U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5035252

Nicotine Containing Dental Floss

Keep away cavities and cancer at the same time.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 554/135 - Heavy metal containing catalyst utilized


Subclass of Class 554 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein a catalyst containing a metal having a
No. of patents: 65
Last issue date: 10/25/2005


1    
NumberTitleIssue Date
6958407Process for producing phenyl ester, and catalyst
A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fourth to six...
10/25/2005
6342620Process for producing phenyl ester
A phenyl carboxylate is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the coexistence of a palladium catalyst with at least one additive selected from alcohols, aldehydes, cyclic hydrocarbons and formic a...
01/29/2002
5872267Process for producing an omega-functionalized aliphatic carboxylic acid and intermediate products of said process
A process for producing an omega-functionalized aliphatic carboxylic acid starting from cyclohexanone and omega-functionalized ଱-olefins. The process comprises an addition step, an oxidation step, an isomerization step, one or more hydrogenation ste...
02/16/1999
5495034Method for preparing ଱-substituted ω-hydroperfluoroalkanes
A method for the preparation of ଱-substituted ω-dihydroperluoroalkane derivatives of the general formula H(CF2 CF2)n R wherein R=H or COOH, and n=1-10 is characterized by oxidizing ଱, ଱, ω-trihydro...
02/27/1996
5122307Process for the oxidation of alcohols to acids
The instant invention relates to a process for the oxidation of primary alcohols to the corresponding acids, which comprises contacting and thereby reacting an alcohol with oxygen and a tertiary amine oxide compound at elevated temperatures in the presenc...
06/16/1992
5122308Process for the oxidation of alcohols to acids
The instant invention relates to a process for the oxidation of primary alcohols to the corresponding acids, which comprises contacting and thereby reacting an alcohol with a tertiary amine oxide compound at elevated temperatures in the presence of a homo...
06/16/1992
4996007Process for the oxidation of alcohols to aldehydes/acids/esters
The instant invention relates to a process for the oxidation of primary alcohols to aldehydes, acids and esters, particularly to aldehydes. In this process and alcohol and oxygen are contacted and reacted with a dihydrodihydroxynaphthalene or a dihydrodih...
02/26/1991
4976893Process for preparing carboxylic acids
The invention relates to a process for preparing carboxylic acids by platinum-catalyzed oxidation of primary alcohols of limited water solubility with oxygen in a mixture of water and a solubilizer. The solubilizer used is an ether of the general formula ...
12/11/1990
4968838Process for the preparation of unsaturated carboxylic acids
The present invention provides a process for the preparation of a catalyst used in the production of unsaturated carboxylic acids such as methacrylic acid by the gas phase catalytic oxidation of the corresponding unsaturated aldehydes such as methacrolein...
11/06/1990
4915875Oxidation products of paramethyl-substituted hindered phenols
Paramethyl-substituted hindered phenols are selectively oxidized by contacting with an oxidizing agent at elevated temperatures in the presence of a heterogeneous oxidative coupling catalyst. In the absence of an optional nucleophile the products comprise...
04/10/1990
4900871Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand
Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O2 to form such products as alcohols, ketones, and the like selectively high yields when there is employed as the catalyst a coo...
02/13/1990
4895682Hydrocarbon oxidations catalyzed by azide-activated metal coordination complexes
Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidixed with air or O2 to form such products as alcohols, ketones, and the like selectively in high yields when there is employed as the catalyst a ...
01/23/1990
4895680Hydrocarbon oxidations catalyzed by nitride-activated metal coordination complexes
Hydrocarbon, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O2 to form such products as alcohols, ketones, and the like in high yields when there is employed as the catalyst a highly active...
