Systems for preparing fine particles and other substances

Details Systems for preparing fine particles and other substances Systems for preparing fine particles and other substances

B - Operations, Transporting

01

J

B01J 2/04 (2006.01)

Patent

CA 2550518

The invention relates to controlled preparation of fine particles such as nano- crystalline films and powders with at least one solvent being in a supercritical state. It provides methods, measures, apparatus and products produced by the methods. In other aspects the invention relates to further treatment of formed particles such as encapsulation of formed primary particles, and methods and measures for collection of formed substances in a batch wise, semi-continuous or continuous manner.

L'invention concerne la préparation contrôlée de particules fines, notamment des films et des poudres nanocristallins, à l'aide d'au moins un solvant dans un état supercritique. L'invention concerne des procédés, des mesures, des appareils et des produits obtenus à l'aide desdits procédés. Dans d'autres aspects, l'invention concerne un traitement supplémentaire de particules formées, notamment l'encapsulation de particules formées primaires ainsi que des procédés et des mesures qui permettent de recueillir des substances en semi-continu ou en continu et par lots.

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