Patent ID: 7803972

Claim:
A coated catalyst, especially for oxidation of methanol to formaldehyde, which, comprises an inert, preferably essentially nonporous, support body, with 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 1:1and 5:1, b) at least one organic binder, c) and at least one further component selected from the group consisting of SiO 2 sol or precursors thereof, Al 2 O 3 sol or precursors thereof, ZrO 2 sol or precursors thereof, TiO 2 sol or precursors thereof, waterglass, CeO 2 sol, MgO, cement, monomeric, oligomeric or polymeric silanes, alkoxysilanes, aryloxysilanes, acryloyloxysilanes, aminosilanes, siloxanes and silanols.