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| Number | Title | Issue Date |
| 4053434 | Exhaust gas conversion catalyst A porous catalytic composite is provided which is effective for the simultaneous conversion of nitrogen oxides, carbon monoxide and hydrocarbons in engine exhaust gases. The composite comprises at least two physically separate but contiguous components. T... | 10/11/1977 |
| 4052302 | Process of forming catalytic surfaces for wet oxidation reactions A wet oxidation process for oxidizing waste materials comprising dissolving a ruthenium salt in a reactant feed stream containing the waste materials, introducing the feed stream into a reactor, heating the reactor contents to an elevated temperature to e... | 10/04/1977 |
| 4051072 | Method for making pellet type catalyst A method for making improved pellet type catalysts utilizing a support material having relatively high alkali metal content, comprising the steps of grinding the support material to the desired size, forming the pellet into the desired shape and size, cal... | 09/27/1977 |
| 4049576 | Platinum-palladium catalyst for selective hydrogenation of aromatics and olefins in hydrocarbon fractions Hydrocarbon fractions boiling between 180° and 600° F. and containing aromatics, olefins, and sulfur and nitrogen compounds are hydrogenated with a platinum-palladium catalyst to reduce the concentration of aromatics and olefins. The catalyst is prepare... | 09/20/1977 |
| 4049583 | Metal oxide catalytic compositions having perovskite crystal structures and containing metals of the platinum group Metal oxides of the type [A11-x A2x ]B'1-y Mey ]O3 having perovskite-type crystal structures in which A1 and A2 are each one or more mono-, di-, or trivalent metals ... | 09/20/1977 |
| 4042614 | Hydrocarbon synthesis from CO and H2 using Ru supported on a titanium oxide A new method for the synthesis of hydrocarbons with chain lengths of from 2 to 10 carbon atoms inclusive and for selective generation of olefinic hydrocarbons in this carbon number range with reduced wax formation, said products being synthesized from CO ... | 08/16/1977 |
| 4039480 | Hollow ceramic balls as automotive catalysts supports A method for producing essentially spherical dry pellets largely comprising combustible materials, a method for using the pellets as cores by uniformly coating them with a ceramic-forming powder and sintering the powder to volatilize the combustible core ... | 08/02/1977 |
| 4028275 | Process for preparing catalytic materials for purifying exhaust gas and catalytic materials prepared thereby A catalyst for purifying exhaust gas may be prepared by a process comprising impregnating a ceramic carrier with an impregnating liquid containing at least one Platinum Group metal compound, at least one organic nitrogen compound and/or at least one organ... | 06/07/1977 |
| 4026823 | Hydrocarbon reforming catalyst and method for preparing same A catalyst composition consisting of elemental nickel, nickel oxide or mixtures thereof on a zirconia carrier and promoted with elemental cobalt, a cobalt oxide or mixtures thereof in which the total content of nickel and cobalt, expressed as oxide, is de... | 05/31/1977 |
| 4021372 | Catalyst for reducing oxides of nitrogen in the exhaust gas from internal combustion engines and process for making the catalyst The catalyst comprises a catalytic surface of one or more metallic oxides formed on a substantially rigid, reticulated support or substrate of a tough, strong metal or metal alloy having a melting point in excess of about 2,000° F. The oxides are those o... | 05/03/1977 |
| 4020013 | Catalytic composite for treating exhaust gases from an internal combustion engine A catalytic composite of a high surface area refractory inorganic oxide containing rhodium and ruthenium impregnated thereon in a weight ratio of from about 1:1 to about 2:1, said rhodium comprising from about 0.02 to about 0.10 wt. % of said catalytic co... | 04/26/1977 |
| 4006105 | NOx reduction catalyst for internal combustion engine emission control A system for reducing NOx gases found in the exhaust stream of the internal combustion engine is provided which includes an internal combustion engine having associated therewith a means for supplying fuel and oxygen to the engine, a manifold s... | 02/01/1977 |
| 4003933 | Hydrogenation of nitriles in absence of secondary reaction suppressant Nitriles are converted to primary amines in the absence of a secondary amine formation suppressant by hydrogenation of the nitriles in the presence of a catalyst comprising at least one Group VIII metal promoted by at least one Group IVB metal. The proces... | 01/18/1977 |
