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Matches 501 - 550 out of 33,291

Document Document Title
WO/2017/007965A1
The present invention relates to the depolymerization of polymers and the recovery of the starting materials used for the production of the polymer. The present invention also relates to the depolymerization of polyethylene terephthalate...  
WO/2017/005967A1
The purpose of the present invention is to provide organometallic salt compositions that are useful as lubricant additives and/or in lubricant additive compositions to reduce friction and wear, and also have improved solubility in ail fo...  
WO/2017/005570A1
Process for preparing chloroacetyl chloride by (a) reacting chloroacetic acid with phosgene in the liquid phase at a temperature of 0 to 100°C under a pressure of 0.05 to 0.2 MPa abs. in the presence of a catalyst adduct of phosgene and...  
WO/2017/003498A1
A process for producing acetic acid is disclosed in which the methyl iodide concentration is maintained in the vapor product stream formed in a flashing step. The methyl iodide concentration in the vapor product stream ranges from 24 to ...  
WO/2015/197197A8
This invention relates to a process for the purification of acrylic acid from a mixture containing acrylic acid and acetic acid, comprising the following steps: i) extraction of the mixture containing acrylic acid and acetic acid with an...  
WO/2017/000270A1
The present invention relates to a crystal form A and a crystal form B of sertraline citrate, and preparation methods therefor. The crystal form A and the crystal form B of sertraline citrate have good dissolvability, high dissolution an...  
WO/2017/003497A1
A process for producing acetic acid is disclosed in which the water concentration is controlled in the side stream between two columns. Controlling the water concentration by the liquid light phase recycle controls the hydrogen iodide co...  
WO/2017/001647A1
The present invention provides a method for preparing rhodium (III) 2-ethylhexanoate solutions which supplies the reaction product with higher space yield, as well as lower sodium and chloride ion content. An aqueous solution of an alkal...  
WO/2017/004349A2
The present invention provides methods for the production of terephthalic acid and derivatives thereof using ethylene oxide, carbon monoxide and furan as feedstocks. The process is characterized by high yields and high carbon efficiency....  
WO/2017/004441A2
The present invention provides methods for the production of terephthalic acid and derivatives thereof using ethylene oxide, carbon monoxide and furan as feedstocks. The process is characterized by high yields and high carbon efficiency....  
WO/2016/206373A1
The present invention belongs to the field of pharmaceutical synthesis, relates to a method for preparing a substituted phenylacetic acid derivative, and particularly, to a method for preparing 2-[4-(2-oxopent methyl)phenylpropionic acid...  
WO/2016/210281A1
Methods for the production of 2,4-dihydroxybutyrate (2,4-DHB) from erythrose and other four-carbon sugars are disclosed. The improved methods facilitate the production of 2,4-DHB that is a precursor for biorenewable and animal nutrition ...  
WO/2016/209927A1
The present disclosure relates to methods of removing halides from a reactor effluent comprising treating a halide containing carbonylation product with a resin or material comprising a metal ion with a metal loading of greater than 15 w...  
WO/2016/207056A1
A process for the separation of a substance from a liquid feed mixture and for the purification of the substance by fractional layer crystallization, wherein the liquid feed mixture comprises the substance to be separated and purified in...  
WO/2016/202757A1
The invention discloses a method for the preparation of carboxylic acid chlorides starting from methyl ketones with a sulfur chloride.  
WO/2016/203283A1
The present invention relates to the use of molybdenum and vanadium mixed oxides, optionally iron doped, as catalysts for the oxidation of unsaturated alcohols, in particular allyl alcohol, and also to a process for the production of uns...  
WO/2016/200387A1
A bipolar membrane electrodialysis method and system are described for purifying an organic acid from an aqueous solution containing the salt of the organic acid. The system includes a bipolar membrane electrodialysis stack that includes...  
WO/2016/198495A1
The present invention is directed to a process for catalytic hydrodechlorination of dichloroacetic acid, wherein hydrogen gas is contacted with a liquid feed comprising dichloroacetic acid and monochloroacetic acid to form a product stre...  
WO/2016/198605A1
The present invention relates to a method for fractionating a crude mixture comprising at least one oil and at least one wax, which comprises the following steps: (a) mixing the crude mixture with a solvent to obtain a crude solvent-mixt...  
WO/2016/198374A1
Substituted aromatic sulfonamides of formula (I) pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a di...  
WO/2016/197237A1
A catalyst for the carbonylation of dimethyl ether to methyl acetate. The catalyst comprises a zeolite, such as a mordenite zeolite, at least one Group IB metal, such as copper, and/or at least one Group VIII metal, such as iron, and at ...  
WO/2016/194850A1
Provided is a process for producing acetic acid by efficiently separating permanganic-acid reducing substances (PRC's) and methyl iodide. A mixture (3A) containing PRC's and methyl iodide is distilled in a distillation step (5) to separa...  
WO/2016/196517A1
There are provided herein novel catalytic approaches of producing deoxygenated bio-oil in fast pyrolysis reaction conditions. In one embodiment, HZSM-5 zeolite was modified by loading bimetallic catalyst compounds, resulting in new catal...  
WO/2016/186505A1
A carboxylic acid-containing composition, which composition contains an aldehyde, is purified in a process, which process comprises introducing the carboxylic acid-containing composition and an aqueous electrolyte into an electrolytic ce...  
WO/2016/186504A1
An aromatic dicarboxylic acid of chemical formula HOOC-Ar1-COOH is prepared in a process wherein a feedstock comprising at least an aromatic aldehyde compound of chemical formula (1): OHC-Ar1-COOH, wherein Ar1 represents an arylene or he...  
