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| Number | Title | Issue Date |
| 5545602 | Catalyst with specified pore size distribution Heavy hydrocarbons are hydrotreated to increase content of components boiling below 1000° F. by contact with Group VIII non-noble metal oxide and Group VI-B metal oxide on alumina having a Total Surface Area of 150-240 m2 /g, a Total Pore Volu... | 08/13/1996 |
| 5525567 | Catalytic composition and olefin disproportion process The invention concerns a catalytic composition for olefin disproportion (also known as metathesis) produced by dissolving a tungsten and/or molybdenum compound, more particularly a tungsten and/or molybdenum halide substituted with one or more phenoxo gro... | 06/11/1996 |
| 5476828 | Catalyst and catalytic reduction A catalyst for the selective reduction of nitric oxide NO in flue gas to nitrogen using ammonia NH3 comprises oxidatively heat treated manganese oxide loaded on a porous substrate of gamma-alumina or titania- or titania-/WO3 -modifie... | 12/19/1995 |
| 5472928 | Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed This invention makes possible substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed to fill substantially the entire volume of a reactor vessel by introducing the fluids as alternate an... | 12/05/1995 |
| 5459118 | Hydrotalcite-containing catalyst composition Hydrodesulfurization of a cracked naphtha is effected in the presence of, as catalyst, an alkali metal, a metal of Group VIII, and a metal of Group VI-B on an alumina support containing a hydrotalcite-like composition.... | 10/17/1995 |
| 5446003 | Production of supported particulate catalyst suitable for use in a vapor phase reactor An improved technique is provided for the expeditious formation of a supported catalyst suitable for use in a vapor phase chemical reaction wherein the catalyst is provided as discrete particles. The support need not be capable of withstanding a highly el... | 08/29/1995 |
| 5446002 | Resid hydroprocessing catalyst 2,4-Heteroatom-substituted-molybdena-3,3-dioxocyclopentane hydro-conversion catalysts are disclosed. In some embodiments, inexpensive bulk catalysts in accordance with the present invention are synthesized from bulk triglyceridic epoxides or fatty acids.... | 08/29/1995 |
| 5409681 | Catalyst for purifying exhaust gas A catalyst for purifying an exhaust gas includes a first component having activity for reducing nitrogen oxides with ammonia and a second component having at least one of activity for forming nitrogen oxide from ammonia and activity for forming carbon dio... | 04/25/1995 |
| 5364827 | Composition comprising magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older ca... | 11/15/1994 |
| 5364825 | Multimetal oxide compositions and process of preparing same Multimetal oxide compositions of the formula I [X1a X2b Ox ]p [X3c X4d X5e X6f X7g X... | 11/15/1994 |
| 5296437 | Catalyst for metathesis reactions of olefines and a method for preparing it as well as the metathesis reaction concerned The invention relates to a catalyst to be utilized in the metathesis reactions of olefines, the catalyst comprising an after-treated tungsten complex containing diol ligands and hydrocarbon ligands, which are benzenes substituted with a lower alkyl group.... | 03/22/1994 |
| 5286698 | Metal oxide catalysts Solid oxide solutions of the formula La1-x Srx CrO3-.differential. have been found to exhibit surprisingly high specific activity as catalysts for oxidation and hydrogenation reactions. The oxide solutions can be utilized ... | 02/15/1994 |
| 5236881 | Coal extract hydrocracking catalyst A coal extract hydrocracking catalyst having particular utility in a two stage coal extracting process which has a first liquid hydrogen donor solvent oil extraction stage and a second stage comprising catalytic hydrocracking of the extract. Desired level... | 08/17/1993 |
| 5227358 | Composition having strong air cleaning ability and method of preparing same A composition having a strong air cleaning ability, comprising co-existent products comprised of a reaction product of at least one metal selected from Fe, Mn, Cr, Ni, Zn, Al and Cu and alloys containing these metal elements with tannic acid and/or gallic... | 07/13/1993 |
