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Estenfelder
Marvin Estenfelder, Arona IT
Marvin Estenfelder, Novara IT
| Patent application number | Description | Published |
|---|---|---|
| 20100111795 | MIXED OXIDES CATALYSTS - Mixed oxides catalysts usable in particular in the full oxidation to CO | 05-06-2010 |
| 20100158784 | AMMONIA OXIDATION CATALYSTS - Ammonia oxidation catalyst units comprising a pair of honeycomb-type blocks having interplaced between them a layer of a gas permeable material performing the function of radially mixing the gas flow, said blocks comprising an ammonia oxidation catalysts, and having height of less than 15 cm and the interplaced layer height of 3 to 0.5 cm. | 06-24-2010 |
Marvin Estenfelder, Karlsruhe DE
| Patent application number | Description | Published |
|---|---|---|
| 20090306409 | MULTI-LAYER CATALYST FOR PRODUCING PHTHALIC ANHYDRIDE - The present invention relates to a catalyst for preparing phthalic anhydride by gas phase oxidation of o-xylene and/or naphthalene, comprising at least three catalyst zones which have different compositions and, from the gas inlet side toward the gas outlet side, are referred to as first, second and third catalyst zone, the catalyst zones having in each case an active composition comprising TiO | 12-10-2009 |
| 20090306410 | SHAPED CATALYST BODY FOR PARTIAL OXIDATION REACTIONS - The invention relates to a shaped catalyst body for preparing maleic anhydride, which comprises mixed oxides of vanadium and of phosphorus as catalyst components. To develop a generic shaped catalyst body further so that it has improved properties, it is proposed that the basic geometric body enveloping the shaped catalyst body ( | 12-10-2009 |
| 20090312562 | Catalyst Containing Titanium Dioxide, Particularly for the Production of Phthalic Anhydride - The present invention relates to the use of titanium dioxide having a content of sulphur, calculated as elemental sulphur, of less than about 1000 ppm and a BET surface area of at least 5 m | 12-17-2009 |
| 20100016640 | SHELL CATALYST, IN PARTICULAR FOR OXIDATION OF METHANOL TO FORMALDEHYDE, AND ALSO METHOD FOR PRODUCTION THEREOF - The invention relates to a coated catalyst, especially for oxidation of methanol to formaldehyde, which, on an inert, preferably essentially nonporous, support body, has at least one coating which comprises, before the removal of the organic fractions of components b) and c): (a) oxides, or precursor compounds convertible to the corresponding oxides, of molybdenum and iron, where the molar ratio of Mo:Fe is between 1:1 and 5:1, and optionally further metallic components or metal oxide components or precursor compounds convertible to the corresponding oxides, (b) at least one organic binder, preferably an aqueous dispersion of copolymers, especially selected from vinyl acetate/vinyl laurate, vinyl acetate/ethylene, vinyl acetate/acrylate, vinyl acetate/maleate, styrene/acrylate or mixtures thereof, and (c) at least one further component selected from the group consisting of SiO | 01-21-2010 |
Marvin Estenfelder, Ebersberg DE
| Patent application number | Description | Published |
|---|---|---|
| 20110269998 | PROCESS FOR OXIDATION ON FIXED CATALYTIC BED OF METHANOL TO FORMALDEHYDE - A process for the fixed bed oxidation of methanol to formaldehyde wherein the bed comprises at least two layers having different catalytic activity, wherein the layer of lower activity is comprised in the part of the bed from which the reactant gas mixture enters and its activity is calibrated so that the maximum hot spot temperature in the layer is comprised between 350° C. and 430° C. and is higher than the maximum hot spot temperature of the layer of greater activity formed by pure catalyst, and wherein during the period in which the situation of the maximum hot spot temperature of the layer of lower activity remains at the values cited above, the conversion of methanol is higher than 96% by mols. | 11-03-2011 |
Marvin Meissner Estenfelder, Karlsruhe DE
| Patent application number | Description | Published |
|---|---|---|
| 20080207924 | Catalyst and Method For Producing Phthalic Anhydride - The present invention relates to a catalyst, in particular for the preparation of phthalic anhydride by gas phase oxidation of o-xylene and/or naphthalene, having an inert support and at least one layer which has been applied thereto and has a catalytically active composition comprising TiO | 08-28-2008 |