,β-unsaturated carboxylic acid with high yield. A method for producing a catalyst for the production of an α,β-uns...  
WO/2019/072655A1
The invention relates to a carrier catalyst for producing vinyl acetate, comprising a carrier made of layered silicate, which is loaded with palladium, gold and at least one alkali compound, characterized in that the carrier is designed ...  
WO/2019/075195A1
The present disclosure provides processes for preparing (+)-pleuromutilin and synthetic (+)-pleuromutilin produced therefrom. Also provided are intermediates prepared thereby and processes for preparing these intermediates.  
WO/2019/075004A1
Provided is a process for the preparation of certain 1,4-bicyclo[2.2.2]octane derivatives. The new synthetic procedure involves treating 1,4-dimethylene cyclohexane with an oxidizing agent in the presence of a transition metal catalyst t...  
WO/2019/071180A1
Methods are described herein for making a composition comprising at least one of caffeic acid, monocaffeoylquinic acids, and dicaffeoylquinic acids, and salts thereof.  
WO/2019/066671A1
The present invention relates to the field of preparing esters of terephthalic acid, used as plasticizers for the manufacture of plasticizers for polyvinyl chloride plastic materials. The invention discloses a method according to whic...  
WO/2019/065892A1
The purpose of the present invention is to provide a separation method by which a light liquid and a heavy liquid can be efficiently separated from a mixed liquid containing a light liquid, a heavy liquid, and an emulsion of the light li...  
WO/2019/061358A1
A method for directly producing methyl acetate and/or acetic acid from syngas, the reaction process being completed in at least two reaction zones, the method comprising: causing a raw material containing syngas to enter a first reaction...  
WO/2019/067061A1
This disclosure relates to ester compounds derived from neo-alcohol, lubricating oil base stocks comprising such ester compounds, lubricating oil compositions comprising such ester compounds, and method for making such compounds and/or b...  
WO/2019/060188A1
The present teachings disclose contacting an amine salt catalyst with a dicarbonyl compound having an alkylene group between the carbonyl group; adding formaldehyde, paraformaldehyde, or formalin in an amount of about 2:1 to about 3:1 mo...  
WO/2019/060591A1
Provided are processes and products of manufacture that provide a green solution to the hydrolysis of C8/C10 methyl ester to fatty acids. Provided are reactive distillation processes for producing an aliphatic acid and an alcohol as hydr...  
WO/2019/060749A1
Method of forming a trisubstituted ethylene compound, the method comprising: (A) providing a trisubstituted ethylene compound bearing a first, a second and a third substituent, in which the first and the second substituent are bound to t...  
WO/2019/059801A1
The invention relates to the method of preparing benzoic acid esters which provides high selectivity of the process, and high yield of the desired product, as well as the reduction of the duration of the esterification process, comprisin...  
WO/2019/057458A1
The present invention relates to a novel method for the oxidative esterification, in general for the conversion of aldehydes with alcohols in the presence of oxygen-containing gases directly to the corresponding ester in the presence of ...  
WO/2019/060192A1
A method for preparing methyl methacrylate from methacrolein and methanol. The method comprises contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, where...  
WO/2019/057600A1
The present invention relates to the compound of formula (I). The invention further relates to the compound of formula (II). The invention further relates to the synthesis of these compounds as well as to their use in organic synthesis, ...  
WO/2019/059800A1
The present invention relates to the field of preparing glycol esters used as plasticizers in the manufacture of films for multilayered glass. In particular, the invention relates to a method for preparing triethylene glycol ester of ...  
WO/2019/051597A1
The present disclosure relates to the formation of terephthalate esters of Formula (I) which are formed by the depolymerization of polyethylene terephthalate (PET) or poly(ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate). The ...  
WO/2019/053438A1
A catalyst has a modified silica support and comprises a modifier metal, zirconium and/or hafnium, and a catalytic metal on the modified support. The catalyst has at least a proportion, typically, at least 25%, of modifier metal present ...  
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...  

Matches 1 - 50 out of 112,777