| 5221656 | Hydroprocessing catalyst A hydroprocessing catalyst and process of using such catalyst wherein such catalyst has at least one hydrogenation metal deposited on an inorganic oxide support and is further characterized by a surface area of greater than about 220 m2 /g, a p... | 06/22/1993 |
| 5139982 | Supported metal oxide catalysts for the simultaneous removal of NOx and SOx from gas streams This invention describes the preparation and use of metal oxide catalysts supported on titanium dioxide, hydrophobic or polymeric substrates for the removal of NOx and SOx from gas streams such as flue gases and combustion exhaust ga... | 08/18/1992 |
| 5096868 | Catalyst composition for polymerizing alpha-olefins and alpha-olefins polymerization therewith A supported catalyst for polymerizing 1-olefins, for example, ethylene, is prepared by depositing a chromium compound and a titanium compound on a refractory oxide support which is substantially non-spherical, and which has a relatively broad particle siz... | 03/17/1992 |
| 5084257 | Sulfur dioxide removal from stack gas A process for the removal of sulfur dioxide from gasses produced by processes resulting in off gases at elevated temperatures as in the combustion of sulfur containing fuels such as coal and fuel oil by contacting the gasses with a composition including a... | 01/28/1992 |
| 5051156 | Electrocatalyst for the oxidation of methane and an electrocatalytic process An electrocatalytic process for the partial oxidation of methane employs an electrocatalyst in the form of a deposit catalyst comprising an electrode having a conducting catalyst layer deposited thereon. The catalyst comprises an element selected from the... | 09/24/1991 |
| 5047379 | Cocondensation of metal oxides in organic solvents for deposition on solid supports Metal oxide catalysts having one or more metal oxides covalently or non-covalently bound to or entrapped on a solid phase support wherein the metal oxide catalyst is prepared by evaporation and cocondensation in a suitable organic solvent are disclosed. M... | 09/10/1991 |
| 5036037 | Process of making catalysts and catalysts made by the process Process for producing catalysts for use within hydrogenation, oxidation, dehydration or dehydrogenation processes comprising oxides, in pure or mixed form, or being applied as mixed crystal systems, made of nickel, cobalt and molybdenum, vanadium, tungste... | 07/30/1991 |
| 5008234 | Process for the preparation of catalytic metal clusters Compositions of matter useful as catalysts in heterogeneous reactions and comprising metal atom clusters supported on inorganic supports such as silica, alumina or zeolites are prepared by vaporizing the metal at low temperatures and pressures into an env... | 04/16/1991 |
| 5003107 | Catalytic method for the reductive amination of poly(oxytetramethyle) glycols Poly(oxytetramethylene) diamines useful in the preparation of polyamide and polyurea elastomers are prepared by the catalytic reductive amination of a poly(oxytetramethylene) glycol feedstock under reductive amination conditions in the presence of ammonia... | 03/26/1991 |
| 4980332 | Method of making inorganically crosslinked layered compounds The instant invention relates to a method for converting phosphorus containing polymers from a two dimensional, layered structure into a three dimensional structure by crosslinking such layers. The method and the resulting crosslinked polymers may be used... | 12/25/1990 |
| 4950383 | Process for upgrading shale oil A process for hydrocracking a hydrocracking feedstock with hydrogen at hydrocracking conversion conditions which comprises contacting the feedstock with a first catalyst comprising a nickel component, a molybdenum component and a phosphorus component depo... | 08/21/1990 |
| 4943383 | Novel lubricant epoxides Epoxy functionalized polyalpha-olefin lubricants compositions are prepared with superior properties by epoxidizing the olefinic bond of oligomers prepare by oligomerizing C6 -C20 alpha-olefins with reduced valence state chromium cata... | 07/24/1990 |
| 4925823 | Process and catalyst for the preparation of methacrylic acid Oxidation catalysts of the general formula Mo12 Pa Wb Sbc Asd Cue Xf Ox where X is Nb, Fe, Mn, Sn and/or Cr, a is 0.1-3, b is 0.1-4, c is | 05/15/1990 |
