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| Number | Title | Issue Date |
| 4176234 | Process for the oxidation of olefins to aldehydes and acids The process comprises the vapor phase oxidation of lower molecular weight olefins to the corresponding unsaturated aldehydes and unsaturated carboxylic acids in the presence of a catalyst comprising the oxides of iron, bismuth, molybdenum and at least one... | 11/27/1979 |
| 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 |
| 4167494 | Production of unsaturated nitriles using catalysts containing boron, gallium or indium Certain catalysts containing iron and molybdenum plus bismuth or tellurium and nickel, cobalt, manganese, magnesium, zinc, cadmium, calcium or beryllium have been found to give especially large volumes of acrylonitrile or methacrylonitrile in a given time... | 09/11/1979 |
| 4162234 | Oxidation catalysts Catalysts containing iron, bismuth, molybdenum plus nickel, cobalt, magnesium, zinc, cadmium, strontium or calcium are promoted with yttrium, zirconium, silver, sulfur, cerium, thorium, praseodymium, ruthenium, gallium, niobium, germanium, chromium, tin, ... | 07/24/1979 |
| 4155920 | Synthesis of maleic anhydride Maleic anhydride is produced by the oxidation of 1,3-butadiene, n-butylenes, crotonaldehyde and furan with molecular oxygen in the vapor phase in the presence of catalytic oxides of antimony, molybdenum, at least one element selected from the group consis... | 05/22/1979 |
| 4150246 | Homologation of alkanols This invention provides an improved process for converting methanol into ethanol and ethanol precursors with higher efficiency than prior art methods. This invention further provides a novel heterogeneous co-catalyst system adapted for alkanol homologatio... | 04/17/1979 |
| 4149996 | Dehydrogenation catalyst Magnesium chromites promoted with aluminum have been found to be superior to chromia-alumina type dehydrogenation catalysts, for example, in the dehydrogenation of n-butane. The aluminum is either added to the preformed magnesium chromite or is incorporat... | 04/17/1979 |
| 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 |
| 4138366 | Process for producing unsaturated aliphatic acids and catalysts therefore 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 ... | 02/06/1979 |
| 4129523 | Catalysts containing active metallic copper A catalyst containing metallic copper, especially a low temperature shift catalyst containing also zinc oxide, is made from a corresponding catalyst precursor by reduction in two stages. In the first stage a steam and/or CO2 -diluted reducing g... | 12/12/1978 |
| 4122110 | Process for manufacturing alcohols, particularly linear saturated primary alcohols, from synthesis gas Alcohols, particularly linear saturated primary alcohols, are manufactured from CO and H2 in the presence of a catalyst comprising at least 4 essential elements, copper, cobalt, a third metal selected from chromium, iron, vanadium and manganese... | 10/24/1978 |
| 4107089 | Catalyst for the synthesis of methanol and method for preparing same A catalyst for the synthesis of methanol which contains an oxide of one or more metals of Group VI, chromium subgroup, of the periodic system, copper oxide, zinc oxide and an oxide of one or more hardly reducible metals of Group II-III of the periodic sys... | 08/15/1978 |
| 4105590 | Catalysts and the process for their production A catalyst is described capable of inducing reduction in nitrogen oxide pollutants of exhaust gases from internal combustion engines and industrial plants. The catalyst composition is formed from a mixture of catalytically active aluminum oxides and a mix... | 08/08/1978 |
| 4101448 | Catalyst compositions especially useful for preparation of unsaturated acids The present invention relates to a catalyst composition consisting of oxide complexes of vanadium, molybdenum and germanium plus an additional oxide selected from the group consisting of iron, nickel, thallium, phosphorus, indium, bismuth and the rare ear... | 07/18/1978 |
| 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 |
| 4086264 | Self supported skeletal metal catalysts and process for producing them Supported fibrous skeletal metal catalysts and methods of producing such catalysts are described. The catalysts are produced by directionally solidifying a eutectic composition to produce a microstructure consisting of oriented intermetallic single crysta... | 04/25/1978 |
| 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 |
| 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 |
| 4059628 | Preparation of aromatic amines Aniline and alkyl anilines are obtained by the reaction of anhydrous ammonia with cyclohexane or cyclohexane having up to two lower alkyl substituents at elevated temperatures, such as 300-650° C, in the presence of selected catalysts such as zinc oxide ... | 11/22/1977 |
| 4056490 | Dehydrogenation process and catalyst Magnesium chromite dehydrogenation catalyst are improved by preparation in oxygen deficient or essentially inert calcination atmospheres and in the presense of halogen, either singularly or in combination.... | 11/01/1977 |
