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8124816 |
Hydrogenation of esters with Ru/tetradentate ligands complexes
The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with tetradentate ligands having at least one amino or imino coordinating...
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8088832 |
System and method for converting biomass to ethanol via syngas
A method and apparatus for synthesizing ethanol using synthetic routes via synthesis gas are disclosed. A method and apparatus for gasifying biomass, such as biomass, in a steam gasifier that...
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8080693 |
Production of ethanol from methanol
A process for converting methanol to ethanol which comprises reacting methanol and carbon monoxide in the presence of a catalyst to produce a product comprising at least 25 mole % methyl acetate...
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8080694 |
Catalyst for gas phase hydrogenation of carboxylic acids having a support modified with a reducible metal oxide
A process for selective formation of ethanol from acetic acid includes contacting a feed stream containing acetic acid and hydrogen at an elevated temperature with catalyst comprising platinum and...
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8071821 |
Direct and selective production of ethanol from acetic acid utilizing a platinum/ tin catalyst
A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this...
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8013193 |
Method for producing alcohol by hydrogenating lactone and carboxylic acid ester in liquid phase
Disclosed is a method for producing an alcohol from a lactone or a carboxylic acid ester, which enables to produce an alcohol from a lactone or a carboxylic acid ester under relatively mild...
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7884253 |
Methods and apparatus for selectively producing ethanol from synthesis gas
The invention provides methods and apparatus for selectively producing ethanol from syngas. As disclosed herein, syngas derived from cellulosic biomass (or other sources) can be catalytically...
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7863489 |
Direct and selective production of ethanol from acetic acid utilizing a platinum/tin catalyst
A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this...
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7847134 |
Process of producing monohydric alcohols from monocarboxylic acids or derivatives thereof
Disclosed herein is a method for producing monohydric alcohols from monocarboxylic acids or derivatives thereof using a catalyst comprising ruthenium (Ru) and tin (Sn) using zinc oxide (ZnO) as...
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7842844 |
Process for the conversion of hydrocarbons to C2-oxygenates
Process for the conversion of hydrocarbons to ethanol and optionally acetic acid by converting hydrocarbon in a syngas reactor into a stream A comprising a mixture of carbon oxide(s) and hydrogen...
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7834223 |
Process for the conversion of synthesis gas to oxygenates
Process for the conversion of carbon oxide(s) and hydrogen containing feedstocks to oxygen-containing hydrocarbon compounds in the presence of a particulate catalyst, by reacting carbon oxide(s)...
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7834224 |
Ligand iron catalysts for selective hydrogenation
Disclosed are iron ligand catalysts for selective hydrogenation of aldehydes, ketones and imines. A catalyst such as dicarbonyl iron hydride hydroxycyclopentadiene) complex uses the OH on the five...
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7777083 |
Iridium catalysts for catalytic hydrogenation
A process for the reduction of compounds comprising one or more carbon-oxygen (C═0) double bonds, to provide the corresponding alcohol, comprising contacting the compound with hydrogen gas at a p...
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7772445 |
Ruthenium catalysts for catalytic hydrogenation
The present disclosure relates to a process for the hydrogenation of compounds comprising one or more carbon-oxygen (C═O) double bonds, to provide the corresponding alcohol, comprising contacting t...
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7728182 |
Process for producing hydrocarbon derivative products from feedstock containing hydrocarbons
The process for producing a predetermined CXHYOZ product from a primary feedstock containing hydrocarbons and a secondary feedstock is disclosed, wherein X, Y and Z are integers. The process...
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7709689 |
Homogenous process for the hydrogenation of carboxylic acids and derivatives thereof
A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic...
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7663003 |
Catalyst and method for the hydration of carbonyl compounds
A process for hydrogenating an organic compound which has at least one carbonyl group, in which the organic compound is brought into contact in the presence of hydrogen with a shaped article which...
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7642386 |
Method for producing alcohol
The invention relates to a process for producing an alcohol from fats and oils, including: step 1 of reacting starting fats and oils with water to produce a reaction product containing a glycerin...
