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| Number | Title | Issue Date |
| 7214822 | Catalyst comprising a support and a catalytically active oxide material applied to the surface of the substrate A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid. ... | 05/08/2007 |
| 7169736 | Catalyst for hydrogenation of unsaturated hydrocarbons A catalyst is described for hydrogenation of unsaturated hydrocarbons, containing catalytically active amounts of Pd and optionally Ag in a support. The catalyst is characterized by the fact that the support represents a shaped body with a trilobal cross section, th... | 01/30/2007 |
| 7141708 | Hollow pellet suitable as carrier of catalysts for selective exothermic reactions A hollow catalyst pellet for use in selective gas phase exothermic reactions in a tubular fixed bed reactor, having a parallelogram shaped external cross-section. ... | 11/28/2006 |
| 7141226 | Light-duty diesel catalysts An oxidation catalyst for a light-duty diesel vehicle comprising a first upstream part (2) and a second downstream part (3) of high heat capacity relative to the first part, each part comprising a substrate and a catalyst support coated thereon. With t... | 11/28/2006 |
| 7005403 | Catalyst comprising a support body and a catalytically active oxide material applied to the surface of the substrate A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid. ... | 02/28/2006 |
| 6784134 | Catalyst for preparation of unsaturated aldehyde and unsaturated carboxylic acid A catalyst suited for catalytic vapor-phase oxidation of isobutylene, t-butanol or propylene to produce respectively corresponding unsaturated aldehyde and unsaturated carboxylic acid is provided. Said catalyst consists of ring-formed shaped bodies composed of (i) a... | 08/31/2004 |
| 6531100 | Photocatalyst-supporting body and photocatalytic apparatus A photocatalyst-supporting body comprises a substrate, a porous layer fixedly disposed on at least one surface of the substrate, and a semiconductor photocatalyst layer deposited on the surface of the porous layer. The porous layer is made of fine particl... | 03/11/2003 |
| 6518220 | Shaped catalysts Shaped catalysts for heterogeneously catalyzed reactions are in the form of hollow cylinders or annular tablets whose end faces are rounded both to the outer edge and to the edge of the central hole, i.e. have no right-angled edges.... | 02/11/2003 |
| 6329315 | Frangible, spray dried agglomerated supports, method of making such supports, and olefin polymerization catalysts supported thereon Frangible, spray dried agglomerate catalyst supports are provided, e.g. of silica gel, which possess a controlled morphology of microspheroidal shape, rough, scabrous appearance, and interstitial void spaces which penetrate the agglomerate surface and are... | 12/11/2001 |
| 6277784 | Metallic catalyst carrier body, especially for small engines, foil assembly structure to be formed into a hollow body and method for manufacturing a metallic catalyst carrier body A metallic catalyst carrier body for the cleaning or treatment of an exhaust-gas flow, in particular of small engines, includes a multiplicity of strip-shaped foils which are joined together in the form of a honeycomb structure. The foils form a foil asse... | 08/21/2001 |
| 6261990 | Composite catalyst for purification of exhaust gas A composite catalyst includes a first catalyst part containing an Ir catalyst and a second catalyst part covering the first catalyst part and containing a perovskite type composite oxide. The perovskite type composite oxide contributes mainly to oxidation... | 07/17/2001 |
| 6248540 | Combinatorial synthesis and analysis of organometallic compounds and homogeneous catalysts The present invention relates, inter alia, to methodologies for the synthesis, screening and characterization of organometailic compounds and catalysts (e.g., homogeneous catalysts). The methods of the present invention provide for the combinatorial synth... | 06/19/2001 |
| 6184174 | Catalysts for dehydrogenating ethylbenzene to styrene Catalysts for dehydrogenating ethylbenzene to styrene which comprise iron oxide, oxides of alkaline and alkaline-earth metals, oxides of the lanthanide series, oxides of metals of the sixth group, prepared from a paste of iron oxide impregnated with an aq... | 02/06/2001 |
| 6030917 | Combinatorial synthesis and analysis of organometallic compounds and catalysts The present invention relates, inter alia, to methodologies for the synthesis, screening and characterization of organometallic compounds and catalysts (e.g., homogeneous catalysts). The methods of the present invention provide for the combinatorial synth... | 02/29/2000 |