| 4052418 | Preparation of maleic anhydride from four-carbon hydrocarbons Catalysts comprising the combined oxides of vanadium and at least one element selected from the group consisting of boron, niobium, tantalum, antimony, tungsten and chromium have been found to be especially effective in the oxidation of n-butane, n-butene... | 10/04/1977 |
| 4042533 | Producing unsaturated aliphatic acids The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefor, by the vapor phase oxidation of the corresponding unsaturated aliphatic aldehydes with molecular oxygen, optionally in the presence of ... | 08/16/1977 |
| 4039302 | Process and catalyst for synthesizing low boiling (C1 to C3) aliphatic hydrocarbons from carbon monoxide and hydrogen Low boiling (C1 to C3) aliphatic hydrocarbons are obtained by passing a mixture of hydrogen and carbon monoxide at a volume ratio of about 45:55 to 60:40 at a temperature between about 350° and about 500° C. and a pressure of about... | 08/02/1977 |
| 4035418 | Process for producing unsaturated aldehydes and unsaturated carboxylic acids An olefin having 4 carbon atoms or t-butyl alcohol is catalytically oxidized in the gas phase with molecular oxygen at 200° to 450° C to give the corresponding unsaturated aldehyde, unsaturated carboxylic acid and/or conjugated diene in the presence of ... | 07/12/1977 |
| 4014925 | Process for preparing methyl acrylate or mixtures of methyl acrylate and acrylic acid Methyl acrylate or a mixture of methyl acrylate with acrylic acid are prepared by passing through a fluidized bed of catalyst a gaseous mixture comprising acrolein, methanol and oxygen fed at the bottom of the catalytic bed. A further amount of methanol i... | 03/29/1977 |
| 4003978 | Method for treating ammonia-containing gases A method for treating ammonia-containing gases for removing ammonia therefrom, which comprises contacting the ammonia-containing gases with a metal oxide catalyst having the following formula: wherein Cr is chromium; A is at least one element selected from the... | 01/18/1977 |
| 4001317 | Process for the oxidation of olefins using catalysts containing various promoter elements The present invention is a process for the oxidation of olefins to unsaturated aldehydes and acids using a catalyst containing iron, bismuth, molybdenum plus at least one of nickel, cobalt, magnesium, zinc, cadmium or calcium and according to the inventio... | 01/04/1977 |
| 3998758 | Supported catalyst A novel supported catalyst is described. The catalyst contains (a) a ceramic sponge support having internal surfaces comprised of the walls of cavities randomly dispersed throughout the sponge support and the walls of intersticial passageways connecting s... | 12/21/1976 |
| 3968054 | Catalyst for the oxidation of butane to maleic anhydride A catalyst comprising SB-Ni-Mo has been found to be very selective, stable and long-lasting in the conversion of butane to maleic anhydride. Other metals such as Co, Cu, or Zn may be substituted for Ni with like results. An improved method for preparing t... | 07/06/1976 |
| 3968166 | Catalytic process for the preparation of acrolein A process for the preparation of acrolein by the vapor phase catalytic oxidation of propylene which comprises contacting propylene and oxygen with a catalyst composition comprising a catalyst system of the formula: Wherein X is one or more of Mg, Mn and Co, Y ... | 07/06/1976 |
| 3965044 | Method of metal chromite preparation Metal chromite dehydrogenation catalysts are made by preparing an aqueous solution of CrO3, dissolving a second metal compound, such as MgO, therein adding a reducing agent, precipitating a substantially insoluble oxide of Mg and Cr, recovering... | 06/22/1976 |
| 3960975 | Magnesium chromite dehydrogenation catalyst Magnesium chromites promoted with aluminum have been found to be superior to chromia-alumina type dehydrogenation catalysts, for example, in the dehydrogenation of n-butane. The aluminum is either added to the preformed magnesium chromite or is incorporat... | 06/01/1976 |
| 3956377 | Production of unsaturated acids from the corresponding aldehydes Coated catalysts having an inert support material with an outer surface and a coating of active catalyst containing tungsten, vanadium and molybdenum plus optionally one or more of Fe, Mn, Cu, Sn, Sb, Cr, Ce, U, Co, Ni, Zn, Mg or mixture thereof have been... | 05/11/1976 |
| 3932551 | Process for the preparation of diolefins from olefins Catalysts containing molybdenum, bismuth, iron and nickel, cobalt, magnesium, zinc, cadmium, manganese, calcium or mixture thereof are promoted by chromium, tellurium, germanium, tungsten, manganese, thorium, niobium, praseodymin, cerium, lanthanum, zinc ... | 01/13/1976 |
| 3931052 | Alumina-supported catalyst for residua demetalation and desulfurization This disclosure concerns the demetalation and desulfurization of metal and sulfur containing petroleum oils, preferably those containing residua hydrocarbon components, through the use of a catalyst comprising a hydrogenating component composited on a ref... | 01/06/1976 |
