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4028274 |
Support material for a noble metal catalyst and method for making the same
A support material for platinum, platinum alloys, or other noble metal catalyst, is made from carbon particles by heat treating the carbon until it is at least partially graphitized, depositing a...
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4005031 |
Nickel peroxide oxidizing agent
Nickel peroxide on a fine, free-flowing carrier, which is formed by treating nickel oxide, deposited on the carrier, with an alkali hypohalite or alkali persulfate in an aqueous alkaline medium,...
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4005143 |
Process for manufacturing aromatic diamines
Aromatic diamines having the formula ##STR1## wherein R is alkyl or alkoxy having up to 6 carbon atoms are prepared by treating dinitro compounds having the formula ##STR2## wherein R is as...
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4003850 |
Novel iron oxide catalysts
Iron oxide catalysts prepared by absorbing iron pentacarbonyl upon a suitable support followed by oxidation to iron oxide.
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3997473 |
Hydrodesulfurization catalysts supported on carbon
A hydrodesulfurization catalyst consisting essentially of a carbon support carrying thereon at least 10 and up to 20 weight percent of a first metal selected from tungsten and molybdenum and from...
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3996165 |
Process for preparing platinum metal catalysts
Novel platinum catalysts and a method for their preparation are disclosed. They are prepared by treating catalysts of platinum metal with salts of sulfurous acid or with sulfur compounds which...
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3991127 |
Production of saturated aliphatic alcohols
Production of saturated aliphatic alcohols by continuously contacting olefinically unsaturated aliphatic aldehydes with hydrogen in a single stage at elevated temperature in the presence of...
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3979329 |
Carbon molecular sieve catalyst
A method of preparing a selective catalyst which includes the steps of polymerizing furfuryl alcohol in an acidic solution of a platinum salt, curing the polymer and carbonizing the same, the...
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3977961 |
Heavy crude conversion
This invention relates to novel catalysts, of two distinct types, useful for the catalytic hydroconversion of the 1050°F.+ hydrocarbon material contained in heavy crudes and residua such that the...
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3978000 |
Catalysts based on carbon supports
Carbon particulates comprising carbon black spheres and a carbon binder having large pores as well as desirable pore size distribution are disclosed which serve as catalyst supports. The support...
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3933684 |
Method of forming palladium oxide and palladium particles
This disclosure deals with a novel catalytic structure embodying palladium metal particles (and in some instances palladium and gold metal particles) in the approximately 20-40 Angstrom size range...
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3925252 |
Catalyzer apparatus and method for the production thereof
A catalyzer apparatus for holding particles of a catalyzers and method for the production thereof, adapted for exhaust gas purification in an internal combustion engine. The catalyzer particles are...
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3922303 |
Process for the production of tertiary amines having higher alkyl group
The transalkylation reaction between a hydroxy compound having a higher alkyl group and a tertiary amine having a lower alkyl group to substitute a higher alkyl group for said lower alkyl group of...
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3920743 |
Process of preparing aromatic amines
Sulfided platinum on carbon catalysts being useful in the selective hydrogenation of halonitroaromates are obtained by saturating a particulate platinum on carbon catalyst with hydrogen in an...
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3904371 |
Chemiluminescent ammonia detection
Ammonia content of a gaseous mixture is determined by converting the ammonia to nitric oxide and measuring the nitric oxide. A gaseous mixture sample is passed through a heated mixture of oxides of...
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3897499 |
Hydrogenation of chloronitrobenzenes using noble metal catalysts treated with a sulfoxide and a hydrazine
Catalysts of noble metals on activated carbon are subjected to the action of a sulfoxide together with hydrazine or its derivatives. The catalysts are particularly useful in the selective...
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3892818 |
Catalytic conversion of hydrocarbon chlorides to hydrogen chloride and hydrocarbons
The present invention relates to a process for the conversion of hydrocarbon chlorides in the presence of hydrogen to hydrocarbons and hydrogen chloride wherein the process takes place in the...
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3833357 |
A PROCESS FOR DECOMPOSING ALKALI METAL AMALGAMS INTO MERCURY, HYDROGEN AND ALKALI METAL HYDROXIDE SOLUTIONS
Graphite impregnated with at least one valve metal oxide such as zirconium oxide, tantalum oxide, titanium oxide, aluminum oxide or molybdenum oxide alone or optionally co-deposited with an oxide...