| 3998759 | Method of catalyst manufacture A method of impregnating a catalytic component on the outer surface of a carrier material is presented. The carrier material is commingled with a common solution of a precursor compound of a catalytically active metallic component and a sulfur-containing ... | 12/21/1976 |
| 3985681 | Catalyst for the oxidation of ammonia There are provided oxidation catalysts having a specific surface ranging m 12 to 100 m2 /g and containing as their main constituent either an oxide of cobalt or an oxide of bismuth. The catalysts further contain a promoter in the form of a rar... | 10/12/1976 |
| 3984353 | Method for preparing oxygen compounds of antimony with metals This invention relates to the method for preparing oxygen compounds of antimony with metals. According to the invention, the method for preparing oxygen compounds of antimony with metals consists in oxidation of antimony trioxide by hydrogen peroxide at a... | 10/05/1976 |
| 3977962 | 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 resulting product will be suitable for further processing ... | 08/31/1976 |
| 3972829 | Method of depositing a catalytically active metallic component on a carrier material A method is disclosed for effecting a uniform distribution of catalytically active metallic component over substantially all of the available surface area of a carrier material in a crystallite size of less than about 25 Angstroms. The innovative feature ... | 08/03/1976 |
| 3966639 | Amphora aggregates Hard, rounded aggregates are produced by preparing droplets of a slurry consisting of suspending liquid containing distinct particles of a solid and dropping the droplets of the slurry onto a bed of particles under conditions where the suspending liquid o... | 06/29/1976 |
| 3965046 | Process of making metal powders and products produced thereby This invention relates to a process for making metal-bearing powders from the decomposition of organometallic salts, e.g. the thermal reduction of metal oxalates to metal. It has been discovered that improved properties can be achieved in metal particles ... | 06/22/1976 |
| 3962139 | Catalyst preparation Powdery alloys of two or more metals, as well as of alloys distributed in finely divided state over a carrier material, e.g., catalysts consisting of an alloy of two or more metals, are obtained by adding one of the metals as a powder or in finely divided... | 06/08/1976 |
| 3956190 | Hydrocarbon conversion catalyst Hydrocarbon materials are converted to useful products by contacting the same at elevated temperatures with a catalyst comprising a refractory support in association with greater than 0.1 wt. % of iridium, osmium, ruthenium or rhodium. The catalyst metal,... | 05/11/1976 |
| 3953368 | Polymetallic cluster compositions useful as hydrocarbon conversion catalysts Compositions comprising iridium and at least one additional metal, preferably platinum, are disclosed in which the iridium and the additional metal or metals are present on a refractory support as highly dispersed polymetallic clusters. The metallic atoms... | 04/27/1976 |
| 3945948 | Catalyst and the process for preparing it This invention relates to catalysts for use in the control of atmospheric pollution. The catalysts of the present invention are especially useful in the purification of exhaust gases from internal combustion engines and comprise oxidised ruthenium or ruth... | 03/23/1976 |
| 3940348 | Reaction catalyst for the elimination of oxyhydrogen gas in lead-acid storage batteries A reaction catalyst for the recombination of the oxyhydrogen gas produced by lead-acid storage batteries into water in a controlled, exothermic reaction, where the catalyst element is a solid rod element with a central heat conducting core, the catalyst r... | 02/24/1976 |
| 3931054 | Method of catalyst manufacture A method of impregnating a catalytic component as a subsurface layer on a carrier material. The carrier material is immersed in an impregnating solution containing a catalytic component and a dibasic carboxylic acid, with a sulfur-containing carboxylic ac... | 01/06/1976 |
| 3931051 | Catalyst for the oxidation of ammonia There is provided a catalyst for the oxidation of ammonia for the production of nitrogen oxides consisting of a gauze packet of platinum-rhodium alloy and non-noble metal alloys in which at least a part of the individual gauzes of the gauze packets contai... | 01/06/1976 |
