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7615667 |
Process for producing cycloalkanol and/or cycloalkanone
An object of the present invention is to provide a process capable of producing cycloalkanol and/or cycloalkanone with a favorable selectivity by oxidizing cycloalkane with a favorable conversion. ...
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7541500 |
Method for producing cycloalkanol and/or cycloalkanone
In case of oxidizing cycloalkane with oxygen, the catalyst to be used is a catalyst obtained by supporting metals of Groups 5 to 10 of the Periodic Table on a carrier, the carrier being subjected...
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7358401 |
Method for manufacturing cycloalkanol and/or cycloalkanone
The object of the present invention is to provide a method for manufacturing cycloalkanol and/or cycloalkanone with favorable selectivity coefficient by oxidizing cycloalkane with favorable degree...
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7304185 |
Process for production of carbonyl compounds
There is provided a process for the production of carbonyl compounds, characterized by reacting a diol represented by the formula (1);
wherein R 1 , R 2 , R 3 and R 4 are the same or...
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6927311 |
Method for oxidizing cycloalkane compound
A method for producing an oxygenated compound from a cycloalkane compound which method is characterized in that a cycloalkane compound is contacted with oxygen in the presence of a cobalt compound...
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6881870 |
Process for producing adamantanol and adamantanone
There is provided a process for producing adamantanol and adamantanone which comprises reacting adamantane and oxygen in the presence of an oxidation catalyst constituted of a rare earth metal salt...
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6872856 |
Cyclic ketones, their preparation and their use in the synthesis of amino acids
A method is provided for making an enantiomerically pure compound of the formula: in which R and R′ represent C1?C10 alkyl, C2?C10 alkenyl or C3?C10 cycloalkyl and the wedges signify (S)- or...
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6790997 |
Preparation of carbonyl compounds from alcohols
The invention relates to a process for the preparation of carbonyl compounds by the oxidation of alcohols in the presence of osmium compounds as catalysts in water or a solvent mixture containing...
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6716789 |
Method for producing oxidic catalysts containing copper with oxidation number>0
The disclosure is directed to a process for preparing an oxidic catalyst comprising copper in an oxidation state >0, which comprises treating a solid oxidic support material with an aqueous...
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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...
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6376422 |
Dehydrogenation catalysts and methods
Catalyst mixtures are comprised of zinc oxide, calcium carbonate or calcium oxide, and an amount of chromium (III) oxide in an amount sufficient to improve conversion and/or selectivity of...
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6300521 |
Process for preparing oxoisophorone
The present invention relates to a process for preparing 3,5, 5-trimethylcyclohex -2-ene-1,4-dione (oxoisophorone; OIP) by oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (β-isophorone, β-IP)...
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6160183 |
Direct oxidation of cycloalkanes
A catalytic process is disclosed for oxidizing cycloalkanes directly to form, in a single step, a mixture containing the corresponding alcohol and ketone. In particular, the invention relates to...
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6124505 |
Process for the partial oxidation of hydrocarbon and process for preparation of oxygen-containing organic compound
The invention provides a catalyst for partial oxidation of hydrocarbon in the presence of a reducing compound, the catalyst comprising ultra-fine gold particles immobilized on a titanium-containing...
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6075169 |
Process for preparing oxidation products from cyclohexane in counterflow
In a process for preparing oxidation products of cyclohexane by catalytic oxidation with oxygen-containing gases in the liquid phase, where the gases are brought into contact essentially uniformly...
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6002026 |
Catalytic oxygenation of hydrocarbons by metalloporphyrin and metallosalen complexes
The present invention relates to novel oxidative processes for substrates such as olefins, alkanes, aromatics and alcohols using metallic porphyrin or salen catalytic complexes which have been...
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5977416 |
Dehydration catalyst and process for producing a monoalkylether of a dihydric phenolic compound using same
A dehydration catalyst useful for producing a monoalkylether of dihydric phenolic compound by a dehydration reaction of a dihydric phenolic compound with a lower alkyl alcohol with a high...
