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7608743 Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products  
An efficient and environmentally beneficial method of recycling and producing methanol from varied sources of carbon dioxide including flue gases of fossil fuel burning powerplants, industrial...
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...
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...
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,...
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...
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...
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...
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...
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...
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-,...
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 CO 2 , water and the like are present in the starting material and/or the...
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...
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...
7169749 Method for producing alkyl-substituted butenols  
Alkyl-substituted butenols having the formula (I): R 1 —CH 2 —CH═CR 2 —CH 2 OH (I)
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...
7138552 Method for producing C13-alcohol mixtures  
The present invention relates to a process for preparing a C 13 -alcohol mixture which is suitable, in particular, as precursor for the preparation of compounds having surfactant properties and of...
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...
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.
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...
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...
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,...
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...
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...
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...
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(NO 3 )...
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...
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: R 1 and R 2 are a (C 5 -C 7 )cycloalkyl group, an optionally substituted...
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 (H 2 ) of a catalytic system, wherein the catalytic system includes a base and a complex of formula (II):
6855851 Process for producing aliphatic C3-C10-alcohols from high boilers  
The present invention relates to a process for producing aliphatic C 3 -C 10 -alcohols, in particular 2-ethylhexanol, from high boilers by thermal treatment in the presence of an alkali metal...
6841499 Supported ferrocene-based catalysts for selective aldehyde hydrogenation  
A supported catalyst comprises a cationic rhodium(I) complex of the formula wherein R 1 and R 2 are the same or different hydrocarbon groups of up to 30 C atoms, or R 1 and R 2 are linked...
6828468 Preparation of higher α, β-unsaturated alcohols  
Higher α,β-unsaturated alcohols are prepared by monoethynylation of a ketone by the NH 3 /KOH method, if desired hydrogenation of the acetylene alcohol in the presence of hydrogen over a...
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...
6765119 Method of producing saturated C3-C20-alcohols  
The invention relates to a process for the preparation of saturated C 3 -C 20 -alcohols in which a liquid hydrogenation feed comprising at least one C 3 -C 20 -aldehyde is passed over a bed of a...
6759561 Preparation of tetrahydrogeraniol  
The present invention relates to a process for the preparation of tetrahydrogeraniol, wherein the product mixtures and distillation residues from linalool, citronellal, citronellol or...
6720439 Synthesis of ruthenium-hydride complexes and preparation procedures of chiral alcohols and ketones  
trans-RuH(η 1 -BH 4 )[(S)-xylbinap][(S,S)-dpen] (0.00125 mmol), acetophenone (5.0 mmol), and 2-propanol (2.5 mL) were placed in an autoclave, and the resulting solution was repeatedly subject 5...
6683225 Oxidic aluminum/zinc catalysts and a process of producing unsaturated fatty alcohols  
Oxidic catalysts containing 20 to 25% by weight of aluminum and 40 to 50% by weight of zinc which are suitable for the production of unsaturated fatty alcohols containing 8 to 22 carbon atoms by...
6617064 Stabilized aluminum hydride polymorphs  
The present invention features methods for preparing stabilized α-AlH 3 and α′-AlH 3 , compositions containing these alane polymorphs, e.g., energetic compositions such as rocket propellants,...
6586636 Aldol condensation  
Production of unsaturated aldehydes by the aldol condensation of straight chain aldehydes, e.g. butyraldehyde, by contacting the aldehyde in the vapour phase with a particulate catalyst comprising...
6555715 Conversion of light paraffins to oxygenates or olefins using an imide promoter  
A process has been developed for oxygenating linear C 2 to C 6 alkanes to ketones or aldehydes. The process involves reacting the alkanes with oxygen in the presence of a catalyst comprising an...
6555716 Process for the hydroformylation of olefins  
Aldehydes are prepared in a hydroformylation apparatus by the multiphase hydroformylation reaction of one or more olefins with hydrogen and carbon monoxide, where the continuous phase contains a...
6548717 Process for making branched, substantially unsaturated fatty alcohols  
A process for making branched, substantially unsaturated fatty alcohols involving: (a) providing a C 16-22 fatty acid; (b) dimerizing the C 16-22 fatty acid to form a monomer fraction containing...
6534436 Method for the production of cobalt catalysts supported on silicon dioxide and their use  
The invention relates to catalysts comprising cobalt supported on a solid silica support and, in particular, to a method for manufacturing such catalysts. The catalysts may be prepared by slurrying...
6495730 Catalysts for hydrogenation of carboxylic acid  
Disclosed is a catalyst for hydrogenating a carboxylic acid, comprising an activated carbon having carried thereon an active metal species comprising ruthenium and tin, wherein the activated carbon...
6489521 Fixed bed catalysts  
In the overall methods of hydrogenating esters and maleic anhydride, which methods comprise a hydration reaction, comprising conducting the hydration reaction in the presence of the shaped Raney...
6486366 Method for producing alcohols by hydrogenation of carbonyl compounds  
A method for preparation of alcohols by catalytic hydrogenation of carbonyl compounds with hydrogen or hydrogen-containing gases in the presence of a hydrogenation catalyst of Raney type, where the...
6455023 Metallic catalysts for non-neutral liquid media  
Carbon monolith-supported catalysts with high leach resistance used in catalytic applications involving strong acidic and basic conditions in a pH range of from 0 to 6.5 and from 7.5 to 14, are...
6448457 Method for hydrogenating carbonyl compounds  
A process for the catalytic hydrogenation of a carbonyl compound or of a mixture of two or more carbonyl compounds in the presence of a catalyst which comprises an inorganic support containing TiO...
6403836 Process for the hydroformylation of olefins by reducing the formic acid concentration  
The present invention is a process for preparing C 4-25 aldehydes by hydroformylating the corresponding C 3-24 olefins in the presence of a cobalt hydroformylation catalyst, and catalytically...
6376414 Method for producing catalysts containing ruthenium and the use thereof for hydrogenation  
The invention relates to catalysts containing ruthenium and at least one other metal having an atomic number in the range of from 23 to 82 prepared by (a) mixing a suspension of a ruthenium...
6365790 Preparation of C10-C30-alkenes by partial hydrogenation of alkynes over fixed-bed supported palladium catalysts  
Alkenes are prepared by partial hydrogenation of alkynes in the liquid phase at from 20 to 250° C. and hydrogen partial pressures of from 0.3 to 200 bar over fixed-bed supported palladium...
Matches 1 - 50 out of 219 1 2 3 4 5 >