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| Number | Title | Issue Date |
| 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. Cycloalkanol and/or cycloalkanone are produced by oxidizing cy... | 11/10/2009 |
| 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 to a catalytic treatment with an organosilicon compound. The metal is ... | 06/02/2009 |
| 7365217 | Oxidation process A process is disclosed for reacting an olefin, hydrogen, and oxygen in a reactor in the presence of an epoxidation catalyst comprising a transition metal zeolite and a noble metal to produce a product stream comprising an epoxide and an alkane. The alkane is separat... | 04/29/2008 |
| 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 of conversion. In the present invention, cycloalkane is oxidiz... | 04/15/2008 |
| 7326806 | Catalyst for the preparation of carboxylic esters and method for producing carboxylic esters It is an object of the present invention to provide a catalyst for manufacturing a carboxylic ester, which has superior catalytic activity. The present invention relates to a catalyst for preparing a carboxylic ester, used in a) a reaction for preparing a carboxylic... | 02/05/2008 |
| 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 R1, R2, R3 and R4 are the... | 12/04/2007 |
| 7282611 | Process for the preparations of a mixture of alcohols and ketones The present invention provides a process for the preparation of a mixture of alcohols and ketones by the liquid phase oxidation of isoalkanes to alkyl hydroperoxides with simultaneous transfer of oxygen to alkanes (C8-C20) in presence of oxides... | 10/16/2007 |
| 7253141 | Musk odorant compounds The present invention discloses keto derivatives of 5,5,6,7,8,8-hexamethyl-hexahydronaphthalene or keto-epoxy derivatives of 5,5,6,7,8,8-hexamethyl-octahydronaphthalene which are useful perfuming ingredients having a musky-earthy character. ... | 08/07/2007 |
| 7238817 | Direct epoxidation process A process is disclosed for reacting an olefin, hydrogen, and oxygen in a reactor in the presence of a catalyst comprising a transition metal zeolite and a noble metal to produce a reaction mixture comprising an epoxide and acidic byproducts. A portion of the reactio... | 07/03/2007 |
| 7235699 | Alkoxy-substituted indanes and the production thereof The present invention relates to alkoxy-substituted indanes, their preparation and use and to the preparation and use of the corresponding alkoxy-substituted indanones. ... | 06/26/2007 |
| 7122491 | Method of increasing the lifetime of a hydro-oxidation catalyst A method of increasing the lifetime of a hydro-oxidation catalyst comprising, preferably, gold, silver, or mixtures thereof, and optionally one or more promoters, on a titanium-containing support, such as a titanosilicate or titanium dispersed on silica. The method ... | 10/17/2006 |
| 7119225 | Gold catalyst for selective oxidation A supported gold catalyst is used for selective oxidation. In particular, an alcohol or ketone is oxidized to produce the corresponding carboxylic acid, an alcohol is oxidized to produce the corresponding ketone, and xylene is oxidized to produce the corresponding m... | 10/10/2006 |
| 7084307 | Process for oxidation of alkanes A palladium complex catalyzed process for the oxidation of linear alkanes is proposed which employs molecular oxygen as the oxidant to produce secondary alcohols and ketones in high selectivity, the said catalyst is a single entity and does not requires the use of a... | 08/01/2006 |
| 7081552 | Catalysts for cycloalkanes oxidation and decomposition of cycloalkyl hydroperoxide A cyclic ketone/alcohol mixture is prepared by catalytic oxidation of the corresponding cycloalkane or catalytic decomposition of the corresponding cycloalkyl hydroperoxide. Gold supported on a porous crystalline silicate containing less than about 2 wt. % aluminum ... | 07/25/2006 |
| 7018948 | Activation and regeneration of a hydro-oxidation catalyst A process of activating a fresh catalyst or regenerating a deactivated catalyst which is used in a hydro-oxidation process, preferably, the hydro-oxidation of an olefin in the presence of oxygen and hydrogen to an olefin oxide. The hydro-oxidation catalyst preferabl... | 03/28/2006 |
| 6995113 | Catalysts which are based on organic-inorganic hybrid materials containing noble metals and titanium and which are used for selectively oxidizing hydrocarbons The present invention relates to noble metal-containing catalysts which are composed of at least one organic/inorganic hybrid material which is composed of at least one titanium component and at least one Si—H group. The catalysts of the present invention have inc... | 02/07/2006 |
| 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 and a ruthenium compound. ... | 08/09/2005 |
| 6911413 | Nano-gold catalyst and process for preparing the same The present invention discloses a nano-gold catalyst including a solid carrier and gold deposited on the carrier, wherein the deposited gold has a size less than 10 nm, and the carrier is a mixed metal hydroxide and oxide having the following formula: M(OH... | 06/28/2005 |
| 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 and a promoter containing an element selected from group 4 to group ... | 04/19/2005 |
| 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 (R)-stereochemistry, the substituents in compound (II) being trans. Conju... | 03/29/2005 |
| 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 water. ... | 09/14/2004 |
| 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 solution comprising at least one copper salt and at least one organic water ... | 04/06/2004 |
| 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 octahedral molecular sieve or octahedral layer. Primary alc... | 11/26/2002 |
| 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 cyclohexanol to cyclohexanone under cyclohexanol dehydrogenation c... | 04/23/2002 |
| 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 (ଲ-isophorone, ଲ-IP) with molecular oxygen in the presence of a solvent,... | 10/09/2001 |
| 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 oxidizing a cycloalkane by contacting it with a source of ox... | 12/12/2000 |
| 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 oxide, and a process for preparing an oxygen-containing o... | 09/26/2000 |
| 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 with the liquid cyclohexane in a reaction zone, liquid cyc... | 06/13/2000 |
| 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 specifically designed to maximize catalytic activity, thereby ... | 12/14/1999 |
| 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 conversion at a high selectivity, comprises at least one inorganic ... | 11/02/1999 |
| 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 under anhydrous conditions.... | 06/15/1999 |
| 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 product isophorone will have an APHA color of about 10 or l... | 03/02/1999 |
| 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 atoms of the phthalocyanine or porphyrin have been replace... | 06/16/1998 |
| 5756852 | Co-oxidation of H2 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 H2 S to form elemental sulfur and the ketone.... | 05/26/1998 |
| 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 ME and used for this purpose are characterized by a conte... | 01/20/1998 |
| 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, the saturated or unsaturated hydrocarbon and oxygen throu... | 04/22/1997 |
| 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 vanadium. It also provides processes for oxidation of olef... | 09/17/1996 |
| 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 (1)-(2). The alcohols and ketones obtained by the oxidation o... | 06/20/1995 |
| 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 palladium compound or metallic palladium, a polyoxoanion compoun... | 05/09/1995 |
| 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 iridium-heteropolyanion species. The process uses the catalyst in con... | 10/05/1993 |