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7608744 |
Ethanol production from acetic acid utilizing a cobalt catalyst
A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this...
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7605293 |
Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived products
An environmentally beneficial method of producing methanol from varied sources of carbon dioxide including flue gases of fossil fuel burning powerplants, industrial exhaust gases or the atmosphere...
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7579508 |
Process for producing alcohol
The invention provides a process for producing an alcohol, including the step of hydrogenating a glyceride in the presence of a catalyst, adding water, or a process for producing an alcohol,...
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7538060 |
Palladium-copper chromite hydrogenation catalysts
Disclosed are catalysts comprising copper chromite, palladium and lanthanum having hydrogenation activity. The combination of copper chromite with palladium and lanthanum enhances catalyst activity...
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7518022 |
Liquid vegetable unsaturated alcohol and process for producing the same
The invention is directed to liquid vegetable unsaturated alcohol mixture having an iodine value of 88 to 100 and a cloud point less than 7° C., the unsaturated alcohol mixture being prepared by ...
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7408087 |
Process for making unsaturated coconut and/or palm nut fatty alcohols
Unsaturated coconut and/or palm nut fatty alcohols having an iodine number in the range from 65 to 85, which essentially comprise unsaturated fatty alcohols and mixtures of saturated fatty alcohols...
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7378561 |
Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products from carbon dioxide and water (moisture) of the air as sole source material
A method for producing methanol and dimethyl ether using the air as the sole source of materials is disclosed. The invention relates to a method for separating the water (i.e., the moisture in the...
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7265237 |
Chiral monophosphites as ligands for asymetrical synthesis
Certain chiral monophosphites and their monothio derivatives are suitable as ligands in the asymmetrical transition-metal-catalyzed hydrogenation, hydroborination and hydrocyanation of prochiral...
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7217847 |
Method for the production of optically active 2-amino 2-chloro, 2 hydroxy or 2-alkoxy-1-alcohols
The invention relates to a process for preparing optically active 2-amino-, 2-chloro-, 2-hydroxy- or 2-alkoxy-1-alcohols by catalytically hydrogenating appropriate optically active 2-amino-,...
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7208642 |
Process for preparation of formate esters or methanol and catalyst therefor
A production process and a catalyst are provided, which can be less decreased in activity of the catalyst even when CO2, water and the like are present in the starting material and/or the reaction...
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7208643 |
Process for producing fatty alcohol
The invention relates to a process for producing a fatty alcohol, including hydrogenating a fatty acid ester to prepare a crude fatty alcohol product, and distilling and refining the resulting...
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7183443 |
Process for the preparation of enantiomerically enriched compounds
Process for the preparation of enantiomerically enriched amino aldehydes and amino alcohols, wherein a corresponding enantiomerically enriched amino nitrile is subjected to hydrogenation in the...
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7169749 |
Method for producing alkyl-substituted butenols
Alkyl-substituted butenols having the formula (I): R1—CH2—CH═CR2—CH2OH (I) wherein R1 is a saturated or olefinically unsaturated alkyl or cycloalkyl group having from 4 to 16 carbon atoms and whe...
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7169959 |
Unsaturated palm oil fatty alcohols
Unsaturated palm oil fatty alcohols with an iodine number in the range from 65 to 85, which contain substantially unsaturated fatty alcohols and mixtures of saturated fatty alcohols of the formula...
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7138552 |
Method for producing C13-alcohol mixtures
The present invention relates to a process for preparing a C13-alcohol mixture which is suitable, in particular, as precursor for the preparation of compounds having surfactant properties and of...
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7126034 |
Process for preparation of 1,3-propanediol
Disclosed is a process for hydrogenating 3-hydroxypropionic acid, or esters thereof, or mixtures of the acid and the ester, in a liquid phase, in the presence of a ruthenium catalyst, alone, or in...
