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8093433 Process for producing alkylbenzene hydroperoxide  
A process for producing an alkylbenzene hydroperoxide from an alkylbenzene solution containing 0.01 to 10 mmol/kg of phenols by subjecting the solution to oxidation with an oxygen-containing gas,...
7741523 Method for oxidizing saturated cyclic hydrocarbons by oxygen  
The present invention relates to a continuous method for oxidizing saturated cyclic hydrocarbons by oxygen to obtain a mixture of hydroperoxides, alcohols and ketones. It relates more particularly...
7692046 Heterogeneous arylalkyl oxidation promoter  
A promoter can have utility in selective heterogeneous oxidation of arylalkyl hydrocarbons such as, for example, cyclohexyl benzene and/or sec-butyl benzene to form hydroperoxides. The promoter can...
7446232 Process for oxidizing alkylaromatic compounds  
In a process for oxidizing alkylaromatic compounds to the corresponding hydroperoxide, an alkylaromatic compound of general formula (I): in which R1 and R2 each independently represents an alkyl...
7053161 Method for producing organic peroxides and their use in the radical polymerization of monomers  
A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous...
6459002 Process for preparing cyclohexanone, cyclohexanol and cyclohexyl hydroperoxide  
Cyclohexanone, cyclohexanol and/or cyclohexyl hydroperoxide are prepared at a high productivity by allowing cyclohexane to be in contact with an oxygen-containing gas using a catalyst comprising a...
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,...
6011183 Process for preparing organic hydroperoxides  
The invention relates to a process for preparing organic hydroperoxides by oxidation of a hydrocarbon feed with molecular oxygen at supercritical conditions, which process is carried out in the...
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...
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...
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...
5475147 Production of tertiary butyl hydroperoxide  
Isobutane containing a significant amount of isobutylene is treated at conditions effective to oligomerize a predominance of the isobutylene, isobutane substantially free of isobutylene is...
5406001 Method for the continuous preparation of a mixture of a cycloalkanone, a cycloalkanol and a cycloalkylhydroperoxide  
The present invention relates to a method for the continuous preparation of a mixture of a cycloalkanone, a cycloalkanol and a cycloalkylhydroperoxide. In the method, a cycloalkane, corresponding...
5399777 Isobutane oxidation  
In the non-catalytic liquid phase oxidation of isobutane, it has been found that the reaction is initiated with 0.05 wt % to 0.08 wt % tertiary butyl hydroperoxide.
5334771 Peroxidation of secondary carbon in alkanes and cycloalkanes  
A secondary carbon atom in an alkane, including alkyl groups attached to aromatic rings, or cycloalkane is peroxidized by molecular oxygen to the corresponding hydroperoxide in the absence of a...
5220075 Initiated peroxidation of secondary carbon in alkanes and cycloalkanes  
A secondary carbon atom in an alkane, including alkyl groups attached to aromatic rings, or cycloalkane is oxidized by molecular oxygen to the corresponding hydroperoxide in the absence of a...
5095143 Method for increasing the efficiency of liquid phase oxidation reactions  
A method to oxidize an oxidizable component in a liquid phase with an oxygen-containing gas is disclosed. The method comprises mixing the liquid phase and gas phase in a reactor with a rotating...
5043481 Cyclohexane oxidation  
The present invention relates to the oxidation of a cycloalkane to produce a product comprised of cycloalkylhydroperoxide with the removal of a vapor stream from the oxidation zone wherein...
5030739 Process for the catalytic oxidation of isoprenoids having allylic groups  
The invention is directed to a process for the catalytic oxidation of an isoprenoid containing at least one allylic hydrogen atom, which process comprises reacting the isoprenoid with oxygen or an...
4962040 2-hydrazono-4,6-dinitrobenzthiazolones useful to form dyestuffs and as color formers for detecting peroxide  
2-Hydrazono-4,6-dinitrobenzthiazolones of the formula ##STR1## in which X1 represents hydrogen, C1 -C4 -alkyl, C1 -C4 -hydroxyalkyl, C1 -C4 -sulphoalkyl or C1 -C4 -sulphatoalkyl, and X2 represents...
4675450 Production of cyclohexyl hydroperoxide  
Production of cyclohexyl hydroperoxide during the cobalt catalyzed oxidation of cyclohexane is enhanced by conducting the oxidation in the presence of a phosphate ester.
4670609 Dihydric phenol recovery process  
An improved process for the manufacture of a dihydric phenol such as hydroquinone wherein a dialkylbenzene is oxidized to a dihydroperoxide, the dihydroperoxide being extracted from the oxidate by...
4658056 Catalytic oxidation of liquid cycloparaffins  
A process for the catalytic oxidation of liquid cycloparaffins to oxidation products thereof is disclosed. In the process, partial oxidation products are formed by oxidizing the cycloparaffin with...
4602118 Liquid phase oxidation of organic compounds to their hydroperoxides  
This invention deals with a process for the production of hydroperoxides from their corresponding hydrocarbons via the use of certain ketones, particularly aryl ketones, generally having strong...
4543427 Preparation of cyclohexanol and cyclohexanone  
Cyclohexanol and cyclohexanone are prepared by treating cyclohexyl hydroperoxide with a supported catalyst containing from 2 to 30% by weight, calculated as cobalt, of cobalt in oxidic form, at...
4508923 Oxidation of hydrocarbons  
There is disclosed an improved process for oxidizing a hydrocarbon to produce a reaction mixture containing the corresponding organic hydroperoxide of said hydrocarbon and decomposing said...
4491674 Process and apparatus for the safe supply of molecular oxygen or of gas containing molecular oxygen to an oxidation of hydrocarbons  
A process for the safe supply of molecular oxygen or gas containing molecular oxygen to an oxidation of hydrocarbons in the liquid phase, wherein, immediately before the point of entry into the...
