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| Number | Title | Issue Date |
| 7592493 | High shear process for cyclohexanol production Use of a high shear mechanical device incorporated into a process for the production of cyclohexanol is capable of decreasing mass transfer limitations, thereby enhancing the cyclohexanol production process. A system for the production of cyclohexanol from air oxida... | 09/22/2009 |
| 7432402 | Partial oxidation using molecular sieve SSZ-74 The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl N-pyrrolidinium) dication as a structure-directing agent, and processes employing SSZ-74 in a catalyst. ... | 10/07/2008 |
| 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 |
| 7145041 | Method for producing saturated alcohols, ketones, aldehydes and carboxylic acids The invention relates to a method for catalytically oxidizing unsaturated hydrocarbons to form oxidation products, and to the production of saturated alcohols, ketones, aldehydes or carboxylic acids by subsequently hydrogenating the oxidation product. A compound of ... | 12/05/2006 |
| 7087793 | Process for producing cycloalkanol and/or cycloalkanone The present invention provides a process for producing cycloalkanol and/or cycloalkanone by oxidizing cycloalkane with molecular oxygen in the presence of a heteropolyacid compound comprising a cobalt atom as a central element and a cobalt atom as a frame element. | 08/08/2006 |
| 7087792 | Partial oxidation using molecular sieve SSZ-71 The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst. ... | 08/08/2006 |
| 7084305 | Partial oxidation using molecular sieve SSZ-70 The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N′-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and processes employing SSZ-70 in a catalyst. ... | 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 |
| 7045667 | Process for producing cycloalkanol and/or cycloalkanone A process for producing a cycloalkanol and/or a cycloalkanone is provided, the process comprising the step of oxidizing cycloalkane with molecular oxygen in the presence of a mixture of metal oxides and/or a composite metal oxide, each containing cerium and zirconiu... | 05/16/2006 |
| 7019175 | Catalytic oxidation process The invention provides a process for the catalytic oxidation of an alkane, which comprises contacting the alkane with a source of oxygen in the presence of a catalyst comprising a compound of the formula (2) where R1 and R2 independently repres... | 03/28/2006 |
| 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 |
| 6930209 | Liquid phase oxidation of cycloalkane compound A method for liquid phase oxidation of a cycloalkane compound is provided by which the cycloalkane compound intended to be oxidized mixes with water to form an azeotropic mixture, and then an oxygen enriched gas is introduced to perform an oxidation reaction. This m... | 08/16/2005 |
| 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 |
| 6911563 | Reaction method utilizing diaphram type catalyst and apparatus therefor A method for carrying out a reaction of one substance capable of being activated by a catalyst with another substance capable of reacting with said one substance activated, characterized in that the substance capable of being activated is activated by passing the su... | 06/28/2005 |
| 6888034 | Process for oxidation of cyclohexane Process for oxidizing cyclohexane in which oxygen is contacted with cyclohexane at a pre-selected feed rate in a first reaction zone and unconsumed oxygen is contacted with cyclohexane in a second reaction zone in which the cyclohexane feed rate is lower than the pr... | 05/03/2005 |
| 6814867 | Process for reducing chromium in nonvolatile residue resulting from air oxidation of cyclohexane Disclosed herein is a process for reducing or substantially eliminating chromium in non-volatile residue obtained from a certain processes, and particularly from cyclohexane oxidation processes. ... | 11/09/2004 |
| 6806390 | Hydroperoxide decomposition catalyst An improved catalytic process for decomposing alkyl or aromatic hydroperoxides is disclosed which utilizes a caalytic amount of a heterogeneous Au catalyst that has been treated with an organosilicon reagent. ... | 10/19/2004 |
| 6703529 | Process for oxidation of cyclohexane Disclosed herein is a process for the production of a mixture of cyclohexanone and cyclohexanol by oxidation of cyclohexane and decomposition of cyclohexyl hydroperoxide.... | 03/09/2004 |
| 6677490 | Method for producing alcohol/ketone mixtures The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the presence of a heterogen... | 01/13/2004 |
| 6642419 | Oxidation method In the presence of (1) an oxidizing catalyst comprising an imide compound such as N-hydroxyphthalimide, or (2) an oxidizing catalyst comprising such imide compound and a transition metal element-containing compound as a co-oxidizing agent (e. g., oxides, ... | 11/04/2003 |
| 6476275 | Process for the catalytic selective oxidation of a hydrocarbon compound in presence of mesoporous zeolite Processes applying mesoporous titanium containing zeolite based catalysts for selective oxidation or epoxidation of hydrocarbons by peroxides.... | 11/05/2002 |