WO/2016/183769A1
A process of oxidizing an alcohol for the production of its corresponding carbonyl compounds is disclosed, wherein the oxidation is performed with oxygen or gases containing oxygen in the presence of a catalyst comprising at least a gold...  
WO/2016/181800A1
An oxidation reactor with which hydrocarbons can be oxidized efficiently in terms of both reaction efficiency and energy efficiency is provided. This oxidation reactor is equipped with: a liquid introduction channel through which a liqui...  
WO/2016/180775A1
A catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt from an alkene, carbon dioxide and an alkoxide having a secondary or tertiary carbon atom directly bound to a [O-] group is described. The alcohol ...  
WO/2016/180532A1
The invention relates to a fixed bed (10) for a fixed-bed reactor (100); said fixed bed (10) includes a particulate support and at least one reactive substance; the support is a silica compound, and the reactive substance is an organomet...  
WO/2016/172609A1
Provided are methods for the production of isophthalic acid (IPA) and derivatives thereof. The methods are based on the addition of beta propiolactone to furfural or a derivative thereof. Provided are cost effective routes to biobased IP...  
WO/2016/168924A1
Acid hydrolysis of biomass is an important step for releasing the component sugars before converting them to fuels and/or biochemicals. During such a process, a significant amount of mineral acid, such as sulfuric acid, is used. In most ...  
WO/2016/167225A1
The purpose of the present invention is to provide a method for producing 2-halogenated benzoic acids, the method imparting high regioselectivity (high selectivity) and having a shorter reaction time than does the conventional reaction. ...  
WO/2016/166525A1
The present invention relates to a process for the production of an ethylenically unsaturated carboxylic acid or ester, preferably α,ß ethylenically unsaturated carboxylic acids or esters, by the liquid phase reaction of formaldehyde o...  
WO/2016/163551A1
The purpose of the present invention is to provide a method for stabilizing an acrylic acid derivative and a composition which contains an acrylic acid derivative that has been stabilized. The composition comprises (A) an acrylic acid de...  
WO/2016/164748A1
This document describes a process for the high purity and high concentration recovery of monovalent products via continuous ion exchange from aqueous solution for further downstream purification.  
WO/2016/162175A1
The invention relates to a method for the dehydration of aqueous 3-hydroxypropanoic acid to form acrylic acid. Said 3-hydroxypropanoic acid is produced by fermentation, the 3-hydroxypropanoic acid is separated from the fermentation broth...  
WO/2016/162888A1
The invention relates to a method for preparing pharmaceutical grade ferric citrate that has a BET active surface area of < 16 m2/g and a dissolution rate of 4 to 9 mg/cm2/min. The invention further provides pharmaceutical grade ferric c...  
WO/2016/162662A1
A process for the production of glycolic acid or derivatives thereof from formaldehyde comprising reacting formaldehyde with carbon monoxide and water in the presence of a silica catalyst, wherein from about 200 to about 5000 ppm of an a...  
WO/2016/162628A1
The invention relates to a method for the simultaneous production of azelaic and pelargonic acids, comprising the following successive steps: (a) providing a liquid stock solution of oleic acid; (b) dispersing a quantity of water in the ...  
WO/2016/157017A1
A method of purifying a stream having an aromatic carboxy-aldehyde and an aromatic acid or the corresponding anhydride is described. The method includes reacting a hydroxylamine-containing compound with the aromatic carboxy-aldehyde in t...  
WO/2016/156257A1
The invention pertains to a method for recovering HCl from a HCl containing gas stream wherein a HCl containing gas stream with a temperature of -20 to 25ºC is provided to an adiabatic absorptionunit where it is contacted with water as ...  
WO/2016/160707A1
This invention provides a way to deal with acetic acid derived from biomass, for fermentation of cellulosic sugars. In some variations, a process for producing ethanol from lignocellulosic biomass comprises: extracting hemicelluloses and...  
WO/2016/159302A1
The present invention provides a method for producing perfluoropolyether acyl fluoride, the method including reducing peroxy perfluoropolyether by using a formyl group-containing compound in the presence of a transition metal catalyst.  
WO/2016/160060A1
Processes for the producing acetic acid and, in particular, to improved processes for removing a cation, such as lithium, and iodides from a low energy carbonylation process to produce purified acetic acid. In one embodiment, the cation,...  
WO/2016/158365A1
Provided is a practical method for manufacturing 3,3-difluoro-2-hydroxypropionic acid, which is important as an intermediate for medical and agricultural chemicals. By reacting a 4,4-difluoro-3-oxobutanoic acid ester with chlorine (Cl2),...  
WO/2016/157018A1
A method of removing an aromatic carboxy-aldehyde from an aromatic acid or the corresponding anhydride includes reacting a hydroxylamine-containing compound with the aromatic carboxy-aldehyde to form a reaction mixture including the corr...  
WO/2016/147324A1
Provided are: a catalyst which is capable of producing an unsaturated aldehyde and/or an unsaturated carboxylic acid, preferably acrolein and/or acrylic acid, or methacrolein and/or methacrylic acid with high yield; and a method for prod...  
WO/2016/148929A1
Methods for catalytically dehydrating lactate salt to acrylic acid, acrylate salt, or mixtures thereof with high yield and selectivity and without significant conversion to undesired side products, such as, acetaldehyde, propionic acid, ...  
WO/2016/148930A1
Bicomponent catalysts and methods for making bio-based acrylic acid, acrylic acid derivatives, or mixtures thereof from lactic acid, lactic acid derivatives, or mixtures thereof are provided.  
WO/2016/149091A1
A method of making terephthalic acid via reductive coupling of two molecules of propiolic acid or propiolic acid derivatives is presented. The reductive coupling can be catalyzed by compounds comprising metals, and propiolic acid or prop...  

Matches 501 - 550 out of 33,291