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7491852 Process for preparing aldehyde or ketone by oxidation of alcohol with a catalyst having a core-porous shell structure  
The present invention discloses a novel use of a catalyst with core-porous shell structure, which includes carrying out an oxidation of an alcohol in vapor phase and in the presence of the catalyst...
7423184 Method of making carbonyl compounds  
A method of making a carbonyl compound comprises contacting a compound comprising a secondary hydroxyl group with a basic metal oxide catalyst at a temperature sufficient to maintain the compound...
7235701 Process for producing aldehyde  
The invention provides a film-type dehydrogenation reaction catalyst for aldehyde production, which is used in producing an aldehyde from an alcohol as a starting material, as well as a process for...
7208634 Oxidation method of primary or secondary alcohol  
A method for preparing an aldehyde or ketone by oxidizing a primary or secondary alcohol in the presence of a nitroxyl radical compound and a co-oxidant in an organic solvent, which process is...
7169954 Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol  
A ruthenium-carrying alumina, which is prepared by suspending alumina in a solution containing trivalent ruthenium and adding a base to the suspension, is provided. This ruthenium-carrying alumina...
7118920 Multiphasic microchannel reactions  
Multiphasic reactions, especially those reactions using a phase transfer catalyst, are conducted in microchannel apparatus. Advantageously, these reactions can be conducted with two, planar...
7034170 Manganese(IV) complex salts and their use as oxidation catalysts  
Manganese(IV) complex salts of formula [LMn(μ-O) 3 MnL] n [XM 12 O 40 ] m , (I), wherein L is 1,4,7-trimethyl-1,4,7-triazacyclononane, X is P or Si, M is Mo or W, n is 2 or 3, and m is 1 or 2,...
7030279 Process for transition metal free catalytic aerobic oxidation of alcohols under mild conditions using stable free nitroxyl radicals  
An alcohol can be oxidized by a process in which a primary or secondary alcohol are reacted with an oxygen-containing gas in the presence of a catalyst composition containing (i) a stable free...
7000382 Partial oxidation of alcohols  
A method of partially oxidizing an alcohol to an aldehyde or ketone comprises contacting a gas containing the alcohol with a solid catalyst containing molybdenum, preferably in a +6 oxidation...
6995291 Process for the oxidation of unsaturated alcohols  
The present invention relates to the field of organic synthesis and more precisely to a process for the synthesis of an unsaturated aldehyde or ketone by oxidation of the corresponding alcohol. The...
6897342 Method for producing aldehydes  
A process for making aldehydes involving: (a) providing a fatty alcohol; (b) providing an oxidic copper/zinc catalyst; and (c) continuously dehydrogenating the fatty alcohol, in the presence of the...
6878847 Catalyst for preparation of unsaturated aldehyde and unsaturated carboxylic acid  
A catalyst useful for catalytic vapor-phase oxidation of isobutylene, t-butanol or propylene to produce respectively corresponding unsaturated aldehyde and unsaturated carboxylic acid is provided....
6825384 Bromine free TEMPO based catalyst system for oxidation of primary and secondary alcohols using NaOCl as an oxidant  
The present invention relates to a process of oxidation of alcohols selectively to aldehydes or ketones with NaOCl using a TEMPO—borate catalyst system. It is shown that the oxidation can be...
6768013 Intrinsically safe oxidation process  
A novel process for the direct oxidation of hydrogen and hydrocarbons is disclosed, where the explosion risks inherent in gas phase oxidations are substantially eliminated. Gaseous oxidation...
6750371 Process for the oxidation of alcohols to aldehydes and ketones in the presence of nitroxyl compounds as catalysts  
An alcohol is oxidized to an aldehyde or a ketone in the presence of a nitroxyl compound as catalyst, wherein the alcohol to be oxidized is contained in an organic liquid phase, and is reacted in...
6624332 In situ formation of metal-molybdate catalysts for methanol oxidation to formaldehyde  
The method of the present invention involves the in situ formation of metal-molybdate catalyst particles active for methanol oxidation to formaldehyde, with iron as an example, the catalyst is made...