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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...
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5877354 |
Process for making isophorone with improved color and color stability
The present invention is a process for the production of isophorone having improved color and color stability. Crude isophorone is selectively hydrogenated to remove color forming impurities. The...
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5767320 |
Process for the oxidation of cyclohexane to a mixture of cyclohexanone and cyclohexanol
Cyclohexane is oxidized to a mixture of cyclohexanone and cyclohexanol by reaction with oxygen in the presence of a metal complex of phthalocyanine or porphyrin wherein some or all of the hydrogen...
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5756852 |
Co-oxidation of H.sub.2 S and saturated hydrocarbons
Process for the catalytic oxidation of a saturated hydrocarbon to obtain a ketone which involves carrying out the oxidation simultaneously with the oxidation of H 2 S to form elemental sulfur and...
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5710342 |
Process for preparing carbonyl compounds by catalysed oxidation of olefins and catalysts present microemulsions
Carbonyl compounds can be prepared by catalytic oxidation of olefins with oxygen or oxygen-containing gases in a microemulsion (ME) as reaction medium and catalyst support. The catalysts present in...
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5623090 |
Method for production of alcohol, ketone, and epoxide by oxidation of hydrocarbon
An alcohol or a ketone or a mixture thereof is produced from a saturated hydrocarbon or an epoxide is produced from an unsaturated hydrocarbon by passing a mixture comprising of molecular hydrogen,...
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5557014 |
Catalytic system for olefin oxidation to carbonyl products
The present invention provides aqueous catalyst solutions useful for oxidation of olefins to carbonyl products, comprising a palladium catalyst and a polyoxoacid or polyoxoanion oxidant comprising...
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5426237 |
Process for producing alcohols and ketones
The present invention provides a process for the oxidation of straight-chain, branched-chain or cyclic alkanes of 1-20 carbon atoms and benzene derivatives represented by the following formulas...
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5414137 |
Process for preparing carbonyl compounds
An improved process for preparing carbonyl compounds by oxidizing olefins is disclosed. The process comprises oxidizing an olefin with oxygen or an oxygen containing gas in the presence of a...
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5250739 |
Process for catalytically oxidizing cycloolefins, particularly cyclohexene
This invention is a process for catalytically oxidizing cycloolefins, particularly cyclohexenes, to form a variety of oxygenates. The catalyst used in the process is a covalently bonded...
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5237103 |
Procsss for preparing carbonyl compounds
The process for preparing the carbonyl compound involves oxidizing the olefins in the presence of the catalyst composed of the palladium compound and the polyoxoanion compound in a mixture of water...
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5149880 |
Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds
Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxgen are disclosed. Processes whereby activated hydrogen peroxide or...
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5126490 |
Process for the catalytic oxidation of olefins to carbonyl compounds
A process is disclosed for the catalytic oxydation of olefins to carbonyl compounds with molecular oxygen at elevated temperatures in the presence of rhodium oxide on a support. The process is...
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5118862 |
Process for producing αβ-unsaturated carbonyl compound
Disclosed is a process for producing an α,β-unsaturated carbonyl compound represented by the formula [II]: ##STR1## wherein R 1 , R 2 , R 3 and R 4 each represents a hydrogen atom or a...
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5068464 |
Process for the oxidation of hydrocarbons utilizing partitioning of oxidizing gas
A continuous process for the partial oxidation of hydrocarbons is disclosed wherein the oxidizing gas is partitioned into the hydrocarbon by means of countercurrent flow of an aqueous solution of...
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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...
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4943644 |
Olefin and alkane oxidations, ruthenium carboxylate catalyst therefor and method of preparation thereof
A method of oxidizing olefins or alkanes by contacting with oxygen and a catalyst composition of the formula: Ru 3 O[OCO(CF 2 ) y CF 3 ] 6 L Wherein: Ru are reuthenium atoms having a formal...
