Class 562/528 - Cyclic ketone or mixture thereof with cyclic alcohol

Subclass of Class 562 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the acid is produced by oxidizing a cyclic
No. of patents: 39
Last issue date: 12/25/2007

Number	Title	Issue Date
7312357	Process for producing aliphatic dicarboxylic acid compound The present invention discloses a process for producing an aliphatic dicarboxylic acid compound, which comprises oxidizing, with a nitrite or a nitrate in the presence of trifluoroacetic acid, an alicyclic secondary alcohol compound or an alicyclic ketone compound, ...	12/25/2007
7186858	Method for producing carboxylic acid The present invention provides a safe, convenient and efficient method for producing carboxylic acid by a reaction of alicyclic alcohol with an aqueous hydrogen peroxide to thereby obtain carboxylic acid in high yield from alicyclic alcohol or alicyclic ketone under...	03/06/2007
7153806	Encapsulated oxo-bridged organometallic cluster catalyst and a process for the preparation thereof The present invention relates to a novel encapsulated organometallic cluster complex catalyst and to a process for the preparation thereof. The oxo-bridged organometallic cluster complex of the invention has at least one atom of cobalt and manganese encapsulated in ...	12/26/2006
7084300	Work-up of residues in the preparation of carboxylic acids Degradation acids obtained in the synthesis of carboxylic acids, in particular dicarboxylic acids, having from 8 to 16 carbon atoms may be isolated by separating the degradation acids in the form of a solid from the crude reaction mixture, then washing the degradati...	08/01/2006
7045656	Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups A process is described for recycling catalysts in the reaction for the oxidation of alcohols and/or ketones to carboxylic acids and more particularly the oxidation of cyclic alcohols and/or cyclic ketones to dicarboxylic acids, such as the oxidation of cyclohexanol ...	05/16/2006
7019167	Process for producing alkanedicarboxylic acid A method for manufacturing an alkanedicarboxylic acid by oxidizing cycloalkanol and/or cycloalkanone with an aqueous solution of nitric acid, which comprises using an adiabatic reactor comprising a feed nozzle enabling to feed cycloalkanol and/or cycloalkanone at a ...	03/28/2006
7012155	Process for the production of carboxylic acids Aliphatic carboxylic acids of formulae (Ib) R1—COOH(Ia) and R2—COOH wherein R1 is tertiary C4-20-alkyl and R2 together are —(CH2)n— with n=3 to 10, are produced by oxidizing an alip...	03/14/2006
6632964	Process for production of aliphatic aldehyde-acid and/or aliphatic dicarboxylic acid and catalyst for the production A process of producing an aliphatic aldehyde-acid (e.g., adipaldehyde-acid) and/or an aliphatic dicarboxylic acid (e.g., adipic acid) comprising oxidizing a cyclic ketone (e.g., cyclohexanone) with molecular oxygen in the presence of a fixed catalyst whic...	10/14/2003
6521789	Process for the preparation of adipic acid The present invention relates to an improved process for the preparation of adipic acid. More particularly, the present invention relates to an environmental-friendly, clean process for the preparation of adipic acid through oxidation of cyclohexanol, cyc...	02/18/2003
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
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
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
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
5663388	Process for converting aldehydes to acids A process for forming acids from aldehydes which comprises reacting an oxo aldehyde with water in the presence of an acid-forming catalyst and in the absence of hydrogen, and at a pressure of about 0.1 to 6.99 MPa and a temperature of about 93.degree. to ...	09/02/1997
5654475	Methods of making intermediate oxidation products by controlling oxidation rates 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...	08/05/1997
5502245	Methods of making intermediate oxidation products by controlling transient conversion in an atomized liquid Methods of making intermediate oxidation products by atomizing a first liquid containing a reactant into a gas containing an oxidant in a manner to form an intermediate oxidation product different than carbon monoxide and/or carbon dioxide. The oxidation ...	03/26/1996
5420336	Catalyst recovery and dialkyl ester synthesis Copper and vanadium catalyst components are recovered and dialkyl esters of dicarboxylic acids are synthesized by precipitating the catalyst metals with an alcohol selected from the group consisting of methanol, ethanol, and isopropanol removal of the pre...	05/30/1995
4988825	Oxidation of aldehydes and ketones using alkali metal perborates Aldehydes and ketones, other than acetone, are oxidized with an alkali metal perborate in the presence of an acid....	01/29/1991
4983767	Preparation of aliphatic carboxylic acids by oxidation of monocyclic ketones Aliphatic carboxylic acids, e.g., adipic acid, are prepared by oxidizing a monocyclic ketone with molecular oxygen or an oxygen-containing gas, in the presence of a catalytically effective amount of a vanadium compound having one of following formulae (I)...	01/08/1991
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
4902827	Process for the preparation of adipic acid Disclosed is an improved process for the preparation of adipic acid by the air oxidation of cyclohexane in the presence of acetic acid and a catalyst system comprising cobalt and zirconium and/or hafnium....	02/20/1990
4883910	Oxidation of organics by a vanadium containing heteropolyanion compound An organic compound having a cyclic aliphatic moiety is oxidized with a vanadium containing heteropolyanion compound having the formula Am XY12-n Vn+5 O40 wherein A is H, Li, K or Na: X is P+5, Si	11/28/1989
