Solvay Sa

Olivier Patat

Jean-Philippe Pascal

Magali Riglet

Mathieu Belmond

Magali Amouroux

Method for the prophylactic treatment of the development of parasites in a food product with a powder comprising more than 40% by weight of an alkali metal bicarbonate, wherein the powder is in the form of particles having a medium particle size of at most 300 μm, and said treatment comprising mixing the powder with the food product, characterized in that at most 1000 ppm by weight of the powder is mixed with the food product.

Method for the prophylactic treatment of a food product

A method for the prophylactic treatment of the development of parasites in a food product storage silo, the food product storage generating the deposit of food product scraps and/or dust on the walls of the silo, said prophylactic treatment method comprising the application, to at least one part of the walls, of a layer comprising at least 10 g of mineral per mof wall, the mineral being chosen from: an alkali metal bicarbonate, an alkaline-earth metal carbonate, an alkali metal sulphate, an alkaline-earth metal sulphate, an alkaline-earth metal oxide, and mixtures thereof; the mineral being in the form of particles having an average diameter of at most 200 &#x3bc;m; and said method being characterized in that the application of the layer is carried out after emptying of the silo, on food product scraps and/or dust deposited on the walls of the silo.

Method for the prophylactic treatment of a food product silo

Fire-retardant powder comprising at least 30% by weight of Lewis acid, at least 5% by weight of alkaline bicarbonate, and at least 3% by weight of silica, and method of manufacturing such fire-retardant powder. A building material preferably comprising natural fibers and comprising at least 5% by weight and at most 30% of such powder.

Fungicidal and parasiticidal fire-retardant powder

Fire-retardant powder comprising at least 30% by weight of mono ammonium dihydrogen phosphate and/or di-ammonium monohydrogen phosphate, at least 5% by weight of alkaline bicarbonate, at least 3% by weight of silica, and at least 5% by weight of a compound selected from the group consisting of: sodium chloride, potassium chloride, potassium bromide, potassium sulfate, magnesium carbonate hydroxide pentahydrate, magnesium chloride hexahydrate, iron(II) sulfate heptahydrate, zinc (II) chloride, and combinations thereof. The invention also relates to building materials preferably comprising natural fibers and comprising at least 5% by weight, and at most 30% of a powder according to the invention.

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Paris, France

Olivier Patat