| 5565401 | Catalyst comprising an assembly of at least one wire and its use in combustion or in post-combustion The invention relates to a catalyst comprising an assembly of at least one wire that comprises, in % weight, between 60 and 90% iron, and between 10 and 25% chromium, at least one metal selected from the group formed by platinum, rhodium, palladium, ruthe... | 10/15/1996 |
| 5512251 | Combined electrically heatable converter body There is provided an improved converter body core element having a corrugated thin metal strip having, parallel to and close to a longitudinal marginal edge thereof, a recess dimensioned and configured to receive a heater band. In specific embodiments, th... | 04/30/1996 |
| 5468536 | Sorbent articles A microfibrous sorbent article is provided. The microfibrous sorbent article comprises an elongate boom having a substantially oval cross-section. The boom is formed of multiple adjacent microfibers layers, the layers being bonded to each other by entangl... | 11/21/1995 |
| 5330958 | Catalyst granules, in particular for the oxidative dehydrogenation of methanol in order to yield formaldehyde A configuration of cylindrical catalyst granules displays a trilobed or triangular cross-section provided with three through-bores equidistant from each other, each of which through-bores has its axis parallel to the axis of the cylindrical granule.... | 07/19/1994 |
| 4994430 | Method of preparing a plate-like support bearing catalytically active compounds An embossed, solid-surface or grid-like metal base structure is degreased and etched and then provided with a vitreous enamel coating, using an enamel which forms a low-porosity bottom layer and a rough top layer of high resistance to acid. The base struc... | 02/19/1991 |
| 4983557 | Process for preparing a high-density and middle-porosity catalyst, supported on a siliceous matrix, based on vanadium A process for preparing a high-density and, low-silica catalyst, supported on a siliceous matrix, based on vanadium, oxygen and alkali metals, wherein the V2 O5 content ranges from 6 to 9% by weight, the K2 O content range... | 01/08/1991 |
| 4870045 | High-temperature resistant molded catalysts and process for their production A molded catalyst has a catalyst material homogeneously distributed in an inorganic molding or a catalytic material anchored on the surface of molding is produced from a flowable molding composition made up of (a) an oxide mixture with contents of amorphous Si... | 09/26/1989 |
| 4849399 | Catalyst for the reduction of the ignition temperature of diesel soot This invention relates to a catalytic composite and a process for reducing the ignition temperature of diesel soot. The process comprises contacting an exhaust gas from a diesel engine, which exhaust contains diesel soot, with a catalytic composite. The c... | 07/18/1989 |
| 4840932 | Catalyst for producing 1,4-naphthoquinone A process for producing 1,4-naphthoquinone by oxidizing naphthalene with molecular oxygen in a vapor phase in the presence of a catalyst. The catalyst is made of a mixture of a carrier and fusible catalytic components including vanadium oxide and alkali m... | 06/20/1989 |
| 4820678 | Method for preparing rare earth metal catalysts with honeycomb-like alloy supports and catalysts obtained thereby This invention relates to a method for preparing rare earth metal catalysts with a honeycomb-like alloy support and catalysts obtained thereby, which method comprises: preparing a corrugated, perforated metal alloy support tape, coating the support tape w... | 04/11/1989 |
| 4793136 | Reinforced metallic honeycomb structure There is provided a fluid conduit comprising a housing, at least a pair of accordion folded corrugated thin metal elements disposed in the housing, and at least one longitudinally extending metal strut for reinforcing the core members against twisting and... | 12/27/1988 |
| 4784984 | Stainless steel ribbon for use as a catalyst carrier for automobile exhaust gas and catalyst carrier containing the ribbon coiled into a honeycomb An Al-containing stainless steel is rapidly solidified from a molten state to produce a ribbon. In catalyst carrier for the exhaust gas of automobile, the Al is utilized for the formation of -Al2 O3 whiskers, which carry and r... | 11/15/1988 |