4870192	Production of lactones and omega-hydroxycarboxylic acids This invention provides process embodiments for shape-selective oxidation of cyclic ketones to lactone and/or omega-hydroxycarboxylic acid products in the presence of a zeolite catalyst composition such as ZSM-5 or zeolite Beta. Cyclohexanone can be conve...	09/26/1989
4739114	Process for the preparation of 3-alkyl-substituted glutaric acids and 2-alkyl-substituted succinic acids This invention relates to a novel method of preparing 3-alkyl-substituted glutaric acids and 2-alkyl-substituted succinic acids from 5-alkyl-substituted-1,3-cyclohexane-diones or 3-alkyl-substituted-5-ketohexanoic acids via transition-metal catalyzed ...	04/19/1988
4649217	Process for producing oxocarboxylic acids Oxocarboxylic acids, for example adipaldehydic acid can be advantageously produced by a process, in which cyclohexanones are oxidized with molecular oxygen in the presence of water and iron or iridium compound, preferably also in the presence of a sulfur ...	03/10/1987
4532347	Membrane solvent extraction process The instant invention relates to a membrane solvent extraction and reaction system. More particularly it pertains to an improvement in the membrane solvent extraction system wherein a solute is extracted through a polymeric membrane from one solvent liqui...	07/30/1985
4510321	Autoxidative cleavage of ketones in the presence of pulverized alkali metal hydroxide Processes for the autoxidative cleavage of selected ketones such as C4 -C10 cycloalkanones having at least one hydrogen or at least one R group on a carbon alpha to the carbonyl carbon or aryl alkyl ketones having the formula III ...	04/09/1985
4450291	Decontamination of KA oil refinement waste stream A process for the decontamination of the distillation refinement residue from the process of oxidizing cyclohexane to KA oil is provided. The process comprises washing the distillation refinement residue with the crystallization by-product obtained in cry...	05/22/1984
4433163	Process for the production of 3,3-dimethylglutaric acid or its esters Process for the production of 3,3-dimethylglutaric acid or its esters from dimedone. Dimedone is converted with ozone into an ozone-addition product. The latter is converted by hydrolysis into 3,3-dimethylglutaric acid or by alcoholysis into one of its es...	02/21/1984
4423018	Buffered flue gas scrubbing system using adipic acid by-product stream A by-product stream from the production of adipic acid from cyclohexane, containing glutaric acid, succinic acid and adipic acid, is employed as a buffer in lime or limestone flue gas scrubbing for the removal of sulfur dioxide from combustion gases....	12/27/1983
4375552	Nitric acid process for production of adipic acid from hydrocarbons Waste streams from adipic acid manufacture containing nitric, succinic, glutaric and adipic acids and valuable catalytic metal as salts are treated with alcohols, thereby separating, as esters, succinic and glutaric acids which would contaminate pure adip...	03/01/1983
4340753	Method for making keto acids and dione cyclics obtained therefrom A method is provided for oxidatively cleaving ଱,ଲ-unsaturated cyclic ketones, such as isophorone, with an oxidizing agent, for example, ozone, and thereafter recovering the resulting keto acid. In instances where ozone is used, an aqueous hydr...	07/20/1982
4259524	Method for producing dibasic fatty acid using liquid nitrogen dioxide (N₂ O₄) as reacting agent A method for the oxidation of alicyclic hydrocarbons having substituent groups by the use of liquid nitrogen dioxide (N2 O4)....	03/31/1981
4098817	Oxidation of cycloaliphatic compounds Cyclic compounds, particularly cycloalkanes and cycloalkenes can be oxidized using known metal oxidation catalysts in an organic ester solvent with considerable advantage over prior art solvents. For example cyclohexane was oxidized with a combination cob...	07/04/1978
4018827	Process for the preparation of cycloalkane-1,2-diones Cycloalkanones (C5-12) are converted to the corresponding 1,2-cycloalkanediones by autoxidation in the presence of a base catalyst (potassium t-butoxide preferred) and a polar organic solvent....	04/19/1977
4013691	Process for the simultaneous manufacture of epsilon-caprolactones and carboxylic acids A cyclohexanone is oxidized by molecular oxygen in the presence of an aldehyde, a soluble compound of a metal selected from the group consisting of iron, palladium, vanadium, chromium, molybdenum, tungsten and cerium, and a compound which has a heterocycl...	03/22/1977
3986841	Apparatus for the continuous production of saturated aliphatic dicarboxylic acids Apparatus for the continuous production of saturated aliphatic dicarboxylic acids by the catalyzed nitric acid oxidation of the corresponding cycloalkanols and cycloalkanones with recirculation of the reaction sludge and the reaction gases, which comprise...	10/19/1976
3953472	Method for separating lactones from a mixture containing lactones Lactones are separated from a mixture of (a) at least one member selected from the group consisting of hydroxy acids wherein the OH group and the COOH group are bonded through 3 or 4 carbon atoms, lactones derived therefrom, lower polymers of said hydroxy...	04/27/1976
3950410	Oxidation process In the oxidation of a liquid alcohol and/ketone with nitric acid to a carboxylic acid, especially of a mixture of cyclohexanol and cyclohexanone to adipic acid, temperature is controlled during the reaction in which gas is evolved by contacting the reacti...	04/13/1976

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Class 562/528 - Cyclic ketone or mixture thereof with cyclic alcohol