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| Number | Title | Issue Date |
| 7427579 | Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst The present invention relates to a hydrogenation catalyst represented by the following formula 1, a method for the preparation thereof, and a method for preparing gamma-butyrolactone using this catalyst. The method for preparing gamma-butyrolactone from maleic anhyd... | 09/23/2008 |
| 7422995 | Process for the preparation of a supported catalyst The present invention relates to a Catalyst comprising a, preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nic... | 09/09/2008 |
| 7390769 | High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis The Fischer-Tropsch catalyst of the present invention is a transition metal-based catalyst having a high surface area, a smooth, homogeneous surface morphology, an essentially uniform distribution of cobalt throughout the support, and a small metal crystallite size.... | 06/24/2008 |
| 7351328 | Desulfurization and novel process for same A composition comprising a metal oxide and a promoter, wherein at least a portion of the promoter is present as a reduced valence promoter, and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone t... | 04/01/2008 |
| RE40140 | Polymerization catalyst used for producing polyolefins that have excellent combined properties The invention relates to a process for preparing a catalyst for the polymerization of olefins, which comprises: a) preparation of a finely divided silica xerogel, b) loading of the xerogel with chromium from a solu... | 03/04/2008 |
| 7304013 | Metal oxide catalysts Bulk and supported catalysts are prepared from an aqueous slurry containing a catalytically active material and a binder. The slurry is either coated onto a support and dried to form a porous, high surface area phase containing the catalytically active material, or ... | 12/04/2007 |
| 7294604 | Hydrogenation and dehydrogenation processes and catalysts therefor A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, ... | 11/13/2007 |
| 7220699 | Catalyst incorporation in a microreactor A method and device for loading a catalyst into a chamber. The catalyst loading is well suited for production of hydrogen producing microreactors. The catalyst is coated onto a strip which is mountable within the chamber. ... | 05/22/2007 |
| 7172990 | Highly active spherical metal support catalysts The invention relates to highly active spherical metal support catalysts with a metal content of 10 to 70% by mass, and a process for their production with the use of a mixture of polysaccharides and at least one metal compound which is dropped into a metal salt sol... | 02/06/2007 |
| 7091152 | Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith A process of contacting at least one isoparaffin and at least one C5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one isoparaffin and the at least one C5 olefin is provided.... | 08/15/2006 |
| 6992038 | Zinc chloride-loaded support and method for producing the same The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous solution of zinc chloride. The problems include environmental destruction c... | 01/31/2006 |
| 6992041 | Deep desulfurization catalyst, method for preparing the same and method for desulfurization using the same A catalyst for deep desulfurization of a mineral oil corresponding to kerosene, having a nickel component of nickel and nickel oxide, zinc oxide, and aluminum oxide The contents of the nickel component, and the aluminum oxide and the zinc oxide are defined. The nitr... | 01/31/2006 |
| 6964936 | Method of making maximally dispersed heterogeneous catalysts A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an oxide layer. There are two methods that have been demonstrated by exp... | 11/15/2005 |
| 6890877 | Enhanced fluid/solids contacting in a fluidization reactor A system for enhancing fluid/solids contacting in a fluidization reactor by controlling the particle size distribution of the solid particulates in the reactor. ... | 05/10/2005 |
| 6875717 | Method and system for the in situ synthesis of a combinatorial library of supported catalyst materials A method and system for the in situ synthesis of a combinatorial library including impregnating a first component with a second component. The method and system advantageously may be employed in the synthesis of materials for screening for usefulness as a catalyst. | 04/05/2005 |
| 6821922 | Supported catalyst for the production of vinyl acetate monomer Moldings based on pyrogenically produced mixed oxide having the following physicochemical parameters: ... | 11/23/2004 |
| 6784135 | Thermal regulating catalyst composition A composition is provided that can be used, for example, in a fuel processor for a fuel cell system. The composition includes a first material such as a catalyst, and a second material such as a desiccant. The second material is capable of sorbing and desorbing a he... | 08/31/2004 |
| 6753292 | Silica-based photocatalyst fiber having visible-light activity and process for the production thereof A silica-based photocatalyst fiber having visible-light activity, which fiber comprises a composite oxide phase comprising an oxide phase (first phase) mainly made of a silica component and a titania phase (second phase), wherein the second phase contains a metal el... | 06/22/2004 |
| 6696388 | Gel catalysts and process for preparing thereof A gel composition substantially contained within the pores of a solid material for use as a catalyst or as a catalyst support in dehydrogenation and dehydrocyclization processes.... | 02/24/2004 |
| 6683024 | Desulfurization and novel sorbents for same A sorbent composition is provided which can be used in the desulfurization of a hydrocarbon-containing fluid such as cracked gasoline or diesel fuel. The sorbent composition contains a support component and a promoter component with the promoter component... | 01/27/2004 |
| 6673951 | Process for catalytically hydrogenating phytosterols The present invention provides a process for catalytically hydrogenating unsaturated phytosterol compounds. The catalyst used for such hydrogenation is an alumina-supported transition metal selected from the group consisting of nickel, palladium, platinum... | 01/06/2004 |