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7119237 |
Process and catalyst for preparing alcohols
Alcohols prepared by reacting carboxylic acids and/or carboxylic esters with hydrogen in the presence of a special catalyst.
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7098369 |
Process for the production of primary alcohols
A process for producing primary alcohols from secondary alcohols and/or tertiary alcohols and/or ketones, wherein the process comprises reacting a compound selected from a secondary alcohol, a...
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7084312 |
Catalyst and method for hydrogenating carbonyl compounds
A process for the hydrogenation of an organic compound containing at least one carbonyl group comprises bringing the organic compound in the presence of hydrogen into contact with a shaped body...
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7084313 |
Three stage processes for the separation of supercritical or near-critical mixtures
Processes for separating supercritical or near-critical mixtures containing hydrogen, a solvent gas, methanol and a fatty alcohol under an initial pressure of from 100 to 300 bar are described,...
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7049446 |
Process for chemical reaction of amino acids and amides yielding selective conversion products
The invention relates to processes for converting amino acids and amides to desirable conversion products including pyrrolidines, pyrrolidinones, and other N-substituted products. L-glutamic acid...
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6982340 |
Process for producing an ester
There is provided a process wherein a lower alkyl ester of a fatty acid derived from natural fats and oils and a lower alcohol containing 1 to 4 carbon atoms is produced in a lower sulfur content...
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6916457 |
Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications
A non-chrome, copper-containing catalyst, Cu—Al—O and method of preparing the same are provided wherein the Cu—Al—O catalyst is prepared by the co-precipitation of copper nitrate (Cu(NO3)2) and sod...
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6916964 |
Selective hydrogenation of olefinically unsaturated carbonyl compounds
The present invention relates to a continuous process for the selective hydrogenation of olefinically unsaturated carbonyl compounds to give unsaturated alcohols in particular of citral to give a...
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6906228 |
Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts
In a process for preparing alcohols by catalytic hydrogenation of carbonyl compounds over a catalyst comprising rhenium on activated carbon, the catalyst used comprises rhenium (calculated as...
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6878852 |
Process for hydrogenation of carbonyl and iminocarbonyl compounds using ruthenium catalysts comprising tetradentate diimino-diphosphine ligands
A process for the hydrogenation, using molecular hydrogen (H2) of a catalytic system, wherein the catalytic system includes a base and a complex of formula (II): Ru(P2N2)Y2 (II) wherein Y represent...
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6878665 |
Diphosphines, their complexes with transisition metals and their use in asymmetric synthesis
The invention relates to novel diphosphines, in optically pure or racemic form, of formula (I): in which: R1 and R2 are a (C5-C7)cycloalkyl group, an optionally substituted phenyl group or a...
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6855851 |
Process for producing aliphatic C3-C10-alcohols from high boilers
The present invention relates to a process for producing aliphatic C3-C10-alcohols, in particular 2-ethylhexanol, from high boilers by thermal treatment in the presence of an alkali metal compound...
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6841499 |
Supported ferrocene-based catalysts for selective aldehyde hydrogenation
A supported catalyst comprises a cationic rhodium(I) complex of the formula wherein R1 and R2 are the same or different hydrocarbon groups of up to 30 C atoms, or R1 and R2 are linked to form a...
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6828468 |
Preparation of higher α, β-unsaturated alcohols
Higher α,β-unsaturated alcohols are prepared by monoethynylation of a ketone by the NH3/KOH method, if desired hydrogenation of the acetylene alcohol in the presence of hydrogen over a P...
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6790999 |
Process for the production of 3-buten-1-ol
Disclosed is a process for the continuous, semi-continuous or batch production of 3-buten-1-ol from 3,4-epoxy-1-butene wherein 3,4-epoxy-1-butene and formic acid are fed to a reaction zone having a...
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6765119 |
Method of producing saturated C3-C20-alcohols
The invention relates to a process for the preparation of saturated C3-C20-alcohols in which a liquid hydrogenation feed comprising at least one C3-C20-aldehyde is passed over a bed of a...
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