01/23/1990
4655974Manufacture of phenyl esters
A process is described for the manufacture of aryl esters such as phenyl esters by liquid phase reaction of an aromatic compound such as benzene with molecular oxygen in the presence of a carboxylic acid preferably having 6 or more carbon atoms over a cat...
04/07/1987
4649217Process 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
4606863Process for preparing carboxylic acid
This invention provides a process for preparing carboxylic acid, the process comprising subjecting an oxidation product produced by reacting a peroxide with (a) unsaturated aliphatic monocarboxylic acid having at least one unsaturated bond in the carbon c...
08/19/1986
4536314Bleach compositions comprising non-linear aliphatic peroxycarboxylic acid precursors
Detergent compositions, detergent additive products and bleaching compositions containing aliphatic peroxyacid bleach precursors of formula ##STR1## are provided, where L is a leaving group of defined formula whose conjugate acid has a pKa of from 6 ...
08/20/1985
4528398Method for the preparation of unsaturated carboxylic acid with high activity phosphomolybdic acid based catalysts
The present invention relates to a method for the preparation of phosphomolybdic acid based catalysts utilized in the oxidation of aldehydes to unsaturated carboxylic acids by forming a solution of hydrated phosphomolybdic acid in a substantially anhydrou...
07/09/1985
4512927Naphthyl esters from tetralin
A process for the preparation of naphthyl or indene carboxylates by reaction of tetralin or indane with oxygen and a carboxylic acid in the presence of a catalyst comprising palladium is described....
04/23/1985
4508653Method for preparing acyloxy styrenes
The oxidation process for the manufacture of acyloxy styrenes comprises contacting a compound such as styrene or ethyl benzene, a carboxylic acid and molecular oxygen in the liquid phase at an elevated temperature with a catalyst composed of palladium or ...
04/02/1985
4505930Alpha-alkyl polyolefinic carboxylic acids and derivatives thereof useful in the treatment of psoriasis and allergic responses
Polyolefinic compounds represented by the general formula ##STR1## in which R and R1 are each hydrogen or an alkyl group of from 1 to 5 carbon atoms; R2 is an alkyl group of from 1 to 5 carbon atoms; R3 is hydroxyl, a...
03/19/1985
4499301Process for the preparation of unsaturated aldehydes and carboxylic acids
Vapor phase process for the preparation of unsaturated aldehydes, carboxylic acids and mixtures thereof which comprises contacting a gaseous mixture of an open-chain olefin of from 3 to 8 carbon atoms, water and oxygen at an elevated temperature up to abo...
02/12/1985
4499298Process for the production of esters
A process is described for the preparation of aryl esters such as benzyl acetate by reacting an aryl alkyl compound such as toluene with a carboxylic acid such as acetic acid and oxygen in the presence of a catalytically effective amount of a catalyst com...
02/12/1985
4472314Bismuth-containing mixed oxides of perovskite structure in oxidation of acyclic hydrocarbons
Mixed oxides of bismuth with other metals of the perovskite structure and having vacant lattice sites in the same lattice positions occupied by bismuth are disclosed as partial oxidation and ammoxidation catalysts. Such oxides are used as catalysts in the...
09/18/1984
4465633Manufacture of aryl esters
A process is described for the manufacture of aryl esters such as phenyl esters by liquid phase reaction of an aromatic compound such as benzene with molecular oxygen in the presence of a carboxylic acid preferably having 6 or more carbon atoms over a cat...
08/14/1984
4464303Manufacture of higher aryl esters cross-reference to related applications
An improved process for the manufacture of higher aromatic hydrocarbon esters, such as naphthyl esters, by liquid phase reaction of the higher aromatic hydrocarbon compound with molecular oxygen in the presence of a higher carboxylic acid over a catalyst ...
08/07/1984
4456555Manufacture of aryl esters
A process is described for the manufacture of aryl esters such as phenyl esters by liquid phase reaction of an aromatic compound such as benzene with molecular oxygen in the presence of a perfluorocarboxylic acid and carboxylic acid preferably having 5 or...