6531635 Precursors of 3-alkoxyalkanols and processes for the preparation of 3-alkoxyalkanols  
Processes for the preparation of 3-alkoxyalkanols useful as solvents for coating materials, photoresists, or the like. Specifically, (1) a process which comprises reacting an α,β-unsaturated...
6512144 Oxidation of hydrocarbons using crystalline manganese (II/III) phosphate compositions  
Processes for oxidizing hydrocarbons using a new family of crystalline manganese phosphate compositions have been developed. These compositions have an extended network which network can be a one-,...
6486357 Catalytic oxidation of alcohols using manganese oxides  
A method of oxidizing an organic alcohol, wherein the organic alcohol is contacted with a stoichiometric excess of oxygen in the presence of an effective catalytic amount of a maganese-containing...
6476260 Method of producing aldehydes and carboxylic acids by oxidizing primary alcohols  
The invention relates to a method for oxidizing primary alcohols in order to obtain aldehydes and/or carboxylic acids. The reaction takes place in the presence of a catalyst supported on aluminium...
6399818 Process for producing unsaturated aldehydes and unsaturated carboxylic acids  
As an improvement in the process for preparing unsaturated aldehydes and unsaturated carboxylic acids through vapor-phase catalytic oxidation of at least one starting compound selected from...
6350916 Selective oxidation of alcohols to aldehydes or ketones  
Alcohols are oxidized to their corresponding ketone or aldehyde using an aryl chloride oxidant and a metal-ligand complex or metal/ligand composition. This reaction is particularly applicable to...
6350918 Alcohol conversion  
Preparing an aldehyde from an alcohol by contacting the alcohol in the presence of oxygen with a catalyst prepared by contacting an intimate mixture containing metal oxide support particles and...
6313343 Process for the preparation of alpha-oxoaldehydes  
Alkylene glycol is oxidized in a vapor phase in the presence of alcohol (a), oxygen, and a catalyst (a) (primary reaction). α-oxoaldehyde, and alcohol (b) or olefin, are oxidized in a vapor phase...
6255534 Preparation of carbonyl compounds  
Carbonyl compounds of the formula ##STR1## where R 1 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms, R 2 is a hydrogen atom, an unsubstituted or C 1 -C 3 ...
6169214 Catalyst consisting of a hollow cylindrical carrier having a catalytically active oxide material applied to the outer surface of the carrier, and process for using said catalyst  
A coated catalyst which consists of a hollow cylindrical carrier and a catalytically active oxide material applied to the outer surface of the carrier, the applied catalytically active oxide...
6166264 Oxidation catalyst system and method of oxidation with the same  
The oxidation catalyst system of the invention is composed of (A) a ruthenium compound and (B) a dioxybenzene or its oxidant. The ruthenium compound (A) includes...
6165352 Process for dehydrogenating hydrocarbons and oxygenated hydrocarbons  
A continuous process for the dehydrogenation of a hydrocarbon and/or oxygenated hydrocarbon feed, comprising contacting the hydrocarbon and/or oxygenated hydrocarbon feed with a dehydrogenation...
6156931 Crystalline manganese (II/III) phosphate compositions  
A new family of crystalline manganese phosphate compositions has been prepared. These compositions have an extended network which network can be a one-, two-, or three-dimensional network. The...
6133482 Method for producing carbonyl compounds  
In a process for preparing carbonyl compounds of the formula ##STR1## where R 1 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms, R 2 is a hydrogen atom or a radical of the...
6013843 Continuous industrial production of unsaturated aliphatic aldehydes in a tube bundle reactor  
A process for continuous industrial production of unsaturated aliphatic aldehydes having a boiling range from 95 to 136° C. by oxidative dehydrogenation of the corresponding alcohols with an...
5990358 Process for the preparation of formaldehyde  
A process for preparing formaldehyde by oxidative dehydrogenation of methanol comprises passing a gas mixture (i) comprising a) from 0.1 to 50% by volume of methanol, b) from 0.1 to 30% by...
5912388 Preparation of aldehydes or ketones from alcohols  
A process for preparing an aldehyde or ketone comprising reacting a primary or secondary alcohol with oxygen in the presence of a base, a catalytic amount of a copper salt and a suitable lignad...
