Class 502/316 - Iron containing

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which the Group VIII metal is element number
No. of patents: 236
Last issue date: 12/23/2008

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Number	Title	Issue Date
4309361	Ammoxidation of olefins with novel antimonate catalysts Oxide complex catalysts comprising Fe-Sb-Bi-Ox promoted with a wide variety of different elements have been found to be especially useful in the ammoxidation of olefins to nitriles such as acrylonitrile and methacrylonitrile. Not only are the d...	01/05/1982
4305846	Solution preparation A solution containing nitrates of iron and chromium is produced by reacting metallic iron or an iron alloy with nitric acid in the presence of a hexavalent chromium compound. The solution is the starting material for making an iron-chrome oxide catalyst f...	12/15/1981
4299685	Hydrocracking of heavy oils/fly ash slurries An improved process is described for the hydrocracking of heavy hydrocarbon oil, such as oils extracted from tar sands. The charge oil in the presence of an excess of hydrogen is passed through a tubular hydrocracking zone, and the effluent emerging from ...	11/10/1981
4285838	Method of producing plate-shaped catalyst unit for NOx reduction of exhaust gas The present invention relates to a method of producing a plate-shaped catalyst unit for NOx reduction of exhaust gas, wherein molten metal is sprayed upon surfaces of a metal plate allowing the molten metal to accumulate thereon to form rough surfaces, an...	08/25/1981
4271044	Carrier matrix for catalysts and process for its production Monolithic carrier matrixes are formed from high grade steel, consisting of alternating smooth and corrugated layers of sheet metal and/or screen cloth, which may be combined with layers of smooth screen cloth or of smooth or corrugated sheet metal, where...	06/02/1981
4268488	Process for the catalytic reduction of nitrogen oxides in gaseous mixtures A process for the reductive removal of a nitrogen oxide from a gaseous stream, particularly a stream containing oxygen, water, sulfur dioxide, nitrogen oxide and nitrogen, by contacting the stream with ammonia in the presence of a mixture of two catalysts...	05/19/1981
4261864	Process for the selective preparation of alpha-olefin from synthesis gas A process for selectively preparing alpha-olefins having from 2 to about 22 carbon atoms by contacting a gaseous mixture containing carbon monoxide and hydrogen with an iron tungstate-alkali metal hydroxide catalyst at reaction conditions correlated so as...	04/14/1981
4257918	Catalyst mixture for the catalytic reduction of nitrogen oxides in gaseous mixtures A physical mixture of a first and second catalyst. The first catalyst comprises copper or a copper compound, preferably copper sulfate supported on a porous carrier material. The second catalyst is a combination of metals or compounds thereof, preferably ...	03/24/1981
4213917	Esterification of aromatic aldehydes Aromatic esters are formed directly from aromatic aldehydes by reacting the aldehyde with molecular oxygen and an alcohol in the presence of a heterogeneous molybdenum oxidation catalyst....	07/22/1980
4212766	Process for forming multi-component oxide complex catalysts In the manufacture of a complex bismuth molybdate catalyst, bismuth molybdate is preformed prior to addition to the other ingredients in the catalyst....	07/15/1980
4170570	Process for preparing oxidation catalysts A process for preparing an attrition resistant molybdenum-containing oxidation catalyst comprising; heat-treating the active catalytic components in an oxidizing atmosphere at a temperature in excess of 175° C.; refluxing the heat-treated oxide catalyst ...	10/09/1979
4148757	Process for forming multi-component oxide complex catalysts Multicomponent complex oxide catalysts based on bismuth molybdate, for example, are made by a technique in which the bismuth molybdate portion of the catalyst is preformed prior to combining with the remaining elements of the catalyst....	04/10/1979
4141861	Gels containing iron and molybdenum An amorphous solid gel containing molybdenum and iron contains (a) ions of a ferric salt and ions from at least one salt containing, as simple cations, a metal M, in an atomic ratio M/ (Fe+M) from 0 to 0.5:1 (b) ions from a molybdic compound and ions from...	02/27/1979
4140749	Method of treating vehicle exhaust gas and catalyst used therein The present invention provides a catalyst for converting the noxous CO, NOx and hydrocarbons found in the exhaust gases from internal combustion engines into less harmful gases, and to the method of treating said exhaust gases. The catalyst con...	02/20/1979
4139497	Dehydrogenation catalyst tablet and method for making same Non-supported, fixed bed catalyst tablets made by spray drying a slurry of the components into microspheres followed by tabletting the microspheres under high pressure in apparatus such as punch and die sets. The catalysts formed according to the process ...	02/13/1979
4138368	Catalyst for reducing nitrogen oxides A catalyst for reducing nitrogen oxides is prepared by shaping into granules a naturally produced inorganic powdery substance composed predominantly of ଱-Fe2 O3 alone or in mixture with one or more of metals selected from Group...	02/06/1979
4097518	Method for the catalytic production of acrylonitrile High-yield catalytic production of acrylonitrile at an elevated temperature, from a reaction mixture containing propylene, ammonia and molecular oxygen, utilizing a catalyst comprising an oxide composition having the empirical formula Moa Co	06/27/1978
4088606	Cobalt base nox reducing catalytic structure 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...	05/09/1978