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3803054 |
PROCESS FOR PREPARING SULFITED PLATINUM ON CARBON CATALYSTS
Sulfited platinum on carbon catalysts being useful in the selective hydroation of halonitroaromatic compounds are obtained by saturating a particulate platinum on carbon catalyst with hydrogen in...
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3671591 |
DEHYDROGENATION OF ALCOHOLS TO KETONES
A Group VIII metal containing pyrolyzed polyacrylonitrile polymer catalyst and hydrocarbon conversion process for the dehydrogenation of alcohols to ketones particularly isopropyl alcohol to...
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3671597 |
ISOMERIZATION PROCESS EMPLOYING A NOVEL HETEROGENEOUS CATALYST
Aliphatic and cyclic mono-olefins, diolefins, and polyolefins are isomerized by contacting an organic feed containing said olefinic compounds with a heterogeneous conversion catalyst prepared by...
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3663166 |
PLATINUM CATALYST FOR THE PRODUCTION OF HYDROXYLAMINE
Improved platinum catalyst with high life period, activity and selectivity for the production of hydroxylammonium salts by the reduction of nitric oxide with hydrogen, the catalyst being obtained...
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3617481 |
COMBINATION DEASPHALTING-COKING-HYDROTREATING PROCESS
A heavy hydrocarbon residuum is hydrotreated or deasphalted to form a heavy bottoms fraction in which the metals are concentrated. The high-metals fraction is coked to form coke containing the...
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3607211 |
SOIL MICRONUTRIENT PRODUCT
A soil micronutrient product prepared from petroleum coke by oxidizing said coke with oxygen in the presence of water followed by contacting with a metal or ammonium containing cation solution to...
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3546103 |
HYDROGENATION CATALYSTS ON CHARCOAL IN GUARD CHAMBER FOR REMOVING METALS FROM PETROLEUM RESIDUA
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3546297 |
PROCESS FOR PREPARATION OF AROMATIC CHLOROAMINES
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3538019 |
NICKEL PHOSPHATE-PROMOTED SUPPORTED NICKEL CATALYST
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3514493 |
PROCESS FOR THE DIMERIZATION OF PRIMARY AND SECONDARY ALCOHOLS
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3498749 |
PRODUCTION OF METAL CARBONYLS AND CARBON BLACK
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3499034 |
HYDROGENATION OF AROMATIC NITRO COMPOUNDS
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3496168 |
4-ALKOXYESTRADIOLS
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3458576 |
REDUCTION OF ARYLNITROALKENES
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3457187 |
HYDROGENATION CATALYST
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3446607 |
IRIDIUM COATED GRAPHITE
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3440181 |
METAL COATED VERMICULAR EXPANDED GRAPHITE AND POLYMER COMPOSITION CONTAINING SAME
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3414616 |
Carbon catalysis of condensation of carbonyl compounds and amines
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3409684 |
Partial hydrogenation of aromatic compounds
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3409703 |
Process for preparing olefin hydrocarbons for detergent use
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3404182 |
Process for the preparation of cyclohexanoneoxime
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3383406 |
Process for producing vinyl esters
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3378590 |
Production of aldehydes and/or alcohols from compound having olefinic double bonds
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3364074 |
Simultaneous catalysis and wetproofing of carbon-containing electrodes and electrodeproduced thereby
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3358044 |
Method for preparing phenol-type compounds employing an improved catalyst
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3356756 |
Polymerization process and cobalt oxide on carbon catalyst therefor
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3355490 |
Process of manufacturing cyclohexylamines
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3352913 |
3-aminomethyl-3, 5, 5-trialky-1-cyclohexylamine and cyclohexanol compounds
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3352938 |
Olefin double-bond isomerization using a mixture of platinum group metals as a catalyst
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3347921 |
Preparation of anilines from oxygenated cyclohexanes
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3344085 |
Process for the preparation of sintered metallic oxide catalyst pellets
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3342881 |
Method for the preparation of fluorine derivatives of halogenated hydrocarbons
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