| Patent application number | Description | Published |
|---|
| 20100137650 | SHELL CATALYST, PROCESS FOR ITS PREPARATION AND USE - The present invention relates to a shell catalyst, a process for its preparation and also the use of the shell catalyst according to the invention. | 06-03-2010 |
| 20100185010 | ZIRCONIUM OXIDE-DOPED CATALYST SUPPORT, PROCESS FOR ITS PREPARATION AND CATALYST CONTAINING A ZIRCONIUM OXIDE-DOPED CATALYST SUPPORT - The present invention relates to a porous catalyst support, consisting of a material comprising a natural sheet silicate, wherein ZrO | 07-22-2010 |
| 20100190638 | Method For Producing A Shell Catalyst and Corresponding Shell Catalyst - A method for producing a shell catalyst comprising a porous catalyst support shaped body with an outer shell containing at least one transition metal in metal form. To provide a shell catalyst with a relatively small shell thickness, a device is set up to circulate the catalyst support shaped bodies by means of process gases with a reductive effect. The device is charged with catalyst support shaped bodies that are circulated by means of a process gas with a reductive effect, an outer shell of the catalyst support shaped bodies is impregnated with a transition-metal precursor compound by spraying the circulating catalyst support shaped bodies with a solution containing the transition-metal precursor compound, the metal component of the transition-metal precursor compound is converted into the metal form by reduction by means of the process gas, and the catalyst support shaped bodies sprayed with the solution are dried. | 07-29-2010 |
| 20100197488 | METHOD FOR PRODUCING A SHELL CATALYST AND CORRESPONDING SHELL CATALYST - The present invention relates to a method for producing a shell catalyst which comprises a porous shaped catalyst support body with an outer shell in which at least one catalytically active species is present. In order to provide a shell catalyst production method by means of which shell catalysts can be produced, said shell catalysts having, over a comparatively large region of their shell thickness, a substantially uniform concentration of catalytically active species and having a substantially uniform shell thickness, what is proposed is a method using an device which is designed to generate, by means of a process gas, a fluid bed of shaped catalyst support bodies in which the shaped catalyst support bodies circulate elliptically or toroidally, preferably toroidally, comprising the steps of charging the device with shaped catalyst support bodies and generating a shaped catalyst support body fluid bed by means of a process gas, the shaped catalyst support bodies circulating elliptically or toroidally in the fluid bed, preferably toroidally; impregnating an outer shell of the shaped catalyst support body with a catalytically active species or precursor thereof by spraying the shaped catalyst support bodies circulating elliptically or toroidally in the fluid bed with a solution comprising a catalytically active species or a precursor thereof; drying the shaped catalyst support bodies sprayed with the solution. | 08-05-2010 |
| 20100197956 | Vam Shell Catalyst, Method For Its Production And Use Thereof - A shell catalyst for the production of vinyl acetate monomer (VAM), comprising a porous catalyst support based on a natural sheet silicate, in particular based on an acid-treated calcined bentonite, said catalyst support being loaded with Pd and Au and being designed as a shaped body. In order to provide a shell catalyst for the production of VAM, which shell catalyst is characterized by a relatively high VAM selectivity and also a high activity, it is proposed that the catalyst support has a surface area of less than 130 m | 08-05-2010 |
| 20100261603 | METHOD FOR THE PRODUCTION OF A SHELL CATALYST LOADED WITH PD AND/OR AU - The present invention relates to a process for the production of a shell catalyst which comprises a catalyst support shaped body with an outer shell in which metallic Pd and/or Au is contained. In order to provide a process by means of which shell catalysts can be obtained, in the outer shell of which relatively high metallic Pd and/or Au contents are contained, a process is proposed comprising the steps of
| 10-14-2010 |
| 20100273644 | DOPED Pd/Au SHELL CATALYST, METHOD FOR PRODUCING THE SAME AND USE THEREOF - A shell catalyst for producing vinyl acetate monomer (VAM), comprising an oxidic porous catalyst support, formed as a shaped body, with an outer shell in which metallic Pd and Au are contained. To provide a shell catalyst for producing VAM which has a relatively high activity and can be obtained at relatively low cost, the catalyst support is doped with at least one oxide of an element selected from the group consisting of Li, P, Ca, V, Cr, Mn, Fe, Sr, Nb, Ta, W, La and the rare-earth metals. | 10-28-2010 |
| 20110092734 | METHOD FOR THE PRODUCTION OF NANOCRYSTALLINE BISMUTH-MOLYBDENUM MIXED OXIDE - A method for the production of a nanocrystalline bismuth-molybdenum mixed oxide, the use of the bismuth-molybdenum mixed oxide as catalyst for chemical conversions, in particular for a conversion of propylene to acrolein and/or acrylic acid or of isobutylene to methacrolein and/or methacrylic acid, as well as a catalyst that contains the bismuth-molybdenum mixed oxide. | 04-21-2011 |
| 20110105790 | METHOD FOR THE PRODUCTION OF A NANOCRYSTALLINE MOLYBDENUM MIXED OXIDE - A method for the production of a nanocrystalline molybdenum mixed oxide, the use of the molybdenum mixed oxide as catalyst for chemical conversions, in particular for a conversion of acrolein to acrylic acid as well as a catalyst that contains the molybdenum mixed oxide. | 05-05-2011 |
| 20110160485 | METHOD FOR THE PRODUCTION OF MIXED OXIDES CONTAINING COPPER AND CHROMIUM - The present invention relates to a method for producing a nanocrystalline mixed oxide material containing copper and chromium as well as the mixed oxide material containing copper and chromium produced by the method according to the invention and its use as catalyst, in particular for dehydrogenating alcohols, for hydrogenation reactions, for reducing nitrocompounds, for hydrogenating carboxylic acids and for hydrogenating free fatty acids to fatty alcohols. | 06-30-2011 |
| 20110166010 | PD/AU SHELL CATALYST CONTAINING Hf02, PROCESSES FOR THE PREPARATION AND USE THEREOF - A shell catalyst for the preparation of vinyl acetate monomer, comprising an oxidic porous catalyst support with an outer shell, containing metallic Pd and Au, wherein the framework structure of the porous catalyst support contains hafnium oxide units. This shell catalyst is suitable for the preparation of VAM and is characterized by a relatively high activity and VAM selectivity and maintains this activity and selectivity over relatively long service lives. Also, processes for the preparation and use of the shell catalyst. | 07-07-2011 |
| 20110166395 | METHOD FOR THE PRODUCTION OF NANOCRYSTALLINE NICKEL OXIDES - The present invention relates to a method for the production of nanocrystalline nickel oxides as well as the nickel oxides produced by the method according to the invention and the use thereof as catalyst following reduction to nickel metal, in particular for hydrogenation reactions. | 07-07-2011 |