5808143 Catalyst based on oxides of Fe, Co, Bi and Mo  
Catalysts of the formula I A a B b O x ! p C c D d Fe e Co f E i F j O y ! q I, where A is bismuth, tellurium, antimony, tin and/or copper, B...
5336779 Method of producing formylimidazoles  
In producing formylimidazoles by catalytically oxidizing the corresponding 4- or 5-hydroxymethylimidazoles, the catalytic oxidation is carried out in the presence of a noble metal catalyst while...
5274187 Process for producing compound having carbonyl and/or carboxyl group  
A compound having a carbonyl group and/or a carboxyl group is produced by catalytically oxidizing a polyhydric alcohol having at least one primary hydroxyl group and at least one secondary hydroxyl...
5252758 Process for oxidizing organic compounds  
Process for oxidizing organic compounds with hydrogen peroxide in the presence of titanium-silicalite and of a water-alcohol solvent which, after the preliminary separation of the oxidation product...
5245083 Method for preparing methacrolein and method for preparing a catalyst for use in the preparation of methacrolein  
A catalyst is herein disclosed, which comprises a mixture of a composition (1) represented by the following general formula (1): (Mo) a (Bi) b (Fe) c (X) d (Z) f (O) g (1) (wherein X...
5241122 Catalysts comprising group IB metals  
Catalysts, catalyst precursors, and catalytic systems are provided. The catalysts generally comprise a substrate that includes a group IB metal and a porous, microcrystalline layer that includes...
5196609 Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals  
The preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals of the general formulae Ia and Ib respectively: ##STR1## (R 1 =C 1 -C 3 -alkyl group; R 2 and R 3 =hydrogen,...
5196608 Use of an allylchloride for preparing an aldehyde  
The present invention relates to the use of an allylchloride of the general formula ##STR1## wherein R is a C 1 -C 12 alkyl group or a C 2 -C 12 alkenyl group, which groups may be substituted...
5155280 Process for the oxidation of alcohols to aldehydes  
A process for the preparation of an aldehyde which comprises reacting the corresponding alkanol with a solubilized stable free radical nitroxide having the formula: ##STR1## wherein each of R 1 , R...
5149884 Tube bundle reactor, use thereof in exothermic organic reactions, and preparation of ketones and aldehydes using same  
In a tube bundle reactor for carrying out catalytic organic reactions in the gas phase, comprising reaction tubes (A) arranged between tubesheets (B), the reaction tubes have an inside diameter...
5144090 Method for preparing acrolein or methacrolein  
A method for preparing acrolein or methacrolein comprises subjecting propylene, secondary propanol, isobutylene or tertiary butanol to gas phase catalytic oxidation with molecular oxygen in the...
5026922 Process for preparing glycol aldehyde  
There is disclosed a process for preparing glycol aldehyde from ethylene glycol by use of a complex system catalyst comprising copper and other inorganic component, which comprises permitting 0.001...
4996007 Process for the oxidation of alcohols to aldehydes/acids/esters  
The instant invention relates to a process for the oxidation of primary alcohols to aldehydes, acids and esters, particularly to aldehydes. In this process and alcohol and oxygen are contacted and...
4987252 Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid  
In order to recover methacrolein and/or methacrylic acid by quenching a reaction product gas obtained by catalytic oxidation of isobutylene or the like, the reaction product gas is charged into a...
4978803 Vapor phase oxidation process for making glyoxal  
In the process for making glyoxal by catalytic oxidation of ethylene glycol in contact with catalyst comprising copper, glyoxal yield is improved and catalyst life is improved by the presence of a...
4959494 Oxidation of organic compounds with pyrochlore catalysts  
A method for oxidizing organic compounds by contacting organic compounds with molecular oxygen in the presence of a noble metal pyrochlore having the formula: A 2 +x B 2 -x O 7 -y wherein A is a...
4929763 Alcohol conversion  
Conversion of alcohol to organic compounds which comprises contacting the alcohol with a heterogeneous catalyst composition comprising at least one member selected from the group consisting of ...
Matches 1 - 50 out of 137 1 2 3 >