06/26/1984
4435598Process for the catalytic oxidation of propylene to acrylic acid
An improved process for the catalytic oxidation of propylene to acrylic acid the improvement comprising conducting the process in the presence of an effective amount of hydroquinone. The improved process is particularly applicable to the aqueous liquid ph...
03/06/1984
4415752Process for preparing unsaturated acids with Mo, V, Nb, Fe-containing catalysts
A novel catalyst comprising the elements Mo, V and Nb, and an oxidation process, is provided for oxidizing alpha-beta unsaturated aliphatic aldehydes in the vapor phase with molecular oxygen to produce the corresponding alpha-beta unsaturated carboxylic a...
11/15/1983
4414411Process for preparing unsaturated acids with Mo, V, Ti-containing catalysts
A novel catalyst comprising the elements Mo, V and Ti, and an oxidation process, is provided for oxidizing alpha beta unsaturated aliphatic aldehydes in the vapor phase with molecular oxygen to produce the corresponding alpha-beta unsaturated carboxylic a...
11/08/1983
4410461Production of benzylic esters
A catalytic homogeneous liquid phase process for effecting the acyloxylation of toluene to produce the corresponding benzylic ester. The catalyst system comprises Pd(II) and Pb(II) values wherein the palladous element component is associated with a cataly...
10/18/1983
4410725Process for preparing unsaturated acids with Mo, V, Ta-containing catalyst
A novel catalyst comprising the elements Mo, V and Ta, and an oxidation process, is provided for oxidizing alpha-beta unsaturated aliphatic aldehydes in the vapor phase with molecular oxygen to produce the corresponding alpha-beta unsaturated carboxylic a...
10/18/1983
4409396Process for the manufacture of unsaturated carboxylic acid esters
The invention relates to a process for the manufacture of unsaturated carboxylic acid esters by the reaction of olefins or cyclo-olefins with oxygen and carboxylic acids in the gaseous phase, in the presence of a catalyst which contains elements of the su...
10/11/1983
4285875Process for preparing carboxylic acids by catalytic oxidation of aldehydes
A process for preparing carboxylic acids by the oxidative conversion of the corresponding aldehydes comprises oxidizing the aldehydes in the presence of a catalyst comprising the anion [Fe(CN)5 H2 O]-3. The catalyst may be...
08/25/1981
4256915Production of ethylenically unsaturated aliphatic acids
The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefore, by the vapor phase oxidation of the corresponding unsaturated aliphatic aldehydes with molecular oxygen, optionally in the presence of...
03/17/1981
4249019Process for producing carboxylic esters
A carboxylic ester is produced in one step in a high yield and with a high selectivity by reacting an aldehyde with an alcohol in the presence of oxygen by using a catalyst comprising (I) palladium, (II) at least one compound selected from the group consi...
02/03/1981
4233455Preparation of diesters of olefinically unsaturated 1,2 and/or 1,4-diols
Diesters of olefinically unsaturated 1,2- and/or 1,4-diols are prepared by reacting a conjugated diolefin, oxygen and a fatty acid, in the gas phase or liquid phase, over a solid catalyst which contains palladium and/or platinum and a further metal, which...
11/11/1980
4229587Process for preparing aromatic esters
A process for preparing aromatic esters by oxyacylation which comprises contacting benzene or an aryl alkyl compound with a carboxylic acid and oxygen in the vapor phase in the presence of a catalytically effective amount of a catalyst comprising an oxide...
10/21/1980
4225727Process for the production of unsaturated esters
The invention relates to a process for the production of an unsaturated glycol diester by the reaction of a conjugated diene compound, a carboxylic acid and molecular oxygen in the presence of a solid catalyst. For example, 1,4-diacetoxy-2-butene is prepa...
09/30/1980
4221916Oxidative esterification process
Saturated vicinal esters produced by reacting olefins with carboxylic acid and anhydrides thereof in the presence of oxygen and a vanadium- or ruthenium-containing catalyst....
09/09/1980
1    
 
Sign InRegister
Username  
Password   
forgot password?