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Class 568/471 - Organic hydroxy containing reactant


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes which include reacting an organic -OH containing
No. of patents: 133
Last issue date: 02/01/2011


1        
NumberTitleIssue Date
7880038Metal catalyst and its use
A metal catalyst obtained by contacting (A) at least one metal or metal compound selected from i) tungsten compounds composed of tungsten and an element of group IIIb, IVb, Vb, or VIb, ii) molybdenum compounds composed of molyb...
02/01/2011
7803972Shell catalyst, in particular for oxidation of methanol to formaldehyde, and also method for production thereof
The invention relates to a coated catalyst, especially for oxidation of methanol to formaldehyde, which, on an inert, preferably essentially nonporous, support body, has at least one coating which comprises, before the removal of the organic fractions of components ...
09/28/2010
7772442Method of producing unsaturated aldehyde and/or unsaturated acid
Disclosed is a shell-and-tube reactor that may be used for fixed-bed catalytic partial oxidation, the reactor being characterized by including at least one reaction zone of a first-step reaction zone for mainly producing unsaturated aldehydes and a second-step react...
08/10/2010
7423184Method 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
7294317Exothermic reaction system
A reactor and heat exchanger assembly is provided with the heat exchanger integrally affixed to the reactor exit head and adapted to immediately cool reactor gases from the reactor. ...
11/13/2007
7235701Process for producing aldehyde
The invention provides a film-type dehydrogenation reaction catalyst for aldehyde production, which is used in producing an aldehyde from an alcohol as a starting material, as well as a process for producing an aldehyde, which includes reacting an alcohol in the pre...
06/26/2007
7232788Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins
A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount...
06/19/2007
7208634Oxidation 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
7173149Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols
A process for preparing alkynecarboxylic acids includes the oxidation of an alkyne alcohol with a hypohalite in the presence of a nitroxyl compound at a pH of greater than 7 with continual addition of the alkyne alcohol and of the hypohalite to the reaction mixture....
02/06/2007
7169954Method 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
7144557Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor
A multitube reactor, wherein tubes having smaller tolerance between a nominal size and actual sizes are used as reaction tubes to stably perform a high yield reaction for a long period, a catalyst is filled into the reaction tubes so that the catalyst layer peak tem...
12/05/2006
7125820Non-noble metal catalysts for the oxygen reduction reaction
Non-noble metal transition metal catalysts can replace platinum in the oxidation reduction reaction (ORR) used in electrochemical fuel cells. A RuxSe catalyst is prepared with comparable catalytic activity to platinum. An environmentally friendly aqueous ...
10/24/2006
7118920Multiphasic microchannel reactions
Multiphasic reactions, especially those reactions using a phase transfer catalyst, are conducted in microchannel apparatus. Advantageously, these reactions can be conducted with two, planar microlayers of reactants in adjacent laminar flow streams. Microchannel appa...
10/10/2006
7034170Manganese(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
7030279Process 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
7000382Partial oxidation of alcohols
A method of partially oxidizing an alcohol to an aldehyde or ketone comprises contacting a gas containing the alcohol with a solid catalyst containing molybdenum, preferably in a +6 oxidation state, and having a surface area of 10 m2/g or higher, preferab...
02/21/2006
6995291Process for the oxidation of unsaturated alcohols
The present invention relates to the field of organic synthesis and more precisely to a process for the synthesis of an unsaturated aldehyde or ketone by oxidation of the corresponding alcohol. The oxidation is performed by a hypochlorite salt and a catalytic amount...
02/07/2006
6930072Vanadia-titania metal molybdate dual catalyst bed system and process using the same for methanol oxidation to formaldehyde
A process and a catalyst reaction zone comprising one or more fixed bed reactors for oxidizing methanol in a reactant gas feed stream to formaldehyde. According to one embodiment, the process comprises introducing the reactant gas feed stream into an upstream region...
08/16/2005
6897342Method for producing aldehydes
A process for making aldehydes involving: (a) providing a fatty alcohol; (b) providing an oxidic copper/zinc catalyst; and (c) continuously dehydrogenating the fatty alcohol, in the presence of the oxidic copper/zinc catalyst, at a temperature of from about 200 to 2...
05/24/2005
6878847Catalyst for preparation of unsaturated aldehyde and unsaturated carboxylic acid
A catalyst useful for catalytic vapor-phase oxidation of isobutylene, t-butanol or propylene to produce respectively corresponding unsaturated aldehyde and unsaturated carboxylic acid is provided. The catalyst consists of ring-formed shaped bodies composed of (i) a ...
04/12/2005
6825384Bromine 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
6768013Intrinsically safe oxidation process
A novel process for the direct oxidation of hydrogen and hydrocarbons is disclosed, where the explosion risks inherent in gas phase oxidations are substantially eliminated. Gaseous oxidation reactants are soluble in a first reaction solvent phase such as a perfluoro...
