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| Number | Title | Issue Date |
| 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 comprising a secondary hydroxyl group in a vapor phase. ... | 09/09/2008 |
| 7351867 | Catalyst system for aerobic oxidation of primary and secondary alcohols The present invention relates to a process of oxidation of alcohols selectively to aldehydes or ketones with molecular oxygen using a TEMPO based catalyst, Fe-bipyridyl or Fe-phenantroline co-catalyst and N-bromosuccinimide promoter in acetic acid solvent. The oxida... | 04/01/2008 |
| 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 characterized in using an organic N-bromoamide compound or a combination ... | 04/24/2007 |
| 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 is useful as a catalyst for oxidizing alcohols by contacting the alco... | 01/30/2007 |
| 7109379 | Method for producing carbonyl compound An oily solution of water-insoluble aliphatic alcohol is allowed to react with an aqueous hydrogen peroxide solution in the presence of a catalyst containing a metal compound belonging to Group 8 to 10 of the Periodic Table in a heterogeneous solution system. As a r... | 09/19/2006 |
| 7034170 | Manganese(IV) complex salts and their use as oxidation catalysts Manganese(IV) complex salts of formula [LMn(μ-O)3MnL]n[XM12O40]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, with the provisos that (i) ... | 04/25/2006 |
| 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 nitroxyl radical derivative, (ii) a nitrate source, (iii) a bromide sourc... | 04/18/2006 |
| 6960693 | Oxidation reaction process catalyzed by phase-transfer catalyst controlling reaction The present invention relates to an oxidation reaction catalyzed by a reaction controlled phase-transfer catalyst having the general formula of [R1R2R3R4N]xHy[A] or QmMO3(L). The... | 11/01/2005 |
| 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 efficiently carried out without KBr additives under solvent free conditio... | 11/30/2004 |
| 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 |
| 6762328 | Process for production of MIBK using CD technology A process for producing methyl isobutyl ketone includes introducing acetone into a catalytic distillation. Some of the acetone is converted to mesityl oxide (‘MSO’), water and, optionally, diacetone alcohol (‘DAA’) and/or other by-products. A product stream ... | 07/13/2004 |
| 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 the presence of a nitroxyl compound with an aqueous phase comprising a... | 06/15/2004 |
| 6720456 | Process for the preparation of 2,3-pentanedione The present invention relates to a novel process for the preparation of 2,3-pentanedione starting with hydroxyacetone and paraldehyde. ... | 04/13/2004 |
| 6518462 | Process for production of MIBK using CD technology A process for producing methyl isobutyl ketone includes introducing acetone into a catalytic distillation. Some of the acetone is converted to mesityl oxide (`MSO`), water and, optionally, diacetone alcohol (`DAA`) and/or other by-products. A product stre... | 02/11/2003 |
| 6506942 | Process for the preparation of carbonyl compounds by cleavage of hydroxycarboxylic acids The invention relates to a process for the preparation of a carbonyl compound of the general formula (1) R1 R2 C.dbd.O (1), in which a ଲ-hydroxycarboxylic acid or its salt of the general formula (2) R1 R2 C(OH... | 01/14/2003 |
| 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 |
| 6479707 | Process for producing 2-butanone and 2-butanol The present invention provides a process for producing 2-butanone and 2-butanol under comparatively mild conditions with a decreased number of steps by direct oxidization of a hydrocarbon, which is cheaper than butenes, as a raw material using molecular o... | 11/12/2002 |
| 6476274 | Method of producing cyclobutanone The invention relates to a process for preparing cyclobutanone by oxidizing cyclobutanol with an alkali metal hypochlorite or alkaline earth metal hypochlorite in the presence of an acid.... | 11/05/2002 |
| 6255534 | Preparation of carbonyl compounds Carbonyl compounds of the formula ##STR1## where R1 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms, R2 is a hydrogen atom, an unsubstituted or C1 -C3 -alkyl-monosubstituted to -trisubstit... | 07/03/2001 |
| 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 catalyst at elevated temperature in a reaction zone character... | 12/26/2000 |
| 6020533 | Hydrocarbon conversion processes using crystalline manganese phosphate compositions Hydrocarbon conversion processes using a new family of crystalline manganese phosphate compositions is disclosed. These compositions have an extended network; which network can be a one-, two-, or three-dimensional network. The composition has an empirica... | 02/01/2000 |