4487974 Oxidation of cyclohexylbenzene to 1-phenyl cyclohexylhydroperoxide  
A method of preparing 1-phenyl cyclohexylhydroperoxide by contacting a mixture of cyclohexylbenzene, an alkali or alkaline earth metal salt of cumene hydroperoxide, and an alkali or alkaline earth...
4473711 Liquid-phase process for oxidation of tetralin  
1-Tetralone, an intermediate in the production of the insecticide, 1-naphthyl carbamate, is conveniently prepared by a liquid phase oxidation of tetralin in the presence of a novel chromium...
4455440 Method for producing 1,3,5-triisopropylbenzene trihydroperoxides  
In a method for producing 1,3,5-triisopropylbenzene trihydroperoxides by bringing 1,3,5-triisopropylbenzene or its homologs into contact reaction with oxygen or an oxygen-containing gas in the...
4341907 Catalytic oxidation of cycloparaffins  
A process is disclosed for the catalytic oxidation of a cycloparaffin, e.g., cyclohexane, to partial oxidation products thereof, especially for the production of mixtures of cycloalkanols and...
4329514 Method for controlling runaway decomposition in the preparation of hydrocarbon hydroperoxides  
Episodes of accelerated decomposition, or runaway, during the preparation of hydrocarbon hydroperoxides by reaction of hydrocarbons with molecular oxygen at elevated temperature, are brought under...
4282382 Production of cyclohexylbenzene hydroperoxide  
A process for preparation of cyclohexylbenzene hydroperoxide comprising reacting cyclohexylbenzene with oxygen in a diluent consisting essentially of cyclohexane under conditions suitable for...
4239929 Aromatization of dienes in the liquid phase  
Alkyl cyclohexa-1,3-dienes are aromatized with sulfur dioxide and oxygen. Cyclohexa-1,4-dienes are aromatized with sulfur dioxide. Conjugated dienic hydrocarbons, including alkyl...
4197413 Production of 3-methylphenol  
A four-step method for the selective production of the 1,3-isomer of methylphenol comprising the alkylation of toluene with propylene in the presence of a specified type of zeolite alkylation...
4104312 Oxidation of olefins with organometallic complex catalysts  
Organometallic complexes formed between hexaalkylphosphoramides (HAPA) and transition metal salts, including rare earth metals, have been found to be effective catalysts for the oxidation of...
4104310 Organometallic complexes as alkylaromatic oxidation catalysts  
Organometallic complexes formed between dialkylsulfoxides (DASO) and transition metal salts, including rare earth metals, have been found to be effective catalysts for the oxidation of olefins and...
4104311 Organometallic complexes as oxidation catalysts  
Organometallic complexes formed between trialkylphosphates and transition metal salts, including rare earth metals, have been found to be effective catalysts for the oxidation of olefins and...
4089907 Organometallic complexes as oxidation catalyst  
Organometallic complexes formed between tetraalkylureas (TAU) and transition metal salts, including rare earth metals, have been found to be effective catalysts for the oxidation of olefins and...
4080387 Process for concentration of cyclohexane oxidate  
A cyclohexane oxidate containing from about 2% to about 12% cyclohexyl hydroperoxide is modified by the addition of tertiary butyl alcohol. A feedstock containing the cyclohexane oxidate and from...
4055600 Cyclohexane oxidation process  
Aliphatic or cycloaliphatic hydrocarbons (especially cyclyhexane) are oxidized in the liquid phase with an oxygen-containing gas at low conversion in a reactor comprising two contacting...
4036890 Preparation of organic hydroperoxides  
Improvement in the known process for producing organic cyclic hydroperoxides, which process includes oxidizing a compound of the formula ##STR1## wherein Ar is an aromatic or saturated...
4034047 Process for catalytic oxidation of olefins to form hydroperoxides  
Polymeric complexes formed between a thermally-condensed polyacrylonitrile polymer and transition metal salts, including rare earth metals, have been found to be effective catalysts for the...
4028423 Oxidation of aliphatic and alicyclic hydrocarbons  
Copper polyphthalocyanine which has been activated by contact with an aromatic heterocyclic amine to form a novel complex is an effective catalyst for the oxidation of certain aliphatic and...
4028420 Process for the preparation of hex-2-enal  
The rate of palladium catalyzed deperoxidation of cyclohexyl hydroperoxide to form hex-2-enal is increased by carrying out the deperoxidation using an aqueous solution containing both a palladium...
3987115 Production of hydroperoxides  
Method for the production of hydroperoxides of hydrocarbons having no aliphatic or cycloaliphatic tertiary carbon atoms wherein such hydrocarbons are oxidized in the liquid phase with molecular...
3987100 Cyclohexane oxidation in the presence of binary catalysts  
The process of oxidizing cyclohexane to produce cyclohexanone and cyclohexanol in the weight ratio of 0.5 to 1.5 of cyclohexanone to cyclohexanol, said process comprising contacting a stream of...
3957876 Process for the oxidation of cyclohexane  
Preparation of cyclohexyl hydroperoxide substantially free of other peroxides by oxidation of cyclohexane containing a cyclohexane soluble cobalt salt in a zoned oxidation process in which an...
3949004 Hydroperoxide production  
Method for the production of hydroperoxides of hydrocarbon having no aliphatic or cycloaliphatic tertiary carbon atoms, wherein such hydrocarbons are oxidized in the liquid phase with molecular...
3948994 Oxo-and hydroxy-substituted stilbenes  
Bicyclic triolefins are converted to peroxides, alchols and ketones.
Matches 1 - 50 out of 124 1 2 3 >