| 6645907 | Photooxidation catalyst and manufacturing method therefor A photocatalyst and a manufacturing method therefore, in which the adhesion to a support is increased and a baking step is simplified. The photocatalyst comprises the support and a metallic oxide layer provided on the support by applying and baking a coll... | 11/11/2003 |
| 6420307 | Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile The present invention relates to a new fluidized-bed catalyst used in a process of propylene ammoxidation to acrylonitrile. The catalyst comprises a silica as carrier and a composition represented by the following general formulas: Aa Bb | 07/16/2002 |
| 6350422 | Sorbent compositions A process for removing hydrogen sulfide from a fluid stream by contacting a hydrogen sulfide-containing stream with a sorbent composition wherein said sorbent composition is produced by mixing at least one zinc component which is zinc oxide or a compound ... | 02/26/2002 |
| 6303536 | Process of preparing catalyst for producing alkenyl acetates This invention relates to a preparation process of a catalyst which comprises a noble metal and a metal as catalysis promoter in combination with an alkali or alkaline earth metal compound, supported on the outer surface of a carrier. The preparation proc... | 10/16/2001 |
| 6242167 | Developer for use with carbonless copy paper and photo imaging systems An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo-imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an ac... | 06/05/2001 |
| 6211416 | Method for producing enol ethers Enol ethers of the formula I ##STR1## where R1 is an aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radical which may carry further substituents which do not react with acetylenes or allenes, and the radicals R, independently ... | 04/03/2001 |
| 6153556 | Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide A catalyst for the production of ethylene oxide is formed by causing a carrier having -alumina as a main component thereof to incorporate therein silica and a metal or a compound of at least one element selected from the elements of the groups Ib a... | 11/28/2000 |
| 6121187 | Amorphous, microporous mixed oxide catalysts with controlled surface polarity for selective heterogeneous catalysis, adsorption and material separation The present invention relates to amorphous microporous mixed oxides, characterized by having, in dried form, a narrow pore size distribution (half width | 09/19/2000 |
| 6093676 | Photocatalyst-binder compositions A photocatalyst composition containing a substantially non-oxidizable binder which allows large amounts of photocatalytic particles to be adhered to a surface. Upon application to a surface, the composition dries or cures to form an adherent, abrasion-res... | 07/25/2000 |
| 6051680 | Silylated double metal cyanide complex catalysts The amount of high molecular weight impurity present in a polyether polyol produced by alkoxylation of an active hydrogen-containing initiator using a double metal cyanide complex catalyst may be advantageously lowered by treating the catalyst prior to us... | 04/18/2000 |
| 5977010 | Shaped hydrogenation catalyst and processes for their preparation and use Shaped catalyst compositions are disclosed comprising (i) at least one metal selected from the group consisting of copper, manganese, zinc, nickel, cobalt and iron, (ii) calcium silicate and (iii) at least one clay material. Also disclosed are a process f... | 11/02/1999 |
| 5958830 | Sorbent compositions A process to make a sorbent composition said process comprising: (1) contacting (1.1) at least one zinc component, where said zinc component comprises zinc oxide, or a compound convertible to zinc oxide, (1.2) at least one silica component, where said silica compon... | 09/28/1999 |
| 5854169 | Photocatalyst-binder compositions A photocatalyst composition containing a substantially non-oxidizable binder which allows large amounts of photocatalytic particles to be adhered to a surface. Upon application to a surface, the composition dries or cures to form an adherent, abrasion-res... | 12/29/1998 |
| 5616532 | Photocatalyst-binder compositions A photocatalyst composition containing a substantially non-oxidizable binder which allows large amounts of photocatalytic particles to be adhered to a surface. Upon application to a surface, the composition dries or cures to form an adherent, abrasion-res... | 04/01/1997 |
| 5616531 | Nickel/silica catalyst for hydrotreating unsaturated organic compounds A nickel/silica catalyst having a Ni/SiO2 molar ratio of 10 to 2.5, preferably 6 to 3, contains zinc in an amount of at least 500 ppm (based on the nickel) and maximally in a molar ratio Zn/SiO2 of 1. Additionally, the catalyst may c... | 04/01/1997 |
| 5494879 | Catalyst for the reduction of sulfur dioxide to elemental sulfur The inventive catalysts allow for the reduction of sulfur dioxide to elemental sulfur in smokestack scrubber environments. The catalysts have a very high sulfur yield of over 90% and space velocity of 10,000 h-1. They also have the capacity to ... | 02/27/1996 |
| 5439859 | Process and catalyst for dehydrogenation of organic compounds Alkanes are dehydrogenated by passage through alternating dehydrogenation zones and selective oxidation zone(s), in which latter zone(s) hydrogen produced in the preceding endothermic dehydrogenation reaction is selectively oxidized to generate heat for t... | 08/08/1995 |
| 5434118 | Catalytically active gel and a process for its preparation A catalytically active gel product is described consisting of a silica matrix which is amorphous to x-rays with uniform porosity, monomodal pore distribution and high surface area, within which one or more metal oxides possessing catalytic activity are di... | 07/18/1995 |
| 5413844 | Process for the preparation of zinc/dentifrice-compatible silica particulates Zinc-compatible silica particulates, useful for the formulation of a wide variety of improved dentifrice compositions, have an effective compatibilizing amount of zinc values chemically bonded to surface area sites of the particles.... | 05/09/1995 |
