Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 751 - 800 out of 33,322

Document Document Title
WO/2015/185365A1
The invention relates to a method for separating a mixture containing at least one carboxylic acid vinyl ester of general formula R'-C(O)O-CH=CH2 and at least one carboxylic acid of general formula R'-COOH, wherein R' in either case can ...  
WO/2015/186073A1
The present disclosure relates to a process for the purification of crude carboxylic acid including the steps of - reacting at least one Lewis base with at least one crude carboxylic acid at a pre-determined temperature and pressure to o...  
WO/2015/186071A1
The present disclosure provides a process for the purification of crude carboxylic acid. The process comprises formation of an adduct of carboxylic acid with a Lewis base. The obtained adduct is treated with at least one fluid medium to ...  
WO/2015/185516A1
The invention relates to a method for aggregating and separating an organic material mixture which is provided in a dissolved form in an aqueous emulsion. The method is characterized by the following steps: a) providing an aqueous emulsi...  
WO/2015/186787A1
 Provided is a production method whereby corresponding carboxylic acid anhydrides and carboxylic acid esters can be obtained at high yield from various carboxylic acids even without a solvent and near room temperature. A method for pro...  
WO/2015/185361A1
The present invention relates to a method for purifying a crude benzoic acid (32) containing 5 to 20% by weight of byproducts and 80 to 95% by weight of benzoic acid, by means of distillation, wherein the distillation is performed in a p...  
WO/2015/183744A1
Processes and compositions reduce free fatty acid (FFA) in oils and fats and in neutral or acidic alkyl ester. The oils and fats or alkyl ester is heated to temperatures from 90 °F to 150 °F, and lower numbered alcohol and dilute caust...  
WO/2015/181285A1
The invention relates to a method for producing acrylic acid comprising the steps: (i) preparing a substance flow containing a formaldehyde source and ethanoic acid; and (ii) bringing the substance flow into contact with an aldol condens...  
WO/2015/082422A3
A process for reacting chemical compounds comprising the step of oxidizing a compound of formula (II) wherein R1 and R2 are halogen, and R3 is -(C1-C4) alkyl, in the presence of a peroxy reagent to obtain a compound of formula (III).  
WO/2015/183685A1
The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherei...  
WO/2015/181290A1
The invention relates to a method for producing acrylic acid, comprising the steps of (i) providing a flow S4 that contains a formaldehyde source and acetic acid; (ii) bringing said flow S4 into contact with an aldol condensation catalys...  
WO/2015/181023A1
The method can be used for preparing a p-hydroxymandelic compound comprising at least a step of condensing at least one aromatic compound bearing at least one hydroxyl group and of which the para position is free, with glyoxylic acid, th...  
WO/2015/181491A1
The invention relates especially to a method for grafting oligopeptides into porous hybrid materials, especially metal-organic frameworks (MOFs). The invention also relates to porous hybrid materials functionalised on the outer surface a...  
WO/2015/177093A1
The present invention relates to a process for reacting chemical compounds comprising the step of reacting a compound of formula (IV) wherein Hal is independently selected from CI or Br, and X" is a monovalent anion, in the presence of a...  
WO/2015/177179A1
A process to prepare a compound of Formula (I) wherein R3, R4 and R5 are each selected independently from hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxyl, and wherein the alkyl, alkenyl, alkynyl, and alkoxyl may be optionally substit...  
WO/2015/177026A1
The invention relates to a method for dehydrating aqueous 3-hydroxypropionic acid to form acrylic acid. In a first step of said method, a low-water mixture of monomeric 3-hydroxypropionic acid and oligomeric 3-hydroxypropionic acid is pr...  
WO/2015/177511A1
The present invention relates to a method of preparing a metal organic framework comprising metal ions and carboxylate ligands; the method comprises: reacting (i) a source of metal ions, with (ii) a carboxylic acid precursor of a the car...  
WO/2015/178342A1
 The present invention provides a method for producing a compound represented by general formula (5) (R1-Ar-X, where Ar, X, X', and R1 are as defined in the present specification and claims), the method characterized by reacting an aro...  
WO/2015/176562A1
The present invention relates to a method for processing acetic acid solvent in an oxidising unit of a PTA industrial apparatus; said method uses a pressure filter machine to filter crude terephthalic acid slurry, and then, using a multi...  
WO/2015/177029A1
The invention relates to a method for dehydrating aqueous 3-hydroxypropanoic acid to form acrylic acid. In a first step of said method, an aqueous mixture of 3-hydroxypropionic acid and oligomeric 3-hydroxypropionic acid is reacted in a ...  
WO/2015/173276A1
Catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst and releasing the α,β-ethylenically unsaturated carbo...  
WO/2015/173277A1
Catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, wherein an alkene and carbon dioxide are reacted in the presence of a carboxylation catalyst and in the presence of a specific aryloxide to obtain t...  
WO/2015/173296A1
Process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising, reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst to obtain a catalyst-coordinated carboxylated intermediate, trea...  
WO/2015/173295A1
Process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising, reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst and releasing the α,β-ethylenically unsaturated carboxylic aci...  
WO/2015/173307A1
Catalytic process for preparing an α, β-ethylenically unsaturated carboxylic acid salt, wherein an alkene and carbon dioxide are reacted in the presence of a carboxylation catalyst and of an organic base that is homogeneously dissolved...  
WO/2015/171516A1
The present invention relates to compounds of Formula I, compositions containing same, and methods of use.  