4085131	Surface treatment Treatment of metals, and other surfaces, with dilute colloidal slightly acidic dispersion of silica. The metals become resistant to chemical attack....	04/18/1978
4085193	Catalytic process for reducing nitrogen oxides to nitrogen A catalyst compositions for reducing nitrogen oxide comprising, as its chief ingredient, an intimate mixture of A. titanium (Ti) as component A, with B. at least one metal selected from the group consisting of molybdenum (Mo), tungsten (W), iron (Fe), vanadium...	04/18/1978
4082802	Process for the preparation of aromatic secondary or tertiary amino compounds Aromatic secondary or tertiary amino compounds of the formula, ##STR1## wherein X is a hydrogen atom, a methyl group or a methoxygroup, and R is a C1 -C4 alkyl group, are produced by reacting hydrogen and an aromatic nitro compo...	04/04/1978
4066530	Hydroconversion of heavy hydrocarbons A catalytic hydroconversion process is effected by reacting with hydrogen a heavy hydrocarbonaceous oil containing a catalyst comprising an iron component and a catalytically active other metal component prepared by dissolving an oil soluble metal compoun...	01/03/1978
4066704	Catalytic oxidation Alkanes are catalytically oxidized in the absence of ammonia by passing a feed gas including the alkane and oxygen at an elevated temperature over a solid catalyst. The partial pressure of the alkane in the feed gas exceeds 0.70 atmospheres absolute. Exam...	01/03/1978
4065468	Manufacture of maleic anhydride from butane Maleic anhydride is produced by the reaction of n-butane with a molecular oxygen-containing gas at an elevated temperature in the presence of a catalyst composed of the combined oxides of the elements antimony, molybdenum and at least one member selected ...	12/27/1977
4064187	Dehydrogenation catalysts Self-regenerative dehydrogenation catalysts containing major proportions of Fe2 O3 and ZnO and lesser amounts of alkali metal chromate and, optionally, cuprous oxide promoters together with a basic potassium-water-gas reaction promot...	12/20/1977
4064073	Catalyst for the purification of the exhaust gases of internal combustion engines New catalysts are described which are useful over a wide temperature range for purifying exhaust gases from internal combustion engines burning gasoline. The new catalysts are of composite form comprising a water-gas type catalyst and at least one platinu...	12/20/1977
4036879	Catalysts for the hydration of nitriles of amides A process for hydrating a nitrile to the corresponding amide by contacting the nitrile in the presence of water with an essentially insoluble heterogeneous catalyst selected from the group consisting of reduced silver oxide, reduced nickel-chromium oxide,...	07/19/1977
4026920	Chromium modified manganese ferrite oxidative dehydrogenation catalysts The presence of 0.05 to 0.4 atom of chromium per atom of manganese in a manganese ferrite oxidative dehydrogenation catalyst improves the yields from oxidative dehydrogenation reactions employing such catalyst. A chromium modified manganese ferrite cataly...	05/31/1977
4021370	Fuel gas production A process is described for the production of methane from methanol by catalytic dehydration and dehydrogenation providing a high initial methane yield and a final substitute natural gas product of high calorific value. The catalytic dehydration and dehydr...	05/03/1977
4021373	Method of preparing a catalytic structure A process for producing a catalyst structure comprised of nickel, chromium and copper and having a stratified surface material formed as a coherent layer on a substrate, said substrate being a nickel- and chromium-containing alloy, comprising: providing a...	05/03/1977
4008179	Catalyst composition A heat treated catalyst composition containing antimony and to which has been added an oxide or compound of molybdenum or tungsten in an amount such as to provide from 0.05 to 1.0 atom % of molybdenum or tungsten present, is further promoted by addition o...	02/15/1977
4000085	Process for manufacturing gels containing iron and molybdenum and the uses thereof Gels containing molybdenum and iron and optionally other metals, are useful in the production of catalysts or as optical filters. They are produced by conducting essentially a solid - solid reaction between a compound of molybdenum, e.g. ammonium molybdat...	12/28/1976
3994831	Metallic catalyst support and catalytic metal coated on same A perforated catalyst support formed in the shape of Lessing ring is disclosed. Also disclosed is a method of converting hydrocarbon waste gas streams which utilizes a catalyst supported on the perforated Lessing ring....	11/30/1976
3984477	Catalyst for production of ଱,ଲ-unsaturated aldehydes A catalyst for preparing ଱,ଲ-unsaturated aldehydes by the gas phase catalytic oxidation of ଱,ଲ-unsaturated hydrocarbons, which catalyst contains as indispensable metal components molybdenum, bismuth and at least one transition meta...	10/05/1976
3983073	Process for preparing a catalyst for the oxidation of methanol to formaldehyde A catalyst active in the oxidation of methanol to formaldehyde is prepared by forming a suspension of an amorphous precipitate by mixing an aqueous molybdate solution with an aqueous solution of a ferric salt, while maintaining an atomic ratio Mo/Fe of at...	09/28/1976
3975302	Supported catalyst for oxidizing methanol to formaldehyde and its manufacturing process Process for manufacturing a supported catalyst whose active phase contains mainly molybdenum and iron by impregnating a carrier with an aqueous solution of alkanolamine and a complex of the active phase elements, drying and thereafter roasting the impregn...	08/17/1976

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Class 502/316 - Iron containing