| 4912077 | Catalytically active materials and method for their preparation This invention is directed to the preparation of articles exhibiting catalytic activity and, in particular, to articles which are exceptionally suitable for catalytically converting gases from organically fueled power plants, internal combustion engines, ... | 03/27/1990 |
| 4910181 | Hydrogen bronze catalyst for demetallizing petroleum resids The catalyst composition comprises a layered metal oxide and/or sulfide of a metal selected from the group consisting of Group VB and VIB metals and containing inserted atomic hydrogen therein, with no chemical bond between said atomic hydrogen and anioni... | 03/20/1990 |
| 4908344 | Hydroprocessing catalyst and support having bidisperse pore structure A catalyst support is made with a bidisperse micropore size distribution. One region has small micropores with an average pore diameter of less than 100 Angstrom units. The other region has large micropores with an average pore diameter which is between 1... | 03/13/1990 |
| 4906448 | CO+H2 O catalytic conversions Carbon monoxide is reacted with water vapor and converted into hydrogen and carbon dioxide, in the presence of a thio-resistant catalyst which comprises an active phase deposited onto a support, said active phase comprising molybdenum, vanadium or tungste... | 03/06/1990 |
| 4888317 | Catalyst-agglomerate bodies encapsulated in a structure and method for their production A structure with encapsulated catalyst-agglomerate bodies which are integral to a porous structure is presented. The catalysts may be singly and/or multiply dispersed on and/or throughout a high surface area material and subsequently mixed with batch mate... | 12/19/1989 |
| 4886582 | Resid hydroprocessing catalyst and method of preparation A catalyst useful for hydroprocessing a hydrocarbon-containing oil contains at least one hydrogenation component on an amorphous, porous refractory oxide. The catalyst is prepared by impregnating support particles having a narrow pore size distribution an... | 12/12/1989 |
| 4853357 | Olefin oxidation catalyst system The additional of redox-active metal components and ligands, alternatively or simultaneously, results in increased conversion and selectivity in the palladium-catalyzed oxidation of olefins to carbonyl products in the presence of polyoxoanions. In preferr... | 08/01/1989 |
| 4853358 | Method of making inorganically crosslinked layered compounds The instant invention relates to a method for converting phosphorus containing polymers from a two dimensional, layered structure into a three dimensional structure by crosslinking such layers. The method and the resulting crosslinked polymers may be used... | 08/01/1989 |
| 4842832 | Ultra-fine spherical particles of metal oxide and a method for the preparation thereof Ultra-fine spherical particles of a metal oxide having an average particle diameter of 40 nm or smaller can be prepared by a method in which a vaporizable metal compound is vaporized and decomposed under heating to give ultra-fine particles of a metal oxi... | 06/27/1989 |
| 4827073 | Process for manufacturing olefinic oligomers having lubricating properties A process for oligomerizing alpha olefin to produce lubricant range hydrocarbon stock including the step of contacting said alpha olefin with a supported solid reduced Group VIB (e.g., chromium) catalyst under oligomerization conditions at a temperature o... | 05/02/1989 |
| 4806427 | Process for the production of catalysts for the reduction of nitrogen oxides from exhaust gases and similar chemical air cleaning processes The invention relates to a process for the production of catalysts for the reduction of nitrogen oxides from exhaust gases and similar chemical air cleaning processes, in which a catalytically active material is deposited and bonded on a carrier made of m... | 02/21/1989 |
| 4783545 | Method for ammoxidation of paraffins and catalyst system therefor Ammoxidation of C3 to C5 acyclic alkanes with NH3 and O2 using (1) a mole ratio of alkane:NH3 in the range from 2 to 16 and a mole ratio of alkane:O2 in the range 1 to 10 and (2) a mixture ... | 11/08/1988 |
| 4760045 | Catalyst for hydrotreatment of heavy oils and method for its preparation The present invention provides a catalyst for hydrotreatment of heavy oils in which at least one active metal component for hydrogenation selected from the Groups Vb, VIb and VIII of the periodic table is supported in a porous refractory carrier, the cata... | 07/26/1988 |