WO/2015/171613A1
Provided herein are composites made up of carbon-enriched open frameworks, and mechanochemical methods of producing such composites. Such open frameworks may include metal-organic frameworks (MOFs), including for example zeolitic imidazo...  
WO/2015/170713A1
Provided is a method for producing a 1,3-di-substituted-cyclobutane-1,2,3,4-tetracarboxylic acid (2) and a dianhydride (3) of the acid with high selectivity and high yield. A 1,3-di-substituted-cyclobutane-1,2,3,4-tetracarboxylic acid (2...  
WO/2015/169854A1
The invention provides a method for the preparation of regioisomerically pure intermediates which are useful for the preparation of carboxy-fluorescein-type compounds. Such compounds have broad applications within bio-conjugation and/or ...  
WO/2015/169833A1
Process for the recovery of carboxylic acid, in particular acetic acid containing carboxylic anhydride in particular acetic anhydride and other impurities, which comprises: (a) treating a fraction, in particular a fraction originating fr...  
WO/2015/171372A1
The present invention provides novel solutions to the problem of recycling carbonylation catalysts in epoxide carbonylation processes. The inventive methods are characterized in that the catalyst is recovered in a form other than as acti...  
WO/2015/170688A1
Provided is a metal-supported catalyst comprising a porous coordination polymer as a carrier (a metal-supported porous coordination polymer catalyst), said catalyst having an excellent catalytic activity and being applicable to various k...  
WO/2015/166706A1
The present invention addresses the problem of providing a method for producing acetaldehyde by hydrogenating acetic acid, whereby it becomes possible to utilize a raw material efficiently without wasting the raw material and produce ace...  
WO/2015/166507A1
The present disclosure provides a process for preparing an aromatic dicarboxylic acid, particularly terephthalic acid; said process comprising oxidizing p-xylene with an oxidizing agent in the presence of a carboxylic acid solvent, at le...  
WO/2015/138955A3
This invention relates to a process for making phenolic fatty acid compounds having a reduced phenolic ester content. The invention also relates to method for chemically bonding a phenolic resin with a non-phenolic polymer (e.g., a synth...  
WO/2015/164978A1
The present disclosure provides uses and methods for using compositions comprising a tetrabrachion protein from Staphylothermus marinus or a fragment thereof for detecting and/or recovering polycyclic aromatic hydrocarbons and/or PCBs fr...  
WO/2015/168327A1
Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous c...  
WO/2015/166911A1
 Provided is a method for producing (meth)acrylic acid that makes it possible to suppress the generation of carbide and to improve the yield of (meth)acrylic acid. A method for producing (meth)acrylic acid by gas-phase catalytic oxidat...  
WO/2015/166935A1
Provided are: a polymer comprising any of structural units represented by general formulae (1) to (3) in the polymer chain thereof, wherein at least a part of the structural unit has been stacked; a complex polymer wherein the aforesaid ...  
WO/2015/162281A1
A rotary filter comprising (i) a housing comprising a first wash zone comprising a first wash fluid input zone, a final wash zone comprising a final wash fluid input zone, and one or more intervening wash zone(s) each comprising a wash f...  
WO/2015/161684A1
The present invention relates to a solvent exchanger and a method for improving the exchange efficiency of a CTA solvent. The method comprises the following steps: (1) pressurizing a CTA slurry into a solvent exchanger for separation, an...  
WO/2015/159893A1
Provided is a method for manufacturing, by a simple method, a fatty acid chloride that does not cloud and has stable color over time. A fatty acid chloride is produced by causing a fatty acid with a carbon number of 8-22 and one-third to...  
WO/2015/159892A1
Provided is a fatty acid chloride which is manufactured by a simple method, which does not cloud and which has stable color over time. A fatty acid chloride is produced by causing a fatty acid with a carbon number of 8-22 and phosphorous...  
WO/2015/157082A1
Disclose are methods for minimizing the recycle of para-toluic acid within a terephthalic acid purification plant. Specifically, the disclosed methods remove a portion of the p-toluic acid from the pure plant flash condensate and recycle...  
WO/2015/155536A1
A process for the production of a complex of lactic acid and either ammonia or an amine, comprising: a) reacting a stream rich in saccharide with sodium hydroxide to produce a reaction mixture comprising sodium lactate; b) contacting at ...  
WO/2015/156131A1
[Problem] The problem to be solved is to provide [2-11C] acetic acid and [2-11C] acetic acid imidyl ester having the radioactivity necessary for the conduction of molecular imaging by PET, and methods for producing these. [Solution] The ...  
WO/2015/154979A1
The invention relates to a process for transvinylation of a carboxylic acid feedstock with a vinyl ester feedstock to obtain a vinyl ester product and the corresponding acid of the vinyl ester feedstock in the presence of one or more rut...  
WO/2015/155535A1
A process for producing an alkali metal lactate comprising: a) reacting a stream rich in saccharide with barium hydroxide to produce a first reaction mixture comprising barium lactate; and b) contacting at least a portion of said first r...  
WO/2015/152127A1
When crystallizing lactic acid to collect purified lactic acid crystals and recirculating the mother liquor to the crystallization step, by distilling a lactic acid-containing solution and using the lactic acid collected from the vapor s...  
WO/2015/150325A1
The invention pertains to a method for conversion of magnesium chloride into magnesium oxide and HC1, comprising the steps of - providing a magnesium chloride compound to a thermohydrolysis reactor, the reactor being at a temperature of ...  

Matches 751 - 800 out of 33,322