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| Number | Title | Issue Date |
| 8143186 | Promoted Fischer-Tropsch catalysts A catalyst composition comprising cobalt as an active catalytic element and a lesser amount of nickel as a promoter supported on a metal oxide support. The support may comprise alumina, silica, silica-alumina, zeolite, zirconia, magnesia or titania. The amount of ni... | 03/27/2012 |
| 7425647 | Process for preparing a group V111-metal containing catalyst, use thereof for preparing an alkenyl carboxylate A process for preparing a catalyst by (a) selecting a carrier which is a silica based carrier which has been subjected to a series of washings with one or more aqueous liquids consisting of aqueous liquids which have a pH of least ... | 09/16/2008 |
| 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 |
| 7365040 | Catalysts A process for preparing a cobalt-based Fischer-Tropsch synthesis catalyst includes introducing a soluble modifying component precursor of the formula Mc(OR)x, where Mc is a modifying component selected from the group comprising Si, Ti, Cu, Zn, Zr, Mn, Ba,... | 04/29/2008 |
| 7348293 | Homogeneous modified-alumina Fischer-Tropsch catalyst supports A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broad... | 03/25/2008 |
| 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 |
| 7288686 | Hydrogenation catalyst and hydrogenation process A supported hydrogenation catalyst comprising (1)Pd or a Group 8 metal comprising Pd and one other Group 8 metal, preferably a Group 8 metal selected from Pt, Ir, Ru, Co or Ni, and (2) at least two metals selected from Ag, Zn or Bi, preferably Ag and at least one of... | 10/30/2007 |
| 7270738 | Catalyst and process for hydrocracking hydrocarbon-containing feedstocks This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by elements of group V... | 09/18/2007 |
| 7256154 | Structured catalyst for POX reforming of gasoline for fuel-cell powered vehicles applications and a method of preparing the same The present invention relates to a structured catalyst for reforming of gasoline and a method of preparing the same, more particularly to a structured catalyst for reforming of gasoline for fuel-cell powered vehicles prepared by wash-coating the transition metal bas... | 08/14/2007 |
| 7253136 | Preparation of titania and cobalt aluminate catalyst supports and their use in Fischer-Tropsch synthesis Supports for Fischer-Tropsch catalysts are formed by forming a particulate material from titania, alumina and optionally silica. A cobalt compound is incorporated into the particulate material which then is calcined to convert at least part of the alumina to cobalt ... | 08/07/2007 |
| 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 |
| 7179366 | Catalyst based on a group VI metal and a group VIII metal at least partially present in the form of heteropolyanions in the oxide precursor A catalyst contains at least one group VIII element and at least molybdenum and/or tungsten, said elements being present at least in part in the catalyst in the dry state in the form of at least one heteropolyanion with formula MxAB6O24 | 02/20/2007 |
| 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 |
| 7087191 | Shell metal catalyst and a precursor thereof, a process for their preparation and the use of the catalyst A process for preparing a shell metal catalyst or a precursor of a shell metal catalyst which process includes the steps of: applying a slurry having a diluent; a catalytically active metal or a precursor compound thereof; and optionally a refractory oxide; designat... | 08/08/2006 |
| 7084180 | Fischer-tropsch synthesis using microchannel technology and novel catalyst and microchannel reactor The disclosed invention relates to a process for converting a reactant composition comprising H2 and CO to a product comprising at least one aliphatic hydrocarbon having at least about 5 carbon atoms, the process comprising: flowing the reactant compositi... | 08/01/2006 |
| 7067562 | Iron-based Fischer-Tropsch catalysts and methods of making and using The present invention presents an iron-based Fischer-Tropsch catalyst having a low water-gas shift activity and high selectivity and productivity toward a hydrocarbon wax wherein said catalyst comprises iron; silver; sodium, lithium, potassium, rubidium and/or cesiu... | 06/27/2006 |
| 7060651 | Silica-rich carrier, catalyzer for heterogeneous reactions and method for the production thereof A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties: in the 29Si MAS NMR spectrum the state of silicon is char... | 06/13/2006 |
| 7056857 | Fischer-tropsch catalysts using multiple precursors A method for making a catalyst is provided that features loading a catalytic metal to a support using at least two different precursor compounds of that said metal; and loading the promoter to the support in an amount effective so as to achieve similar promotion as ... | 06/06/2006 |
| 7045486 | Catalyst structure and method of fischer-tropsch synthesis The present invention includes a catalyst structure and method of making the catalyst structure for Fischer-Tropsch synthesis that both rely upon the catalyst structure having a first porous structure with a first pore surface area and a first pore size of at least ... | 05/16/2006 |