| 4772579 | Catalyst precursors Catalyst precursor units, e.g. for ammonia synthesis catalysts, comprise an iron oxide composition in the form of sintered shaped units of substantially uniform cross section having a plurality, e.g. 13 to 50 or more, through passages of substantially uni... | 09/20/1988 |
| 4673664 | Shape for extruded catalyst support particles and catalysts Improvement of pressure drop in fixed bed reactors is obtained using catalysts or catalyst support particles which are helical lobed, polylobal extrudates having the shape of three or four strands wound helically about the axis of extrusion along the leng... | 06/16/1987 |
| 4631268 | Preparation of monolithic catalyst support structures having an integrated high surface area phase A method of forming a monolithic ceramic catalyst support having a high surface area phase of porous oxide embedded within the monolith structure is provided. The porous oxide phase is incorporated into a sinterable ceramic structure as a discrete discont... | 12/23/1986 |
| 4495307 | Shaped catalyst particle for use in hydroprocessing of petroleum oils Petroleum-derived feedstocks are treated at elevated temperatures and pressures in the presence of hydrogen and in contact with a bed of porous catalytic particles. In accordance with the invention, each of the catalytic particles is specially shaped as a... | 01/22/1985 |
| 4489173 | Large pore shaped hydroprocessing catalysts Shaped catalysts useful for hydroprocessing hydrocarbon feedstocks. The catalysts are shaped as oval extrudates and having at least one ridge. The particles can be circumscribed by rectangles having two dimensions, a first dimension between 0.085 inch and... | 12/18/1984 |
| 4435481 | Pyrophoric foil and article, and pyrophoric technique Pyrophorically activated surfaces of metal foil or screen, prepared by diffusing into surface a selectably removable second metal that is then selectively removed as by leaching, can be covered with reactive or inert materials. Reactive materials such as ... | 03/06/1984 |
| 4394303 | Large pore shaped hydroprocessing catalysts Catalyst shapes for inorganic oxide, hydroprocessing catalysts are disclosed. When the catalyst is used for diffusion limited reactions, and particularly when it is used for demetalation, shaped catalysts give longer catalyst lifetimes. Preferred shapes i... | 07/19/1983 |
| 4391740 | Large pore shaped hydroprocessing catalysts Catalyst shapes for inorganic oxide, hydroprocessing catalysts are disclosed. When the catalyst is used for diffusion limited reactions, and particularly when it is used for demetalation, shaped catalysts give longer catalyst lifetimes. Preferred shapes i... | 07/05/1983 |
| 4375426 | Catalytic fibre packs for ammonia oxidation This invention is concerned with the application of fibrous products from platinum group metal or platinum group metal alloys to the oxidation of ammonia in the manufacture, for example, of nitric acid and to the production of hydrogen cyanide in the Andr... | 03/01/1983 |
| 4370261 | Carrier catalyst for the preparation of vinyl acetate from ethylene, acetic acid and oxygen in the gaseous phase The carriers contain common active components, namely noble metals of the 8th sub-group or compounds thereof, and as activators alkali metal compounds, alkaline earth metal compounds or cadmium compounds. The carriers, too, consist of common materials, su... | 01/25/1983 |
| 4282116 | Supported catalyst containing vanadium and titanium and/or zirconium for the preparation of phthalic anhydride A supported catalyst, containing vanadium and titanium and/or zirconium, obtained by applying a mixture of finely divided titanium dioxide and/or zirconium dioxide, and a solution or suspension of a vanadium compound, to an inert, non-porous, ring-shaped ... | 08/04/1981 |
| 4241035 | Synthetic imogolite An inorganic material akin to imogolite is synthesized. Imogolite is a natural product having tubular structure and occurs in some soils. The synthetic product has tubes of 13-17% greater diameter, and is made thus: Prepare an aqueous hydroxyaluminium silicate... | 12/23/1980 |
| 4175153 | Inorganic anisotropic hollow fibers Essentially inorganic monolithic hollow fibers having a radially anisotropic internal void volume wall structure. Process for the production of such fibers. Apparatus and processes using such fibers.... | 11/20/1979 |
| 4142994 | Shaped catalyst support A mechanically strong, thermally stable porous siliceous particle having a high pore volume and surface area with a major portion of the pore volume in pores of radii more than 20 Angstroms and the process of producing the particles by shaping a clay, aci... | 03/06/1979 |