07/27/2004
6750371Process 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
6624332In situ formation of metal-molybdate catalysts for methanol oxidation to formaldehyde
The method of the present invention involves the in situ formation of metal-molybdate catalyst particles active for methanol oxidation to formaldehyde, with iron as an example, the catalyst is made by mixing particulate forms of Fe2 O3
09/23/2003
6573409Process for the preparation of 3,3-dimethylbutanal
3,3-Dimethylbutanal is prepared from 3,3-dimethylbutanol. Intermediate 3,3-dimethylbutanol is obtained by reacting ethylene, isopropylene and sulfuric acid to produce a 3,3-dimethylbutyl ester which is hydrolyzed to the alcohol. The hvdrolysis step is eff...
06/03/2003
6559345Dual catalyst bed reactor for methanol oxidation
A process and apparatus for oxidizing methanol in a gas stream into formaldehyde in a fixed bed reactor. The process first introduces a gas stream into a fixed bed reactor. The fixed bed reactor contains a catalyst bed having a depth, a width, a length, a...
05/06/2003
6552233Vanadia-titania/metal-molybdate dual catalyst bed system and process using the same for methanol oxidation to formaldehyde
A process and a catalyst reaction zone comprising one or more fixed bed reactors for oxidizing methanol in a reactant gas feed stream to formaldehyde. According to one embodiment, the process comprises introducing the reactant gas feed stream into an upst...
04/22/2003
6531635Precursors of 3-alkoxyalkanols and processes for the preparation of 3-alkoxyalkanols
Processes for the preparation of 3-alkoxyalkanols useful as solvents for coating materials, photoresists, or the like. Specifically, (1) a process which comprises reacting an ଱,ଲ-unsaturated aldehyde with an alcohol in the presence of an acidi...
03/11/2003
6512144Oxidation of hydrocarbons using crystalline manganese (II/III) phosphate compositions
Processes for oxidizing hydrocarbons using a new family of crystalline manganese phosphate compositions have been developed. These compositions have an extended network which network can be a one-, two-, or three-dimensional network. The composition has a...
01/28/2003
6504055Catalysts and processes for the conversion of succinates to citraconates or itaconates
Processes for producing citraconic anhydride and citraconic acid using porous materials with specific surface acidities and surface areas are described. The preferred catalyst is a porous gamma alumina. Itaconic acid is produced from citraconic acid. Itac...
01/07/2003
6486357Catalytic 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
6476260Method of producing aldehydes and carboxylic acids by oxidizing primary alcohols
The invention relates to a method for oxidizing primary alcohols in order to obtain aldehydes and/or carboxylic acids. The reaction takes place in the presence of a catalyst supported on aluminium oxides or aluminium silicates and containing palladium, pl...
11/05/2002
6399818Process for producing unsaturated aldehydes and unsaturated carboxylic acids
As an improvement in the process for preparing unsaturated aldehydes and unsaturated carboxylic acids through vapor-phase catalytic oxidation of at least one starting compound selected from propylene, isobutylene, t-butanol and methyl-t-butyl ether with m...
06/04/2002
6350918Alcohol conversion
Preparing an aldehyde from an alcohol by contacting the alcohol in the presence of oxygen with a catalyst prepared by contacting an intimate mixture containing metal oxide support particles and particles of a catalytically active metal oxide from Groups V...
02/26/2002
6350916Selective oxidation of alcohols to aldehydes or ketones
Alcohols are oxidized to their corresponding ketone or aldehyde using an aryl chloride oxidant and a metal-ligand complex or metal/ligand composition. This reaction is particularly applicable to aromatic alcohols and cyclic and bicyclic aliphatic alcohols...
02/26/2002
6313343Process for the preparation of alpha-oxoaldehydes
Alkylene glycol is oxidized in a vapor phase in the presence of alcohol (a), oxygen, and a catalyst (a) (primary reaction). ଱-oxoaldehyde, and alcohol (b) or olefin, are oxidized in a vapor phase in the presence of oxygen and a catalyst (b) (seconda...
11/06/2001
6255534Preparation 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
6169214Catalyst consisting of a hollow cylindrical carrier having a catalytically active oxide material applied to the outer surface of the carrier, and process for using said catalyst
A coated catalyst which consists of a hollow cylindrical carrier and a catalytically active oxide material applied to the outer surface of the carrier, the applied catalytically active oxide material being applied in a coat thickness of from 10 to 1000 μ...
01/02/2001
6166264Oxidation catalyst system and method of oxidation with the same
The oxidation catalyst system of the invention is composed of (A) a ruthenium compound and (B) a dioxybenzene or its oxidant. The ruthenium compound (A) includes dichlorotris(triphenylphosphine)ruthenium (II) and other ruthenium complexes and Ru/C. The di...
12/26/2000
6165352Process 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
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