| 6294689 | Methods for removing catalyst after oxidation of hydrocarbons This invention relates to oxidative methods for controlling the oxidation of a class of compounds, including hydrocarbons, such as cyclohexane for example, alcohols, such as cyclohexanol for example, ketones, such as cyclohexanone for example, and peroxid... | 09/25/2001 |
| 6255533 | Process for the recovery of cyclohexanone and cyclohexanol from cyclohexanone production distillation bottoms Organic by-products having higher boiling points than cyclohexanone (usually obtained from the bottoms of a distillation operation to separate cyclohexanone from other reaction products during cyclohexanone production) can be converted to recoverable cycl... | 07/03/2001 |
| 6215027 | Ballast gas use in liquid phase oxidation The amount of a ballast gas needed, to prevent combustion, deflagration, and/or detonations during a liquid phase reaction of molecular oxygen and a flammable process liquid, is reduced by using a ballast gas other than nitrogen. The ballast gas is select... | 04/10/2001 |
| 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 |
| 6143927 | Methods for removing catalyst after oxidation of hydrocarbons This invention relates to methods for controlling the oxidation of hydrocarbons to intermediate oxidation products, such as adipic acid for example, by removing the catalyst from the reaction mixture, outside the reaction zone, after the oxidation has tak... | 11/07/2000 |
| 6075170 | Process for preparing cyclohexanol and cyclohexanone This invention relates to a process for preparing cyclohexanol and cyclohexanone, in particular, to a process for preparing cyclohexanol and cyclohexanone by selectively oxidizing cyclohexane with Fe/Pd catalyst in a flow of hydrogen and oxygen gases in t... | 06/13/2000 |
| 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 |
| 6037491 | Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio This invention relates to methods and devices of preparing acids, such as adipic acid for example, by oxidizing a hydrocarbon, such as cyclohexane for example, with a gas containing an oxidant, preferably oxygen. A respective hydrocarbon is reacted, prefe... | 03/14/2000 |
| 6008415 | Cyclohexane oxidation Cyclohexane is catalytically oxidized to produce cyclohexanol and cyclohexanone and precursors of these products. The oxidation is carried out in a liquid oxidation reactor at high oxygen concentrations (greater than 30% and preferably greater than 90% ox... | 12/28/1999 |
| 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 |
| 5981420 | Oxidation catalytic system and oxidation process A substrate (e.g., a cycloalkane, a polycyclic hydrocarbon, an aromatic compound having a methyl group) is oxidized with oxygen in the presence of an oxidation catalytic system comprising an imide compound of the following formula (1) (e.g., N-hydroxyphth... | 11/09/1999 |
| 5892122 | Method for making cyclohexanol and cyclohexanone An improved method for making cyclohexanone and cyclohexanol from oxidation of cyclohexane in which a polyprotic acid is used to neutralize caustic to prevent oligomerization of cyclohexanone during fractional distillation.... | 04/06/1999 |
| 5850086 | Iron complexes for bleach activation and stereospecific oxidation A bleach and oxidation catalyst is provided comprising a catalytically active iron complex which can activate hydrogen peroxide or peroxy acids, for example.... | 12/15/1998 |
| 5817868 | Method and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating the temperature, hold-up time, and conversion in consecutive reaction zones. The temperature in the consecutive reaction zones progressively decreases, while the h... | 10/06/1998 |
| 5811599 | Process for the selective oxidation of hydrocarbons and their derivatives A process for the oxidation of hydrocarbons and their derivatives having the general formula RX, wherein R is from n-alkyl, iso-alkyl, benzyl, cyclohexyl, mono, di or tricyclic aryl, or alkenic groups and X is selected from H, OH or Cl to compounds having... | 09/22/1998 |
| 5801282 | Methods of making intermediate oxidation products by controlling pre-coalescing temperature and transient temperature difference in an atomized liquid Methods of making intermediate oxidation products by atomizing a first liquid (in the form of droplets) containing a reactant into a gas containing an oxidant in a manner to form an intermediate oxidation product different than carbon monoxide and/or carb... | 09/01/1998 |
| 5801273 | Methods and devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments Methods and devices for controlling the reaction rate of a hydrocarbon to an acid or other intermediate oxidation product by pressure drop rate adjustments. The pressure drop rate measurements are conducted at predetermined time intervals, after stopping ... | 09/01/1998 |
| 5780683 | Cyclohexane oxidation Cyclohexane is catalytically oxidized to produce cyclohexanol and cyclohexanone and precursors of these products. The product is then catalytically hydrogenated while the product is still at reaction temperature to produce additional cyclohexanol and cycl... | 07/14/1998 |
| 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 |
