Class 562/527 - Of ketone

Subclass of Class 562 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the acid is produced by oxidizing a ketone.
No. of patents: 29
Last issue date: 03/21/2006

Number	Title	Issue Date
7015356	Process for producing dicarboxylic acids A carboxylic acid is produced by oxidative cleavage of a cycloalkane with oxygen and performs a reaction in the presence of a catalyst including an imide compound and a metallic compound, the imide compound having a cyclic imide skeleton represented by the following...	03/21/2006
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
6939991	Preparation of acrylic acid In a process for preparing acrylic acid, an acrylic acid-containing product gas mixture obtained by catalytic gas phase partial oxidation of a C3 precursor of acrylic acid, after direct cooling with a quench liquid, is fractionally condensed in a separati...	09/06/2005
6884909	Process for preparing saturated carboxylic acids having from one to four carbon atoms by gas-phase oxidation of 2-butanone A process for preparing saturated carboxylic acids having from one to four carbon atoms by gas-phase oxidation, includes reacting 2-butanone with oxygen over a coated catalyst which is an inert nonporous support body and a catalytically active mixed oxide compositio...	04/26/2005
6872369	Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups The invention relates to a process for selectively separating iron from other metal ions, in particular ions present in certain oxidation catalysts. It also relates to a process for recycling catalysts in the reaction for the oxidation of alcohols and/or keto...	03/29/2005
6762319	Hydrocarbon, alcohol and/or ketone oxidation method The present invention relates to the oxidation, by means of oxygen or a gas containing it, of hydrocarbons to the corresponding carboxylic acids, alcohols and/or ketones or of alcohols and/or ketones to the corresponding carboxylic acids. It consists more precisely ...	07/13/2004
6498269	Method for the oxidation of aldehydes, hemiacetals and primary alcohols A method for the oxidation of substrates comprising treating an aqueous, basic solution of a substrate having an oxidizable functionality using an elemental halogen as terminal oxidant in the presence of an oxoammonium catalyst/halide co-catalyst system. ...	12/24/2002
6392092	Process for manufacturing 3-hydroxy-3-methylbutanoic acid A method for manufacturing 3-hydroxy-3-methylbutanoic acid (HMB) in commercially viable amounts is disclosed. The reaction mixture cycles through an external heat exchanger while the primary reactant is added in a warmer so as to control and maintain a lo...	05/21/2002
6248922	Process for manufacturing 3-hydroxy-3-Methylbutanoic acid A method for manufacturing 3-hydroxy-3-methylbutanoic acid (HMB) in commercially viable amounts is disclosed. The reaction mixture cycles through an external heat exchanger while the primary reactant is added in a warmer so as to control and maintain a lo...	06/19/2001
6090978	Process for manufacturing 3-hydroxy-3-methylbutanoic acid A method for manufacturing 3-hydroxy-3-methylbutanoic acid (HMB) in commercially viable amounts is disclosed. The reaction mixture cycles through an external heat exchanger while the primary reactant is added in a warmer so as to control and maintain a lo...	07/18/2000
5763656	Method of preparing tartaric acid A method of preparing tartaric acid in which 5-ketogluconate is oxidized in a carbonate buffer at an alkaline pH preferably in the range of 8 to 10 using vanadate....	06/09/1998
5364951	Tungsten- or molybdenum-based, supported compositions, process for obtaining them and their properties as heterogeneous oxidation catalysts Tungsten-(VI) or molybdenum-(VI)-based compounds which contain cationic groups from onium salts anchored on solid inorganic matrices having the general formula (I): (P) - - - [(CH2)n Q+ RR'R"]2 [M2 O1...	11/15/1994
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
4599446	Process for the preparation of 2-keto-L-gulonic acid A process for the preparation of 2-keto-L-gulonic acid by the oxidation of L-sorbose with an oxygen-containing gas in water used as the solvent, wherein the reaction is carried out in the presence of a specific catalyst, preferably with the pH of the reac...	07/08/1986
4570017	Preparation of optically-active (mixed) anhydrides and acids A process for the preparation of an optically-active (mixed) anhydride of an alpha-chiral (optically-active) carboxylic acid by treating a non-symmetrical ketene with a carboxylic acid in the presence of an optically-active (chiral) tertiary amine catalys...	02/11/1986
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
4386222	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...	05/31/1983
4304927	Carboxylic acids, esters and salts of polyfluoroacetone Compounds of the structure ##STR1## wherein X is --F or Cl and each R is independently --H, --CH3, --C2 H5, --CH2 CH2 CH3, --CH2 CH2 CH2 CH3...	12/08/1981
4247716	Process for producing pyruvic acid A novel process for producing pyruvic acid is provided in which process hydroxyacetone is oxidized with a molecular oxygen-containing gas in a water-containing or aqueous solvent in the presence of a catalyst. The catalysts useful for the above oxidation ...	01/27/1981
4217290	Process for preparing bifunctional aliphatic organic compounds This invention consists of a process for preparing bifunctional aliphatic organic compounds of at least 6 carbon atoms, wherein a cycloaliphatic oxyhydroperoxide is reacted with an alpha-olefine having its double bond activated by a conjugate electron-att...	08/12/1980
4054590	Production of fatty acids A process for producing fatty acids from C12 to C35 normal alkanes by air oxidizing the alkanes, followed by nitric acid oxidation of the air oxidation product....	10/18/1977
4052460	Production of 3,3-dimethyl-2-oxo-butyric acid salt Dichloropinacolone is produced by introducing into pinacolone twice the molar amount of chlorine, the exothermic reaction mass being cooled initially to maintain the temperature below about 50° C until about 60 to 80% of the chlorine has been introduced,...	10/04/1977
3996272	Method for preparing pentachloroacetone and dichloroacetic acid from isopropyl ethers This invention relates to a chemical process for preparing pentachloro-2-propanone (pentachloroacetone) and dichloroacetic acid from isopropyl ethers which may be partially chlorinated. The pentachloroacetone process is carried out by reacting the isoprop...	12/07/1976
3994897	Process for the manufacture of carboxylic acids from methyl ketones Carboxylic acids are manufactured by reaction of methyl ketones with hypochlorites in the presence of bromine, iodine, haloamides, and/or polymerization inhibitors. The products are starting materials for the manufacture of dyes, plant protection agents, ...	11/30/1976
3972243	Traction drive with a traction fluid containing gem-structured polar organo compound Polyolefins, paraffins and polar compounds containing a gem-structured hydrocarbon "backbone" are useful as traction fluids or as components of traction fluids. For example, compositions, useful as additives to lubricants (e.g., components of traction flu...	08/03/1976
3954857	Process for preparing acetic acid by gas-phase oxidation Vanadate catalysts used in the preparation of acetic acid by gas-phase oxidation of butenes and of oxygen compounds derived from butene or from propane in the presence of steam are improved by treating with hydrochloric acid, following calcining, and then...	05/04/1976
3947497	Liquid phase oxidation of methyl ethyl ketone to form acetic acid therefrom An improved process for the liquid phase oxidation of methyl ethyl ketone to acetic acid wherein increased carbon efficiencies are achieved by including formic acid and/or at least one formic acid-producing compound such as methyl formate in the reaction ...	03/30/1976

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Class 562/527 - Of ketone