| 7011809 | Attrition resistant gamma-alumina catalyst support A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic materi... | 03/14/2006 |
| 7005404 | Substrates with small particle size metal oxide and noble metal catalyst coatings and thermal spraying methods for producing the same A substrate having a catalytic surface thereon characterized as a coating of metal oxide and noble metal particles in the nominal diameter size distribution range of | 02/28/2006 |
| 6998366 | Thin layer catalysts based on Raney alloys, and method for the production thereof Raney alloy catalysts applied to a support are described, said catalysts having an extremely thin layer of Raney alloy with a thickness of 0.01 to 100 μm. These catalysts are prepared by vapor deposition of the appropriate metals under reduced pressure. They are ge... | 02/14/2006 |
| 6992039 | Method for making monodispersed noble metal nanoparticles supported on oxide substrates A method for uniformly dispersing noble metal particles on a porous carrier by first mixing an alkoxide product of aluminum or silicon and a noble metal precursor together; then mixing a surfactant into the mixture; then mixing ammonia solution into the mixture to f... | 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 |
| 6958309 | Hydrothermal pretreatment for increasing average pore size in a catalyst support A pretreatment method for increasing the average pore size of a catalyst support is disclosed which increases the diffusivity and effectiveness factor η. The pretreatment method includes calcining the support in moisturized air at an elevated temperature sufficient... | 10/25/2005 |
| 6908880 | Catalytic composition for the upgrading of hydrocarbons having boiling points within the naphtha range A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained... | 06/21/2005 |
| 6897177 | Cobalt catalysts A process for preparing a cobalt based catalyst precursor includes, in a support impregnation stage, impregnating a coated catalyst support comprising porous catalyst support particles coated with carbon, with a cobalt salt, and partially drying the impregnated supp... | 05/24/2005 |
| 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 |
| 6835690 | Cobalt catalysts A cobalt based Fischer-Tropsch catalyst which including a porous catalyst support and metallic cobalt crystallites within the support. The catalyst has a proportion of its cobalt in reducible form, with this proportion being expressible as Ω mass %, based on the to... | 12/28/2004 |
| 6806226 | Cobalt catalysts A cobalt catalyst precursor includes a catalyst support impregnated with cobalt. All reducible cobalt is present in the support as supported cobalt oxide of formula-unit CoOaHb, where a≧1,7 and b≧0. A process for preparing a cobalt catalyst precursor, and a proc... | 10/19/2004 |
| 6802958 | Process for producing spherical oxide particles The invention pertains to a process for preparing spherical oxide particles comprising the steps of shaping a starting material comprising an oxide hydrate into particles of substantially constant length by leading the material to a set of two rolls rotating towards... | 10/12/2004 |
| 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 |
| 6780816 | Modified carrier, complex oxide catalyst and process for preparation of acrylic acid A modified carrier carrying on at least a part of an inert carrier surface an oxide which is represented by the formula (1): XaYbZcOd (wherein X is at least an element selected from alkaline earth metals; Y is at least an ... | 08/24/2004 |
| 6770590 | Exhaust gas emission purifying catalyst An exhaust gas emission purifying catalyst has a catalyst layer (20) supported on a carrier (10). The catalyst layer includes a composite oxide, in which noble metals and occluding agents are mixed in order to inhibit the movement of the occluding agen... | 08/03/2004 |
| 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 |
| 6733657 | Hydrocracking catalyst having a unique silica-alumina substrate A hydrocarbon conversion catalyst contains at least one silica-alumina having the following characteristics: A content by weight of silica SiO2 of between 10 and 60% by weight; an Na content less than 300 ppm by weight; a total pore volume of between 0.5 ... | 05/11/2004 |
| 6706660 | Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems A lean NOx catalyst and method of preparing the same is disclosed. The lean NOx catalyst includes a ceramic substrate, an oxide support material, preferably γ-alumina, deposited on the substrate and a metal promoter or dopant introduced into the oxide support mater... | 03/16/2004 |
| 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 |
| 6660683 | NOx reduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i... | 12/09/2003 |
| 6638890 | Modified carrier, complex oxide catalyst and process for preparation of acrylic acid A modified carrier carrying on at least a part of an inert carrier surface an oxide which is represented by the formula (1): Xa Yb Zc Od (wherein X is at least an element selected from alkaline earth metals; Y i... | 10/28/2003 |