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4927974 |
Process for the preparation of cyclohexanol and/or cyclohexanone
The invention relates to a process for preparing cyclohexanol and/or cyclohexanone, in which cyclohexene in a feed stream containing cyclohexene, cyclohexane and benzene is hydrated into...
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4918239 |
Method of producing cyclohexanone from cyclohexanol through oxidative dehydrogenation
This invention provides a method for producing cyclohexanone from cyclohexanol using oxidative dehydrogenation. More particularly, this invention comprises adding a certain amount of a gaseous...
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4877903 |
Cyclohexanol/cyclohexanone mixtures produced from cyclohexane
Mixtures containing cyclohexanol and cyclohexanone are produced by oxidizing cyclohexane with air, and then decomposing the cyclohexyl hydroperoxide in such reaction mixture, in the presence of the...
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4847421 |
Palladium-nitrile ligand catalyst system and oxidation processes
A substantially chloride-free palladium oxidation system, comprising a palladium component, a copper component, and a ligand is described. The Wacker system, consisting of palladium and copper...
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4820875 |
Synthesis of carbonyl compounds
In a process for vapour-phase synthesis of carbonyl compounds from alcohols a mixture of the alcohol and air or oxygen is passed over a silver catalyst. The concentration of alcohol:air or...
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4816606 |
Continuous preparation of aldehydes and ketones
Aldehydes and ketones of the general formula I ##STR1## where R 1 is hydrogen or an organic radical of 1 to n carbon atoms and R 2 is a non-aromatic organic radical of 1 to m carbon atoms, (m+n)...
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4806692 |
Process for producing an oxygen-containing organic compound from olefins
A process for producing an oxygen-containing organic compound by oxidizing olefins under milder conditions is provided, which process comprises oxidizing an olefin activated by its complex...
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4675450 |
Production of cyclohexyl hydroperoxide
Production of cyclohexyl hydroperoxide during the cobalt catalyzed oxidation of cyclohexane is enhanced by conducting the oxidation in the presence of a phosphate ester.
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4659829 |
Metal peroxide complexes, their manufacture and use for oxidizing hydrocarbons to alcohols and/or ketones
The invention concerns peroxide complexes of metals complying with the general formula LnMXpY, wherein M is a metal selected from groups VIII, IB and VIIB, particularly cobalt, X is an anionic...
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4658056 |
Catalytic oxidation of liquid cycloparaffins
A process for the catalytic oxidation of liquid cycloparaffins to oxidation products thereof is disclosed. In the process, partial oxidation products are formed by oxidizing the cycloparaffin with...
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4568770 |
Process for the conversion of a terminal carbon-carbon double bond of an olefinic hydrocarbon to carbonyl groups
Terminal carbon-carbon double bonds of olefinic hydrocarbons are converted to carbonyl groups by reacting the olefin with oxygen in the presence of (a) a catalyst comprising (i) one or more of the...
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4568769 |
Method for producing a mixture containing cycloalkanones and cycloalkanols
Disclosed in a method for producing a mixture containing cycloalkanone and/or cycloalkanol which comprises oxidizing a cycloalkane with molecular oxygen to a cycloalkyl hydroperoxide represented by...
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4560803 |
Catalysts and process for oxidation of olefins to ketones
An improved process is provided for forming ketones from the corresponding olefins by vapor phase oxidation of the olefin in the presence of molecular oxygen and water vapor employing a...
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4560804 |
Catalytic process for the manufacture of ketones
An improved process is provided for forming ketones from the corresponding olefins by vapor phase oxidation of the olefin in the presence of water vapor, and optionally in the additional presence...
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4551555 |
Process for the production of carbonyl compounds
In the process for producing a carbonyl compound by contacting olefin and oxygen or oxygen-containing gas with a catalyst in the presence of water, a catalyst comprising a carrier and (a) rhodium,...
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4532362 |
Olefin oxidation catalyst
The use of fluorocarbons during the multiphase oxidation of olefins to ketones with Wacker-type catalysts improves reaction efficiency.
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