| 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 |
| 5689008 | Catalytic reaction rate enhancement at low temperatures The present invention relates to sustaining high reaction rates at lower reaction temperatures than conventionally utilized with the particular catalyst. The improved reaction rates are obtained using various techniques and combinations thereof including ... | 11/18/1997 |
| 5136101 | Process for the preparation of ketones A process for the preparation of a ketone which comprises reacting the corresponding secondary alkanol with a solubilized stable free radical nitroxide having the formula: ##STR1## wherein each of R1, R2, R3 and R | 08/04/1992 |
| 5136102 | Process for the preparation of ketones A process for the preparation of a ketone which comprises reacting the corresponding secondary alkanol with a solubilized stable free radical nitroxide having the formula: ##STR1## wherein each of R1, R2, R3 and R | 08/04/1992 |
| 5136103 | Process for the preparation of ketones A process for the preparation of a ketone which comprises reacting the corresponding secondary alkanol with a solubilized stable free radical nitroxide having the formula: ##STR1## wherein each of R1, R2, R3 and R | 08/04/1992 |
| 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: A2+x B2-x O7-y wherein A is a pyrochlore structure metal cation, and... | 09/25/1990 |
| 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 (a) crystalline LnAl1.67+0.67X (B4 O10 | 05/29/1990 |
| 4894478 | Process of producing ketoximes The invention relates to a process of producing ketoximes, characterized in that a secondary alcohol, corresponding to the desired ketoxime, is partially oxidated in the liquid phase with O2, an oxidated mixture being thereby formed, which cont... | 01/16/1990 |
| 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 alcohol:oxygen is below the explosive limits. The process is condu... | 04/11/1989 |
| 4816606 | Continuous preparation of aldehydes and ketones Aldehydes and ketones of the general formula I ##STR1## where R1 is hydrogen or an organic radical of 1 to n carbon atoms and R2 is a non-aromatic organic radical of 1 to m carbon atoms, (m+n) ranging from 2 to 24 and R1 | 03/28/1989 |
| 4691053 | Process for producing organic compounds by utilizing oxygenic complexes A novel process for producing oxygen-containing organic compounds with high selectivity and good yield by oxidizing organic compounds under mild conditions is provided, which process comprises using as a catalyst for the oxidation, a complex (Mm | 09/01/1987 |
| 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 heterogeneous catalyst comprising rhenium compounds and complexes, op... | 12/24/1985 |
| 4457905 | Process for oxidation and ammoxidation A process for the ammoxidation of methanol or formaldehyde to hydrogen cyanide or oxidation of methanol to formaldehyde using a catalyst comprising manganese and phosphorus, preferably as oxides, wherein the manganese to phosphorus atomic ratio is 1:1 to ... | 07/03/1984 |
| 4359587 | Method for preparing carbonyl compounds The method for preparing carbonyl compounds according to the present invention comprises a vapor phase oxidizing dehydrogenation of C1 -C4 alcohols at a temperature ranging from 500° to 700° C. in the presence of a silver catalyst,... | 11/16/1982 |
| 4250121 | Catalytic oxidation of alcohols with molecular oxygen to form carbonyl compounds Carbonyl compounds are manufactured by oxidizing alcohols or polyalcohols with molecular oxygen in the presence of a catalyst which comprises ruthenium salts or complexes associated with copper or iron salts or complexes.... | 02/10/1981 |
| 4235823 | Preparation of diketones Diketones are prepared by oxidizing glycols in the presence of a silver catalyst and/or copper catalyst of a specific particle size, under specific temperature conditions and with a specific composition of the catalyst. The end products are starting mater... | 11/25/1980 |
| 4233246 | Manufacture of aliphatic hydroxycarbonyl compounds etherified with aliphatic groups Aliphatic hydroxycarbonyl compounds etherified with aliphatic groups are prepared by oxidizing hydroxyalcohols in the presence of a metal catalyst which consists of one or more layers, each of a particular weight and each containing particles of a particu... | 11/11/1980 |
| 4218401 | Oxydehydrogenation of alcohols Primary and secondary alcohols are oxidized to aldehydes and ketones, respectively, by passing a gaseous mixture of the alcohol and oxygen (air) over a supported catalyst of Ru, Rh, Pd, Pt, Ir or Os. The catalyst is improved by admixture with a tin compou... | 08/19/1980 |
| 4181683 | 1,7-Octadien-3-one and process for preparing the same 1,7-Octadien-3-one of the formula: ##STR1## and a process for preparing the same by oxidizing 1,7-octadien-3-ol.... | 01/01/1980 |
