Abstract: The invention relates to a method for producing an antimicrobially effective composite material (10), in which at least one molybdenum and/or tungsten containing inorganic compound is bound to at least one further material. Furthermore, the invention relates to an antimicrobially effective composite material (10), which includes at least one molybdenum and/or tungsten containing compound, which is bound to at least one further material.

Abstract: The invention relates to a method for producing a doped or undoped mixed oxide for a composite material, wherein the mixed oxide has the chemical formula of MoxW1-xMyOz, in which there is 0<x<1, 0?y?2 and 2.0?z?3.0 and M denotes a metal ion different from Mo and W and/or NH4+. Within the scope of the method, at least the steps of dissolving and/or suspending at least one molybdenum compound and at least one tungsten compound in at least one liquid medium, mixing the at least one molybdenum compound and the at least one tungsten compound in a predetermined mass ratio and drying the mixture of the at least one molybdenum compound and the at least one tungsten compound are performed. Furthermore, the invention relates to a composite material for producing antimicrobially effective surfaces containing at least one mixed oxide of the chemical formula of MoxW1-xMyOz, in which there is 0<x<1, 0?y?2 and 2.0?z?3.0 and M denotes a metal ion different from Mo and W and/or NH4+.

Abstract: A method reducing microbial growth uses an inorganic substance consisting of MoO2 and/or MoO3 which causes the formation of hydrogen cations when in contact with an aqueous medium to achieve an antimicrobial effect. The substance is present as a layer or a component of a layer, and is present in combination with one or more materials as a composite material. The composite material has a polymer matrix, and the substance is incorporated at 3 to 50% by weight into the composite material.

Abstract: The invention relates to a composite material with at least one supporting material and at least one antimicrobial agent from the group of metals and metal compounds. The composite material comprises at least one hydrophilizing agent which increases the wettability of the surface of the composite material with water in comparison to the wettability of the surface of the composite material without the addition of the hydrophilizing agent. The invention further relates to a method for producing a composite material.

Abstract: The invention relates to a cooling tower in which contamination with and proliferation of microorganisms can be prevented by incorporating composite materials and/or material combinations and an antimicrobial substance containing tungsten and/or molybdenum into the cooling tower.

Abstract: The invention describes the use of an inorganic substance which forms hydrogen cations when in contact with an aqueous medium, which trigger an antimicrobial effect, the substance containing molybdenum and/or tungsten.